[INFO] fetching crate bus 2.2.3...
[INFO] testing bus-2.2.3 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate bus 2.2.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bus 2.2.3 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 bus 2.2.3
[INFO] finished tweaking crates.io crate bus 2.2.3
[INFO] tweaked toml for crates.io crate bus 2.2.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f536e0aca9c57ddb4b92dd59810c1f4bbc7a53fb29e45099eea3523fa1ff63d5
[INFO] running `Command { std: "docker" "start" "-a" "f536e0aca9c57ddb4b92dd59810c1f4bbc7a53fb29e45099eea3523fa1ff63d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f536e0aca9c57ddb4b92dd59810c1f4bbc7a53fb29e45099eea3523fa1ff63d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f536e0aca9c57ddb4b92dd59810c1f4bbc7a53fb29e45099eea3523fa1ff63d5", kill_on_drop: false }`
[INFO] [stdout] f536e0aca9c57ddb4b92dd59810c1f4bbc7a53fb29e45099eea3523fa1ff63d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4f116ef29917fe26be1bc14bc017861eacf2807e02c20f0bdbd672077bd89c18
[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" "4f116ef29917fe26be1bc14bc017861eacf2807e02c20f0bdbd672077bd89c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling atomic-option v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling bus v2.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "4f116ef29917fe26be1bc14bc017861eacf2807e02c20f0bdbd672077bd89c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f116ef29917fe26be1bc14bc017861eacf2807e02c20f0bdbd672077bd89c18", kill_on_drop: false }`
[INFO] [stdout] 4f116ef29917fe26be1bc14bc017861eacf2807e02c20f0bdbd672077bd89c18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] d76fa9afb28ee5ecb1fc60f7c0610bc48d1efc004857c3b1d3d76e4a06d06389
[INFO] running `Command { std: "docker" "start" "-a" "d76fa9afb28ee5ecb1fc60f7c0610bc48d1efc004857c3b1d3d76e4a06d06389", kill_on_drop: false }`
[INFO] [stderr]    Compiling bus v2.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "d76fa9afb28ee5ecb1fc60f7c0610bc48d1efc004857c3b1d3d76e4a06d06389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d76fa9afb28ee5ecb1fc60f7c0610bc48d1efc004857c3b1d3d76e4a06d06389", kill_on_drop: false }`
[INFO] [stdout] d76fa9afb28ee5ecb1fc60f7c0610bc48d1efc004857c3b1d3d76e4a06d06389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91b840e6669cd6ca01e8a806be9a4c26bb77c69eb6eca85dc0be42d5acd212d4
[INFO] running `Command { std: "docker" "start" "-a" "91b840e6669cd6ca01e8a806be9a4c26bb77c69eb6eca85dc0be42d5acd212d4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bus-723511aa9584fe72)
[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 tests/lib.rs (/opt/rustwide/target/debug/deps/lib-5af6094cc675633f)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test it_detects_closure ... ok
[INFO] [stdout] test it_fails_when_full ... ok
[INFO] [stdout] test it_handles_leaves ... ok
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test it_runs_blocked_writes ... ok
[INFO] [stdout] test it_succeeds_when_not_full ... ok
[INFO] [stdout] test it_reads_when_full ... ok
[INFO] [stdout] test it_iterates ... ok
[INFO] [stdout] test it_recvs_after_close ... ok
[INFO] [stdout] test it_fails_when_empty ... ok
[INFO] [stdout] test it_runs_blocked_reads ... ok
[INFO] [stdout] test it_can_count_to_10000 ... ok
[INFO] [stdout] test test_busy ... ok
[INFO] [stdout] test aggressive_iteration ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 9.96s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bus
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - BusReader (line 545) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - BusReader<T>::recv_timeout (line 743) ... ok
[INFO] [stdout] test src/lib.rs - BusReader<T>::try_recv (line 676) ... ok
[INFO] [stdout] test src/lib.rs - Bus<T>::try_broadcast (line 455) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - Bus<T>::add_rx (line 487) ... ok
[INFO] [stdout] test src/lib.rs - (line 65) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.67s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "91b840e6669cd6ca01e8a806be9a4c26bb77c69eb6eca85dc0be42d5acd212d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b840e6669cd6ca01e8a806be9a4c26bb77c69eb6eca85dc0be42d5acd212d4", kill_on_drop: false }`
[INFO] [stdout] 91b840e6669cd6ca01e8a806be9a4c26bb77c69eb6eca85dc0be42d5acd212d4