[INFO] cloning repository https://github.com/pjkfckr/semaphore
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pjkfckr/semaphore" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjkfckr%2Fsemaphore", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjkfckr%2Fsemaphore'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64dc1d200318153829042cf9923d63045cfc891e
[INFO] testing pjkfckr/semaphore against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759-retry3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjkfckr%2Fsemaphore" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pjkfckr/semaphore
[INFO] finished tweaking git repo https://github.com/pjkfckr/semaphore
[INFO] tweaked toml for git repo https://github.com/pjkfckr/semaphore written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pjkfckr/semaphore on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pjkfckr/semaphore 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a44e16a4a50fa5937f64a44c1031a17b694b24952a30a7d546be95317cb3642
[INFO] running `Command { std: "docker" "start" "-a" "1a44e16a4a50fa5937f64a44c1031a17b694b24952a30a7d546be95317cb3642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a44e16a4a50fa5937f64a44c1031a17b694b24952a30a7d546be95317cb3642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a44e16a4a50fa5937f64a44c1031a17b694b24952a30a7d546be95317cb3642", kill_on_drop: false }`
[INFO] [stdout] 1a44e16a4a50fa5937f64a44c1031a17b694b24952a30a7d546be95317cb3642
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 077e21ce615a1be8fce8d8feb917bc9422d57212dbe422a00ee6855d1a74cdbd
[INFO] running `Command { std: "docker" "start" "-a" "077e21ce615a1be8fce8d8feb917bc9422d57212dbe422a00ee6855d1a74cdbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "077e21ce615a1be8fce8d8feb917bc9422d57212dbe422a00ee6855d1a74cdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "077e21ce615a1be8fce8d8feb917bc9422d57212dbe422a00ee6855d1a74cdbd", kill_on_drop: false }`
[INFO] [stdout] 077e21ce615a1be8fce8d8feb917bc9422d57212dbe422a00ee6855d1a74cdbd
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6feebad9082e0c1e977bd3fa8e7cac39e86a9ebe947c4c6d67c3b282e23786e2
[INFO] running `Command { std: "docker" "start" "-a" "6feebad9082e0c1e977bd3fa8e7cac39e86a9ebe947c4c6d67c3b282e23786e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "6feebad9082e0c1e977bd3fa8e7cac39e86a9ebe947c4c6d67c3b282e23786e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6feebad9082e0c1e977bd3fa8e7cac39e86a9ebe947c4c6d67c3b282e23786e2", kill_on_drop: false }`
[INFO] [stdout] 6feebad9082e0c1e977bd3fa8e7cac39e86a9ebe947c4c6d67c3b282e23786e2
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 486d047f0c85f6a2e2954c4b0c9634bc484ca4445d937514a2fd54c7d5f53fd6
[INFO] running `Command { std: "docker" "start" "-a" "486d047f0c85f6a2e2954c4b0c9634bc484ca4445d937514a2fd54c7d5f53fd6", 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/concurrency_project-86461e8e8c77d33c)
[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]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency_project-624002d802886c81)
[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]      Running tests/binary_semaphore_tests.rs (/opt/rustwide/target/debug/deps/binary_semaphore_tests-4faf3d0ddf922302)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test binary_semaphore_tests::test_binary_semaphore_multiple_release ... ok
[INFO] [stdout] test binary_semaphore_tests::test_binary_semaphore_fairness ... ok
[INFO] [stdout] test binary_semaphore_tests::test_binary_semaphore_mutual_exclusion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.32s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/counting_semaphore_tests.rs (/opt/rustwide/target/debug/deps/counting_semaphore_tests-bf83dcf442181407)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test counting_semaphore_tests::test_counting_semaphore_multiple_release ... ok
[INFO] [stdout] test counting_semaphore_tests::test_counting_semaphore_zero_init ... ok
[INFO] [stdout] test counting_semaphore_tests::test_counting_semaphore_multiple_resources ... ok
[INFO] [stderr]      Running tests/semaphore_timing_tests.rs (/opt/rustwide/target/debug/deps/semaphore_timing_tests-6361330c685f3a9e)
[INFO] [stdout] test counting_semaphore_tests::test_counting_semaphore_concurrency ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.32s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test semaphore_tests::test_strong_semaphore_timing ... ok
[INFO] [stdout] test semaphore_tests::test_counting_semaphore_timing ... ok
[INFO] [stdout] test semaphore_tests::test_weak_semaphore_timing ... ok
[INFO] [stderr]      Running tests/strong_semaphore_tests.rs (/opt/rustwide/target/debug/deps/strong_semaphore_tests-cb62c2d765bdfc39)
[INFO] [stdout] test semaphore_tests::test_binary_semaphore_timing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test strong_semaphore_tests::test_strong_semaphore_order ... ok
[INFO] [stdout] test strong_semaphore_tests::test_strong_semaphore_zero_init ... ok
[INFO] [stdout] test strong_semaphore_tests::test_strong_semaphore_multiple_permits ... ok
[INFO] [stdout] test strong_semaphore_tests::test_strong_semaphore_concurrency ... ok
[INFO] [stderr]      Running tests/weak_semaphore_tests.rs (/opt/rustwide/target/debug/deps/weak_semaphore_tests-09a16de0d70debf8)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.99s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test weak_semaphore_tests::test_weak_semaphore_fairness ... ok
[INFO] [stdout] test weak_semaphore_tests::test_weak_semaphore_concurrency ... ok
[INFO] [stdout] test weak_semaphore_tests::test_weak_semaphore_zero_init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests concurrency_project
[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" "486d047f0c85f6a2e2954c4b0c9634bc484ca4445d937514a2fd54c7d5f53fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486d047f0c85f6a2e2954c4b0c9634bc484ca4445d937514a2fd54c7d5f53fd6", kill_on_drop: false }`
[INFO] [stdout] 486d047f0c85f6a2e2954c4b0c9634bc484ca4445d937514a2fd54c7d5f53fd6