[INFO] cloning repository https://github.com/chenmeng1996/rdemo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chenmeng1996/rdemo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenmeng1996%2Frdemo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenmeng1996%2Frdemo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9a3acb5223765354fea8c2461b86252be0fd56ee [INFO] testing chenmeng1996/rdemo against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchenmeng1996%2Frdemo" "/workspace/builds/worker-37/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chenmeng1996/rdemo on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chenmeng1996/rdemo [INFO] finished tweaking git repo https://github.com/chenmeng1996/rdemo [INFO] tweaked toml for git repo https://github.com/chenmeng1996/rdemo written to /workspace/builds/worker-37/source/Cargo.toml [INFO] crate git repo https://github.com/chenmeng1996/rdemo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6c971c569cad92329b8b05f9657e0ece98cc184df104c414c994d2c6983e9797 [INFO] running `Command { std: "docker" "start" "-a" "6c971c569cad92329b8b05f9657e0ece98cc184df104c414c994d2c6983e9797", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c971c569cad92329b8b05f9657e0ece98cc184df104c414c994d2c6983e9797", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c971c569cad92329b8b05f9657e0ece98cc184df104c414c994d2c6983e9797", kill_on_drop: false }` [INFO] [stdout] 6c971c569cad92329b8b05f9657e0ece98cc184df104c414c994d2c6983e9797 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c822fc9f69c78c2839608381b353d97f5c811e6e8a497bbe93d5ea9bcb88feee [INFO] running `Command { std: "docker" "start" "-a" "c822fc9f69c78c2839608381b353d97f5c811e6e8a497bbe93d5ea9bcb88feee", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:71:28 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:71:38 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:73:40 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:73:50 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:75:16 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:75:37 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:79:38 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn notify5(item1: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn notify6(item1: impl Summary + Display) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_test.rs:83:56 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_test.rs:83:62 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_test.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_test.rs:85:31 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrKind` [INFO] [stdout] --> src/enumeration_test.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddr` [INFO] [stdout] --> src/enumeration_test.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Message` [INFO] [stdout] --> src/enumeration_test.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `call` [INFO] [stdout] --> src/enumeration_test.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn call(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/generics_test.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `x` [INFO] [stdout] --> src/generics_test.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn x(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `distance_from_origin` [INFO] [stdout] --> src/generics_test.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn distance_from_origin(&self) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point2` [INFO] [stdout] --> src/generics_test.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | struct Point2 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mixup` [INFO] [stdout] --> src/generics_test.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn mixup(self, other: Point2) -> Point2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify` [INFO] [stdout] --> src/trait_test.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn notify(item: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify1` [INFO] [stdout] --> src/trait_test.rs:65:8 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn notify1(item: impl Summary) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify2` [INFO] [stdout] --> src/trait_test.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify3` [INFO] [stdout] --> src/trait_test.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify4` [INFO] [stdout] --> src/trait_test.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify5` [INFO] [stdout] --> src/trait_test.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn notify5(item1: T) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify6` [INFO] [stdout] --> src/trait_test.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn notify6(item1: impl Summary + Display) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/trait_test.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function1` [INFO] [stdout] --> src/trait_test.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/trait_test.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/trait_test.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 105 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/trait_test.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn new(x: T, y: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/trait_test.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest` [INFO] [stdout] --> src/lifetime_test.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ImportantExcerpt` [INFO] [stdout] --> src/lifetime_test.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level` [INFO] [stdout] --> src/lifetime_test.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `announce_and_return_part` [INFO] [stdout] --> src/lifetime_test.