[INFO] fetching crate blocking 1.2.0...
[INFO] testing blocking-1.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate blocking 1.2.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate blocking 1.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blocking 1.2.0
[INFO] finished tweaking crates.io crate blocking 1.2.0
[INFO] tweaked toml for crates.io crate blocking 1.2.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate blocking 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33c666842adc703bcab2b967421aeb70bc37002de10b54a36c55612a1534f69a
[INFO] running `Command { std: "docker" "start" "-a" "33c666842adc703bcab2b967421aeb70bc37002de10b54a36c55612a1534f69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33c666842adc703bcab2b967421aeb70bc37002de10b54a36c55612a1534f69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33c666842adc703bcab2b967421aeb70bc37002de10b54a36c55612a1534f69a", kill_on_drop: false }`
[INFO] [stdout] 33c666842adc703bcab2b967421aeb70bc37002de10b54a36c55612a1534f69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c526a981da57ed5e828ece4483874a3ad3a8dfd47b17f4089cb94befc748ed99
[INFO] running `Command { std: "docker" "start" "-a" "c526a981da57ed5e828ece4483874a3ad3a8dfd47b17f4089cb94befc748ed99", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-task v4.2.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling blocking v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
[INFO] running `Command { std: "docker" "inspect" "c526a981da57ed5e828ece4483874a3ad3a8dfd47b17f4089cb94befc748ed99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c526a981da57ed5e828ece4483874a3ad3a8dfd47b17f4089cb94befc748ed99", kill_on_drop: false }`
[INFO] [stdout] c526a981da57ed5e828ece4483874a3ad3a8dfd47b17f4089cb94befc748ed99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1279f84a44416492ab892a3a31a9dd447e6b53c4eacdc16a0e54566aac4b9bd7
[INFO] running `Command { std: "docker" "start" "-a" "1279f84a44416492ab892a3a31a9dd447e6b53c4eacdc16a0e54566aac4b9bd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocking v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "1279f84a44416492ab892a3a31a9dd447e6b53c4eacdc16a0e54566aac4b9bd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1279f84a44416492ab892a3a31a9dd447e6b53c4eacdc16a0e54566aac4b9bd7", kill_on_drop: false }`
[INFO] [stdout] 1279f84a44416492ab892a3a31a9dd447e6b53c4eacdc16a0e54566aac4b9bd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a8ea7bb2ea645384296a0f39546a7ccd1c483f9686a3e92771607325deb881a
[INFO] running `Command { std: "docker" "start" "-a" "4a8ea7bb2ea645384296a0f39546a7ccd1c483f9686a3e92771607325deb881a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/blocking-ac66e5f49bf6f446)
[INFO] [stdout] test tests::test_max_threads ... ok
[INFO] [stderr]      Running tests/unblock.rs (/opt/rustwide/target/debug/deps/unblock-e1fc74614339dad6)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test seek ... ok
[INFO] [stdout] test sleep ... ok
[INFO] [stdout] test chan ... ok
[INFO] [stdout] test write ... ok
[INFO] [stdout] test read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.32s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blocking
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 38) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 69) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::new (line 349) - compile ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 254) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 26) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::into_inner (line 478) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_capacity (line 375) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 54) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_mut (line 426) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::get_mut (line 394) - compile ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 265) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock (line 329) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a8ea7bb2ea645384296a0f39546a7ccd1c483f9686a3e92771607325deb881a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a8ea7bb2ea645384296a0f39546a7ccd1c483f9686a3e92771607325deb881a", kill_on_drop: false }`
[INFO] [stdout] 4a8ea7bb2ea645384296a0f39546a7ccd1c483f9686a3e92771607325deb881a