[INFO] fetching crate mkfs-filesystem 0.1.0...
[INFO] testing mkfs-filesystem-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mkfs-filesystem 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate mkfs-filesystem 0.1.0
[INFO] finished tweaking crates.io crate mkfs-filesystem 0.1.0
[INFO] tweaked toml for crates.io crate mkfs-filesystem 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkfs-filesystem 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 16b98952f5fdc105ad69bf5fa1c0c1295687d3a08d08e304695c304f95305f08
[INFO] running `Command { std: "docker" "start" "-a" "16b98952f5fdc105ad69bf5fa1c0c1295687d3a08d08e304695c304f95305f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b98952f5fdc105ad69bf5fa1c0c1295687d3a08d08e304695c304f95305f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b98952f5fdc105ad69bf5fa1c0c1295687d3a08d08e304695c304f95305f08", kill_on_drop: false }`
[INFO] [stdout] 16b98952f5fdc105ad69bf5fa1c0c1295687d3a08d08e304695c304f95305f08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ff5142dc55d2a184c030864f7b490e35b619128de6901702f599f11ba7d442ed
[INFO] running `Command { std: "docker" "start" "-a" "ff5142dc55d2a184c030864f7b490e35b619128de6901702f599f11ba7d442ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling mkfs-filesystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "ff5142dc55d2a184c030864f7b490e35b619128de6901702f599f11ba7d442ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff5142dc55d2a184c030864f7b490e35b619128de6901702f599f11ba7d442ed", kill_on_drop: false }`
[INFO] [stdout] ff5142dc55d2a184c030864f7b490e35b619128de6901702f599f11ba7d442ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8046622562baf38a1ffd70d27ecb806a13e9eb363c42946afeb39c5dd5e2fc37
[INFO] running `Command { std: "docker" "start" "-a" "8046622562baf38a1ffd70d27ecb806a13e9eb363c42946afeb39c5dd5e2fc37", kill_on_drop: false }`
[INFO] [stderr]    Compiling mkfs-filesystem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "8046622562baf38a1ffd70d27ecb806a13e9eb363c42946afeb39c5dd5e2fc37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8046622562baf38a1ffd70d27ecb806a13e9eb363c42946afeb39c5dd5e2fc37", kill_on_drop: false }`
[INFO] [stdout] 8046622562baf38a1ffd70d27ecb806a13e9eb363c42946afeb39c5dd5e2fc37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 96e3c897cbe84d93457edfa839c298aa3b3051f17d077974f10e8b4dd737380c
[INFO] running `Command { std: "docker" "start" "-a" "96e3c897cbe84d93457edfa839c298aa3b3051f17d077974f10e8b4dd737380c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filesystem-8d31022e73c79721)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests filesystem
[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] [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" "96e3c897cbe84d93457edfa839c298aa3b3051f17d077974f10e8b4dd737380c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e3c897cbe84d93457edfa839c298aa3b3051f17d077974f10e8b4dd737380c", kill_on_drop: false }`
[INFO] [stdout] 96e3c897cbe84d93457edfa839c298aa3b3051f17d077974f10e8b4dd737380c