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 38 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.13s [INFO] running `Command { std: "docker" "inspect" "c822fc9f69c78c2839608381b353d97f5c811e6e8a497bbe93d5ea9bcb88feee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c822fc9f69c78c2839608381b353d97f5c811e6e8a497bbe93d5ea9bcb88feee", kill_on_drop: false }` [INFO] [stdout] c822fc9f69c78c2839608381b353d97f5c811e6e8a497bbe93d5ea9bcb88feee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f615277a159d321765c1dd29215dea59c171c048656735b1ba05f4b1e066b328 [INFO] running `Command { std: "docker" "start" "-a" "f615277a159d321765c1dd29215dea59c171c048656735b1ba05f4b1e066b328", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:71:28 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:71:38 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:73:40 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:73:50 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:75:16 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:75:37 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:79:38 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn notify5(item1: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn notify6(item1: impl Summary + Display) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_test.rs:83:56 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_test.rs:83:62 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_test.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_test.rs:85:31 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrKind` [INFO] [stdout] --> src/enumeration_test.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddr` [INFO] [stdout] --> src/enumeration_test.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Message` [INFO] [stdout] --> src/enumeration_test.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `call` [INFO] [stdout] --> src/enumeration_test.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn call(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point` [INFO] [stdout] --> src/generics_test.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `x` [INFO] [stdout] --> src/generics_test.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | fn x(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `distance_from_origin` [INFO] [stdout] --> src/generics_test.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn distance_from_origin(&self) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Point2` [INFO] [stdout] --> src/generics_test.rs:16:8 [INFO] [stdout] | [INFO] [stdout] 16 | struct Point2 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `mixup` [INFO] [stdout] --> src/generics_test.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn mixup(self, other: Point2) -> Point2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify` [INFO] [stdout] --> src/trait_test.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn notify(item: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify1` [INFO] [stdout] --> src/trait_test.rs:65:8 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn notify1(item: impl Summary) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify2` [INFO] [stdout] --> src/trait_test.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify3` [INFO] [stdout] --> src/trait_test.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `notify4` [INFO] [stdout] --> src/trait_test.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify5` [INFO] [stdout] --> src/trait_test.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn notify5(item1: T) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify6` [INFO] [stdout] --> src/trait_test.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn notify6(item1: impl Summary + Display) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/trait_test.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function1` [INFO] [stdout] --> src/trait_test.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/trait_test.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/trait_test.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 105 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/trait_test.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn new(x: T, y: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/trait_test.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest` [INFO] [stdout] --> src/lifetime_test.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `ImportantExcerpt` [INFO] [stdout] --> src/lifetime_test.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level` [INFO] [stdout] --> src/lifetime_test.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `announce_and_return_part` [INFO] [stdout] --> src/lifetime_test.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 38 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/vector_test.rs:56:17 [INFO] [stdout] | [INFO] [stdout] 56 | _ => {} [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:71:28 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:71:38 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:73:40 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:73:50 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:75:16 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item2` [INFO] [stdout] --> src/trait_test.rs:75:37 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:79:38 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn notify5(item1: T) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item1` [INFO] [stdout] --> src/trait_test.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn notify6(item1: impl Summary + Display) {} [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_test.rs:83:56 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_test.rs:83:62 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_test.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_test.rs:85:31 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> src/owner_scope_test.rs:125:13 [INFO] [stdout] | [INFO] [stdout] 125 | let s1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/string_test.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | let mut s = String::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/string_test.rs:6:17 [INFO] [stdout] | [INFO] [stdout] 6 | let mut s = "hello world".to_string(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/string_test.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | let mut s = String::from("hello world"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s3` [INFO] [stdout] --> src/string_test.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let s3 = s1 + &s2; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user2` [INFO] [stdout] --> src/struct_test.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | let user2 = build_user(String::from("a"), String::from("b")); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user2` [INFO] [stdout] --> src/struct_test.