[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] 6a6ce944bf302d0525297dbb34073341a008778a [INFO] testing eda3/rust_by_example against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feda3%2Frust_by_example" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/eda3/rust_by_example on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-1/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd59e3dd4043ae7a52ad7c843b346e92f1116a3ef2968fa360daa4220813c5c4 [INFO] running `Command { std: "docker" "start" "-a" "fd59e3dd4043ae7a52ad7c843b346e92f1116a3ef2968fa360daa4220813c5c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd59e3dd4043ae7a52ad7c843b346e92f1116a3ef2968fa360daa4220813c5c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd59e3dd4043ae7a52ad7c843b346e92f1116a3ef2968fa360daa4220813c5c4", kill_on_drop: false }` [INFO] [stdout] fd59e3dd4043ae7a52ad7c843b346e92f1116a3ef2968fa360daa4220813c5c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 83b8d78f100e3935f2e339c5ac9832ff5c42b6a2f5d7d0556d9dbe0f05c1e183 [INFO] running `Command { std: "docker" "start" "-a" "83b8d78f100e3935f2e339c5ac9832ff5c42b6a2f5d7d0556d9dbe0f05c1e183", kill_on_drop: false }` [INFO] [stderr] Compiling rust_by_example v0.1.0 (/opt/rustwide/workdir) [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: 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] 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: struct is never constructed: `S` [INFO] [stdout] --> src/bin/14-2-0_impl.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct S; // 具象型`S` [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `GenericVal` [INFO] [stdout] --> src/bin/14-2-0_impl.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct GenericVal(T); // ジェネリック型`GenericVal` [INFO] [stdout] | ^^^^^^^^^^ [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: `short_lived_binding` [INFO] [stdout] --> src/bin/04-2-0_scope.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let short_lived_binding = 2; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_short_lived_binding` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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" "83b8d78f100e3935f2e339c5ac9832ff5c42b6a2f5d7d0556d9dbe0f05c1e183", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83b8d78f100e3935f2e339c5ac9832ff5c42b6a2f5d7d0556d9dbe0f05c1e183", kill_on_drop: false }` [INFO] [stdout] 83b8d78f100e3935f2e339c5ac9832ff5c42b6a2f5d7d0556d9dbe0f05c1e183