[INFO] fetching crate thread-count 0.3.1...
[INFO] testing thread-count-0.3.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate thread-count 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate thread-count 0.3.1
[INFO] finished tweaking crates.io crate thread-count 0.3.1
[INFO] tweaked toml for crates.io crate thread-count 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate thread-count 0.3.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate thread-count 0.3.1 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mach2 v0.4.3
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.38.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.38.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.38.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.38.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.38.0
[INFO] [stderr]   Downloaded windows v0.38.0
[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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5847de15815330d93fa0452460cbd2dcebb47c4888b28f9cb506d1b8898bf46b
[INFO] running `Command { std: "docker" "start" "-a" "5847de15815330d93fa0452460cbd2dcebb47c4888b28f9cb506d1b8898bf46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5847de15815330d93fa0452460cbd2dcebb47c4888b28f9cb506d1b8898bf46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5847de15815330d93fa0452460cbd2dcebb47c4888b28f9cb506d1b8898bf46b", kill_on_drop: false }`
[INFO] [stdout] 5847de15815330d93fa0452460cbd2dcebb47c4888b28f9cb506d1b8898bf46b
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77570251f9d54b4860f019ce8938d8e7e7893b96c2eb638a75ecaaa63b6391b6
[INFO] running `Command { std: "docker" "start" "-a" "77570251f9d54b4860f019ce8938d8e7e7893b96c2eb638a75ecaaa63b6391b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-count v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "77570251f9d54b4860f019ce8938d8e7e7893b96c2eb638a75ecaaa63b6391b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77570251f9d54b4860f019ce8938d8e7e7893b96c2eb638a75ecaaa63b6391b6", kill_on_drop: false }`
[INFO] [stdout] 77570251f9d54b4860f019ce8938d8e7e7893b96c2eb638a75ecaaa63b6391b6
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52be9d269d621cc413262d3445e744502d7916f444180bec550298657846581a
[INFO] running `Command { std: "docker" "start" "-a" "52be9d269d621cc413262d3445e744502d7916f444180bec550298657846581a", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-count v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "52be9d269d621cc413262d3445e744502d7916f444180bec550298657846581a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52be9d269d621cc413262d3445e744502d7916f444180bec550298657846581a", kill_on_drop: false }`
[INFO] [stdout] 52be9d269d621cc413262d3445e744502d7916f444180bec550298657846581a
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cef832e849308a88f671ca96ee5ba6025ab7273e1af13928dca8630cf447f04e
[INFO] running `Command { std: "docker" "start" "-a" "cef832e849308a88f671ca96ee5ba6025ab7273e1af13928dca8630cf447f04e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/thread_count-2071ff012c10ad01)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::is_single_threaded ... ok
[INFO] [stdout] test tests::thread_count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests thread_count
[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" "cef832e849308a88f671ca96ee5ba6025ab7273e1af13928dca8630cf447f04e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef832e849308a88f671ca96ee5ba6025ab7273e1af13928dca8630cf447f04e", kill_on_drop: false }`
[INFO] [stdout] cef832e849308a88f671ca96ee5ba6025ab7273e1af13928dca8630cf447f04e