[INFO] fetching crate backroll_transport 0.1.2...
[INFO] testing backroll_transport-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate backroll_transport 0.1.2 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate backroll_transport 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backroll_transport 0.1.2
[INFO] finished tweaking crates.io crate backroll_transport 0.1.2
[INFO] tweaked toml for crates.io crate backroll_transport 0.1.2 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cec05819fb9644fd01d30e4dc72f81fc9336d7626b9321187bfab725358f7fb
[INFO] running `Command { std: "docker" "start" "-a" "5cec05819fb9644fd01d30e4dc72f81fc9336d7626b9321187bfab725358f7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cec05819fb9644fd01d30e4dc72f81fc9336d7626b9321187bfab725358f7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cec05819fb9644fd01d30e4dc72f81fc9336d7626b9321187bfab725358f7fb", kill_on_drop: false }`
[INFO] [stdout] 5cec05819fb9644fd01d30e4dc72f81fc9336d7626b9321187bfab725358f7fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0ff8f0ea48acf8432e05e307d7d9b767622e5c5b399a85f45ee6641028339d0
[INFO] running `Command { std: "docker" "start" "-a" "b0ff8f0ea48acf8432e05e307d7d9b767622e5c5b399a85f45ee6641028339d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling backroll_transport v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "b0ff8f0ea48acf8432e05e307d7d9b767622e5c5b399a85f45ee6641028339d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ff8f0ea48acf8432e05e307d7d9b767622e5c5b399a85f45ee6641028339d0", kill_on_drop: false }`
[INFO] [stdout] b0ff8f0ea48acf8432e05e307d7d9b767622e5c5b399a85f45ee6641028339d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b4a09bd278c5a9e1952538a3bdbe35395f6510e9bda6483f720f9c3cb1755d5
[INFO] running `Command { std: "docker" "start" "-a" "0b4a09bd278c5a9e1952538a3bdbe35395f6510e9bda6483f720f9c3cb1755d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling backroll_transport v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "0b4a09bd278c5a9e1952538a3bdbe35395f6510e9bda6483f720f9c3cb1755d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4a09bd278c5a9e1952538a3bdbe35395f6510e9bda6483f720f9c3cb1755d5", kill_on_drop: false }`
[INFO] [stdout] 0b4a09bd278c5a9e1952538a3bdbe35395f6510e9bda6483f720f9c3cb1755d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8890a72debb9566a5ffaf735f952a0fc6d8fc058d34f766b6bb972593e241b43
[INFO] running `Command { std: "docker" "start" "-a" "8890a72debb9566a5ffaf735f952a0fc6d8fc058d34f766b6bb972593e241b43", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/backroll_transport-1a3bb8bbb2647c3a)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test channel::test::disconnecting_allows_existing_items_to_be_flushed ... ok
[INFO] [stdout] test channel::test::disconnecting_stop_any_future_sends ... ok
[INFO] [stdout] test channel::test::bounded_pairs_error_on_being_full ... ok
[INFO] [stdout] test channel::test::disconnecting_closes_both_sides ... ok
[INFO] [stdout] test channel::test::dropping_leads_to_disconnect ... ok
[INFO] [stdout] test channel::test::send_works_both_ways ... ok
[INFO] [stdout] test peers::test::dropping_disconnects_all_remotes ... ok
[INFO] [stdout] test peers::test::disconnecting_via_drop_removes_peer ... ok
[INFO] [stdout] test peers::test::test_contains_works ... ok
[INFO] [stdout] test peers::test::disconnecting_local_disconnects_remote ... ok
[INFO] [stdout] test peers::test::disconnecting_removes_peer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backroll_transport
[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" "8890a72debb9566a5ffaf735f952a0fc6d8fc058d34f766b6bb972593e241b43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8890a72debb9566a5ffaf735f952a0fc6d8fc058d34f766b6bb972593e241b43", kill_on_drop: false }`
[INFO] [stdout] 8890a72debb9566a5ffaf735f952a0fc6d8fc058d34f766b6bb972593e241b43