[INFO] cloning repository https://github.com/nulijiushimeili/hello_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nulijiushimeili/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulijiushimeili%2Fhello_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulijiushimeili%2Fhello_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71777e57931a4eb2c6839e2b736861e3e592c89e [INFO] testing nulijiushimeili/hello_rust against 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulijiushimeili%2Fhello_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nulijiushimeili/hello_rust on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nulijiushimeili/hello_rust [INFO] finished tweaking git repo https://github.com/nulijiushimeili/hello_rust [INFO] tweaked toml for git repo https://github.com/nulijiushimeili/hello_rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/nulijiushimeili/hello_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.42 [INFO] [stderr] Downloaded winapi v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 165f8f21319a2a62318b2ffd0ba8b07e99e37eb7acdb5f4835d16526946eabc3 [INFO] running `Command { std: "docker" "start" "-a" "165f8f21319a2a62318b2ffd0ba8b07e99e37eb7acdb5f4835d16526946eabc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "165f8f21319a2a62318b2ffd0ba8b07e99e37eb7acdb5f4835d16526946eabc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "165f8f21319a2a62318b2ffd0ba8b07e99e37eb7acdb5f4835d16526946eabc3", kill_on_drop: false }` [INFO] [stdout] 165f8f21319a2a62318b2ffd0ba8b07e99e37eb7acdb5f4835d16526946eabc3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bd946c6103a583e2ea4df4ae1d7bbffdff1465b7c3cbd4870323e711aa3dbd7 [INFO] running `Command { std: "docker" "start" "-a" "1bd946c6103a583e2ea4df4ae1d7bbffdff1465b7c3cbd4870323e711aa3dbd7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.42 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let y:(i32,&str) = (2,"word"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `z` is assigned to, but never used [INFO] [stdout] --> src/main.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | let mut z = (1,"rust"); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_z` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `z` is never read [INFO] [stdout] --> src/main.rs:138:5 [INFO] [stdout] | [INFO] [stdout] 138 | z = x ; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | let (a,b,c ) = (4,5,6); [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/main.rs:141:14 [INFO] [stdout] | [INFO] [stdout] 141 | let (a,b,c ) = (4,5,6); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `complete` [INFO] [stdout] --> src/main.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | let complete = &a[..]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_complete` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `middle` [INFO] [stdout] --> src/main.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | let middle = &a[2..4]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_middle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:167:14 [INFO] [stdout] | [INFO] [stdout] 167 | let mut b = [4,5,6]; [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/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let c = [0;20]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let mut b = [4,5,6]; [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: function is never used: `shutdown_iterator` [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn shutdown_iterator(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_iterator` [INFO] [stdout] --> src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn test_iterator(){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rust_loop` [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn rust_loop(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_if` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn test_if(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_tuple` [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn test_tuple(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_slice` [INFO] [stdout] --> src/main.rs:153:4 [INFO] [stdout] | [INFO] [stdout] 153 | fn test_slice(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_arr1` [INFO] [stdout] --> src/main.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn test_arr1(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> src/main.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn plus_one(i: i32) -> i32{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `diverges` [INFO] [stdout] --> src/main.rs:179:4 [INFO] [stdout] | [INFO] [stdout] 179 | fn diverges()->!{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `func1` [INFO] [stdout] --> src/main.rs:185:4 [INFO] [stdout] | [INFO] [stdout] 185 | fn func1(x: i32, y :i32)->i32{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_loop` [INFO] [stdout] --> src/main.