[INFO] fetching crate async-backplane 0.1.0...
[INFO] testing async-backplane-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate async-backplane 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate async-backplane 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-backplane 0.1.0
[INFO] finished tweaking crates.io crate async-backplane 0.1.0
[INFO] tweaked toml for crates.io crate async-backplane 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee5bff660d33361657e1eaf753db48b78981f5963e86b87bba10e6e70af8beff
[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" "ee5bff660d33361657e1eaf753db48b78981f5963e86b87bba10e6e70af8beff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee5bff660d33361657e1eaf753db48b78981f5963e86b87bba10e6e70af8beff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5bff660d33361657e1eaf753db48b78981f5963e86b87bba10e6e70af8beff", kill_on_drop: false }`
[INFO] [stdout] ee5bff660d33361657e1eaf753db48b78981f5963e86b87bba10e6e70af8beff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e70f29a16b84eb3c48819a4b94647347517a386fcd5577b20d7c8bce39b357b2
[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" "e70f29a16b84eb3c48819a4b94647347517a386fcd5577b20d7c8bce39b357b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling maybe-unwind v0.3.1
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling waker-queue v0.1.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling async-backplane v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "e70f29a16b84eb3c48819a4b94647347517a386fcd5577b20d7c8bce39b357b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70f29a16b84eb3c48819a4b94647347517a386fcd5577b20d7c8bce39b357b2", kill_on_drop: false }`
[INFO] [stdout] e70f29a16b84eb3c48819a4b94647347517a386fcd5577b20d7c8bce39b357b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b47c6e712a9b4b64bd42cf3b28e0abc4067e5d1c03b12ae51148db5d52a6ce29
[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" "b47c6e712a9b4b64bd42cf3b28e0abc4067e5d1c03b12ae51148db5d52a6ce29", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-backplane v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `pending`
[INFO] [stdout]  --> tests/watch.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use futures_lite::future::{pending, ready, block_on};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "b47c6e712a9b4b64bd42cf3b28e0abc4067e5d1c03b12ae51148db5d52a6ce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47c6e712a9b4b64bd42cf3b28e0abc4067e5d1c03b12ae51148db5d52a6ce29", kill_on_drop: false }`
[INFO] [stdout] b47c6e712a9b4b64bd42cf3b28e0abc4067e5d1c03b12ae51148db5d52a6ce29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74757d39e28a9d952a2c16dbd5f6b25a9abfe09b9ddfd305bcb3a72b20c0c33a
[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" "74757d39e28a9d952a2c16dbd5f6b25a9abfe09b9ddfd305bcb3a72b20c0c33a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `pending`
[INFO] [stderr]  --> tests/watch.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures_lite::future::{pending, ready, block_on};
[INFO] [stderr]   |                            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_backplane-e360c5037b960096)
[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/manage.rs (/opt/rustwide/target/debug/deps/manage-780207357199712c)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test peer_link_drops ... ok
[INFO] [stdout] test solo_succeeds ... ok
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] test monitored_line_errors ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] test peer_line_errors ... ok
[INFO] [stdout] test peer_device_errors ... ok
[INFO] [stdout] test monitored_device_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/part_manage.rs (/opt/rustwide/target/debug/deps/part_manage-9e04920cdfd8242a)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stdout] test solo_succeeds ... ok
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test monitored_device_errors ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] test peer_line_drops ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test peer_line_crashes ... ok
[INFO] [stdout] test monitored_line_errors ... ok
[INFO] [stderr]      Running tests/smol.rs (/opt/rustwide/target/debug/deps/smol-b0109bdec1c4c79b)
[INFO] [stdout] test peer_device_crashes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/watch.rs (/opt/rustwide/target/debug/deps/watch-ce91e6b6a9706b3e)
[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] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test peer_line_crashes ... ok
[INFO] [stdout] test monitored_device_crashes ... ok
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test monitored_line_crashes ... ok
[INFO] [stdout] test solo_succeeds ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] test peer_device_crashes ... ok
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] test peer_line_drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests async-backplane
[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" "74757d39e28a9d952a2c16dbd5f6b25a9abfe09b9ddfd305bcb3a72b20c0c33a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74757d39e28a9d952a2c16dbd5f6b25a9abfe09b9ddfd305bcb3a72b20c0c33a", kill_on_drop: false }`
[INFO] [stdout] 74757d39e28a9d952a2c16dbd5f6b25a9abfe09b9ddfd305bcb3a72b20c0c33a