[INFO] fetching crate sbc 0.1.0...
[INFO] testing sbc-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sbc 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate sbc 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sbc 0.1.0
[INFO] tweaked toml for crates.io crate sbc 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sbc 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sbc 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bdc880094fd6d17e85e6ab5a97810e13a54e09e474554eb93dccda0e28b4ff6
[INFO] running `Command { std: "docker" "start" "-a" "8bdc880094fd6d17e85e6ab5a97810e13a54e09e474554eb93dccda0e28b4ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bdc880094fd6d17e85e6ab5a97810e13a54e09e474554eb93dccda0e28b4ff6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bdc880094fd6d17e85e6ab5a97810e13a54e09e474554eb93dccda0e28b4ff6", kill_on_drop: false }`
[INFO] [stdout] 8bdc880094fd6d17e85e6ab5a97810e13a54e09e474554eb93dccda0e28b4ff6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f3776ee98dc8dd0efeebea9a5e7ddcefddc801a9bdcd26bee39fdba27f5e8f7
[INFO] running `Command { std: "docker" "start" "-a" "2f3776ee98dc8dd0efeebea9a5e7ddcefddc801a9bdcd26bee39fdba27f5e8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling sbc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "2f3776ee98dc8dd0efeebea9a5e7ddcefddc801a9bdcd26bee39fdba27f5e8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f3776ee98dc8dd0efeebea9a5e7ddcefddc801a9bdcd26bee39fdba27f5e8f7", kill_on_drop: false }`
[INFO] [stdout] 2f3776ee98dc8dd0efeebea9a5e7ddcefddc801a9bdcd26bee39fdba27f5e8f7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 511321d552649a39af98f519d537aed088b83931db14a37398fd1fdd59102443
[INFO] running `Command { std: "docker" "start" "-a" "511321d552649a39af98f519d537aed088b83931db14a37398fd1fdd59102443", kill_on_drop: false }`
[INFO] [stderr]    Compiling sbc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "511321d552649a39af98f519d537aed088b83931db14a37398fd1fdd59102443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "511321d552649a39af98f519d537aed088b83931db14a37398fd1fdd59102443", kill_on_drop: false }`
[INFO] [stdout] 511321d552649a39af98f519d537aed088b83931db14a37398fd1fdd59102443
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b7348a5b4b4e83de135fb5277d7379fc0fbbaf4d15cc30b4b82aa197f150ff94
[INFO] running `Command { std: "docker" "start" "-a" "b7348a5b4b4e83de135fb5277d7379fc0fbbaf4d15cc30b4b82aa197f150ff94", 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/sbc-08bcbc524567fe40)
[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/lib.rs (/opt/rustwide/target/debug/deps/lib-e807af58fddca902)
[INFO] [stdout] 
[INFO] [stdout] running 24 tests
[INFO] [stdout] test dropping_last_receiver_empties_queue ... ok
[INFO] [stdout] test dropping_last_sender_closes_the_channel ... ok
[INFO] [stdout] test identifies_same_channel ... ok
[INFO] [stdout] test receiver_count ... ok
[INFO] [stdout] test receiver_len ... ok
[INFO] [stdout] test receives_the_expected_values ... ok
[INFO] [stdout] test recv_returns_error_on_closed_channel ... ok
[INFO] [stdout] test recv_returns_lag_error_when_fallen_behind ... ok
[INFO] [stdout] test send_returns_error_when_channel_closed ... ok
[INFO] [stdout] test send_returns_with_number_of_receivers ... ok
[INFO] [stdout] test sender_count ... ok
[INFO] [stdout] test sender_identifies_same_channel ... ok
[INFO] [stdout] test sender_len ... ok
[INFO] [stdout] test is_empty ... ok
[INFO] [stdout] test try_recv_returns_closed_error ... ok
[INFO] [stdout] test try_recv_returns_empty_error ... ok
[INFO] [stdout] test try_recv_returns_lag_error ... ok
[INFO] [stdout] test try_recv_receives_expected_value ... ok
[INFO] [stdout] test sender_is_empty ... ok
[INFO] [stdout] test try_recv_expected_results_no_wait ... ok
[INFO] [stdout] test recv_expected_results_no_wait ... ok
[INFO] [stdout] test recv_expected_results_delayed ... ok
[INFO] [stdout] test try_recv_expected_results_delayed ... ok
[INFO] [stderr]    Doc-tests sbc
[INFO] [stdout] test recv_delayed_on_one_receiver ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - (line 85) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::is_empty (line 646) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::len (line 620) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 763) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::same_channel (line 671) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::try_recv (line 874) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::is_closed (line 701) ... ok
[INFO] [stdout] test src/lib.rs - Receiver (line 287) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::recv (line 791) ... ok
[INFO] [stdout] test src/lib.rs - Receiver<T>::resubscribe (line 726) ... ok
[INFO] [stdout] test src/lib.rs - Sender (line 253) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::is_empty (line 488) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::same_channel (line 559) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::len (line 430) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::receiver_count (line 535) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::send (line 371) ... ok
[INFO] [stdout] test src/lib.rs - channel (line 989) ... ok
[INFO] [stdout] test src/lib.rs - Sender<T>::subscribe (line 323) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.05s; merged doctests compilation took 1.03s
[INFO] running `Command { std: "docker" "inspect" "b7348a5b4b4e83de135fb5277d7379fc0fbbaf4d15cc30b4b82aa197f150ff94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7348a5b4b4e83de135fb5277d7379fc0fbbaf4d15cc30b4b82aa197f150ff94", kill_on_drop: false }`
[INFO] [stdout] b7348a5b4b4e83de135fb5277d7379fc0fbbaf4d15cc30b4b82aa197f150ff94
