[INFO] cloning repository https://github.com/wulawulu/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/wulawulu/02-concurrency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwulawulu%2F02-concurrency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwulawulu%2F02-concurrency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 901e199f9cbc275e0d333d9583ed344d1cdd94c1
[INFO] testing wulawulu/02-concurrency against beta-2025-04-13 for beta-1.87-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwulawulu%2F02-concurrency" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wulawulu/02-concurrency on toolchain beta-2025-04-13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wulawulu/02-concurrency
[INFO] finished tweaking git repo https://github.com/wulawulu/02-concurrency
[INFO] tweaked toml for git repo https://github.com/wulawulu/02-concurrency written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wulawulu/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" "+beta-2025-04-13" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5bf09808435e2d2c59c294d1a29494fd9cc2d625a89893b534d14f18eb5973c
[INFO] running `Command { std: "docker" "start" "-a" "c5bf09808435e2d2c59c294d1a29494fd9cc2d625a89893b534d14f18eb5973c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5bf09808435e2d2c59c294d1a29494fd9cc2d625a89893b534d14f18eb5973c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5bf09808435e2d2c59c294d1a29494fd9cc2d625a89893b534d14f18eb5973c", kill_on_drop: false }`
[INFO] [stdout] c5bf09808435e2d2c59c294d1a29494fd9cc2d625a89893b534d14f18eb5973c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c13ccd518d8a7fe891d68c789923e83edf1f1e052f8e32f0ed56845336df499a
[INFO] running `Command { std: "docker" "start" "-a" "c13ccd518d8a7fe891d68c789923e83edf1f1e052f8e32f0ed56845336df499a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.166
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling oneshot v0.1.8
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.85s
[INFO] running `Command { std: "docker" "inspect" "c13ccd518d8a7fe891d68c789923e83edf1f1e052f8e32f0ed56845336df499a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13ccd518d8a7fe891d68c789923e83edf1f1e052f8e32f0ed56845336df499a", kill_on_drop: false }`
[INFO] [stdout] c13ccd518d8a7fe891d68c789923e83edf1f1e052f8e32f0ed56845336df499a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a7ba2ca88e3ca6dd803e3acce84a5712bda15587c10532d422402c32247746
[INFO] running `Command { std: "docker" "start" "-a" "28a7ba2ca88e3ca6dd803e3acce84a5712bda15587c10532d422402c32247746", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "28a7ba2ca88e3ca6dd803e3acce84a5712bda15587c10532d422402c32247746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a7ba2ca88e3ca6dd803e3acce84a5712bda15587c10532d422402c32247746", kill_on_drop: false }`
[INFO] [stdout] 28a7ba2ca88e3ca6dd803e3acce84a5712bda15587c10532d422402c32247746
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-04-13" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8775a236447416ddd232603839c67472a8dd5a77fd3e3973e5a26775439c5bc
[INFO] running `Command { std: "docker" "start" "-a" "d8775a236447416ddd232603839c67472a8dd5a77fd3e3973e5a26775439c5bc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/concurrency-61b8fc0d65985cf3)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test matrix::tests::test_matrix_multiply ... ok
[INFO] [stdout] test matrix::tests::test_matrix_display ... ok
[INFO] [stdout] test matrix::tests::test_a_can_not_multiply_b ... ok
[INFO] [stdout] test matrix::tests::test_a_can_not_multiply_b_panic - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency-620a3f45dbc9fe2b)
[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 concurrency
[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" "d8775a236447416ddd232603839c67472a8dd5a77fd3e3973e5a26775439c5bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8775a236447416ddd232603839c67472a8dd5a77fd3e3973e5a26775439c5bc", kill_on_drop: false }`
[INFO] [stdout] d8775a236447416ddd232603839c67472a8dd5a77fd3e3973e5a26775439c5bc