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let user2 = User { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `black` [INFO] [stdout] --> src/struct_test.rs:53:13 [INFO] [stdout] | [INFO] [stdout] 53 | let black = Color(0, 0, 0); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `origin` [INFO] [stdout] --> src/struct_test.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let origin = Point(0, 0, 0); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `four` [INFO] [stdout] --> src/enumeration_test.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | let four = IpAddrKind::V4; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/enumeration_test.rs:33:13 [INFO] [stdout] | [INFO] [stdout] 33 | let six = IpAddrKind::V6; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/enumeration_test.rs:35:13 [INFO] [stdout] | [INFO] [stdout] 35 | let home = IpAddr::V4(127,0,0,0); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/enumeration_test.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let home = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/enumeration_test.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let a = Some(5); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/enumeration_test.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let b = Some("he"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/enumeration_test.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | let c: Option = None; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `six` [INFO] [stdout] --> src/enumeration_test.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | let six = plus_one(five); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `none` [INFO] [stdout] --> src/enumeration_test.rs:90:13 [INFO] [stdout] | [INFO] [stdout] 90 | let none = plus_one(None); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/vector_test.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let v2 = vec![1, 2, 3]; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/err_handle_test.rs:12:13 [INFO] [stdout] | [INFO] [stdout] 12 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/err_handle_test.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | let f = match f { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/err_handle_test.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | let f = File::open("hello.txt").unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/err_handle_test.rs:41:13 [INFO] [stdout] | [INFO] [stdout] 41 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lifetime_test.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let i = ImportantExcerpt { part: first_sentence }; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/string_test.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut s = String::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/string_test.rs:6:13 [INFO] [stdout] | [INFO] [stdout] 6 | let mut s = "hello world".to_string(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/string_test.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut s = String::from("hello world"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/owner_scope_test.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | let mut a = String::from("a"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/struct_test.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut user1 = User { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/data_test.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | let mut x = 1; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrKind` [INFO] [stdout] --> src/enumeration_test.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddr` [INFO] [stdout] --> src/enumeration_test.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Message` [INFO] [stdout] --> src/enumeration_test.rs:12:6 [INFO] [stdout] | [INFO] [stdout] 12 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `call` [INFO] [stdout] --> src/enumeration_test.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | fn call(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/generics_test.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | y: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `distance_from_origin` [INFO] [stdout] --> src/generics_test.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn distance_from_origin(&self) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify` [INFO] [stdout] --> src/trait_test.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn notify(item: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify1` [INFO] [stdout] --> src/trait_test.rs:65:8 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn notify1(item: impl Summary) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify2` [INFO] [stdout] --> src/trait_test.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify3` [INFO] [stdout] --> src/trait_test.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify4` [INFO] [stdout] --> src/trait_test.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify5` [INFO] [stdout] --> src/trait_test.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | pub fn notify5(item1: T) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify6` [INFO] [stdout] --> src/trait_test.rs:80:8 [INFO] [stdout] | [INFO] [stdout] 80 | pub fn notify6(item1: impl Summary + Display) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/trait_test.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn some_function(t: T, u: U) {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function1` [INFO] [stdout] --> src/trait_test.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn some_function1(t: T, u: U) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/trait_test.rs:95:4 [INFO] [stdout] | [INFO] [stdout] 95 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/trait_test.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 105 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/trait_test.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn new(x: T, y: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/trait_test.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `part` [INFO] [stdout] --> src/lifetime_test.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | part: &'a str, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `level` [INFO] [stdout] --> src/lifetime_test.rs:19:8 [INFO] [stdout] | [INFO] [stdout] 19 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `announce_and_return_part` [INFO] [stdout] --> src/lifetime_test.