[INFO] fetching crate mutex 1.0.2...
[INFO] testing mutex-1.0.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate mutex 1.0.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mutex 1.0.2
[INFO] finished tweaking crates.io crate mutex 1.0.2
[INFO] tweaked toml for crates.io crate mutex 1.0.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutex 1.0.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mutex 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa739fb970dfd27f6a2cca0935f3d51921ef8a861ceb6f2d014cc2798ea38b77
[INFO] running `Command { std: "docker" "start" "-a" "aa739fb970dfd27f6a2cca0935f3d51921ef8a861ceb6f2d014cc2798ea38b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa739fb970dfd27f6a2cca0935f3d51921ef8a861ceb6f2d014cc2798ea38b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa739fb970dfd27f6a2cca0935f3d51921ef8a861ceb6f2d014cc2798ea38b77", kill_on_drop: false }`
[INFO] [stdout] aa739fb970dfd27f6a2cca0935f3d51921ef8a861ceb6f2d014cc2798ea38b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db4c12629feedecc3bc2f33fb2836c1b4ee5b5ba19c1ef1fe458ff7a10223fea
[INFO] running `Command { std: "docker" "start" "-a" "db4c12629feedecc3bc2f33fb2836c1b4ee5b5ba19c1ef1fe458ff7a10223fea", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling mutex-traits v1.0.1
[INFO] [stderr]    Compiling critical-section v1.1.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "db4c12629feedecc3bc2f33fb2836c1b4ee5b5ba19c1ef1fe458ff7a10223fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4c12629feedecc3bc2f33fb2836c1b4ee5b5ba19c1ef1fe458ff7a10223fea", kill_on_drop: false }`
[INFO] [stdout] db4c12629feedecc3bc2f33fb2836c1b4ee5b5ba19c1ef1fe458ff7a10223fea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c5d065d58aa0b47b84f96a708c1c4cf5373fdb0cf91d1d9492d4f3e7d054ef3
[INFO] running `Command { std: "docker" "start" "-a" "0c5d065d58aa0b47b84f96a708c1c4cf5373fdb0cf91d1d9492d4f3e7d054ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "0c5d065d58aa0b47b84f96a708c1c4cf5373fdb0cf91d1d9492d4f3e7d054ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5d065d58aa0b47b84f96a708c1c4cf5373fdb0cf91d1d9492d4f3e7d054ef3", kill_on_drop: false }`
[INFO] [stdout] 0c5d065d58aa0b47b84f96a708c1c4cf5373fdb0cf91d1d9492d4f3e7d054ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 860b7014dcb50c01e119b38a5e08950eae5705cfac4ca5d1a2820fe5e9d2dbed
[INFO] running `Command { std: "docker" "start" "-a" "860b7014dcb50c01e119b38a5e08950eae5705cfac4ca5d1a2820fe5e9d2dbed", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mutex-c0da14d5800324a4)
[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 mutex
[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" "860b7014dcb50c01e119b38a5e08950eae5705cfac4ca5d1a2820fe5e9d2dbed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860b7014dcb50c01e119b38a5e08950eae5705cfac4ca5d1a2820fe5e9d2dbed", kill_on_drop: false }`
[INFO] [stdout] 860b7014dcb50c01e119b38a5e08950eae5705cfac4ca5d1a2820fe5e9d2dbed