[INFO] updating cached repository https://github.com/marionebl/rust-by-example-exercises [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] b22ea9a4d0448f54fdbc20b0d014f13f44ae816e [INFO] checking marionebl/rust-by-example-exercises against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarionebl%2Frust-by-example-exercises" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marionebl/rust-by-example-exercises on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/marionebl/rust-by-example-exercises [INFO] finished tweaking git repo https://github.com/marionebl/rust-by-example-exercises [INFO] tweaked toml for git repo https://github.com/marionebl/rust-by-example-exercises written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/marionebl/rust-by-example-exercises already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 5ddfff0d27b946667875dfc87b4fc1e58cf134061698bf17681e7c67152fcfdf [INFO] running `"docker" "start" "-a" "5ddfff0d27b946667875dfc87b4fc1e58cf134061698bf17681e7c67152fcfdf"` [INFO] [stderr] Checking rust-by-example-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/bin/8-2-loop.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 32 | break 'outer; [INFO] [stderr] | ------------ any code following this expression is unreachable [INFO] [stderr] ... [INFO] [stderr] 35 | println!("This point will never be reached"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/bin/8-5-match.rs:22:15 [INFO] [stderr] | [INFO] [stderr] 22 | 13...19 => println!("This is 13...19"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `RGB` [INFO] [stderr] --> src/bin/8-5-match.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | RGB(u8, u8, u8), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `HSV` [INFO] [stderr] --> src/bin/8-5-match.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | HSV(u16, u8, u8), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `HSL` [INFO] [stderr] --> src/bin/8-5-match.rs:84:5 [INFO] [stderr] | [INFO] [stderr] 84 | HSL(u16, u8, u8), [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CMY` [INFO] [stderr] --> src/bin/8-5-match.rs:85:5 [INFO] [stderr] | [INFO] [stderr] 85 | CMY(u8, u8, u8), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CMYK` [INFO] [stderr] --> src/bin/8-5-match.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | CMYK(u8, u8, u8, u8) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected item, found `36` [INFO] [stderr] --> src/bin/13-5-2-generic-bounds-multiple.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | 36 [INFO] [stderr] | ^^ expected item [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: could not compile `rust-by-example-exercises`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/bin/7-expressions.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] error: build failed [INFO] running `"docker" "inspect" "5ddfff0d27b946667875dfc87b4fc1e58cf134061698bf17681e7c67152fcfdf"` [INFO] running `"docker" "rm" "-f" "5ddfff0d27b946667875dfc87b4fc1e58cf134061698bf17681e7c67152fcfdf"` [INFO] [stdout] 5ddfff0d27b946667875dfc87b4fc1e58cf134061698bf17681e7c67152fcfdf