[INFO] fetching crate mandrel 0.1.0...
[INFO] testing mandrel-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mandrel 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate mandrel 0.1.0
[INFO] finished tweaking crates.io crate mandrel 0.1.0
[INFO] tweaked toml for crates.io crate mandrel 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mandrel 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] 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] d6c1256ebcf0c1e4c9e4edf97dd02a833576775bc85de27c623ef3fed8f271b4
[INFO] running `Command { std: "docker" "start" "-a" "d6c1256ebcf0c1e4c9e4edf97dd02a833576775bc85de27c623ef3fed8f271b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6c1256ebcf0c1e4c9e4edf97dd02a833576775bc85de27c623ef3fed8f271b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6c1256ebcf0c1e4c9e4edf97dd02a833576775bc85de27c623ef3fed8f271b4", kill_on_drop: false }`
[INFO] [stdout] d6c1256ebcf0c1e4c9e4edf97dd02a833576775bc85de27c623ef3fed8f271b4
[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] 515b0446996df42d79b4323bae6814bb2f5bb41eaeafcb4f42c0d3f7108dc2af
[INFO] running `Command { std: "docker" "start" "-a" "515b0446996df42d79b4323bae6814bb2f5bb41eaeafcb4f42c0d3f7108dc2af", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandrel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "515b0446996df42d79b4323bae6814bb2f5bb41eaeafcb4f42c0d3f7108dc2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515b0446996df42d79b4323bae6814bb2f5bb41eaeafcb4f42c0d3f7108dc2af", kill_on_drop: false }`
[INFO] [stdout] 515b0446996df42d79b4323bae6814bb2f5bb41eaeafcb4f42c0d3f7108dc2af
[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] 01c192683b09d4f7941173d01f73438ac4eccd9f68ab0c568c844a9b166cbf6b
[INFO] running `Command { std: "docker" "start" "-a" "01c192683b09d4f7941173d01f73438ac4eccd9f68ab0c568c844a9b166cbf6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mandrel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "01c192683b09d4f7941173d01f73438ac4eccd9f68ab0c568c844a9b166cbf6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c192683b09d4f7941173d01f73438ac4eccd9f68ab0c568c844a9b166cbf6b", kill_on_drop: false }`
[INFO] [stdout] 01c192683b09d4f7941173d01f73438ac4eccd9f68ab0c568c844a9b166cbf6b
[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] 7fc85970cd5c1e86b301b9492577de5a31f970713d0cddc0c6358c8ee5b7e5cf
[INFO] running `Command { std: "docker" "start" "-a" "7fc85970cd5c1e86b301b9492577de5a31f970713d0cddc0c6358c8ee5b7e5cf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mandrel-cb415ac057148fc6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests mandrel
[INFO] [stdout] 
[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 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" "7fc85970cd5c1e86b301b9492577de5a31f970713d0cddc0c6358c8ee5b7e5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc85970cd5c1e86b301b9492577de5a31f970713d0cddc0c6358c8ee5b7e5cf", kill_on_drop: false }`
[INFO] [stdout] 7fc85970cd5c1e86b301b9492577de5a31f970713d0cddc0c6358c8ee5b7e5cf