[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 1.59.0 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffteychene%2Frust-error-playground" "/workspace/builds/worker-21/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fteychene/rust-error-playground on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-21/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" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0138bd93d80473277817e32e982066a57e81171fb6f206ad4fea39c1ef20df31 [INFO] running `Command { std: "docker" "start" "-a" "0138bd93d80473277817e32e982066a57e81171fb6f206ad4fea39c1ef20df31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0138bd93d80473277817e32e982066a57e81171fb6f206ad4fea39c1ef20df31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0138bd93d80473277817e32e982066a57e81171fb6f206ad4fea39c1ef20df31", kill_on_drop: false }` [INFO] [stdout] 0138bd93d80473277817e32e982066a57e81171fb6f206ad4fea39c1ef20df31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d9e3de3776d403d876ddcb3d7b6e574ba8b2d0ec83c09a4f4b3139ebef2d6a9 [INFO] running `Command { std: "docker" "start" "-a" "0d9e3de3776d403d876ddcb3d7b6e574ba8b2d0ec83c09a4f4b3139ebef2d6a9", kill_on_drop: false }` [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling regex v1.3.1 [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 5.18s [INFO] running `Command { std: "docker" "inspect" "0d9e3de3776d403d876ddcb3d7b6e574ba8b2d0ec83c09a4f4b3139ebef2d6a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d9e3de3776d403d876ddcb3d7b6e574ba8b2d0ec83c09a4f4b3139ebef2d6a9", kill_on_drop: false }` [INFO] [stdout] 0d9e3de3776d403d876ddcb3d7b6e574ba8b2d0ec83c09a4f4b3139ebef2d6a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7eba12ed7973cae3f38be346a14ba031d709797badde17b9e9a9a7c102bad434 [INFO] running `Command { std: "docker" "start" "-a" "7eba12ed7973cae3f38be346a14ba031d709797badde17b9e9a9a7c102bad434", 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 0.45s [INFO] running `Command { std: "docker" "inspect" "7eba12ed7973cae3f38be346a14ba031d709797badde17b9e9a9a7c102bad434", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7eba12ed7973cae3f38be346a14ba031d709797badde17b9e9a9a7c102bad434", kill_on_drop: false }` [INFO] [stdout] 7eba12ed7973cae3f38be346a14ba031d709797badde17b9e9a9a7c102bad434 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 759ef7974a2ef79e214c1c395781212fbd0fa19623fd7ee26bd835b90b4e6464 [INFO] running `Command { std: "docker" "start" "-a" "759ef7974a2ef79e214c1c395781212fbd0fa19623fd7ee26bd835b90b4e6464", 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-0a803e9c0edf3850) [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/vanillacustom-9ca3a261e2948ae6) [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] [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" "759ef7974a2ef79e214c1c395781212fbd0fa19623fd7ee26bd835b90b4e6464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "759ef7974a2ef79e214c1c395781212fbd0fa19623fd7ee26bd835b90b4e6464", kill_on_drop: false }` [INFO] [stdout] 759ef7974a2ef79e214c1c395781212fbd0fa19623fd7ee26bd835b90b4e6464