[INFO] fetching crate walchan 0.1.0...
[INFO] testing walchan-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate walchan 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate walchan 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate walchan 0.1.0
[INFO] tweaked toml for crates.io crate walchan 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate walchan 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate walchan 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 679a469c360c5ba0b297cb54e98dc7b3064ac02b0f8b7be31998484143a7d5ce
[INFO] running `Command { std: "docker" "start" "-a" "679a469c360c5ba0b297cb54e98dc7b3064ac02b0f8b7be31998484143a7d5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "679a469c360c5ba0b297cb54e98dc7b3064ac02b0f8b7be31998484143a7d5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679a469c360c5ba0b297cb54e98dc7b3064ac02b0f8b7be31998484143a7d5ce", kill_on_drop: false }`
[INFO] [stdout] 679a469c360c5ba0b297cb54e98dc7b3064ac02b0f8b7be31998484143a7d5ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 966904b1e0cf0672df2b25ebc8e6755706d300737b40085efd1bd535f4893fdf
[INFO] running `Command { std: "docker" "start" "-a" "966904b1e0cf0672df2b25ebc8e6755706d300737b40085efd1bd535f4893fdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling walchan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.75s
[INFO] running `Command { std: "docker" "inspect" "966904b1e0cf0672df2b25ebc8e6755706d300737b40085efd1bd535f4893fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966904b1e0cf0672df2b25ebc8e6755706d300737b40085efd1bd535f4893fdf", kill_on_drop: false }`
[INFO] [stdout] 966904b1e0cf0672df2b25ebc8e6755706d300737b40085efd1bd535f4893fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 253f0c08d0b4683e5ecb60542779a102d8d9180100743172575af329ae2fd32d
[INFO] running `Command { std: "docker" "start" "-a" "253f0c08d0b4683e5ecb60542779a102d8d9180100743172575af329ae2fd32d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling walchan v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "253f0c08d0b4683e5ecb60542779a102d8d9180100743172575af329ae2fd32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253f0c08d0b4683e5ecb60542779a102d8d9180100743172575af329ae2fd32d", kill_on_drop: false }`
[INFO] [stdout] 253f0c08d0b4683e5ecb60542779a102d8d9180100743172575af329ae2fd32d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99875336c246ea11adb3c1ee4679e1ccf1449360a2b8b27fdbcbd3fec9ce9ba8
[INFO] running `Command { std: "docker" "start" "-a" "99875336c246ea11adb3c1ee4679e1ccf1449360a2b8b27fdbcbd3fec9ce9ba8", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/walchan-759d53a9485ab406)
[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/tests.rs (/opt/rustwide/target/debug/deps/tests-99f86a5a6703c6b0)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test channel_with_options_flush_only_works ... ok
[INFO] [stdout] test disable_truncate_corrupt_tail_should_error_on_open ... ok
[INFO] [stdout] test delivery_drop_acks_and_receiver_drop_commits_progress ... ok
[INFO] [stdout] test basic_send_recv_delivery ... ok
[INFO] [stdout] test crash_redeliver_is_bounded_by_commit_window ... ok
[INFO] [stdout] test multiple_restarts_progress_offset_monotonically ... ok
[INFO] [stdout] test header_slot_corruption_is_tolerated ... ok
[INFO] [stdout] test crash_does_not_commit_offset ... ok
[INFO] [stdout] test channel_with_options_sync_every_works ... ok
[INFO] [stdout] test receiver_drop_commits_pending_acks ... ok
[INFO] [stdout] test iterator_recv_delivery ... ok
[INFO] [stdout] test send_fails_after_receiver_drop ... ok
[INFO] [stdout] test sync_channel_try_send_full_and_ack_frees_capacity ... ok
[INFO] [stdout] test receiver_exits_after_all_senders_dropped ... ok
[INFO] [stdout] test recv_timeout_times_out ... ok
[INFO] [stdout] test recv_timeout_is_woken_by_send ... ok
[INFO] [stdout] test sync_send_timeout_returns_timeout_and_payload ... ok
[INFO] [stdout] test truncate_partial_tail_record_on_open ... ok
[INFO] [stdout] test try_recv_empty_and_disconnected_delivery ... ok
[INFO] [stdout] test receiver_commit_batching_keeps_order ... ok
[INFO] [stdout] test recv_blocks_until_message_arrives ... ok
[INFO] [stdout] test sync_send_blocks_until_ack ... ok
[INFO] [stdout] test commit_max_delay_only_checked_on_ack ... ok
[INFO] [stdout] test sync_send_timeout_succeeds_after_ack ... ok
[INFO] [stdout] test sync_send_timeout_woken_by_receiver_drop ... ok
[INFO] [stdout] test multiple_senders_concurrent ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests walchan
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/mpsc.rs - mpsc (line 62) - compile ... ok
[INFO] [stdout] test src/mpsc.rs - mpsc (line 44) - compile ... ok
[INFO] [stdout] test src/mpsc.rs - mpsc (line 24) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.67s; merged doctests compilation took 0.65s
[INFO] running `Command { std: "docker" "inspect" "99875336c246ea11adb3c1ee4679e1ccf1449360a2b8b27fdbcbd3fec9ce9ba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99875336c246ea11adb3c1ee4679e1ccf1449360a2b8b27fdbcbd3fec9ce9ba8", kill_on_drop: false }`
[INFO] [stdout] 99875336c246ea11adb3c1ee4679e1ccf1449360a2b8b27fdbcbd3fec9ce9ba8