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn test_loop(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compare` [INFO] [stdout] --> src/main.rs:223:4 [INFO] [stdout] | [INFO] [stdout] 223 | fn compare(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rand_number` [INFO] [stdout] --> src/main.rs:242:4 [INFO] [stdout] | [INFO] [stdout] 242 | fn rand_number() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `show_number` [INFO] [stdout] --> src/main.rs:255:4 [INFO] [stdout] | [INFO] [stdout] 255 | fn show_number() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.84s [INFO] running `Command { std: "docker" "inspect" "1bd946c6103a583e2ea4df4ae1d7bbffdff1465b7c3cbd4870323e711aa3dbd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bd946c6103a583e2ea4df4ae1d7bbffdff1465b7c3cbd4870323e711aa3dbd7", kill_on_drop: false }` [INFO] [stdout] 1bd946c6103a583e2ea4df4ae1d7bbffdff1465b7c3cbd4870323e711aa3dbd7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4c0e881f9c3c80f20f5e4db3f01eb337d30d1db42152984c8dfe4a02b053ade [INFO] running `Command { std: "docker" "start" "-a" "e4c0e881f9c3c80f20f5e4db3f01eb337d30d1db42152984c8dfe4a02b053ade", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let y:(i32,&str) = (2,"word"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `z` is assigned to, but never used [INFO] [stdout] --> src/main.rs:136:13 [INFO] [stdout] | [INFO] [stdout] 136 | let mut z = (1,"rust"); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_z` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `z` is never read [INFO] [stdout] --> src/main.rs:138:5 [INFO] [stdout] | [INFO] [stdout] 138 | z = x ; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | let (a,b,c ) = (4,5,6); [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/main.rs:141:14 [INFO] [stdout] | [INFO] [stdout] 141 | let (a,b,c ) = (4,5,6); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `complete` [INFO] [stdout] --> src/main.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | let complete = &a[..]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_complete` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `middle` [INFO] [stdout] --> src/main.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | let middle = &a[2..4]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_middle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:167:14 [INFO] [stdout] | [INFO] [stdout] 167 | let mut b = [4,5,6]; [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/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let c = [0;20]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let mut b = [4,5,6]; [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: function is never used: `shutdown_iterator` [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn shutdown_iterator(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_iterator` [INFO] [stdout] --> src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn test_iterator(){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rust_loop` [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn rust_loop(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_if` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn test_if(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_tuple` [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn test_tuple(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_slice` [INFO] [stdout] --> src/main.rs:153:4 [INFO] [stdout] | [INFO] [stdout] 153 | fn test_slice(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_arr1` [INFO] [stdout] --> src/main.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn test_arr1(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> src/main.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn plus_one(i: i32) -> i32{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `diverges` [INFO] [stdout] --> src/main.rs:179:4 [INFO] [stdout] | [INFO] [stdout] 179 | fn diverges()->!{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `func1` [INFO] [stdout] --> src/main.rs:185:4 [INFO] [stdout] | [INFO] [stdout] 185 | fn func1(x: i32, y :i32)->i32{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_loop` [INFO] [stdout] --> src/main.