[INFO] cloning repository https://github.com/websiteyu/02-concurrency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/websiteyu/02-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebsiteyu%2F02-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebsiteyu%2F02-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 606a1f69645d036e0a9890eb97bf4130d5ac4160
[INFO] testing websiteyu/02-concurrency against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebsiteyu%2F02-concurrency" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/websiteyu/02-concurrency
[INFO] finished tweaking git repo https://github.com/websiteyu/02-concurrency
[INFO] tweaked toml for git repo https://github.com/websiteyu/02-concurrency written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/websiteyu/02-concurrency 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 git repo https://github.com/websiteyu/02-concurrency 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 84a38608d8722bb64055b8d166a26a3b7c5aca5d97e75e775afec9f29f6a6e30
[INFO] running `Command { std: "docker" "start" "-a" "84a38608d8722bb64055b8d166a26a3b7c5aca5d97e75e775afec9f29f6a6e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84a38608d8722bb64055b8d166a26a3b7c5aca5d97e75e775afec9f29f6a6e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84a38608d8722bb64055b8d166a26a3b7c5aca5d97e75e775afec9f29f6a6e30", kill_on_drop: false }`
[INFO] [stdout] 84a38608d8722bb64055b8d166a26a3b7c5aca5d97e75e775afec9f29f6a6e30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] edf750ee8bd4969cd12403fd0c0fb65492f3d13a1cf3973dc6abf139c144d9a7
[INFO] running `Command { std: "docker" "start" "-a" "edf750ee8bd4969cd12403fd0c0fb65492f3d13a1cf3973dc6abf139c144d9a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling oneshot v0.1.6
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling socket2 v0.5.9
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling dashmap v6.0.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v2.0.61
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.33s
[INFO] running `Command { std: "docker" "inspect" "edf750ee8bd4969cd12403fd0c0fb65492f3d13a1cf3973dc6abf139c144d9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edf750ee8bd4969cd12403fd0c0fb65492f3d13a1cf3973dc6abf139c144d9a7", kill_on_drop: false }`
[INFO] [stdout] edf750ee8bd4969cd12403fd0c0fb65492f3d13a1cf3973dc6abf139c144d9a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 431e366e7cab4fbabf27a39ca96c5a81ed050979c85e44cf109151d98b5c61f1
[INFO] running `Command { std: "docker" "start" "-a" "431e366e7cab4fbabf27a39ca96c5a81ed050979c85e44cf109151d98b5c61f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "431e366e7cab4fbabf27a39ca96c5a81ed050979c85e44cf109151d98b5c61f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431e366e7cab4fbabf27a39ca96c5a81ed050979c85e44cf109151d98b5c61f1", kill_on_drop: false }`
[INFO] [stdout] 431e366e7cab4fbabf27a39ca96c5a81ed050979c85e44cf109151d98b5c61f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2756b7ca28a12bac30f56e2c28a2dd4d558ed7fb69debc4cf8de3a4c596bc942
[INFO] running `Command { std: "docker" "start" "-a" "2756b7ca28a12bac30f56e2c28a2dd4d558ed7fb69debc4cf8de3a4c596bc942", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/concurrency-9ed03a7e62927f45)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test matrix::tests::test_matrix_multiply ... ok
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency-6ae972811740c675)
[INFO] [stderr]    Doc-tests concurrency
[INFO] [stdout] test matrix::tests::test_a_can_not_multiply_b - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[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] [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" "2756b7ca28a12bac30f56e2c28a2dd4d558ed7fb69debc4cf8de3a4c596bc942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2756b7ca28a12bac30f56e2c28a2dd4d558ed7fb69debc4cf8de3a4c596bc942", kill_on_drop: false }`
[INFO] [stdout] 2756b7ca28a12bac30f56e2c28a2dd4d558ed7fb69debc4cf8de3a4c596bc942