[INFO] fetching crate szr 0.1.0...
[INFO] testing szr-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate szr 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate szr 0.1.0
[INFO] finished tweaking crates.io crate szr 0.1.0
[INFO] tweaked toml for crates.io crate szr 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate szr 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate szr 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c86b3707a9f4978d317ad88cc4e0e60cf37028f5436e432d2d67c681a5dd265
[INFO] running `Command { std: "docker" "start" "-a" "7c86b3707a9f4978d317ad88cc4e0e60cf37028f5436e432d2d67c681a5dd265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c86b3707a9f4978d317ad88cc4e0e60cf37028f5436e432d2d67c681a5dd265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c86b3707a9f4978d317ad88cc4e0e60cf37028f5436e432d2d67c681a5dd265", kill_on_drop: false }`
[INFO] [stdout] 7c86b3707a9f4978d317ad88cc4e0e60cf37028f5436e432d2d67c681a5dd265
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e55fb5842b47b2d5d93554d9f5315984e34975100b36de0a7a9d60daab7544c7
[INFO] running `Command { std: "docker" "start" "-a" "e55fb5842b47b2d5d93554d9f5315984e34975100b36de0a7a9d60daab7544c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling szr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "e55fb5842b47b2d5d93554d9f5315984e34975100b36de0a7a9d60daab7544c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e55fb5842b47b2d5d93554d9f5315984e34975100b36de0a7a9d60daab7544c7", kill_on_drop: false }`
[INFO] [stdout] e55fb5842b47b2d5d93554d9f5315984e34975100b36de0a7a9d60daab7544c7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea8c46e6bcbcb96fcc6a6133ef1a5d38cd2d4d000e679557e46867f6cfcd58d9
[INFO] running `Command { std: "docker" "start" "-a" "ea8c46e6bcbcb96fcc6a6133ef1a5d38cd2d4d000e679557e46867f6cfcd58d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling szr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "ea8c46e6bcbcb96fcc6a6133ef1a5d38cd2d4d000e679557e46867f6cfcd58d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8c46e6bcbcb96fcc6a6133ef1a5d38cd2d4d000e679557e46867f6cfcd58d9", kill_on_drop: false }`
[INFO] [stdout] ea8c46e6bcbcb96fcc6a6133ef1a5d38cd2d4d000e679557e46867f6cfcd58d9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb356ff9aa388bd98a49e76fec7fac2d513cb22391dece3ad8a31b24f5ca810a
[INFO] running `Command { std: "docker" "start" "-a" "fb356ff9aa388bd98a49e76fec7fac2d513cb22391dece3ad8a31b24f5ca810a", 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/szr-94b6d7ff8a1f3854)
[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" "fb356ff9aa388bd98a49e76fec7fac2d513cb22391dece3ad8a31b24f5ca810a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb356ff9aa388bd98a49e76fec7fac2d513cb22391dece3ad8a31b24f5ca810a", kill_on_drop: false }`
[INFO] [stdout] fb356ff9aa388bd98a49e76fec7fac2d513cb22391dece3ad8a31b24f5ca810a