[INFO] cloning repository https://github.com/OrlovBohdan/_10_Generics_and_Traits_10_3_Traits [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OrlovBohdan/_10_Generics_and_Traits_10_3_Traits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2F_10_Generics_and_Traits_10_3_Traits", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2F_10_Generics_and_Traits_10_3_Traits'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 00eca1064b874b06afa530a1162607408886caf9 [INFO] checking OrlovBohdan/_10_Generics_and_Traits_10_3_Traits against try#3c75d5844aa65b4aa19243ac44ceda49fe4e61ca for pr-143545 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2F_10_Generics_and_Traits_10_3_Traits" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/OrlovBohdan/_10_Generics_and_Traits_10_3_Traits [INFO] finished tweaking git repo https://github.com/OrlovBohdan/_10_Generics_and_Traits_10_3_Traits [INFO] tweaked toml for git repo https://github.com/OrlovBohdan/_10_Generics_and_Traits_10_3_Traits written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/OrlovBohdan/_10_Generics_and_Traits_10_3_Traits on toolchain 3c75d5844aa65b4aa19243ac44ceda49fe4e61ca [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/OrlovBohdan/_10_Generics_and_Traits_10_3_Traits already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 281047ba57ed546762785b7aad3222eb545f61a6b283d7f7cdfcc8ee38f67e18 [INFO] running `Command { std: "docker" "start" "-a" "281047ba57ed546762785b7aad3222eb545f61a6b283d7f7cdfcc8ee38f67e18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "281047ba57ed546762785b7aad3222eb545f61a6b283d7f7cdfcc8ee38f67e18", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "281047ba57ed546762785b7aad3222eb545f61a6b283d7f7cdfcc8ee38f67e18", kill_on_drop: false }` [INFO] [stdout] 281047ba57ed546762785b7aad3222eb545f61a6b283d7f7cdfcc8ee38f67e18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+3c75d5844aa65b4aa19243ac44ceda49fe4e61ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 504ab118ac86ca813a0feb54e9ec3652e74ba0966827bf711b62fadd48557618 [INFO] running `Command { std: "docker" "start" "-a" "504ab118ac86ca813a0feb54e9ec3652e74ba0966827bf711b62fadd48557618", kill_on_drop: false }` [INFO] [stderr] Checking _10_Generics_and_Traits_10_3_Traits v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `Hello` is never used [INFO] [stdout] --> src/task1.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | trait Hello { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Student` is never constructed [INFO] [stdout] --> src/task1.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | struct Student {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Teacher` is never constructed [INFO] [stdout] --> src/task1.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | struct Teacher {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Seconds` is never constructed [INFO] [stdout] --> src/task2.rs:76:8 [INFO] [stdout] | [INFO] [stdout] 76 | struct Seconds(i32); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Centimeters` is never constructed [INFO] [stdout] --> src/task2.rs:79:8 [INFO] [stdout] | [INFO] [stdout] 79 | struct Centimeters(f64); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Inches` is never constructed [INFO] [stdout] --> src/task2.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct Inches(i32); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_centimeters` is never used [INFO] [stdout] --> src/task2.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 84 | impl Inches { [INFO] [stdout] | ----------- method in this implementation [INFO] [stdout] 85 | fn to_centimeters(&self) -> Centimeters { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `multiply` is never used [INFO] [stdout] --> src/task3.rs:32:4 [INFO] [stdout] | [INFO] [stdout] 32 | fn multiply>(a: T, b: T) -> T { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Foo` is never constructed [INFO] [stdout] --> src/task4.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | struct Foo; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Bar` is never constructed [INFO] [stdout] --> src/task4.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | struct Bar; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Summary` is never used [INFO] [stdout] --> src/task5.rs:78:7 [INFO] [stdout] | [INFO] [stdout] 78 | trait Summary { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Weibo` is never constructed [INFO] [stdout] --> src/task5.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | struct Weibo { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `summary` is never used [INFO] [stdout] --> src/task5.rs:109:4 [INFO] [stdout] | [INFO] [stdout] 109 | fn summary(item: &impl Summary) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Sheep` is never constructed [INFO] [stdout] --> src/task6.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 46 | struct Sheep {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cow` is never constructed [INFO] [stdout] --> src/task6.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | struct Cow {} [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Animal` is never used [INFO] [stdout] --> src/task6.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | trait Animal { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `random_animal` is never used [INFO] [stdout] --> src/task6.rs:66:4 [INFO] [stdout] | [INFO] [stdout] 66 | fn random_animal(random_number: f64) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `sum` is never used [INFO] [stdout] --> src/task7.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn sum>(x: T, y: T) -> T { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Pair` is never constructed [INFO] [stdout] --> src/task8.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 56 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cmp_display` is never used [INFO] [stdout] --> src/task8.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 70 | impl Pair { [INFO] [stdout] | ---------------------------------------- method in this implementation [INFO] [stdout] 71 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Unit` is never constructed [INFO] [stdout] --> src/task8.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 82 | struct Unit(i32); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example1` is never used [INFO] [stdout] --> src/task9.rs:94:4 [INFO] [stdout] | [INFO] [stdout] 94 | fn example1() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/task9.rs:101:12 [INFO] [stdout] | [INFO] [stdout] 100 | impl u32> Cacher { [INFO] [stdout] | --------------------------------- associated items in this implementation [INFO] [stdout] 101 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 108 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `example2` is never used [INFO] [stdout] --> src/task9.rs:125:4 [INFO] [stdout] | [INFO] [stdout] 125 | fn example2() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/task9.rs:136:12 [INFO] [stdout] | [INFO] [stdout] 133 | / impl Cacher [INFO] [stdout] 134 | | where T: Fn(u32) -> u32, [INFO] [stdout] | |____________________________- associated items in this implementation [INFO] [stdout] 135 | { [INFO] [stdout] 136 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 143 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "504ab118ac86ca813a0feb54e9ec3652e74ba0966827bf711b62fadd48557618", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "504ab118ac86ca813a0feb54e9ec3652e74ba0966827bf711b62fadd48557618", kill_on_drop: false }` [INFO] [stdout] 504ab118ac86ca813a0feb54e9ec3652e74ba0966827bf711b62fadd48557618