[INFO] cloning repository https://github.com/calesce/yamb [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/calesce/yamb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalesce%2Fyamb", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalesce%2Fyamb'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6ba7d8652bf21bbc6e506a244290d43cd81b85fa [INFO] checking calesce/yamb against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcalesce%2Fyamb" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/calesce/yamb on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/calesce/yamb [INFO] finished tweaking git repo https://github.com/calesce/yamb [INFO] tweaked toml for git repo https://github.com/calesce/yamb written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/calesce/yamb already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] 72ffaada33333820a20982a627afdb12102766d7e1c0e55a3874c2b02969cf95 [INFO] running `Command { std: "docker" "start" "-a" "72ffaada33333820a20982a627afdb12102766d7e1c0e55a3874c2b02969cf95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72ffaada33333820a20982a627afdb12102766d7e1c0e55a3874c2b02969cf95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72ffaada33333820a20982a627afdb12102766d7e1c0e55a3874c2b02969cf95", kill_on_drop: false }` [INFO] [stdout] 72ffaada33333820a20982a627afdb12102766d7e1c0e55a3874c2b02969cf95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4936a5bd29f47cc244e31465dca885c2ce8a931ee4c6b12288c0641f783f9939 [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" "4936a5bd29f47cc244e31465dca885c2ce8a931ee4c6b12288c0641f783f9939", kill_on_drop: false }` [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking yamb v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:37:46 [INFO] [stdout] | [INFO] [stdout] 37 | fn read_file(path: &Path) -> std::io::Result<(String)> { [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | Ok((buffer)) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:37:46 [INFO] [stdout] | [INFO] [stdout] 37 | fn read_file(path: &Path) -> std::io::Result<(String)> { [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/main.rs:42:8 [INFO] [stdout] | [INFO] [stdout] 42 | Ok((buffer)) [INFO] [stdout] | ^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "4936a5bd29f47cc244e31465dca885c2ce8a931ee4c6b12288c0641f783f9939", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4936a5bd29f47cc244e31465dca885c2ce8a931ee4c6b12288c0641f783f9939", kill_on_drop: false }` [INFO] [stdout] 4936a5bd29f47cc244e31465dca885c2ce8a931ee4c6b12288c0641f783f9939