[INFO] fetching crate blocking 1.0.2...
[INFO] testing blocking-1.0.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate blocking 1.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate blocking 1.0.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate blocking 1.0.2
[INFO] finished tweaking crates.io crate blocking 1.0.2
[INFO] tweaked toml for crates.io crate blocking 1.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate blocking 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-task v4.0.2
[INFO] [stderr]   Downloaded futures-lite v1.11.0
[INFO] [stderr]   Downloaded event-listener v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b16d8190f77f1a8196b2dfaa084b8168f1310018e987418d8ee911f4d7364cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b16d8190f77f1a8196b2dfaa084b8168f1310018e987418d8ee911f4d7364cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b16d8190f77f1a8196b2dfaa084b8168f1310018e987418d8ee911f4d7364cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b16d8190f77f1a8196b2dfaa084b8168f1310018e987418d8ee911f4d7364cf", kill_on_drop: false }`
[INFO] [stdout] 0b16d8190f77f1a8196b2dfaa084b8168f1310018e987418d8ee911f4d7364cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a51b6b7327d88a3b7bc017b5b0e5ce1747b20156be3bd49ff67c97425cd5ca14
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a51b6b7327d88a3b7bc017b5b0e5ce1747b20156be3bd49ff67c97425cd5ca14", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.7
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling event-listener v2.4.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-task v4.0.2
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-channel v1.4.0
[INFO] [stderr]    Compiling futures-lite v1.11.0
[INFO] [stderr]    Compiling blocking v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
[INFO] running `Command { std: "docker" "inspect" "a51b6b7327d88a3b7bc017b5b0e5ce1747b20156be3bd49ff67c97425cd5ca14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51b6b7327d88a3b7bc017b5b0e5ce1747b20156be3bd49ff67c97425cd5ca14", kill_on_drop: false }`
[INFO] [stdout] a51b6b7327d88a3b7bc017b5b0e5ce1747b20156be3bd49ff67c97425cd5ca14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ffd425f6ff5a468f3d1d08bc1fd28d6075b62a6fa46ba17e21b6e47f31e54545
[INFO] running `Command { std: "docker" "start" "-a" "ffd425f6ff5a468f3d1d08bc1fd28d6075b62a6fa46ba17e21b6e47f31e54545", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocking v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.00s
[INFO] running `Command { std: "docker" "inspect" "ffd425f6ff5a468f3d1d08bc1fd28d6075b62a6fa46ba17e21b6e47f31e54545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd425f6ff5a468f3d1d08bc1fd28d6075b62a6fa46ba17e21b6e47f31e54545", kill_on_drop: false }`
[INFO] [stdout] ffd425f6ff5a468f3d1d08bc1fd28d6075b62a6fa46ba17e21b6e47f31e54545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 389817246c053609d07f48535a41b36210f2afaf1ccf92621c0cdbad95665b6d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "389817246c053609d07f48535a41b36210f2afaf1ccf92621c0cdbad95665b6d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[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 (/opt/rustwide/target/debug/deps/blocking-12fcd672e3f17ded)
[INFO] [stderr]      Running tests/unblock.rs (/opt/rustwide/target/debug/deps/unblock-36152e411c2cae1f)
[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 5.68s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blocking
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - (line 66) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 35) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::new (line 316) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 23) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_mut (line 393) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::with_capacity (line 342) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::into_inner (line 445) - compile ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 221) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock<T>::get_mut (line 361) - compile ... ok
[INFO] [stdout] test src/lib.rs - unblock (line 232) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 51) - compile ... ok
[INFO] [stdout] test src/lib.rs - Unblock (line 296) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "389817246c053609d07f48535a41b36210f2afaf1ccf92621c0cdbad95665b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389817246c053609d07f48535a41b36210f2afaf1ccf92621c0cdbad95665b6d", kill_on_drop: false }`
[INFO] [stdout] 389817246c053609d07f48535a41b36210f2afaf1ccf92621c0cdbad95665b6d