[INFO] updating cached repository https://github.com/syuni/rust-by-example [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b3f4cf9a5219e47165d823446a761a963ce48beb [INFO] checking syuni/rust-by-example against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuni%2Frust-by-example" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/syuni/rust-by-example on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6 [INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/syuni/rust-by-example [INFO] finished tweaking git repo https://github.com/syuni/rust-by-example [INFO] tweaked toml for git repo https://github.com/syuni/rust-by-example written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/syuni/rust-by-example already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-1/source/src/8_2_4.rs [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7d9c3a7a54eeb17ee4b4e4eccb3a877f8bf758a237d1bb64e9fe3d491f02fa1b [INFO] running `"docker" "start" "-a" "7d9c3a7a54eeb17ee4b4e4eccb3a877f8bf758a237d1bb64e9fe3d491f02fa1b"` [INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/8_2_4.rs [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/6.rs:14:9 [INFO] [stderr] | [INFO] [stderr] 14 | 2 * x; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `display` [INFO] [stderr] --> src/18_3.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | let display = path.display(); [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_display` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `function` [INFO] [stderr] --> src/10_4.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn function() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `noisy_unused_function` [INFO] [stderr] --> src/12_1.rs:7:4 [INFO] [stderr] | [INFO] [stderr] 7 | fn noisy_unused_function() {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/18_4_1.rs:14:61 [INFO] [stderr] | [INFO] [stderr] 14 | Err(why) => panic!("couldn't open {}: {}", display, Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stderr] --> src/18_4_1.rs:21:61 [INFO] [stderr] | [INFO] [stderr] 21 | Err(why) => panic!("couldn't read {}: {}", display, Error::description(&why)), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected one of `:`, `@`, or `|`, found `,` [INFO] [stderr] --> src/13_7_1.rs:6:26 [INFO] [stderr] | [INFO] [stderr] 6 | fn contains(&self, &A, &B) -> bool; // `A`と`B`の両方を明示的に要求する [INFO] [stderr] | ^ expected one of `:`, `@`, or `|` [INFO] [stderr] [INFO] [stderr] error: expected one of `:`, `@`, or `|`, found `)` [INFO] [stderr] --> src/13_7_1.rs:6:30 [INFO] [stderr] | [INFO] [stderr] 6 | fn contains(&self, &A, &B) -> bool; // `A`と`B`の両方を明示的に要求する [INFO] [stderr] | ^ expected one of `:`, `@`, or `|` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [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] [stderr] warning: unused label [INFO] [stderr] --> src/7_2_1.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | 'inner: loop { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "7d9c3a7a54eeb17ee4b4e4eccb3a877f8bf758a237d1bb64e9fe3d491f02fa1b"` [INFO] running `"docker" "rm" "-f" "7d9c3a7a54eeb17ee4b4e4eccb3a877f8bf758a237d1bb64e9fe3d491f02fa1b"` [INFO] [stdout] 7d9c3a7a54eeb17ee4b4e4eccb3a877f8bf758a237d1bb64e9fe3d491f02fa1b