[INFO] cloning repository https://github.com/fteychene/rust-error-playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fteychene/rust-error-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Frust-error-playground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Frust-error-playground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fa8ce5306515ca1d2c77d022d760ab7c00360f86 [INFO] testing fteychene/rust-error-playground against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Frust-error-playground" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fteychene/rust-error-playground on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/fteychene/rust-error-playground [INFO] finished tweaking git repo https://github.com/fteychene/rust-error-playground [INFO] tweaked toml for git repo https://github.com/fteychene/rust-error-playground written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/fteychene/rust-error-playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--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-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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0dec9a2f20c7761468e39501515299d12b5d9597de7e537b7cbeb41c1b105d69 [INFO] running `Command { std: "docker" "start" "-a" "0dec9a2f20c7761468e39501515299d12b5d9597de7e537b7cbeb41c1b105d69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0dec9a2f20c7761468e39501515299d12b5d9597de7e537b7cbeb41c1b105d69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dec9a2f20c7761468e39501515299d12b5d9597de7e537b7cbeb41c1b105d69", kill_on_drop: false }` [INFO] [stdout] 0dec9a2f20c7761468e39501515299d12b5d9597de7e537b7cbeb41c1b105d69 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60354de5cbfc0e2b513de556e4376222be5298b6a8838bc532c15f3425e9ddbd [INFO] running `Command { std: "docker" "start" "-a" "60354de5cbfc0e2b513de556e4376222be5298b6a8838bc532c15f3425e9ddbd", kill_on_drop: false }` [INFO] [stderr] Compiling vanilla v0.1.0 (/opt/rustwide/workdir/vanilla) [INFO] [stderr] Compiling vanillacustom v0.1.0 (/opt/rustwide/workdir/vanillacustom) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> vanilla/src/main.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | fn remove_header(mut chapters: Vec) -> Result, Box> { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.69s [INFO] running `Command { std: "docker" "inspect" "60354de5cbfc0e2b513de556e4376222be5298b6a8838bc532c15f3425e9ddbd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60354de5cbfc0e2b513de556e4376222be5298b6a8838bc532c15f3425e9ddbd", kill_on_drop: false }` [INFO] [stdout] 60354de5cbfc0e2b513de556e4376222be5298b6a8838bc532c15f3425e9ddbd [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96461affbb1a32b113755bf849a214751fb4e1e68c24b2ab3e749719c3fcb900 [INFO] running `Command { std: "docker" "start" "-a" "96461affbb1a32b113755bf849a214751fb4e1e68c24b2ab3e749719c3fcb900", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling vanillacustom v0.1.0 (/opt/rustwide/workdir/vanillacustom) [INFO] [stderr] Compiling vanilla v0.1.0 (/opt/rustwide/workdir/vanilla) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> vanilla/src/main.rs:34:18 [INFO] [stdout] | [INFO] [stdout] 34 | fn remove_header(mut chapters: Vec) -> Result, Box> { [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2m 32s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/vanilla-7d2f9d7f8ec7c887) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/vanillacustom-f02dc72596c12a4a) [INFO] running `Command { std: "docker" "inspect" "96461affbb1a32b113755bf849a214751fb4e1e68c24b2ab3e749719c3fcb900", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96461affbb1a32b113755bf849a214751fb4e1e68c24b2ab3e749719c3fcb900", kill_on_drop: false }` [INFO] [stdout] 96461affbb1a32b113755bf849a214751fb4e1e68c24b2ab3e749719c3fcb900 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2895d4a53fa6dea4375f2b6b524bad7fa7e39a839bba826fbd9c1897d802e3f0 [INFO] running `Command { std: "docker" "start" "-a" "2895d4a53fa6dea4375f2b6b524bad7fa7e39a839bba826fbd9c1897d802e3f0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> vanilla/src/main.rs:34:18 [INFO] [stderr] | [INFO] [stderr] 34 | fn remove_header(mut chapters: Vec) -> Result, Box> { [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: `vanilla` (bin "vanilla" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2m 26s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vanilla-7d2f9d7f8ec7c887) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/vanillacustom-f02dc72596c12a4a) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2895d4a53fa6dea4375f2b6b524bad7fa7e39a839bba826fbd9c1897d802e3f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2895d4a53fa6dea4375f2b6b524bad7fa7e39a839bba826fbd9c1897d802e3f0", kill_on_drop: false }` [INFO] [stdout] 2895d4a53fa6dea4375f2b6b524bad7fa7e39a839bba826fbd9c1897d802e3f0