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_string` [INFO] [stdout] --> src/string_test.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | fn create_string() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `username` [INFO] [stdout] --> src/struct_test.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | username: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/struct_test.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/struct_test.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_enum` [INFO] [stdout] --> src/enumeration_test.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 31 | fn create_enum() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `enum_method` [INFO] [stdout] --> src/enumeration_test.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn enum_method() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `option_test` [INFO] [stdout] --> src/enumeration_test.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | fn option_test() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Coin` [INFO] [stdout] --> src/enumeration_test.rs:50:10 [INFO] [stdout] | [INFO] [stdout] 50 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alabama` [INFO] [stdout] --> src/enumeration_test.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/enumeration_test.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | #[derive(Debug)] // 这样可以立刻看到州的名称 [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/enumeration_test.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/enumeration_test.rs:57:14 [INFO] [stdout] | [INFO] [stdout] 57 | #[derive(Debug)] // 这样可以立刻看到州的名称 [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `value_in_cents` [INFO] [stdout] --> src/enumeration_test.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | fn value_in_cents(coin: Coin) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `one_match` [INFO] [stdout] --> src/enumeration_test.rs:105:8 [INFO] [stdout] | [INFO] [stdout] 105 | fn one_match() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `if_let` [INFO] [stdout] --> src/enumeration_test.rs:113:8 [INFO] [stdout] | [INFO] [stdout] 113 | fn if_let() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `create_vector` [INFO] [stdout] --> src/vector_test.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | fn create_vector() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_vector` [INFO] [stdout] --> src/vector_test.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | fn read_vector() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insert_hashmap` [INFO] [stdout] --> src/hashmap_test.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | fn insert_hashmap() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unwrap_test` [INFO] [stdout] --> src/err_handle_test.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn unwrap_test() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `expect_test` [INFO] [stdout] --> src/err_handle_test.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | fn expect_test() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_result` [INFO] [stdout] --> src/err_handle_test.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | fn return_result() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_result_2` [INFO] [stdout] --> src/err_handle_test.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | fn return_result_2() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_result_3` [INFO] [stdout] --> src/err_handle_test.rs:68:8 [INFO] [stdout] | [INFO] [stdout] 68 | fn return_result_3() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_i32` [INFO] [stdout] --> src/generics_test.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | fn largest_i32(list: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest` [INFO] [stdout] --> src/generics_test.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn largest(list: &[T]) -> T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 88 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.18s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rdemo-5a5cc8da60b6b41f) [INFO] [stderr] Executable tests/inte_test.rs (/opt/rustwide/target/debug/deps/inte_test-dc81f702749b81e8) [INFO] running `Command { std: "docker" "inspect" "f615277a159d321765c1dd29215dea59c171c048656735b1ba05f4b1e066b328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f615277a159d321765c1dd29215dea59c171c048656735b1ba05f4b1e066b328", kill_on_drop: false }` [INFO] [stdout] f615277a159d321765c1dd29215dea59c171c048656735b1ba05f4b1e066b328 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a8990f3d3ad3b6bf681a4bd1404a9f446cf3cbae504f56df14c2309d82c72394 [INFO] running `Command { std: "docker" "start" "-a" "a8990f3d3ad3b6bf681a4bd1404a9f446cf3cbae504f56df14c2309d82c72394", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `item1` [INFO] [stderr] --> src/trait_test.rs:71:28 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item2` [INFO] [stderr] --> src/trait_test.rs:71:38 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item1` [INFO] [stderr] --> src/trait_test.rs:73:40 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item2` [INFO] [stderr] --> src/trait_test.rs:73:50 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item1` [INFO] [stderr] --> src/trait_test.rs:75:16 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item2` [INFO] [stderr] --> src/trait_test.rs:75:37 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item1` [INFO] [stderr] --> src/trait_test.rs:79:38 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn notify5(item1: T) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `item1` [INFO] [stderr] --> src/trait_test.rs:80:16 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn notify6(item1: impl Summary + Display) {} [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_item1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/trait_test.rs:83:56 [INFO] [stderr] | [INFO] [stderr] 83 | fn some_function(t: T, u: U) {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/trait_test.rs:83:62 [INFO] [stderr] | [INFO] [stderr] 83 | fn some_function(t: T, u: U) {} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/trait_test.rs:85:25 [INFO] [stderr] | [INFO] [stderr] 85 | fn some_function1(t: T, u: U) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/trait_test.rs:85:31 [INFO] [stderr] | [INFO] [stderr] 85 | fn some_function1(t: T, u: U) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `IpAddrKind` [INFO] [stderr] --> src/enumeration_test.rs:1:6 [INFO] [stderr] | [INFO] [stderr] 1 | enum IpAddrKind { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `IpAddr` [INFO] [stderr] --> src/enumeration_test.rs:6:6 [INFO] [stderr] | [INFO] [stderr] 6 | enum IpAddr { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Message` [INFO] [stderr] --> src/enumeration_test.rs:12:6 [INFO] [stderr] | [INFO] [stderr] 12 | enum Message { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `call` [INFO] [stderr] --> src/enumeration_test.