[INFO] fetching crate ctask 0.1.6...
[INFO] testing ctask-0.1.6 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ctask 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ctask 0.1.6
[INFO] finished tweaking crates.io crate ctask 0.1.6
[INFO] tweaked toml for crates.io crate ctask 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ctask 0.1.6 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 ctask 0.1.6 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-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] daa4cd4a8d199fc2976e4526ba652b74a3091c7de7998f0dae54ee2bc1a3d68a
[INFO] running `Command { std: "docker" "start" "-a" "daa4cd4a8d199fc2976e4526ba652b74a3091c7de7998f0dae54ee2bc1a3d68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa4cd4a8d199fc2976e4526ba652b74a3091c7de7998f0dae54ee2bc1a3d68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa4cd4a8d199fc2976e4526ba652b74a3091c7de7998f0dae54ee2bc1a3d68a", kill_on_drop: false }`
[INFO] [stdout] daa4cd4a8d199fc2976e4526ba652b74a3091c7de7998f0dae54ee2bc1a3d68a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1998d44a36ab4ef76f8a36552bec214badbb1a6b9c70a35235b7f01c77d1052c
[INFO] running `Command { std: "docker" "start" "-a" "1998d44a36ab4ef76f8a36552bec214badbb1a6b9c70a35235b7f01c77d1052c", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]    Compiling clap_builder v4.5.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.34
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling dialoguer v0.11.0
[INFO] [stderr]    Compiling clap v4.5.1
[INFO] [stderr]    Compiling ctask v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.69s
[INFO] running `Command { std: "docker" "inspect" "1998d44a36ab4ef76f8a36552bec214badbb1a6b9c70a35235b7f01c77d1052c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1998d44a36ab4ef76f8a36552bec214badbb1a6b9c70a35235b7f01c77d1052c", kill_on_drop: false }`
[INFO] [stdout] 1998d44a36ab4ef76f8a36552bec214badbb1a6b9c70a35235b7f01c77d1052c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 31f2d70b54538fff557d4d57100330298a5518b652f14858eae087e272c2a385
[INFO] running `Command { std: "docker" "start" "-a" "31f2d70b54538fff557d4d57100330298a5518b652f14858eae087e272c2a385", kill_on_drop: false }`
[INFO] [stderr]    Compiling ctask v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "31f2d70b54538fff557d4d57100330298a5518b652f14858eae087e272c2a385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f2d70b54538fff557d4d57100330298a5518b652f14858eae087e272c2a385", kill_on_drop: false }`
[INFO] [stdout] 31f2d70b54538fff557d4d57100330298a5518b652f14858eae087e272c2a385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 90c399e1b835465b942d42fa4b3cbd0598df4a39346eeb7347cfb2ca383ce08f
[INFO] running `Command { std: "docker" "start" "-a" "90c399e1b835465b942d42fa4b3cbd0598df4a39346eeb7347cfb2ca383ce08f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ctask-a207cdf83482b8c8)
[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" "90c399e1b835465b942d42fa4b3cbd0598df4a39346eeb7347cfb2ca383ce08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c399e1b835465b942d42fa4b3cbd0598df4a39346eeb7347cfb2ca383ce08f", kill_on_drop: false }`
[INFO] [stdout] 90c399e1b835465b942d42fa4b3cbd0598df4a39346eeb7347cfb2ca383ce08f