[INFO] fetching crate mpmc-async 0.1.7...
[INFO] testing mpmc-async-0.1.7 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate mpmc-async 0.1.7 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate mpmc-async 0.1.7
[INFO] finished tweaking crates.io crate mpmc-async 0.1.7
[INFO] tweaked toml for crates.io crate mpmc-async 0.1.7 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpmc-async 0.1.7 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 13 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2772d883b1a3ec0af93ddd280632c8120324d922818bbf750560dfe0112b695
[INFO] running `Command { std: "docker" "start" "-a" "a2772d883b1a3ec0af93ddd280632c8120324d922818bbf750560dfe0112b695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2772d883b1a3ec0af93ddd280632c8120324d922818bbf750560dfe0112b695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2772d883b1a3ec0af93ddd280632c8120324d922818bbf750560dfe0112b695", kill_on_drop: false }`
[INFO] [stdout] a2772d883b1a3ec0af93ddd280632c8120324d922818bbf750560dfe0112b695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f070fc107aaec70556a9340ee31ee73b5a4edfeb3be64eb184269a569a2286b0
[INFO] running `Command { std: "docker" "start" "-a" "f070fc107aaec70556a9340ee31ee73b5a4edfeb3be64eb184269a569a2286b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpmc-async v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "f070fc107aaec70556a9340ee31ee73b5a4edfeb3be64eb184269a569a2286b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f070fc107aaec70556a9340ee31ee73b5a4edfeb3be64eb184269a569a2286b0", kill_on_drop: false }`
[INFO] [stdout] f070fc107aaec70556a9340ee31ee73b5a4edfeb3be64eb184269a569a2286b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36243e5dfb140653a93ecc6bd9e22612a90014331924fc6248d8e9fee68ec277
[INFO] running `Command { std: "docker" "start" "-a" "36243e5dfb140653a93ecc6bd9e22612a90014331924fc6248d8e9fee68ec277", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling mpmc-async v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `Command { std: "docker" "inspect" "36243e5dfb140653a93ecc6bd9e22612a90014331924fc6248d8e9fee68ec277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36243e5dfb140653a93ecc6bd9e22612a90014331924fc6248d8e9fee68ec277", kill_on_drop: false }`
[INFO] [stdout] 36243e5dfb140653a93ecc6bd9e22612a90014331924fc6248d8e9fee68ec277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a0e32adab4fcf655dd995cf0c25eb8345989e7cb68b08f53e9e8090a8da0038b
[INFO] running `Command { std: "docker" "start" "-a" "a0e32adab4fcf655dd995cf0c25eb8345989e7cb68b08f53e9e8090a8da0038b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mpmc_async-92a57c7b4baed876)
[INFO] [stdout] 
[INFO] [stdout] running 31 tests
[INFO] [stdout] test linked_list::tests::clone_node_ref ... ok
[INFO] [stdout] test linked_list::tests::pop_head_tail ... ok
[INFO] [stdout] test linked_list::tests::into_iter_ref ... ok
[INFO] [stdout] test linked_list::tests::iter_mut ... ok
[INFO] [stdout] test linked_list::tests::push_after ... ok
[INFO] [stdout] test linked_list::tests::collect_iter ... ok
[INFO] [stdout] test linked_list::tests::push_after_ref ... ok
[INFO] [stdout] test linked_list::tests::push_before ... ok
[INFO] [stdout] test linked_list::tests::push_before_ref ... ok
[INFO] [stdout] test linked_list::tests::push_head ... ok
[INFO] [stdout] test linked_list::tests::push_tail_remove_drop ... ok
[INFO] [stdout] test linked_list::tests::push_head_remove_drop ... ok
[INFO] [stdout] test linked_list::tests::add_remove_multiple_drop ... ok
[INFO] [stdout] test testing::mpmc_multiple_tasks ... ok
[INFO] [stdout] test testing::mpmc_reserve ... ok
[INFO] [stdout] test testing::reserve_many_drop ... ok
[INFO] [stdout] test testing::reserve_errors ... ok
[INFO] [stdout] test testing::reserve_many ... ok
[INFO] [stdout] test testing::reserve_many_drop_halfway ... ok
[INFO] [stdout] test testing::send_errors ... ok
[INFO] [stdout] test testing::reserve_owned ... ok
[INFO] [stdout] test testing::send_receive ... ok
[INFO] [stdout] test testing::try_reserve_errors ... ok
[INFO] [stdout] test testing::try_reserve_unused_permit_and_other_permit ... ok
[INFO] [stdout] test testing::receiver_close_all_permit_drop ... ok
[INFO] [stdout] test testing::recv_future_awoken_but_unused ... ok
[INFO] [stdout] test testing::try_send_errors ... ok
[INFO] [stdout] test testing::try_reserve_unused_permit_and_send ... ok
[INFO] [stdout] test testing::receiver_close_all ... ok
[INFO] [stdout] test testing::mpsc ... ok
[INFO] [stderr]    Doc-tests mpmc_async
[INFO] [stdout] test testing::mpmc_try_reserve ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 31 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0e32adab4fcf655dd995cf0c25eb8345989e7cb68b08f53e9e8090a8da0038b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e32adab4fcf655dd995cf0c25eb8345989e7cb68b08f53e9e8090a8da0038b", kill_on_drop: false }`
[INFO] [stdout] a0e32adab4fcf655dd995cf0c25eb8345989e7cb68b08f53e9e8090a8da0038b