[INFO] fetching crate mtfs 0.0.1...
[INFO] testing mtfs-0.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mtfs 0.0.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mtfs 0.0.1
[INFO] finished tweaking crates.io crate mtfs 0.0.1
[INFO] tweaked toml for crates.io crate mtfs 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtfs 0.0.1 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 mtfs 0.0.1 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-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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95f6e82d19f8a3c229cb8857b239dd7332a010ce4bdb5f82230a77d108f90bc0
[INFO] running `Command { std: "docker" "start" "-a" "95f6e82d19f8a3c229cb8857b239dd7332a010ce4bdb5f82230a77d108f90bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f6e82d19f8a3c229cb8857b239dd7332a010ce4bdb5f82230a77d108f90bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f6e82d19f8a3c229cb8857b239dd7332a010ce4bdb5f82230a77d108f90bc0", kill_on_drop: false }`
[INFO] [stdout] 95f6e82d19f8a3c229cb8857b239dd7332a010ce4bdb5f82230a77d108f90bc0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1238a211bf28e62dbaf9ad5f959d450160679c04809d6b41eab185c51dfd072
[INFO] running `Command { std: "docker" "start" "-a" "c1238a211bf28e62dbaf9ad5f959d450160679c04809d6b41eab185c51dfd072", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling mtfs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "c1238a211bf28e62dbaf9ad5f959d450160679c04809d6b41eab185c51dfd072", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1238a211bf28e62dbaf9ad5f959d450160679c04809d6b41eab185c51dfd072", kill_on_drop: false }`
[INFO] [stdout] c1238a211bf28e62dbaf9ad5f959d450160679c04809d6b41eab185c51dfd072
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e40c27c1f16059c0b2540bcceb9bc9326789486fb4e00fc0ac206b03596f844
[INFO] running `Command { std: "docker" "start" "-a" "1e40c27c1f16059c0b2540bcceb9bc9326789486fb4e00fc0ac206b03596f844", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtfs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1e40c27c1f16059c0b2540bcceb9bc9326789486fb4e00fc0ac206b03596f844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e40c27c1f16059c0b2540bcceb9bc9326789486fb4e00fc0ac206b03596f844", kill_on_drop: false }`
[INFO] [stdout] 1e40c27c1f16059c0b2540bcceb9bc9326789486fb4e00fc0ac206b03596f844
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a90f22a31c42e3349ce3d21cecf86ef0d728552ef4ea60abf00dbcc7c67b8e14
[INFO] running `Command { std: "docker" "start" "-a" "a90f22a31c42e3349ce3d21cecf86ef0d728552ef4ea60abf00dbcc7c67b8e14", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mtfs-a08da1f267e3f02e)
[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" "a90f22a31c42e3349ce3d21cecf86ef0d728552ef4ea60abf00dbcc7c67b8e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a90f22a31c42e3349ce3d21cecf86ef0d728552ef4ea60abf00dbcc7c67b8e14", kill_on_drop: false }`
[INFO] [stdout] a90f22a31c42e3349ce3d21cecf86ef0d728552ef4ea60abf00dbcc7c67b8e14