[INFO] fetching crate supera 0.5.0...
[INFO] testing supera-0.5.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate supera 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate supera 0.5.0
[INFO] finished tweaking crates.io crate supera 0.5.0
[INFO] tweaked toml for crates.io crate supera 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate supera 0.5.0 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 supera 0.5.0 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] 6e0ba9e36be8fccc945ade15f41f16780f695b4edade7cfaf6044531334f011c
[INFO] running `Command { std: "docker" "start" "-a" "6e0ba9e36be8fccc945ade15f41f16780f695b4edade7cfaf6044531334f011c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e0ba9e36be8fccc945ade15f41f16780f695b4edade7cfaf6044531334f011c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e0ba9e36be8fccc945ade15f41f16780f695b4edade7cfaf6044531334f011c", kill_on_drop: false }`
[INFO] [stdout] 6e0ba9e36be8fccc945ade15f41f16780f695b4edade7cfaf6044531334f011c
[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] d3c3b1ce22c09b1a6d1cb651424c8fc8537bf5fa2df523fee8a8656512d218c8
[INFO] running `Command { std: "docker" "start" "-a" "d3c3b1ce22c09b1a6d1cb651424c8fc8537bf5fa2df523fee8a8656512d218c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling oneshot v0.1.11
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling supera v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "d3c3b1ce22c09b1a6d1cb651424c8fc8537bf5fa2df523fee8a8656512d218c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c3b1ce22c09b1a6d1cb651424c8fc8537bf5fa2df523fee8a8656512d218c8", kill_on_drop: false }`
[INFO] [stdout] d3c3b1ce22c09b1a6d1cb651424c8fc8537bf5fa2df523fee8a8656512d218c8
[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] 533165bf41989f62685e2bba4b70e0050b7c2fe3920c33fccb45d9682c3fbca0
[INFO] running `Command { std: "docker" "start" "-a" "533165bf41989f62685e2bba4b70e0050b7c2fe3920c33fccb45d9682c3fbca0", kill_on_drop: false }`
[INFO] [stderr]    Compiling supera v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "533165bf41989f62685e2bba4b70e0050b7c2fe3920c33fccb45d9682c3fbca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533165bf41989f62685e2bba4b70e0050b7c2fe3920c33fccb45d9682c3fbca0", kill_on_drop: false }`
[INFO] [stdout] 533165bf41989f62685e2bba4b70e0050b7c2fe3920c33fccb45d9682c3fbca0
[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] 4f6d629a3895e152bef552940c35b44d5d3a357312199655f280f0b65a6e12e1
[INFO] running `Command { std: "docker" "start" "-a" "4f6d629a3895e152bef552940c35b44d5d3a357312199655f280f0b65a6e12e1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/supera-2ab715a16ee29dad)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::queue::single_manual_close ... ok
[INFO] [stdout] test test::queue::pool_manual_close ... ok
[INFO] [stdout] test test::oneshot::single_manual_close ... ok
[INFO] [stdout] test test::oneshot::pool_manual_close ... ok
[INFO] [stdout] test test::oneshot::single_values ... ok
[INFO] [stdout] test test::queue::pool_values ... ok
[INFO] [stdout] test test::queue::single_values ... ok
[INFO] [stdout] test test::oneshot::pool_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests supera
[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" "4f6d629a3895e152bef552940c35b44d5d3a357312199655f280f0b65a6e12e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6d629a3895e152bef552940c35b44d5d3a357312199655f280f0b65a6e12e1", kill_on_drop: false }`
[INFO] [stdout] 4f6d629a3895e152bef552940c35b44d5d3a357312199655f280f0b65a6e12e1
