[INFO] cloning repository https://github.com/eda3/rust_by_example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eda3/rust_by_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 625b0a454bd5741b527da1d05bef7fd812741fec [INFO] testing eda3/rust_by_example against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eda3/rust_by_example on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/eda3/rust_by_example [INFO] finished tweaking git repo https://github.com/eda3/rust_by_example [INFO] tweaked toml for git repo https://github.com/eda3/rust_by_example written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/eda3/rust_by_example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 447e5fac330dc4cfe9684f130059b407aa08ac596f473864d0ed1da86cbb5f65 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "447e5fac330dc4cfe9684f130059b407aa08ac596f473864d0ed1da86cbb5f65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "447e5fac330dc4cfe9684f130059b407aa08ac596f473864d0ed1da86cbb5f65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "447e5fac330dc4cfe9684f130059b407aa08ac596f473864d0ed1da86cbb5f65", kill_on_drop: false }` [INFO] [stdout] 447e5fac330dc4cfe9684f130059b407aa08ac596f473864d0ed1da86cbb5f65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8177f55b6298cabd06766591f90f4ee3704fc0f90ecbd9d7a65e875afc7ec374 [INFO] running `Command { std: "docker" "start" "-a" "8177f55b6298cabd06766591f90f4ee3704fc0f90ecbd9d7a65e875afc7ec374", kill_on_drop: false }` [INFO] [stderr] Compiling rust_by_example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct is never constructed: `UnPrintable` [INFO] [stdout] --> src/bin/01-2-1-0_print_debug.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct UnPrintable(i32); // -> printデバッグできない [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/03-2-0_enum.rs:64:7 [INFO] [stdout] | [INFO] [stdout] 64 | let x = Operations::Add; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Subtract` [INFO] [stdout] --> src/bin/03-2-0_enum.rs:29:3 [INFO] [stdout] | [INFO] [stdout] 29 | Subtract, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `run` [INFO] [stdout] --> src/bin/03-2-0_enum.rs:36:6 [INFO] [stdout] | [INFO] [stdout] 36 | fn run(&self, x: i32, y: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `noisy_unused_variable` [INFO] [stdout] --> src/bin/04-0_variable_bindings.rs:19:7 [INFO] [stdout] | [INFO] [stdout] 19 | let noisy_unused_variable = 2u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_noisy_unused_variable` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `printer` [INFO] [stdout] --> src/bin/14-4-0_bounds.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn printer(t: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0053]: method `contains` has an incompatible type for trait [INFO] [stdout] --> src/bin/14-8-2-types.rs:21:32 [INFO] [stdout] | [INFO] [stdout] 10 | fn contains(&self, _: Self::A, _: &Self::B) -> bool; [INFO] [stdout] | ------- type in trait [INFO] [stdout] ... [INFO] [stdout] 21 | fn contains(&self, number_1: &i32, number_2: &i32) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `i32`, found `&i32` [INFO] [stdout] | help: change the parameter type to match the trait: `i32` [INFO] [stdout] | [INFO] [stdout] = note: expected fn pointer `fn(&Container, i32, &i32) -> _` [INFO] [stdout] found fn pointer `fn(&Container, &i32, &i32) -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/bin/14-8-2-types.rs:50:24 [INFO] [stdout] | [INFO] [stdout] 50 | container.contains(&number_1, &number_2) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `i32`, found `&i32` [INFO] [stdout] | help: consider removing the borrow: `number_1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0053, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0053`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_by_example` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: path statement with no effect [INFO] [stdout] --> src/bin/07-0_expression.rs:6:3 [INFO] [stdout] | [INFO] [stdout] 6 | x; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(path_statements)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/bin/07-0_expression.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 7 | x + 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/bin/07-0_expression.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | 2 * x; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "8177f55b6298cabd06766591f90f4ee3704fc0f90ecbd9d7a65e875afc7ec374", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8177f55b6298cabd06766591f90f4ee3704fc0f90ecbd9d7a65e875afc7ec374", kill_on_drop: false }` [INFO] [stdout] 8177f55b6298cabd06766591f90f4ee3704fc0f90ecbd9d7a65e875afc7ec374