[INFO] fetching crate wird 0.1.0...
[INFO] testing wird-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate wird 0.1.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate wird 0.1.0 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 crates.io crate wird 0.1.0
[INFO] finished tweaking crates.io crate wird 0.1.0
[INFO] tweaked toml for crates.io crate wird 0.1.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate wird 0.1.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 4e43930618967327192f60a0985e9ea86846ec6d0ff252cb09ee6084e5460fab
[INFO] running `Command { std: "docker" "start" "-a" "4e43930618967327192f60a0985e9ea86846ec6d0ff252cb09ee6084e5460fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e43930618967327192f60a0985e9ea86846ec6d0ff252cb09ee6084e5460fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e43930618967327192f60a0985e9ea86846ec6d0ff252cb09ee6084e5460fab", kill_on_drop: false }`
[INFO] [stdout] 4e43930618967327192f60a0985e9ea86846ec6d0ff252cb09ee6084e5460fab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 3fa6104b45ee7102d592502301d56373499a3a15c2cf8e2d19f7fa781482fbd8
[INFO] running `Command { std: "docker" "start" "-a" "3fa6104b45ee7102d592502301d56373499a3a15c2cf8e2d19f7fa781482fbd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling wird v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 for mut p in (n+2).. {
[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 2.35s
[INFO] running `Command { std: "docker" "inspect" "3fa6104b45ee7102d592502301d56373499a3a15c2cf8e2d19f7fa781482fbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa6104b45ee7102d592502301d56373499a3a15c2cf8e2d19f7fa781482fbd8", kill_on_drop: false }`
[INFO] [stdout] 3fa6104b45ee7102d592502301d56373499a3a15c2cf8e2d19f7fa781482fbd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] b7ae7a02c98711b23439ab9b035747dc62995680eaec404e130694a4d439008c
[INFO] running `Command { std: "docker" "start" "-a" "b7ae7a02c98711b23439ab9b035747dc62995680eaec404e130694a4d439008c", kill_on_drop: false }`
[INFO] [stderr]    Compiling wird v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                 for mut p in (n+2).. {
[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 1.21s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/wird-47cef4316b659a0b)
[INFO] running `Command { std: "docker" "inspect" "b7ae7a02c98711b23439ab9b035747dc62995680eaec404e130694a4d439008c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ae7a02c98711b23439ab9b035747dc62995680eaec404e130694a4d439008c", kill_on_drop: false }`
[INFO] [stdout] b7ae7a02c98711b23439ab9b035747dc62995680eaec404e130694a4d439008c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] cc67406f38daf1ee2ee5e3dd7285e1757418fbc80847ada110ecca9fddad22ef
[INFO] running `Command { std: "docker" "start" "-a" "cc67406f38daf1ee2ee5e3dd7285e1757418fbc80847ada110ecca9fddad22ef", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 for mut p in (n+2).. {
[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: `wird` (bin "wird" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wird-47cef4316b659a0b)
[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" "cc67406f38daf1ee2ee5e3dd7285e1757418fbc80847ada110ecca9fddad22ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc67406f38daf1ee2ee5e3dd7285e1757418fbc80847ada110ecca9fddad22ef", kill_on_drop: false }`
[INFO] [stdout] cc67406f38daf1ee2ee5e3dd7285e1757418fbc80847ada110ecca9fddad22ef