[INFO] fetching crate mutate 0.1.0...
[INFO] testing mutate-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mutate 0.1.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate mutate 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 mutate 0.1.0
[INFO] finished tweaking crates.io crate mutate 0.1.0
[INFO] tweaked toml for crates.io crate mutate 0.1.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 84b8e5eea7f0136700e7be06a6dc5d2ef73792966c8c3131453b417c6f10033f
[INFO] running `Command { std: "docker" "start" "-a" "84b8e5eea7f0136700e7be06a6dc5d2ef73792966c8c3131453b417c6f10033f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84b8e5eea7f0136700e7be06a6dc5d2ef73792966c8c3131453b417c6f10033f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b8e5eea7f0136700e7be06a6dc5d2ef73792966c8c3131453b417c6f10033f", kill_on_drop: false }`
[INFO] [stdout] 84b8e5eea7f0136700e7be06a6dc5d2ef73792966c8c3131453b417c6f10033f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 159e9d0eb646dcb743fbe976fc21cd018dcd542a7110d5a9f22b7ac4eac47af6
[INFO] running `Command { std: "docker" "start" "-a" "159e9d0eb646dcb743fbe976fc21cd018dcd542a7110d5a9f22b7ac4eac47af6", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "159e9d0eb646dcb743fbe976fc21cd018dcd542a7110d5a9f22b7ac4eac47af6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "159e9d0eb646dcb743fbe976fc21cd018dcd542a7110d5a9f22b7ac4eac47af6", kill_on_drop: false }`
[INFO] [stdout] 159e9d0eb646dcb743fbe976fc21cd018dcd542a7110d5a9f22b7ac4eac47af6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] d2604b9286e80eb4c7025a842426a73ecd0ee584bb4951a25a9802b0bc513475
[INFO] running `Command { std: "docker" "start" "-a" "d2604b9286e80eb4c7025a842426a73ecd0ee584bb4951a25a9802b0bc513475", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mutate v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutate-ad3e20a0b9545803)
[INFO] running `Command { std: "docker" "inspect" "d2604b9286e80eb4c7025a842426a73ecd0ee584bb4951a25a9802b0bc513475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2604b9286e80eb4c7025a842426a73ecd0ee584bb4951a25a9802b0bc513475", kill_on_drop: false }`
[INFO] [stdout] d2604b9286e80eb4c7025a842426a73ecd0ee584bb4951a25a9802b0bc513475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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] 22486f8fc7bf2a64b8bd37c59d63b2020e67bf5e9fe8b387e378006db82fbe74
[INFO] running `Command { std: "docker" "start" "-a" "22486f8fc7bf2a64b8bd37c59d63b2020e67bf5e9fe8b387e378006db82fbe74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.98s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutate-ad3e20a0b9545803)
[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]    Doc-tests mutate
[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" "22486f8fc7bf2a64b8bd37c59d63b2020e67bf5e9fe8b387e378006db82fbe74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22486f8fc7bf2a64b8bd37c59d63b2020e67bf5e9fe8b387e378006db82fbe74", kill_on_drop: false }`
[INFO] [stdout] 22486f8fc7bf2a64b8bd37c59d63b2020e67bf5e9fe8b387e378006db82fbe74