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | fn call(&self) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/generics_test.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | struct Point { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `x` [INFO] [stderr] --> src/generics_test.rs:6:8 [INFO] [stderr] | [INFO] [stderr] 6 | fn x(&self) -> &T { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `distance_from_origin` [INFO] [stderr] --> src/generics_test.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | fn distance_from_origin(&self) -> f32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point2` [INFO] [stderr] --> src/generics_test.rs:16:8 [INFO] [stderr] | [INFO] [stderr] 16 | struct Point2 { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `mixup` [INFO] [stderr] --> src/generics_test.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | fn mixup(self, other: Point2) -> Point2 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify` [INFO] [stderr] --> src/trait_test.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | pub fn notify(item: T) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify1` [INFO] [stderr] --> src/trait_test.rs:65:8 [INFO] [stderr] | [INFO] [stderr] 65 | pub fn notify1(item: impl Summary) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify2` [INFO] [stderr] --> src/trait_test.rs:71:8 [INFO] [stderr] | [INFO] [stderr] 71 | pub fn notify2(item1: T, item2: T) {} [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify3` [INFO] [stderr] --> src/trait_test.rs:73:8 [INFO] [stderr] | [INFO] [stderr] 73 | pub fn notify3(item1: T, item2: E) {} [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify4` [INFO] [stderr] --> src/trait_test.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | pub fn notify4(item1: impl Summary, item2: impl Summary) {} [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify5` [INFO] [stderr] --> src/trait_test.rs:79:8 [INFO] [stderr] | [INFO] [stderr] 79 | pub fn notify5(item1: T) {} [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notify6` [INFO] [stderr] --> src/trait_test.rs:80:8 [INFO] [stderr] | [INFO] [stderr] 80 | pub fn notify6(item1: impl Summary + Display) {} [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `some_function` [INFO] [stderr] --> src/trait_test.rs:83:4 [INFO] [stderr] | [INFO] [stderr] 83 | fn some_function(t: T, u: U) {} [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `some_function1` [INFO] [stderr] --> src/trait_test.rs:85:4 [INFO] [stderr] | [INFO] [stderr] 85 | fn some_function1(t: T, u: U) [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_summarizable` [INFO] [stderr] --> src/trait_test.rs:95:4 [INFO] [stderr] | [INFO] [stderr] 95 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/trait_test.rs:105:8 [INFO] [stderr] | [INFO] [stderr] 105 | struct Pair { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/trait_test.rs:111:8 [INFO] [stderr] | [INFO] [stderr] 111 | fn new(x: T, y: T) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cmp_display` [INFO] [stderr] --> src/trait_test.rs:121:8 [INFO] [stderr] | [INFO] [stderr] 121 | fn cmp_display(&self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest` [INFO] [stderr] --> src/lifetime_test.rs:3:4 [INFO] [stderr] | [INFO] [stderr] 3 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ImportantExcerpt` [INFO] [stderr] --> src/lifetime_test.rs:13:8 [INFO] [stderr] | [INFO] [stderr] 13 | struct ImportantExcerpt<'a> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `level` [INFO] [stderr] --> src/lifetime_test.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | fn level(&self) -> i32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `announce_and_return_part` [INFO] [stderr] --> src/lifetime_test.rs:24:8 [INFO] [stderr] | [INFO] [stderr] 24 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rdemo` (lib) generated 38 warnings [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/vector_test.rs:56:17 [INFO] [stderr] | [INFO] [stderr] 56 | _ => {} [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s1` [INFO] [stderr] --> src/owner_scope_test.rs:125:13 [INFO] [stderr] | [INFO] [stderr] 125 | let s1 = &mut s; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/string_test.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | let mut s = String::new(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/string_test.rs:6:17 [INFO] [stderr] | [INFO] [stderr] 6 | let mut s = "hello world".to_string(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/string_test.rs:7:17 [INFO] [stderr] | [INFO] [stderr] 7 | let mut s = String::from("hello world"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s3` [INFO] [stderr] --> src/string_test.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | let s3 = s1 + &s2; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_s3` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `user2` [INFO] [stderr] --> src/struct_test.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | let user2 = build_user(String::from("a"), String::from("b")); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `user2` [INFO] [stderr] --> src/struct_test.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let user2 = User { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_user2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `black` [INFO] [stderr] --> src/struct_test.rs:53:13 [INFO] [stderr] | [INFO] [stderr] 53 | let black = Color(0, 0, 0); [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_black` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `origin` [INFO] [stderr] --> src/struct_test.rs:54:13 [INFO] [stderr] | [INFO] [stderr] 54 | let origin = Point(0, 0, 0); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_origin` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `four` [INFO] [stderr] --> src/enumeration_test.rs:32:13 [INFO] [stderr] | [INFO] [stderr] 32 | let four = IpAddrKind::V4; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_four` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/enumeration_test.rs:33:13 [INFO] [stderr] | [INFO] [stderr] 33 | let six = IpAddrKind::V6; [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/enumeration_test.