[INFO] fetching crate mtxgroup 0.1.1...
[INFO] testing mtxgroup-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mtxgroup 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate mtxgroup 0.1.1
[INFO] finished tweaking crates.io crate mtxgroup 0.1.1
[INFO] tweaked toml for crates.io crate mtxgroup 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtxgroup 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding spin v0.9.8 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86cb36a1843fde8ed027c284cc2a98208114b279d9aa5c26b34311b77641fcff
[INFO] running `Command { std: "docker" "start" "-a" "86cb36a1843fde8ed027c284cc2a98208114b279d9aa5c26b34311b77641fcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86cb36a1843fde8ed027c284cc2a98208114b279d9aa5c26b34311b77641fcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cb36a1843fde8ed027c284cc2a98208114b279d9aa5c26b34311b77641fcff", kill_on_drop: false }`
[INFO] [stdout] 86cb36a1843fde8ed027c284cc2a98208114b279d9aa5c26b34311b77641fcff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99b8b7ebb088c80449608809a11629d43c2a3b6992d8fe83e7856eb325f64cf5
[INFO] running `Command { std: "docker" "start" "-a" "99b8b7ebb088c80449608809a11629d43c2a3b6992d8fe83e7856eb325f64cf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling mtxgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "99b8b7ebb088c80449608809a11629d43c2a3b6992d8fe83e7856eb325f64cf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b8b7ebb088c80449608809a11629d43c2a3b6992d8fe83e7856eb325f64cf5", kill_on_drop: false }`
[INFO] [stdout] 99b8b7ebb088c80449608809a11629d43c2a3b6992d8fe83e7856eb325f64cf5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdef90c166cd33ba7224f2ed3b78d24b76a5ec530917cbaaf972a2435f5b78f3
[INFO] running `Command { std: "docker" "start" "-a" "cdef90c166cd33ba7224f2ed3b78d24b76a5ec530917cbaaf972a2435f5b78f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtxgroup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "cdef90c166cd33ba7224f2ed3b78d24b76a5ec530917cbaaf972a2435f5b78f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdef90c166cd33ba7224f2ed3b78d24b76a5ec530917cbaaf972a2435f5b78f3", kill_on_drop: false }`
[INFO] [stdout] cdef90c166cd33ba7224f2ed3b78d24b76a5ec530917cbaaf972a2435f5b78f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39dee239245cd3b628196c64b3adca0ace7169f896ab9d097c544a8dda28f765
[INFO] running `Command { std: "docker" "start" "-a" "39dee239245cd3b628196c64b3adca0ace7169f896ab9d097c544a8dda28f765", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mtxgroup-734dbbd3061cf763)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_mutex_group_1 ... ok
[INFO] [stderr]    Doc-tests mtxgroup
[INFO] [stdout] test test::test_mutex_group_0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "39dee239245cd3b628196c64b3adca0ace7169f896ab9d097c544a8dda28f765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39dee239245cd3b628196c64b3adca0ace7169f896ab9d097c544a8dda28f765", kill_on_drop: false }`
[INFO] [stdout] 39dee239245cd3b628196c64b3adca0ace7169f896ab9d097c544a8dda28f765