[INFO] fetching crate backroll_transport 0.2.0...
[INFO] testing backroll_transport-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate backroll_transport 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate backroll_transport 0.2.0
[INFO] finished tweaking crates.io crate backroll_transport 0.2.0
[INFO] tweaked toml for crates.io crate backroll_transport 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate backroll_transport 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] [stderr]       Adding async-channel v1.9.0 (available: v2.5.0)
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7be039b150722ee9978aced3d762fd45735a5499e42e831944880692d72f7bf
[INFO] running `Command { std: "docker" "start" "-a" "b7be039b150722ee9978aced3d762fd45735a5499e42e831944880692d72f7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7be039b150722ee9978aced3d762fd45735a5499e42e831944880692d72f7bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7be039b150722ee9978aced3d762fd45735a5499e42e831944880692d72f7bf", kill_on_drop: false }`
[INFO] [stdout] b7be039b150722ee9978aced3d762fd45735a5499e42e831944880692d72f7bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40dfca56896f16f038c5fee8c6d4c276fc629f4ec29a7daeadbf01ba71d54563
[INFO] running `Command { std: "docker" "start" "-a" "40dfca56896f16f038c5fee8c6d4c276fc629f4ec29a7daeadbf01ba71d54563", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling dashmap v5.5.3
[INFO] [stderr]    Compiling backroll_transport v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "40dfca56896f16f038c5fee8c6d4c276fc629f4ec29a7daeadbf01ba71d54563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40dfca56896f16f038c5fee8c6d4c276fc629f4ec29a7daeadbf01ba71d54563", kill_on_drop: false }`
[INFO] [stdout] 40dfca56896f16f038c5fee8c6d4c276fc629f4ec29a7daeadbf01ba71d54563
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b668a49892e4e11853b2fa85cd9119b6ce528dd3b98fa3611ff78c45a678183d
[INFO] running `Command { std: "docker" "start" "-a" "b668a49892e4e11853b2fa85cd9119b6ce528dd3b98fa3611ff78c45a678183d", kill_on_drop: false }`
[INFO] [stderr]    Compiling backroll_transport v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "b668a49892e4e11853b2fa85cd9119b6ce528dd3b98fa3611ff78c45a678183d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b668a49892e4e11853b2fa85cd9119b6ce528dd3b98fa3611ff78c45a678183d", kill_on_drop: false }`
[INFO] [stdout] b668a49892e4e11853b2fa85cd9119b6ce528dd3b98fa3611ff78c45a678183d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 577786137bdb89adfbec47e5d5d7f8c9e3344fed21e4b95b442e4f81f6217d1a
[INFO] running `Command { std: "docker" "start" "-a" "577786137bdb89adfbec47e5d5d7f8c9e3344fed21e4b95b442e4f81f6217d1a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/backroll_transport-eab401f4c1e957e6)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test channel::test::bounded_pairs_error_on_being_full ... ok
[INFO] [stdout] test channel::test::disconnecting_allows_existing_items_to_be_flushed ... ok
[INFO] [stdout] test channel::test::disconnecting_closes_both_sides ... ok
[INFO] [stdout] test channel::test::disconnecting_stop_any_future_sends ... 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::disconnecting_local_disconnects_remote ... ok
[INFO] [stdout] test peers::test::disconnecting_removes_peer ... ok
[INFO] [stdout] test peers::test::test_contains_works ... ok
[INFO] [stdout] test peers::test::disconnecting_via_drop_removes_peer ... ok
[INFO] [stdout] test peers::test::dropping_disconnects_all_remotes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "577786137bdb89adfbec47e5d5d7f8c9e3344fed21e4b95b442e4f81f6217d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577786137bdb89adfbec47e5d5d7f8c9e3344fed21e4b95b442e4f81f6217d1a", kill_on_drop: false }`
[INFO] [stdout] 577786137bdb89adfbec47e5d5d7f8c9e3344fed21e4b95b442e4f81f6217d1a