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | let home = IpAddr::V4(127,0,0,0); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/enumeration_test.rs:36:13 [INFO] [stderr] | [INFO] [stderr] 36 | let home = IpAddr::V6(String::from("::1")); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/enumeration_test.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let a = Some(5); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/enumeration_test.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | let b = Some("he"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/enumeration_test.rs:47:13 [INFO] [stderr] | [INFO] [stderr] 47 | let c: Option = None; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `six` [INFO] [stderr] --> src/enumeration_test.rs:89:13 [INFO] [stderr] | [INFO] [stderr] 89 | let six = plus_one(five); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_six` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `none` [INFO] [stderr] --> src/enumeration_test.rs:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | let none = plus_one(None); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_none` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/vector_test.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | let v2 = vec![1, 2, 3]; [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/err_handle_test.rs:12:13 [INFO] [stderr] | [INFO] [stderr] 12 | let f = match f { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/err_handle_test.rs:23:13 [INFO] [stderr] | [INFO] [stderr] 23 | let f = match f { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/err_handle_test.rs:37:13 [INFO] [stderr] | [INFO] [stderr] 37 | let f = File::open("hello.txt").unwrap(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> src/err_handle_test.rs:41:13 [INFO] [stderr] | [INFO] [stderr] 41 | let f = File::open("hello.txt").expect("Failed to open hello.txt"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lifetime_test.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | let i = ImportantExcerpt { part: first_sentence }; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/string_test.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | let mut s = String::new(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/string_test.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut s = "hello world".to_string(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/string_test.rs:7:13 [INFO] [stderr] | [INFO] [stderr] 7 | let mut s = String::from("hello world"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/owner_scope_test.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let mut a = String::from("a"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/struct_test.rs:34:13 [INFO] [stderr] | [INFO] [stderr] 34 | let mut user1 = User { [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/data_test.rs:13:13 [INFO] [stderr] | [INFO] [stderr] 13 | let mut x = 1; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/generics_test.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | y: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `part` [INFO] [stderr] --> src/lifetime_test.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | part: &'a str, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_string` [INFO] [stderr] --> src/string_test.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | fn create_string() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `username` [INFO] [stderr] --> src/struct_test.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | username: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `sign_in_count` [INFO] [stderr] --> src/struct_test.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | sign_in_count: u64, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `active` [INFO] [stderr] --> src/struct_test.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | active: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_enum` [INFO] [stderr] --> src/enumeration_test.rs:31:8 [INFO] [stderr] | [INFO] [stderr] 31 | fn create_enum() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `enum_method` [INFO] [stderr] --> src/enumeration_test.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | fn enum_method() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `option_test` [INFO] [stderr] --> src/enumeration_test.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | fn option_test() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Coin` [INFO] [stderr] --> src/enumeration_test.rs:50:10 [INFO] [stderr] | [INFO] [stderr] 50 | enum Coin { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Alabama` [INFO] [stderr] --> src/enumeration_test.rs:59:9 [INFO] [stderr] | [INFO] [stderr] 59 | Alabama, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/enumeration_test.rs:57:14 [INFO] [stderr] | [INFO] [stderr] 57 | #[derive(Debug)] // 这样可以立刻看到州的名称 [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Alaska` [INFO] [stderr] --> src/enumeration_test.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | Alaska, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/enumeration_test.rs:57:14 [INFO] [stderr] | [INFO] [stderr] 57 | #[derive(Debug)] // 这样可以立刻看到州的名称 [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `value_in_cents` [INFO] [stderr] --> src/enumeration_test.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | fn value_in_cents(coin: Coin) -> u8 { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `one_match` [INFO] [stderr] --> src/enumeration_test.rs:105:8 [INFO] [stderr] | [INFO] [stderr] 105 | fn one_match() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `if_let` [INFO] [stderr] --> src/enumeration_test.rs:113:8 [INFO] [stderr] | [INFO] [stderr] 113 | fn if_let() { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `create_vector` [INFO] [stderr] --> src/vector_test.