[INFO] fetching crate concur_demo 0.1.0...
[INFO] testing concur_demo-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate concur_demo 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate concur_demo 0.1.0
[INFO] finished tweaking crates.io crate concur_demo 0.1.0
[INFO] tweaked toml for crates.io crate concur_demo 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate concur_demo 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate concur_demo 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-2025-09-21" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43870e64bb0151ba17385be9f7d53a7745e4cba80f13810fc2070c85625ea7a
[INFO] running `Command { std: "docker" "start" "-a" "e43870e64bb0151ba17385be9f7d53a7745e4cba80f13810fc2070c85625ea7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43870e64bb0151ba17385be9f7d53a7745e4cba80f13810fc2070c85625ea7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43870e64bb0151ba17385be9f7d53a7745e4cba80f13810fc2070c85625ea7a", kill_on_drop: false }`
[INFO] [stdout] e43870e64bb0151ba17385be9f7d53a7745e4cba80f13810fc2070c85625ea7a
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7380698131c0af0cd3f90bb603f643e97b297547cd6e3013618d264f152a3e3b
[INFO] running `Command { std: "docker" "start" "-a" "7380698131c0af0cd3f90bb603f643e97b297547cd6e3013618d264f152a3e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling concur_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "7380698131c0af0cd3f90bb603f643e97b297547cd6e3013618d264f152a3e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7380698131c0af0cd3f90bb603f643e97b297547cd6e3013618d264f152a3e3b", kill_on_drop: false }`
[INFO] [stdout] 7380698131c0af0cd3f90bb603f643e97b297547cd6e3013618d264f152a3e3b
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fe866dd6dbecdf67c87ae84c5e8f2bfd2e708b6416893be094ad346fd0e3eae
[INFO] running `Command { std: "docker" "start" "-a" "5fe866dd6dbecdf67c87ae84c5e8f2bfd2e708b6416893be094ad346fd0e3eae", kill_on_drop: false }`
[INFO] [stderr]    Compiling concur_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "5fe866dd6dbecdf67c87ae84c5e8f2bfd2e708b6416893be094ad346fd0e3eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe866dd6dbecdf67c87ae84c5e8f2bfd2e708b6416893be094ad346fd0e3eae", kill_on_drop: false }`
[INFO] [stdout] 5fe866dd6dbecdf67c87ae84c5e8f2bfd2e708b6416893be094ad346fd0e3eae
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 987080c75570bb0a1717037ce0fcda8a303fa7161ed862d1ea41a63b41a6f2ce
[INFO] running `Command { std: "docker" "start" "-a" "987080c75570bb0a1717037ce0fcda8a303fa7161ed862d1ea41a63b41a6f2ce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concur_demo-ff58df3d71015417)
[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" "987080c75570bb0a1717037ce0fcda8a303fa7161ed862d1ea41a63b41a6f2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987080c75570bb0a1717037ce0fcda8a303fa7161ed862d1ea41a63b41a6f2ce", kill_on_drop: false }`
[INFO] [stdout] 987080c75570bb0a1717037ce0fcda8a303fa7161ed862d1ea41a63b41a6f2ce