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn test_loop(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compare` [INFO] [stdout] --> src/main.rs:223:4 [INFO] [stdout] | [INFO] [stdout] 223 | fn compare(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rand_number` [INFO] [stdout] --> src/main.rs:242:4 [INFO] [stdout] | [INFO] [stdout] 242 | fn rand_number() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `show_number` [INFO] [stdout] --> src/main.rs:255:4 [INFO] [stdout] | [INFO] [stdout] 255 | fn show_number() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 6.18s [INFO] running `Command { std: "docker" "inspect" "e4c0e881f9c3c80f20f5e4db3f01eb337d30d1db42152984c8dfe4a02b053ade", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4c0e881f9c3c80f20f5e4db3f01eb337d30d1db42152984c8dfe4a02b053ade", kill_on_drop: false }` [INFO] [stdout] e4c0e881f9c3c80f20f5e4db3f01eb337d30d1db42152984c8dfe4a02b053ade [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 21a345a17967639fc09167c0f480a998331c7e1eec4e58d957000d411b870814 [INFO] running `Command { std: "docker" "start" "-a" "21a345a17967639fc09167c0f480a998331c7e1eec4e58d957000d411b870814", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let y:(i32,&str) = (2,"word"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `z` is assigned to, but never used [INFO] [stderr] --> src/main.rs:136:13 [INFO] [stderr] | [INFO] [stderr] 136 | let mut z = (1,"rust"); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_z` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `z` is never read [INFO] [stderr] --> src/main.rs:138:5 [INFO] [stderr] | [INFO] [stderr] 138 | z = x ; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:141:12 [INFO] [stderr] | [INFO] [stderr] 141 | let (a,b,c ) = (4,5,6); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/main.rs:141:14 [INFO] [stderr] | [INFO] [stderr] 141 | let (a,b,c ) = (4,5,6); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `complete` [INFO] [stderr] --> src/main.rs:156:9 [INFO] [stderr] | [INFO] [stderr] 156 | let complete = &a[..]; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_complete` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `middle` [INFO] [stderr] --> src/main.rs:157:9 [INFO] [stderr] | [INFO] [stderr] 157 | let middle = &a[2..4]; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_middle` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:167:14 [INFO] [stderr] | [INFO] [stderr] 167 | let mut b = [4,5,6]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/main.rs:169:9 [INFO] [stderr] | [INFO] [stderr] 169 | let c = [0;20]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:167:9 [INFO] [stderr] | [INFO] [stderr] 167 | let mut b = [4,5,6]; [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: function is never used: `shutdown_iterator` [INFO] [stderr] --> src/main.rs:45:4 [INFO] [stderr] | [INFO] [stderr] 45 | fn shutdown_iterator(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_iterator` [INFO] [stderr] --> src/main.rs:67:4 [INFO] [stderr] | [INFO] [stderr] 67 | fn test_iterator(){ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `rust_loop` [INFO] [stderr] --> src/main.rs:76:4 [INFO] [stderr] | [INFO] [stderr] 76 | fn rust_loop(){ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_if` [INFO] [stderr] --> src/main.rs:112:4 [INFO] [stderr] | [INFO] [stderr] 112 | fn test_if(){ [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_tuple` [INFO] [stderr] --> src/main.rs:133:4 [INFO] [stderr] | [INFO] [stderr] 133 | fn test_tuple(){ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_slice` [INFO] [stderr] --> src/main.rs:153:4 [INFO] [stderr] | [INFO] [stderr] 153 | fn test_slice(){ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_arr1` [INFO] [stderr] --> src/main.rs:162:4 [INFO] [stderr] | [INFO] [stderr] 162 | fn test_arr1(){ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `plus_one` [INFO] [stderr] --> src/main.rs:173:4 [INFO] [stderr] | [INFO] [stderr] 173 | fn plus_one(i: i32) -> i32{ [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `diverges` [INFO] [stderr] --> src/main.rs:179:4 [INFO] [stderr] | [INFO] [stderr] 179 | fn diverges()->!{ [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `func1` [INFO] [stderr] --> src/main.rs:185:4 [INFO] [stderr] | [INFO] [stderr] 185 | fn func1(x: i32, y :i32)->i32{ [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_loop` [INFO] [stderr] --> src/main.rs:190:4 [INFO] [stderr] | [INFO] [stderr] 190 | fn test_loop(){ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compare` [INFO] [stderr] --> src/main.rs:223:4 [INFO] [stderr] | [INFO] [stderr] 223 | fn compare(){ [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `rand_number` [INFO] [stderr] --> src/main.rs:242:4 [INFO] [stderr] | [INFO] [stderr] 242 | fn rand_number() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `show_number` [INFO] [stderr] --> src/main.rs:255:4 [INFO] [stderr] | [INFO] [stderr] 255 | fn show_number() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello_rust` (bin "hello_rust" test) generated 24 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rust-7193d18c479dd59c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "21a345a17967639fc09167c0f480a998331c7e1eec4e58d957000d411b870814", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21a345a17967639fc09167c0f480a998331c7e1eec4e58d957000d411b870814", kill_on_drop: false }` [INFO] [stdout] 21a345a17967639fc09167c0f480a998331c7e1eec4e58d957000d411b870814