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | fn create_vector() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_vector` [INFO] [stderr] --> src/vector_test.rs:11:8 [INFO] [stderr] | [INFO] [stderr] 11 | fn read_vector() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert_hashmap` [INFO] [stderr] --> src/hashmap_test.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | fn insert_hashmap() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `unwrap_test` [INFO] [stderr] --> src/err_handle_test.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 36 | fn unwrap_test() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `expect_test` [INFO] [stderr] --> src/err_handle_test.rs:40:8 [INFO] [stderr] | [INFO] [stderr] 40 | fn expect_test() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `return_result` [INFO] [stderr] --> src/err_handle_test.rs:44:8 [INFO] [stderr] | [INFO] [stderr] 44 | fn return_result() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `return_result_2` [INFO] [stderr] --> src/err_handle_test.rs:61:8 [INFO] [stderr] | [INFO] [stderr] 61 | fn return_result_2() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `return_result_3` [INFO] [stderr] --> src/err_handle_test.rs:68:8 [INFO] [stderr] | [INFO] [stderr] 68 | fn return_result_3() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `largest_i32` [INFO] [stderr] --> src/generics_test.rs:33:8 [INFO] [stderr] | [INFO] [stderr] 33 | fn largest_i32(list: &[i32]) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `largest` [INFO] [stderr] --> src/generics_test.rs:45:8 [INFO] [stderr] | [INFO] [stderr] 45 | fn largest(list: &[T]) -> T { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rdemo` (lib test) generated 88 warnings (32 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rdemo-5a5cc8da60b6b41f) [INFO] [stdout] [INFO] [stdout] running 56 tests [INFO] [stdout] test bytes_test::tests::hex_test ... ok [INFO] [stdout] test bytes_test::tests::print_char111 ... ok [INFO] [stdout] test data_test::tests::array ... ok [INFO] [stdout] test data_test::tests::for_test ... ok [INFO] [stdout] test data_test::tests::loop_test ... ok [INFO] [stdout] test data_test::tests::shadow_var ... ok [INFO] [stdout] test data_test::tests::tuple ... ok [INFO] [stdout] test data_test::tests::while_test ... ok [INFO] [stdout] test enumeration_test::tests::default_match ... ok [INFO] [stdout] test enumeration_test::tests::plus_one_test ... ok [INFO] [stdout] test data_test::tests::transform_var ... ok [INFO] [stdout] test generics_test::tests::test_mixup ... ok [INFO] [stdout] test data_test::tests::mut_var ... ok [INFO] [stdout] test generics_test::tests::test_point ... ok [INFO] [stdout] test hashmap_test::tests::create_hashmap ... ok [INFO] [stdout] test hashmap_test::tests::read_hashmap ... ok [INFO] [stdout] test hashmap_test::tests::insert_when_absent ... ok [INFO] [stdout] test hashmap_test::tests::traverse_hashmap ... ok [INFO] [stdout] test hashmap_test::tests::update_when_exist ... ok [INFO] [stdout] test lifetime_test::tests::lifetime_test ... ok [INFO] [stdout] test owner_scope_test::tests::borrow_and_return_test ... ok [INFO] [stdout] test owner_scope_test::tests::clone_test ... ok [INFO] [stdout] test owner_scope_test::tests::copy_test ... ok [INFO] [stdout] test owner_scope_test::tests::first_world_better_test ... ok [INFO] [stdout] test lifetime_test::tests::lifetime_test1 ... ok [INFO] [stdout] test owner_scope_test::tests::first_world_test ... ok [INFO] [stdout] test owner_scope_test::tests::move_test ... ok [INFO] [stdout] test owner_scope_test::tests::mut_reference_test ... ok [INFO] [stdout] test owner_scope_test::tests::my_test ... ok [INFO] [stdout] test owner_scope_test::tests::string_slice ... ok [INFO] [stdout] test owner_scope_test::tests::take_owner_ship_test ... ok [INFO] [stdout] test owner_scope_test::tests::unmut_reference_test ... ok [INFO] [stdout] test slice_test::tests::array_and_slice ... ok [INFO] [stdout] test slice_test::tests::first_word_test ... ok [INFO] [stdout] test slice_test::tests::first_word_test_v2 ... ok [INFO] [stdout] test slice_test::tests::string_slice ... ok [INFO] [stdout] test slice_test::tests::traverse_slice ... ok [INFO] [stdout] test string_test::tests::for1 ... ok [INFO] [stdout] test string_test::tests::for2 ... ok [INFO] [stdout] test err_handle_test::tests::multi_err_test ... FAILED [INFO] [stdout] test string_test::tests::for4 ... ok [INFO] [stdout] test string_test::tests::join_string1 ... ok [INFO] [stdout] test struct_test::tests::associated_function_test ... ok [INFO] [stdout] test struct_test::tests::create_struct ... ok [INFO] [stdout] test string_test::tests::join_string2 ... ok [INFO] [stdout] test string_test::tests::for3 ... ok [INFO] [stdout] test err_handle_test::tests::result_test ... FAILED [INFO] [stdout] test struct_test::tests::trait_test ... ok [INFO] [stdout] test struct_test::tests::create_tuple_struct ... ok [INFO] [stdout] test struct_test::tests::trait_test2 ... ok [INFO] [stdout] test struct_test::tests::trait_test3 ... ok [INFO] [stdout] test vector_test::tests::store_different_type_in_vector ... ok [INFO] [stdout] test struct_test::tests::train_test4 ... ok [INFO] [stdout] test trait_test::tests::summary_test ... ok [INFO] [stdout] test vector_test::tests::traverse_vector ... ok [INFO] [stdout] test struct_test::tests::create_struct_from_other_struct ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- err_handle_test::tests::multi_err_test stdout ---- [INFO] [stdout] thread 'err_handle_test::tests::multi_err_test' panicked at 'Problem creating the file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/err_handle_test.rs:28:31 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561a72a5428d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x561a72a5428d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x561a72a5428d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x561a72a5428d - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x561a72a76efc - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x561a72a50c51 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x561a72a55fd5 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x561a72a55fd5 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x561a72a55fd5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x561a72a55cc4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x561a72a56522 