[INFO] updating cached repository https://github.com/bookinstock/rust_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] c83d144f2d500cd60a59da5019b4bc5ca7d2d36f [INFO] checking bookinstock/rust_example against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbookinstock%2Frust_example" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bookinstock/rust_example on toolchain d939f708d960161d23b964309ba68ff207fc0ead [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/bookinstock/rust_example [INFO] finished tweaking git repo https://github.com/bookinstock/rust_example [INFO] tweaked toml for git repo https://github.com/bookinstock/rust_example written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/bookinstock/rust_example already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+d939f708d960161d23b964309ba68ff207fc0ead" "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] e0bacef9b9f98ebd436a1a18cc8d80be517e58c12bb8d234625ff453702665af [INFO] running `"docker" "start" "-a" "e0bacef9b9f98ebd436a1a18cc8d80be517e58c12bb8d234625ff453702665af"` [INFO] [stderr] Checking rust_example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `noisy_unused_variable` [INFO] [stderr] --> src/bin/var_binding.rs:26:9 [INFO] [stderr] | [INFO] [stderr] 26 | let noisy_unused_variable = 2u32; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_noisy_unused_variable` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0601]: `main` function not found in crate `unsafe` [INFO] [stderr] --> src/bin/unsafe.rs:1:2 [INFO] [stderr] | [INFO] [stderr] 1 | [INFO] [stderr] | ^ consider adding a `main` function to `src/bin/unsafe.rs` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [INFO] [stderr] error: could not compile `rust_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/bin/control_flow.rs:119:9 [INFO] [stderr] | [INFO] [stderr] 119 | 'inner: loop { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_labels)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0601]: `main` function not found in crate `other` [INFO] [stderr] --> src/bin/other.rs:1:2 [INFO] [stderr] | [INFO] [stderr] 1 | [INFO] [stderr] | ^ consider adding a `main` function to `src/bin/other.rs` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0601`. [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/bin/control_flow.rs:125:9 [INFO] [stderr] | [INFO] [stderr] 122 | break 'outer; [INFO] [stderr] | ------------ any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 125 | println!("never reach"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: could not compile `rust_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: variant is never constructed: `Red` [INFO] [stderr] --> src/bin/control_flow.rs:247:9 [INFO] [stderr] | [INFO] [stderr] 247 | Red, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Blue` [INFO] [stderr] --> src/bin/control_flow.rs:248:9 [INFO] [stderr] | [INFO] [stderr] 248 | Blue, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Green` [INFO] [stderr] --> src/bin/control_flow.rs:249:9 [INFO] [stderr] | [INFO] [stderr] 249 | Green, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `HSV` [INFO] [stderr] --> src/bin/control_flow.rs:251:9 [INFO] [stderr] | [INFO] [stderr] 251 | HSV(u32, u32, u32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `HSL` [INFO] [stderr] --> src/bin/control_flow.rs:252:9 [INFO] [stderr] | [INFO] [stderr] 252 | HSL(u32, u32, u32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CMY` [INFO] [stderr] --> src/bin/control_flow.rs:253:9 [INFO] [stderr] | [INFO] [stderr] 253 | CMY(u32, u32, u32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CMYK` [INFO] [stderr] --> src/bin/control_flow.rs:254:9 [INFO] [stderr] | [INFO] [stderr] 254 | CMYK(u32, u32, u32, u32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ttt` [INFO] [stderr] --> src/bin/hello.rs:107:4 [INFO] [stderr] | [INFO] [stderr] 107 | fn ttt() { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `f` [INFO] [stderr] --> src/bin/hello.rs:120:4 [INFO] [stderr] | [INFO] [stderr] 120 | fn f() { [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test` [INFO] [stderr] --> src/bin/hello.rs:124:4 [INFO] [stderr] | [INFO] [stderr] 124 | fn test() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `try_debug_trait` [INFO] [stderr] --> src/bin/hello.rs:159:4 [INFO] [stderr] | [INFO] [stderr] 159 | fn try_debug_trait() { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "e0bacef9b9f98ebd436a1a18cc8d80be517e58c12bb8d234625ff453702665af"` [INFO] running `"docker" "rm" "-f" "e0bacef9b9f98ebd436a1a18cc8d80be517e58c12bb8d234625ff453702665af"` [INFO] [stdout] e0bacef9b9f98ebd436a1a18cc8d80be517e58c12bb8d234625ff453702665af