[INFO] fetching crate async-backplane 0.1.1...
[INFO] testing async-backplane-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate async-backplane 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-backplane 0.1.1 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 async-backplane 0.1.1
[INFO] finished tweaking crates.io crate async-backplane 0.1.1
[INFO] tweaked toml for crates.io crate async-backplane 0.1.1 written to /workspace/builds/worker-4/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] 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 futures-micro v0.2.0
[INFO] [stderr]   Downloaded concurrent-queue v1.2.1
[INFO] [stderr]   Downloaded waker-queue v0.1.0
[INFO] [stderr]   Downloaded maybe-unwind v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 49f581e527bdf336b11b65b1fed8b3ef87d599c2d83a6996f8d0a003d743bbd4
[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" "49f581e527bdf336b11b65b1fed8b3ef87d599c2d83a6996f8d0a003d743bbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f581e527bdf336b11b65b1fed8b3ef87d599c2d83a6996f8d0a003d743bbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f581e527bdf336b11b65b1fed8b3ef87d599c2d83a6996f8d0a003d743bbd4", kill_on_drop: false }`
[INFO] [stdout] 49f581e527bdf336b11b65b1fed8b3ef87d599c2d83a6996f8d0a003d743bbd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 562aac0cf3aeadfc5ebd1f07de2840419e3f31c112aa3a5656a0c3386a168ff9
[INFO] running `Command { std: "docker" "start" "-a" "562aac0cf3aeadfc5ebd1f07de2840419e3f31c112aa3a5656a0c3386a168ff9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling maybe-unwind v0.3.1
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling futures-micro v0.2.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.1
[INFO] [stderr]    Compiling waker-queue v0.1.0
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling async-backplane v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "562aac0cf3aeadfc5ebd1f07de2840419e3f31c112aa3a5656a0c3386a168ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562aac0cf3aeadfc5ebd1f07de2840419e3f31c112aa3a5656a0c3386a168ff9", kill_on_drop: false }`
[INFO] [stdout] 562aac0cf3aeadfc5ebd1f07de2840419e3f31c112aa3a5656a0c3386a168ff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 29cfd1ccb17e8acf1c496d89d85c36928761fc0aa44eaa6b0b5593507982ac2d
[INFO] running `Command { std: "docker" "start" "-a" "29cfd1ccb17e8acf1c496d89d85c36928761fc0aa44eaa6b0b5593507982ac2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-backplane v0.1.1 (/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 1.42s
[INFO] running `Command { std: "docker" "inspect" "29cfd1ccb17e8acf1c496d89d85c36928761fc0aa44eaa6b0b5593507982ac2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cfd1ccb17e8acf1c496d89d85c36928761fc0aa44eaa6b0b5593507982ac2d", kill_on_drop: false }`
[INFO] [stdout] 29cfd1ccb17e8acf1c496d89d85c36928761fc0aa44eaa6b0b5593507982ac2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] bd22267c1101827d09c2685a2bd43dc361aad9f32152969883c7e10dcdf61e69
[INFO] running `Command { std: "docker" "start" "-a" "bd22267c1101827d09c2685a2bd43dc361aad9f32152969883c7e10dcdf61e69", kill_on_drop: false }`
[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 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_backplane-d94a581ca73b281d)
[INFO] [stderr]      Running tests/manage.rs (/opt/rustwide/target/debug/deps/manage-2a7bfc524345662c)
[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 solo_succeeds ... ok
[INFO] [stdout] test peer_link_drops ... ok
[INFO] [stdout] test peer_device_errors ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test monitored_line_errors ... ok
[INFO] [stdout] test monitored_device_errors ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] test peer_line_errors ... ok
[INFO] [stderr]      Running tests/part_manage.rs (/opt/rustwide/target/debug/deps/part_manage-b331122ac3c7f647)
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] test peer_device_crashes ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stdout] test monitored_line_errors ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test peer_line_crashes ... ok
[INFO] [stdout] test solo_succeeds ... ok
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] test monitored_device_errors ... ok
[INFO] [stdout] test peer_line_drops ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/smol.rs (/opt/rustwide/target/debug/deps/smol-6938f5bd34e435d8)
[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/watch.rs (/opt/rustwide/target/debug/deps/watch-8216381c97b5d5db)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test monitored_device_crashes ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test peer_line_drops ... ok
[INFO] [stdout] test peer_line_crashes ... ok
[INFO] [stdout] test peer_device_crashes ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stdout] test monitored_line_crashes ... ok
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test solo_succeeds ... ok
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "bd22267c1101827d09c2685a2bd43dc361aad9f32152969883c7e10dcdf61e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd22267c1101827d09c2685a2bd43dc361aad9f32152969883c7e10dcdf61e69", kill_on_drop: false }`
[INFO] [stdout] bd22267c1101827d09c2685a2bd43dc361aad9f32152969883c7e10dcdf61e69