[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#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759-retry2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjkfckr%2Fsemaphore" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pjkfckr/semaphore on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b086a93f575f02fbb894d8e14ab7a485fd072f050e28741fbd64e03e80857c9d
[INFO] running `Command { std: "docker" "start" "-a" "b086a93f575f02fbb894d8e14ab7a485fd072f050e28741fbd64e03e80857c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b086a93f575f02fbb894d8e14ab7a485fd072f050e28741fbd64e03e80857c9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b086a93f575f02fbb894d8e14ab7a485fd072f050e28741fbd64e03e80857c9d", kill_on_drop: false }`
[INFO] [stdout] b086a93f575f02fbb894d8e14ab7a485fd072f050e28741fbd64e03e80857c9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acb9d35fd0a7cb18d5606c5ff67794754edb016ba2d8d16100cd82a2b2023953
[INFO] running `Command { std: "docker" "start" "-a" "acb9d35fd0a7cb18d5606c5ff67794754edb016ba2d8d16100cd82a2b2023953", 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 1.09s
[INFO] running `Command { std: "docker" "inspect" "acb9d35fd0a7cb18d5606c5ff67794754edb016ba2d8d16100cd82a2b2023953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb9d35fd0a7cb18d5606c5ff67794754edb016ba2d8d16100cd82a2b2023953", kill_on_drop: false }`
[INFO] [stdout] acb9d35fd0a7cb18d5606c5ff67794754edb016ba2d8d16100cd82a2b2023953
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52a4b3f6c055e660e407c886e5cc0aaf86303bc3c079fc4620bbb6f33e0449db
[INFO] running `Command { std: "docker" "start" "-a" "52a4b3f6c055e660e407c886e5cc0aaf86303bc3c079fc4620bbb6f33e0449db", 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 4.96s
[INFO] running `Command { std: "docker" "inspect" "52a4b3f6c055e660e407c886e5cc0aaf86303bc3c079fc4620bbb6f33e0449db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a4b3f6c055e660e407c886e5cc0aaf86303bc3c079fc4620bbb6f33e0449db", kill_on_drop: false }`
[INFO] [stdout] 52a4b3f6c055e660e407c886e5cc0aaf86303bc3c079fc4620bbb6f33e0449db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2b41b78b36066ec8273b21cc7747b679cfa2375a1a6cafb6fe49f29740ba18d
[INFO] running `Command { std: "docker" "start" "-a" "d2b41b78b36066ec8273b21cc7747b679cfa2375a1a6cafb6fe49f29740ba18d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/concurrency_project-86461e8e8c77d33c)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency_project-624002d802886c81)
[INFO] [stderr]      Running tests/binary_semaphore_tests.rs (/opt/rustwide/target/debug/deps/binary_semaphore_tests-4faf3d0ddf922302)
[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] [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 5.42s
[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 5.77s
[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] [stdout] test semaphore_tests::test_binary_semaphore_timing ... ok
[INFO] [stderr]      Running tests/strong_semaphore_tests.rs (/opt/rustwide/target/debug/deps/strong_semaphore_tests-cb62c2d765bdfc39)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[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] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running tests/weak_semaphore_tests.rs (/opt/rustwide/target/debug/deps/weak_semaphore_tests-09a16de0d70debf8)
[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 0.11s
[INFO] [stderr]    Doc-tests concurrency_project
[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" "d2b41b78b36066ec8273b21cc7747b679cfa2375a1a6cafb6fe49f29740ba18d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2b41b78b36066ec8273b21cc7747b679cfa2375a1a6cafb6fe49f29740ba18d", kill_on_drop: false }`
[INFO] [stdout] d2b41b78b36066ec8273b21cc7747b679cfa2375a1a6cafb6fe49f29740ba18d