[INFO] fetching crate str_split_mut 0.4.1...
[INFO] testing str_split_mut-0.4.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate str_split_mut 0.4.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate str_split_mut 0.4.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate str_split_mut 0.4.1
[INFO] finished tweaking crates.io crate str_split_mut 0.4.1
[INFO] tweaked toml for crates.io crate str_split_mut 0.4.1 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37c50dbacb7153625450f275c376cd8b7a1707f729dc3223d3d9c2a02d2879ea
[INFO] running `Command { std: "docker" "start" "-a" "37c50dbacb7153625450f275c376cd8b7a1707f729dc3223d3d9c2a02d2879ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37c50dbacb7153625450f275c376cd8b7a1707f729dc3223d3d9c2a02d2879ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c50dbacb7153625450f275c376cd8b7a1707f729dc3223d3d9c2a02d2879ea", kill_on_drop: false }`
[INFO] [stdout] 37c50dbacb7153625450f275c376cd8b7a1707f729dc3223d3d9c2a02d2879ea
[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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8bd77b99772f33f32043549f2b8a3e6dcb200baa0b5a299ba6fc221104d80ff
[INFO] running `Command { std: "docker" "start" "-a" "f8bd77b99772f33f32043549f2b8a3e6dcb200baa0b5a299ba6fc221104d80ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling str_split_mut v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "f8bd77b99772f33f32043549f2b8a3e6dcb200baa0b5a299ba6fc221104d80ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bd77b99772f33f32043549f2b8a3e6dcb200baa0b5a299ba6fc221104d80ff", kill_on_drop: false }`
[INFO] [stdout] f8bd77b99772f33f32043549f2b8a3e6dcb200baa0b5a299ba6fc221104d80ff
[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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5f2736dbfc5d40fb85ad96a28dd23a8c2ceee85b80bda85da8d21a038cfd0ff
[INFO] running `Command { std: "docker" "start" "-a" "b5f2736dbfc5d40fb85ad96a28dd23a8c2ceee85b80bda85da8d21a038cfd0ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling str_split_mut v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "b5f2736dbfc5d40fb85ad96a28dd23a8c2ceee85b80bda85da8d21a038cfd0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5f2736dbfc5d40fb85ad96a28dd23a8c2ceee85b80bda85da8d21a038cfd0ff", kill_on_drop: false }`
[INFO] [stdout] b5f2736dbfc5d40fb85ad96a28dd23a8c2ceee85b80bda85da8d21a038cfd0ff
[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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 539899d1eb409d96b2a89a60ad32fe0b3c476d5dadedafcec012fb4a247c4bd1
[INFO] running `Command { std: "docker" "start" "-a" "539899d1eb409d96b2a89a60ad32fe0b3c476d5dadedafcec012fb4a247c4bd1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/str_split_mut-c4f44eda08126d66)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::a ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests str_split_mut
[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" "539899d1eb409d96b2a89a60ad32fe0b3c476d5dadedafcec012fb4a247c4bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539899d1eb409d96b2a89a60ad32fe0b3c476d5dadedafcec012fb4a247c4bd1", kill_on_drop: false }`
[INFO] [stdout] 539899d1eb409d96b2a89a60ad32fe0b3c476d5dadedafcec012fb4a247c4bd1