[INFO] fetching crate r50 0.18.6...
[INFO] testing r50-0.18.6 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate r50 0.18.6 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate r50 0.18.6
[INFO] finished tweaking crates.io crate r50 0.18.6
[INFO] tweaked toml for crates.io crate r50 0.18.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r50 0.18.6 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 r50 0.18.6 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 981cc055222f294b4d03db47aae6a7ef351885c78ee984461ac23bc0c00fbd1d
[INFO] running `Command { std: "docker" "start" "-a" "981cc055222f294b4d03db47aae6a7ef351885c78ee984461ac23bc0c00fbd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "981cc055222f294b4d03db47aae6a7ef351885c78ee984461ac23bc0c00fbd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981cc055222f294b4d03db47aae6a7ef351885c78ee984461ac23bc0c00fbd1d", kill_on_drop: false }`
[INFO] [stdout] 981cc055222f294b4d03db47aae6a7ef351885c78ee984461ac23bc0c00fbd1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ce7e0e859279bd08f0051a1f49e00675465c416866eba043e6e53702a8685ff2
[INFO] running `Command { std: "docker" "start" "-a" "ce7e0e859279bd08f0051a1f49e00675465c416866eba043e6e53702a8685ff2", kill_on_drop: false }`
[INFO] [stderr]    Compiling r50 v0.18.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "ce7e0e859279bd08f0051a1f49e00675465c416866eba043e6e53702a8685ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7e0e859279bd08f0051a1f49e00675465c416866eba043e6e53702a8685ff2", kill_on_drop: false }`
[INFO] [stdout] ce7e0e859279bd08f0051a1f49e00675465c416866eba043e6e53702a8685ff2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5945022dc382756cfbd98d02ebb69ef37ef1366ba4100a4b7bf784603f2e1524
[INFO] running `Command { std: "docker" "start" "-a" "5945022dc382756cfbd98d02ebb69ef37ef1366ba4100a4b7bf784603f2e1524", kill_on_drop: false }`
[INFO] [stderr]    Compiling r50 v0.18.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5945022dc382756cfbd98d02ebb69ef37ef1366ba4100a4b7bf784603f2e1524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5945022dc382756cfbd98d02ebb69ef37ef1366ba4100a4b7bf784603f2e1524", kill_on_drop: false }`
[INFO] [stdout] 5945022dc382756cfbd98d02ebb69ef37ef1366ba4100a4b7bf784603f2e1524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 31417da97e4b19c140bde379d8a9cbb2452ea46884c501201d2eba4a6f0086c2
[INFO] running `Command { std: "docker" "start" "-a" "31417da97e4b19c140bde379d8a9cbb2452ea46884c501201d2eba4a6f0086c2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r50-77f3d09ceef8708d)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r50
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "31417da97e4b19c140bde379d8a9cbb2452ea46884c501201d2eba4a6f0086c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31417da97e4b19c140bde379d8a9cbb2452ea46884c501201d2eba4a6f0086c2", kill_on_drop: false }`
[INFO] [stdout] 31417da97e4b19c140bde379d8a9cbb2452ea46884c501201d2eba4a6f0086c2
