[INFO] fetching crate project-root 0.2.2...
[INFO] testing project-root-0.2.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate project-root 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate project-root 0.2.2
[INFO] finished tweaking crates.io crate project-root 0.2.2
[INFO] tweaked toml for crates.io crate project-root 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate project-root 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] e646867a907f90349f62c9d4f014f6bb118443c43917b5d8d5b3ff46b61a60ed
[INFO] running `Command { std: "docker" "start" "-a" "e646867a907f90349f62c9d4f014f6bb118443c43917b5d8d5b3ff46b61a60ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e646867a907f90349f62c9d4f014f6bb118443c43917b5d8d5b3ff46b61a60ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e646867a907f90349f62c9d4f014f6bb118443c43917b5d8d5b3ff46b61a60ed", kill_on_drop: false }`
[INFO] [stdout] e646867a907f90349f62c9d4f014f6bb118443c43917b5d8d5b3ff46b61a60ed
[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] 5274c1d8bdd52f920fccf471c64acdbca9f9c391082635b049a9cf7e16e84c52
[INFO] running `Command { std: "docker" "start" "-a" "5274c1d8bdd52f920fccf471c64acdbca9f9c391082635b049a9cf7e16e84c52", kill_on_drop: false }`
[INFO] [stderr]    Compiling project-root v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "5274c1d8bdd52f920fccf471c64acdbca9f9c391082635b049a9cf7e16e84c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5274c1d8bdd52f920fccf471c64acdbca9f9c391082635b049a9cf7e16e84c52", kill_on_drop: false }`
[INFO] [stdout] 5274c1d8bdd52f920fccf471c64acdbca9f9c391082635b049a9cf7e16e84c52
[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] 465cf95848cd6e83cb06b7d1bd22d2384c3373c2a27304525022edf4fe684b5e
[INFO] running `Command { std: "docker" "start" "-a" "465cf95848cd6e83cb06b7d1bd22d2384c3373c2a27304525022edf4fe684b5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling project-root v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "465cf95848cd6e83cb06b7d1bd22d2384c3373c2a27304525022edf4fe684b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "465cf95848cd6e83cb06b7d1bd22d2384c3373c2a27304525022edf4fe684b5e", kill_on_drop: false }`
[INFO] [stdout] 465cf95848cd6e83cb06b7d1bd22d2384c3373c2a27304525022edf4fe684b5e
[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] dd2b546d458d7c1d1eeab620adf011f3722434942c794a25be2323e3ebc60e3a
[INFO] running `Command { std: "docker" "start" "-a" "dd2b546d458d7c1d1eeab620adf011f3722434942c794a25be2323e3ebc60e3a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/project_root-ad77e1bfc4944416)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_should_find_our_project_root ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests project_root
[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 1 test
[INFO] [stdout] test src/lib.rs - get_project_root (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dd2b546d458d7c1d1eeab620adf011f3722434942c794a25be2323e3ebc60e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2b546d458d7c1d1eeab620adf011f3722434942c794a25be2323e3ebc60e3a", kill_on_drop: false }`
[INFO] [stdout] dd2b546d458d7c1d1eeab620adf011f3722434942c794a25be2323e3ebc60e3a