[INFO] fetching crate rusttailbysam 0.1.1...
[INFO] testing rusttailbysam-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rusttailbysam 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rusttailbysam 0.1.1
[INFO] finished tweaking crates.io crate rusttailbysam 0.1.1
[INFO] tweaked toml for crates.io crate rusttailbysam 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusttailbysam 0.1.1 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 rusttailbysam 0.1.1 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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8195c4dc095d9c3ecef944a3020728374f90f7b20c90c9bcf518c0e0f467f3f7
[INFO] running `Command { std: "docker" "start" "-a" "8195c4dc095d9c3ecef944a3020728374f90f7b20c90c9bcf518c0e0f467f3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8195c4dc095d9c3ecef944a3020728374f90f7b20c90c9bcf518c0e0f467f3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8195c4dc095d9c3ecef944a3020728374f90f7b20c90c9bcf518c0e0f467f3f7", kill_on_drop: false }`
[INFO] [stdout] 8195c4dc095d9c3ecef944a3020728374f90f7b20c90c9bcf518c0e0f467f3f7
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5694a4463945d3533d1302d14c3ac2f8b1cb786ca987672c90a3096ccab7bd97
[INFO] running `Command { std: "docker" "start" "-a" "5694a4463945d3533d1302d14c3ac2f8b1cb786ca987672c90a3096ccab7bd97", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling anstyle-query v1.1.2
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling colorchoice v1.0.3
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling anstyle-parse v0.2.6
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling anstream v0.6.18
[INFO] [stderr]    Compiling clap_builder v4.5.22
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling clap v4.5.22
[INFO] [stderr]    Compiling rusttailbysam v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "5694a4463945d3533d1302d14c3ac2f8b1cb786ca987672c90a3096ccab7bd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5694a4463945d3533d1302d14c3ac2f8b1cb786ca987672c90a3096ccab7bd97", kill_on_drop: false }`
[INFO] [stdout] 5694a4463945d3533d1302d14c3ac2f8b1cb786ca987672c90a3096ccab7bd97
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39416f07302a42f43c0ee55a528ae8c3db221ba2ed686b9683c0a3bfbfb13806
[INFO] running `Command { std: "docker" "start" "-a" "39416f07302a42f43c0ee55a528ae8c3db221ba2ed686b9683c0a3bfbfb13806", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusttailbysam v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "39416f07302a42f43c0ee55a528ae8c3db221ba2ed686b9683c0a3bfbfb13806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39416f07302a42f43c0ee55a528ae8c3db221ba2ed686b9683c0a3bfbfb13806", kill_on_drop: false }`
[INFO] [stdout] 39416f07302a42f43c0ee55a528ae8c3db221ba2ed686b9683c0a3bfbfb13806
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 193a59af5e30756feb182f6d71e8a58615524eefdf83731e872894736b66e577
[INFO] running `Command { std: "docker" "start" "-a" "193a59af5e30756feb182f6d71e8a58615524eefdf83731e872894736b66e577", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rusttailbysam-01acfde709f20f41)
[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" "193a59af5e30756feb182f6d71e8a58615524eefdf83731e872894736b66e577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193a59af5e30756feb182f6d71e8a58615524eefdf83731e872894736b66e577", kill_on_drop: false }`
[INFO] [stdout] 193a59af5e30756feb182f6d71e8a58615524eefdf83731e872894736b66e577
