[INFO] fetching crate spinwait 0.1.3...
[INFO] testing spinwait-0.1.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate spinwait 0.1.3 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate spinwait 0.1.3
[INFO] finished tweaking crates.io crate spinwait 0.1.3
[INFO] tweaked toml for crates.io crate spinwait 0.1.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spinwait 0.1.3 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 crates.io crate spinwait 0.1.3 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b60854b0f22bdd2ddd3d5baac9e7c47caef6c94277d480e6dfaa749c988c0741
[INFO] running `Command { std: "docker" "start" "-a" "b60854b0f22bdd2ddd3d5baac9e7c47caef6c94277d480e6dfaa749c988c0741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60854b0f22bdd2ddd3d5baac9e7c47caef6c94277d480e6dfaa749c988c0741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60854b0f22bdd2ddd3d5baac9e7c47caef6c94277d480e6dfaa749c988c0741", kill_on_drop: false }`
[INFO] [stdout] b60854b0f22bdd2ddd3d5baac9e7c47caef6c94277d480e6dfaa749c988c0741
[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=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] 7e92f9627cff5b08bd090c5ca9900da34616eb8074a88b2c5b1710a44687be75
[INFO] running `Command { std: "docker" "start" "-a" "7e92f9627cff5b08bd090c5ca9900da34616eb8074a88b2c5b1710a44687be75", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling spinwait v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "7e92f9627cff5b08bd090c5ca9900da34616eb8074a88b2c5b1710a44687be75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e92f9627cff5b08bd090c5ca9900da34616eb8074a88b2c5b1710a44687be75", kill_on_drop: false }`
[INFO] [stdout] 7e92f9627cff5b08bd090c5ca9900da34616eb8074a88b2c5b1710a44687be75
[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=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] 6ae021296a5a5f116885f1853e6fda1772e0d7b7da66867bcaf79faa9d92e213
[INFO] running `Command { std: "docker" "start" "-a" "6ae021296a5a5f116885f1853e6fda1772e0d7b7da66867bcaf79faa9d92e213", kill_on_drop: false }`
[INFO] [stderr]    Compiling spinwait v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "6ae021296a5a5f116885f1853e6fda1772e0d7b7da66867bcaf79faa9d92e213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae021296a5a5f116885f1853e6fda1772e0d7b7da66867bcaf79faa9d92e213", kill_on_drop: false }`
[INFO] [stdout] 6ae021296a5a5f116885f1853e6fda1772e0d7b7da66867bcaf79faa9d92e213
[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=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] 6850cb1e026be09ad112d922751f1b0550c95176e236f06f4086d6763f0ca069
[INFO] running `Command { std: "docker" "start" "-a" "6850cb1e026be09ad112d922751f1b0550c95176e236f06f4086d6763f0ca069", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spinwait-94aba9d9b5484046)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_reset_clears_count ... ok
[INFO] [stdout] test tests::test_spin_once_increments_count ... ok
[INFO] [stdout] test tests::test_next_spin_will_yield ... ok
[INFO] [stdout] test tests::test_spin_until ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spinwait
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SpinWait::spin_until (line 79) has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6850cb1e026be09ad112d922751f1b0550c95176e236f06f4086d6763f0ca069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6850cb1e026be09ad112d922751f1b0550c95176e236f06f4086d6763f0ca069", kill_on_drop: false }`
[INFO] [stdout] 6850cb1e026be09ad112d922751f1b0550c95176e236f06f4086d6763f0ca069