[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 1.60.0 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 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--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-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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c9f099a53ce828479d999cb210550702600b90ac79cbbb2ed0e41fa3d60fc33e [INFO] running `Command { std: "docker" "start" "-a" "c9f099a53ce828479d999cb210550702600b90ac79cbbb2ed0e41fa3d60fc33e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c9f099a53ce828479d999cb210550702600b90ac79cbbb2ed0e41fa3d60fc33e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9f099a53ce828479d999cb210550702600b90ac79cbbb2ed0e41fa3d60fc33e", kill_on_drop: false }` [INFO] [stdout] c9f099a53ce828479d999cb210550702600b90ac79cbbb2ed0e41fa3d60fc33e [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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4d5d14b66edadabde633849535bf245ad90a79e573ecac201f981bbead6f559 [INFO] running `Command { std: "docker" "start" "-a" "f4d5d14b66edadabde633849535bf245ad90a79e573ecac201f981bbead6f559", 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 1.70s [INFO] running `Command { std: "docker" "inspect" "f4d5d14b66edadabde633849535bf245ad90a79e573ecac201f981bbead6f559", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4d5d14b66edadabde633849535bf245ad90a79e573ecac201f981bbead6f559", kill_on_drop: false }` [INFO] [stdout] f4d5d14b66edadabde633849535bf245ad90a79e573ecac201f981bbead6f559 [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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8e6d76350c64c07064e97b69acb9af9cb2bc9393796a21df42b8003ec1b1b35a [INFO] running `Command { std: "docker" "start" "-a" "8e6d76350c64c07064e97b69acb9af9cb2bc9393796a21df42b8003ec1b1b35a", 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 test [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "8e6d76350c64c07064e97b69acb9af9cb2bc9393796a21df42b8003ec1b1b35a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e6d76350c64c07064e97b69acb9af9cb2bc9393796a21df42b8003ec1b1b35a", kill_on_drop: false }` [INFO] [stdout] 8e6d76350c64c07064e97b69acb9af9cb2bc9393796a21df42b8003ec1b1b35a [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" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f4be9b91caecc74f873ec22437be25d6ab9ccde622943f03ee65287f9b65c72e [INFO] running `Command { std: "docker" "start" "-a" "f4be9b91caecc74f873ec22437be25d6ab9ccde622943f03ee65287f9b65c72e", kill_on_drop: false }` [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 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/vanilla-af5822c0f078810a) [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 (/opt/rustwide/target/debug/deps/vanillacustom-8ddf67ad0b180f59) [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" "f4be9b91caecc74f873ec22437be25d6ab9ccde622943f03ee65287f9b65c72e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4be9b91caecc74f873ec22437be25d6ab9ccde622943f03ee65287f9b65c72e", kill_on_drop: false }` [INFO] [stdout] f4be9b91caecc74f873ec22437be25d6ab9ccde622943f03ee65287f9b65c72e