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x561a72a56407 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x561a72a54744 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x561a72a56139 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x561a729d53e3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x561a729f713e - rdemo::err_handle_test::tests::multi_err_test::h989aeeb5d8436483 [INFO] [stdout] at /opt/rustwide/workdir/src/err_handle_test.rs:28:31 [INFO] [stdout] 16: 0x561a729f6f3a - rdemo::err_handle_test::tests::multi_err_test::{{closure}}::he2006d3943546a0d [INFO] [stdout] at /opt/rustwide/workdir/src/err_handle_test.rs:21:5 [INFO] [stdout] 17: 0x561a729f8fee - core::ops::function::FnOnce::call_once::h5d50a1208008b4fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 18: 0x561a72a2fff3 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 19: 0x561a72a2fff3 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 20: 0x561a72a2eda9 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 21: 0x561a72a2eda9 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 22: 0x561a72a2eda9 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 23: 0x561a72a2eda9 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 24: 0x561a72a2eda9 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 25: 0x561a72a2eda9 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 26: 0x561a72a2eda9 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 27: 0x561a729faf5e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 28: 0x561a729faf5e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 29: 0x561a72a004c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 30: 0x561a72a004c8 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 31: 0x561a72a004c8 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 32: 0x561a72a004c8 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 33: 0x561a72a004c8 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 34: 0x561a72a004c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 35: 0x561a72a004c8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 36: 0x561a72a5ad33 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 37: 0x561a72a5ad33 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 38: 0x561a72a5ad33 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 39: 0x7f1c84512609 - start_thread [INFO] [stdout] 40: 0x7f1c842e2163 - clone [INFO] [stdout] 41: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- err_handle_test::tests::result_test stdout ---- [INFO] [stdout] thread 'err_handle_test::tests::result_test' panicked at 'Problem opening the file: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/err_handle_test.rs:15:17 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x561a72a5428d - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x561a72a5428d - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x561a72a5428d - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x561a72a5428d - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x561a72a76efc - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x561a72a50c51 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x561a72a55fd5 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x561a72a55fd5 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x561a72a55fd5 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x561a72a55cc4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x561a72a56522 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x561a72a56407 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x561a72a54744 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x561a72a56139 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x561a729d53e3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x561a729f6efe - rdemo::err_handle_test::tests::result_test::hefd4177c78ef93bf [INFO] [stdout] at /opt/rustwide/workdir/src/err_handle_test.rs:15:17 [INFO] [stdout] 16: 0x561a729f6e1a - rdemo::err_handle_test::tests::result_test::{{closure}}::hc0b64f7c5e8dcd13 [INFO] [stdout] at /opt/rustwide/workdir/src/err_handle_test.rs:10:5 [INFO] [stdout] 17: 0x561a729f90ce - core::ops::function::FnOnce::call_once::h61264a6f2bafbe5a [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 18: 0x561a72a2fff3 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 19: 0x561a72a2fff3 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 20: 0x561a72a2eda9 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 21: 0x561a72a2eda9 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 22: 0x561a72a2eda9 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 23: 0x561a72a2eda9 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 24: 0x561a72a2eda9 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 25: 0x561a72a2eda9 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 26: 0x561a72a2eda9 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 27: 0x561a729faf5e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 28: 0x561a729faf5e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 29: 0x561a72a004c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 30: 0x561a72a004c8 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 31: 0x561a72a004c8 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 32: 0x561a72a004c8 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 33: 0x561a72a004c8 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 34: 0x561a72a004c8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 35: 0x561a72a004c8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 36: 0x561a72a5ad33 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 37: 0x561a72a5ad33 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 38: 0x561a72a5ad33 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 39: 0x7f1c84512609 - start_thread [INFO] [stdout] 40: 0x7f1c842e2163 - clone [INFO] [stdout] 41: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] err_handle_test::tests::multi_err_test [INFO] [stdout] err_handle_test::tests::result_test [INFO] [stdout] [INFO] [stdout] test result: FAILED. 54 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "a8990f3d3ad3b6bf681a4bd1404a9f446cf3cbae504f56df14c2309d82c72394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8990f3d3ad3b6bf681a4bd1404a9f446cf3cbae504f56df14c2309d82c72394", kill_on_drop: false }` [INFO] [stdout] a8990f3d3ad3b6bf681a4bd1404a9f446cf3cbae504f56df14c2309d82c72394