[INFO] cloning repository https://github.com/ekovalev/rust_concurrency_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ekovalev/rust_concurrency_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekovalev%2Frust_concurrency_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekovalev%2Frust_concurrency_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3debcbda4f42ec641d94d14d2b124f1c7e79fa3
[INFO] testing ekovalev/rust_concurrency_test against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fekovalev%2Frust_concurrency_test" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ekovalev/rust_concurrency_test 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 git repo https://github.com/ekovalev/rust_concurrency_test
[INFO] finished tweaking git repo https://github.com/ekovalev/rust_concurrency_test
[INFO] tweaked toml for git repo https://github.com/ekovalev/rust_concurrency_test written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/ekovalev/rust_concurrency_test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] c7c618a751ebcb981351b01c6a3e152a00955183664dbc137133810f902ddeda
[INFO] running `Command { std: "docker" "start" "-a" "c7c618a751ebcb981351b01c6a3e152a00955183664dbc137133810f902ddeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7c618a751ebcb981351b01c6a3e152a00955183664dbc137133810f902ddeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c618a751ebcb981351b01c6a3e152a00955183664dbc137133810f902ddeda", kill_on_drop: false }`
[INFO] [stdout] c7c618a751ebcb981351b01c6a3e152a00955183664dbc137133810f902ddeda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 60e54670155a7bda1553144720a084c3f23fc56152488a90d3a16f588bf50f47
[INFO] running `Command { std: "docker" "start" "-a" "60e54670155a7bda1553144720a084c3f23fc56152488a90d3a16f588bf50f47", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling rust-concurrency-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.63s
[INFO] running `Command { std: "docker" "inspect" "60e54670155a7bda1553144720a084c3f23fc56152488a90d3a16f588bf50f47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e54670155a7bda1553144720a084c3f23fc56152488a90d3a16f588bf50f47", kill_on_drop: false }`
[INFO] [stdout] 60e54670155a7bda1553144720a084c3f23fc56152488a90d3a16f588bf50f47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 804cdafb7fe3e28be4eebabbecef711bf12d4d3c0f390362e13e1193d223c3ac
[INFO] running `Command { std: "docker" "start" "-a" "804cdafb7fe3e28be4eebabbecef711bf12d4d3c0f390362e13e1193d223c3ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-concurrency-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_concurrency_test-052a4bdfe8f20f6d)
[INFO] running `Command { std: "docker" "inspect" "804cdafb7fe3e28be4eebabbecef711bf12d4d3c0f390362e13e1193d223c3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "804cdafb7fe3e28be4eebabbecef711bf12d4d3c0f390362e13e1193d223c3ac", kill_on_drop: false }`
[INFO] [stdout] 804cdafb7fe3e28be4eebabbecef711bf12d4d3c0f390362e13e1193d223c3ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 4e4960afedf8313da1a408f19690d32dc0740adf9998c0fa7f7078cd455e0fe0
[INFO] running `Command { std: "docker" "start" "-a" "4e4960afedf8313da1a408f19690d32dc0740adf9998c0fa7f7078cd455e0fe0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_concurrency_test-052a4bdfe8f20f6d)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_single_threaded_computations ... ok
[INFO] [stdout] test tests::test_multi_threaded_computations ... ok
[INFO] [stderr]    Doc-tests rust-concurrency-test
[INFO] [stdout] test tests::test_timing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.23s
[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" "4e4960afedf8313da1a408f19690d32dc0740adf9998c0fa7f7078cd455e0fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4960afedf8313da1a408f19690d32dc0740adf9998c0fa7f7078cd455e0fe0", kill_on_drop: false }`
[INFO] [stdout] 4e4960afedf8313da1a408f19690d32dc0740adf9998c0fa7f7078cd455e0fe0