[INFO] fetching crate try-mutex 0.4.2...
[INFO] testing try-mutex-0.4.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate try-mutex 0.4.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate try-mutex 0.4.2
[INFO] finished tweaking crates.io crate try-mutex 0.4.2
[INFO] tweaked toml for crates.io crate try-mutex 0.4.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate try-mutex 0.4.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f34c886e39ad5a6212d98f3c176b7d11568a179fbca08c34d7c6ebc64bb9082f
[INFO] running `Command { std: "docker" "start" "-a" "f34c886e39ad5a6212d98f3c176b7d11568a179fbca08c34d7c6ebc64bb9082f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f34c886e39ad5a6212d98f3c176b7d11568a179fbca08c34d7c6ebc64bb9082f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f34c886e39ad5a6212d98f3c176b7d11568a179fbca08c34d7c6ebc64bb9082f", kill_on_drop: false }`
[INFO] [stdout] f34c886e39ad5a6212d98f3c176b7d11568a179fbca08c34d7c6ebc64bb9082f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a2e01dcda7c3c2bac8f7cc4a8507e883fe7fa7c0ff15299da1c3baf7d1a66e1
[INFO] running `Command { std: "docker" "start" "-a" "3a2e01dcda7c3c2bac8f7cc4a8507e883fe7fa7c0ff15299da1c3baf7d1a66e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling try-mutex v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "3a2e01dcda7c3c2bac8f7cc4a8507e883fe7fa7c0ff15299da1c3baf7d1a66e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2e01dcda7c3c2bac8f7cc4a8507e883fe7fa7c0ff15299da1c3baf7d1a66e1", kill_on_drop: false }`
[INFO] [stdout] 3a2e01dcda7c3c2bac8f7cc4a8507e883fe7fa7c0ff15299da1c3baf7d1a66e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83849489250fa8b163d844d85bae7a23d91a627d0ad194568000da5518d44638
[INFO] running `Command { std: "docker" "start" "-a" "83849489250fa8b163d844d85bae7a23d91a627d0ad194568000da5518d44638", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling criterion-plot v0.4.5
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling csv v1.3.1
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling criterion v0.3.6
[INFO] [stderr]    Compiling try-mutex v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.82s
[INFO] running `Command { std: "docker" "inspect" "83849489250fa8b163d844d85bae7a23d91a627d0ad194568000da5518d44638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83849489250fa8b163d844d85bae7a23d91a627d0ad194568000da5518d44638", kill_on_drop: false }`
[INFO] [stdout] 83849489250fa8b163d844d85bae7a23d91a627d0ad194568000da5518d44638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd1d6475121dedd69dd1da46742ba30869ef0d571fc4b2a31a2c5d30a517ce87
[INFO] running `Command { std: "docker" "start" "-a" "cd1d6475121dedd69dd1da46742ba30869ef0d571fc4b2a31a2c5d30a517ce87", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/try_mutex-7c4ebe58160a6e56)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-e184884064194a96)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests try_mutex
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test debug_print ... ok
[INFO] [stdout] test debug_print_guard ... ok
[INFO] [stdout] test get_mut ... ok
[INFO] [stdout] test only_one_lock ... ok
[INFO] [stdout] test single_thread ... ok
[INFO] [stdout] test across_threads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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" "cd1d6475121dedd69dd1da46742ba30869ef0d571fc4b2a31a2c5d30a517ce87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd1d6475121dedd69dd1da46742ba30869ef0d571fc4b2a31a2c5d30a517ce87", kill_on_drop: false }`
[INFO] [stdout] cd1d6475121dedd69dd1da46742ba30869ef0d571fc4b2a31a2c5d30a517ce87