[INFO] fetching crate scaling 0.1.3...
[INFO] testing scaling-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate scaling 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate scaling 0.1.3
[INFO] finished tweaking crates.io crate scaling 0.1.3
[INFO] tweaked toml for crates.io crate scaling 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scaling 0.1.3 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2ccd653edd987cd9fd3c351346ecb795f7229ad8ac05ba4b10c1e32e5ca1711
[INFO] running `Command { std: "docker" "start" "-a" "d2ccd653edd987cd9fd3c351346ecb795f7229ad8ac05ba4b10c1e32e5ca1711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2ccd653edd987cd9fd3c351346ecb795f7229ad8ac05ba4b10c1e32e5ca1711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2ccd653edd987cd9fd3c351346ecb795f7229ad8ac05ba4b10c1e32e5ca1711", kill_on_drop: false }`
[INFO] [stdout] d2ccd653edd987cd9fd3c351346ecb795f7229ad8ac05ba4b10c1e32e5ca1711
[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=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] 177615085aa642531830765bf7045f5b4234622ea379ac7a899b530143a1f4b9
[INFO] running `Command { std: "docker" "start" "-a" "177615085aa642531830765bf7045f5b4234622ea379ac7a899b530143a1f4b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling scaling v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "177615085aa642531830765bf7045f5b4234622ea379ac7a899b530143a1f4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177615085aa642531830765bf7045f5b4234622ea379ac7a899b530143a1f4b9", kill_on_drop: false }`
[INFO] [stdout] 177615085aa642531830765bf7045f5b4234622ea379ac7a899b530143a1f4b9
[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=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] 112f6fe9fd951f82f1570da5ebcca4c5b7b1dc7f5e897abf3fcd42f25548a350
[INFO] running `Command { std: "docker" "start" "-a" "112f6fe9fd951f82f1570da5ebcca4c5b7b1dc7f5e897abf3fcd42f25548a350", kill_on_drop: false }`
[INFO] [stderr]    Compiling scaling v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "112f6fe9fd951f82f1570da5ebcca4c5b7b1dc7f5e897abf3fcd42f25548a350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112f6fe9fd951f82f1570da5ebcca4c5b7b1dc7f5e897abf3fcd42f25548a350", kill_on_drop: false }`
[INFO] [stdout] 112f6fe9fd951f82f1570da5ebcca4c5b7b1dc7f5e897abf3fcd42f25548a350
[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=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] 47faa9996e7689b84969ceddb09b9ab85496716746e8f691dc4c60a5c0cceaa5
[INFO] running `Command { std: "docker" "start" "-a" "47faa9996e7689b84969ceddb09b9ab85496716746e8f691dc4c60a5c0cceaa5", 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/scaling-b637ee77ef419305)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::doctests_again ... ignored
[INFO] [stdout] test test_fib ... ok
[INFO] [stdout] test tests::test_sleep ... ok
[INFO] [stdout] test tests::scales_o_n_log_n_looks_like_n ... ok
[INFO] [stdout] test tests::scales_o_2_to_the_n ... ok
[INFO] [stdout] test tests::very_slow ... ok
[INFO] [stdout] test tests::scales_o_n ... FAILED
[INFO] [stdout] test tests::very_quick ... ok
[INFO] [stdout] test tests::painfully_slow ... ok
[INFO] [stdout] test tests::sadly_slow ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/scaling-b637ee77ef419305` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "47faa9996e7689b84969ceddb09b9ab85496716746e8f691dc4c60a5c0cceaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47faa9996e7689b84969ceddb09b9ab85496716746e8f691dc4c60a5c0cceaa5", kill_on_drop: false }`
[INFO] [stdout] 47faa9996e7689b84969ceddb09b9ab85496716746e8f691dc4c60a5c0cceaa5
