[INFO] cloning repository https://github.com/marionebl/rust-by-example-exercises [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marionebl/rust-by-example-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarionebl%2Frust-by-example-exercises", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarionebl%2Frust-by-example-exercises'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b22ea9a4d0448f54fdbc20b0d014f13f44ae816e [INFO] checking marionebl/rust-by-example-exercises against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarionebl%2Frust-by-example-exercises" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/marionebl/rust-by-example-exercises on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-12/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", 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] 0ceb11dc80aa736459630143d2281ebe968e8d0e6a7d2b374eb5cf626af3ac00 [INFO] running `Command { std: "docker" "start" "-a" "0ceb11dc80aa736459630143d2281ebe968e8d0e6a7d2b374eb5cf626af3ac00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0ceb11dc80aa736459630143d2281ebe968e8d0e6a7d2b374eb5cf626af3ac00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0ceb11dc80aa736459630143d2281ebe968e8d0e6a7d2b374eb5cf626af3ac00", kill_on_drop: false }` [INFO] [stdout] 0ceb11dc80aa736459630143d2281ebe968e8d0e6a7d2b374eb5cf626af3ac00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a91e6e38fbee488e88de03cafe680bf7571b7a30f495fa39e02c6d80df570446 [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" "a91e6e38fbee488e88de03cafe680bf7571b7a30f495fa39e02c6d80df570446", kill_on_drop: false }` [INFO] [stderr] Checking rust-by-example-exercises v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: expected item, found `36` [INFO] [stdout] --> src/bin/13-5-2-generic-bounds-multiple.rs:17:1 [INFO] [stdout] | [INFO] [stdout] 17 | 36 [INFO] [stdout] | ^^ expected item [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-by-example-exercises` [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: unused label [INFO] [stdout] --> src/bin/8-2-loop.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | 'inner: loop { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/8-2-loop.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 32 | break 'outer; [INFO] [stdout] | ------------ any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 35 | println!("This point will never be reached"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/bin/9-2-6-closures-std-lib-iterator-find.rs:15:47 [INFO] [stdout] | [INFO] [stdout] 15 | println!("Find 2 in array2: {:?}", array2.into_iter().find(|&&x| x == 2)); [INFO] [stdout] | ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a91e6e38fbee488e88de03cafe680bf7571b7a30f495fa39e02c6d80df570446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a91e6e38fbee488e88de03cafe680bf7571b7a30f495fa39e02c6d80df570446", kill_on_drop: false }` [INFO] [stdout] a91e6e38fbee488e88de03cafe680bf7571b7a30f495fa39e02c6d80df570446