[INFO] updating cached repository https://github.com/MartinHowarth/petals_around_the_rose [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 07c9f5fe1492656514dcbf1a0e874988007b0364 [INFO] testing MartinHowarth/petals_around_the_rose against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartinHowarth%2Fpetals_around_the_rose" "/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/MartinHowarth/petals_around_the_rose on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MartinHowarth/petals_around_the_rose [INFO] finished tweaking git repo https://github.com/MartinHowarth/petals_around_the_rose [INFO] tweaked toml for git repo https://github.com/MartinHowarth/petals_around_the_rose written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/MartinHowarth/petals_around_the_rose already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 527c892e4411ae448017488adbacb8a2c5038712bdbe46baa298c5844c88b5a3 [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" "527c892e4411ae448017488adbacb8a2c5038712bdbe46baa298c5844c88b5a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "527c892e4411ae448017488adbacb8a2c5038712bdbe46baa298c5844c88b5a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "527c892e4411ae448017488adbacb8a2c5038712bdbe46baa298c5844c88b5a3", kill_on_drop: false }` [INFO] [stdout] 527c892e4411ae448017488adbacb8a2c5038712bdbe46baa298c5844c88b5a3 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ac4cdc76f9e5de57cf34e012cbd86c40c52af99842fc528453947bfadda3d39 [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" "1ac4cdc76f9e5de57cf34e012cbd86c40c52af99842fc528453947bfadda3d39", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.39 [INFO] [stderr] Compiling cute v0.3.0 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling petals_around_the_rose v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | ; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut f: fn(&mut i32) = match die { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.41s [INFO] running `Command { std: "docker" "inspect" "1ac4cdc76f9e5de57cf34e012cbd86c40c52af99842fc528453947bfadda3d39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ac4cdc76f9e5de57cf34e012cbd86c40c52af99842fc528453947bfadda3d39", kill_on_drop: false }` [INFO] [stdout] 1ac4cdc76f9e5de57cf34e012cbd86c40c52af99842fc528453947bfadda3d39 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e59cc43de5885eaad6e7a153b863f8a65c9547a5fb7a797d573d3e0f576a782 [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" "0e59cc43de5885eaad6e7a153b863f8a65c9547a5fb7a797d573d3e0f576a782", kill_on_drop: false }` [INFO] [stderr] Compiling petals_around_the_rose v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 56 | ; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut f: fn(&mut i32) = match die { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] running `Command { std: "docker" "inspect" "0e59cc43de5885eaad6e7a153b863f8a65c9547a5fb7a797d573d3e0f576a782", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e59cc43de5885eaad6e7a153b863f8a65c9547a5fb7a797d573d3e0f576a782", kill_on_drop: false }` [INFO] [stdout] 0e59cc43de5885eaad6e7a153b863f8a65c9547a5fb7a797d573d3e0f576a782 [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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] d2bcce64f5aacd6b10c5801627555558377ddae305bd2fa8e3e95a9b747eaaea [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" "d2bcce64f5aacd6b10c5801627555558377ddae305bd2fa8e3e95a9b747eaaea", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:56:5 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 56 | ; [INFO] [stdout] [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut f: fn(&mut i32) = match die { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.49s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/petals_around_the_rose-c571e7475cb01c4f [INFO] running `Command { std: "docker" "inspect" "d2bcce64f5aacd6b10c5801627555558377ddae305bd2fa8e3e95a9b747eaaea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2bcce64f5aacd6b10c5801627555558377ddae305bd2fa8e3e95a9b747eaaea", kill_on_drop: false }` [INFO] [stdout] d2bcce64f5aacd6b10c5801627555558377ddae305bd2fa8e3e95a9b747eaaea