[INFO] fetching crate async-backplane 0.1.0...
[INFO] testing async-backplane-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate async-backplane 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-backplane 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fafc3f1e81efe0be722c60204711507d108d668bf34510ec9b472346b3202a9b
[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" "fafc3f1e81efe0be722c60204711507d108d668bf34510ec9b472346b3202a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fafc3f1e81efe0be722c60204711507d108d668bf34510ec9b472346b3202a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafc3f1e81efe0be722c60204711507d108d668bf34510ec9b472346b3202a9b", kill_on_drop: false }`
[INFO] [stdout] fafc3f1e81efe0be722c60204711507d108d668bf34510ec9b472346b3202a9b
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0afecba9eea653cbcc00fc59e1861d3ad494c3f834678fb21e826d19e05ad965
[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" "0afecba9eea653cbcc00fc59e1861d3ad494c3f834678fb21e826d19e05ad965", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-unwind v0.3.1
[INFO] [stderr]    Compiling waker-queue v0.1.0
[INFO] [stderr]    Compiling async-backplane v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "0afecba9eea653cbcc00fc59e1861d3ad494c3f834678fb21e826d19e05ad965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afecba9eea653cbcc00fc59e1861d3ad494c3f834678fb21e826d19e05ad965", kill_on_drop: false }`
[INFO] [stdout] 0afecba9eea653cbcc00fc59e1861d3ad494c3f834678fb21e826d19e05ad965
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c590932708b5a0115c9df47fadc050b61e3a44a5c1a7e53c1dc16a4b13004a74
[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" "c590932708b5a0115c9df47fadc050b61e3a44a5c1a7e53c1dc16a4b13004a74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 2.26s
[INFO] running `Command { std: "docker" "inspect" "c590932708b5a0115c9df47fadc050b61e3a44a5c1a7e53c1dc16a4b13004a74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c590932708b5a0115c9df47fadc050b61e3a44a5c1a7e53c1dc16a4b13004a74", kill_on_drop: false }`
[INFO] [stdout] c590932708b5a0115c9df47fadc050b61e3a44a5c1a7e53c1dc16a4b13004a74
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 883b8a3a5f0bfac71eddd573142114420ed45596e6952a85b2041b91e4553eb6
[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" "883b8a3a5f0bfac71eddd573142114420ed45596e6952a85b2041b91e4553eb6", 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 /opt/rustwide/target/debug/deps/async_backplane-ac64681cd1ebdd4f
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/manage-f508fd4e84219165
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stdout] test peer_device_errors ... ok
[INFO] [stdout] test monitored_device_errors ... ok
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test peer_line_errors ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] test monitored_line_errors ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test solo_succeeds ... ok
[INFO] [stdout] test peer_link_drops ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/part_manage-d0f709c2bfa2fef7
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test solo_succeeds ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test monitored_device_errors ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test monitored_line_errors ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] test peer_line_drops ... ok
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smol-caaa1781d6eeb181
[INFO] [stdout] test peer_line_crashes ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/watch-76595806e4da88a7
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test peer_line_succeeds ... ok
[INFO] [stdout] test solo_succeeds ... ok
[INFO] [stdout] test peer_device_drops ... ok
[INFO] [stdout] test peer_line_drops ... ok
[INFO] [stdout] test monitored_line_drops ... ok
[INFO] [stdout] test peer_device_crashes ... ok
[INFO] [stdout] test peer_device_succeeds ... ok
[INFO] [stdout] test peer_line_crashes ... ok
[INFO] [stdout] test monitored_line_crashes ... ok
[INFO] [stdout] test monitored_device_succeeds ... ok
[INFO] [stdout] test monitored_device_drops ... ok
[INFO] [stdout] test monitored_device_crashes ... ok
[INFO] [stderr]    Doc-tests async-backplane
[INFO] [stdout] test monitored_line_succeeds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "883b8a3a5f0bfac71eddd573142114420ed45596e6952a85b2041b91e4553eb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "883b8a3a5f0bfac71eddd573142114420ed45596e6952a85b2041b91e4553eb6", kill_on_drop: false }`
[INFO] [stdout] 883b8a3a5f0bfac71eddd573142114420ed45596e6952a85b2041b91e4553eb6