[INFO] fetching crate mkfs-mfs 0.1.0...
[INFO] fixing mkfs-mfs-0.1.0 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-1
[INFO] extracting crate mkfs-mfs 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mkfs-mfs 0.1.0
[INFO] finished tweaking crates.io crate mkfs-mfs 0.1.0
[INFO] tweaked toml for crates.io crate mkfs-mfs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkfs-mfs 0.1.0 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mkfs-mfs 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v2.11.1
[INFO] [stderr]   Downloaded wasm-metadata v0.244.0
[INFO] [stderr]   Downloaded hashbrown v0.17.0
[INFO] [stderr]   Downloaded zmij v1.0.21
[INFO] [stderr]   Downloaded wit-bindgen-rust v0.51.0
[INFO] [stderr]   Downloaded wit-bindgen v0.57.1
[INFO] [stderr]   Downloaded wasm-encoder v0.244.0
[INFO] [stderr]   Downloaded wasip3 v0.4.0+wasi-0.3.0-rc-2026-01-06
[INFO] [stderr]   Downloaded wasip2 v1.0.3+wasi-0.2.9
[INFO] [stderr]   Downloaded hashbrown v0.15.5
[INFO] [stderr]   Downloaded wasmparser v0.244.0
[INFO] [stderr]   Downloaded wit-component v0.244.0
[INFO] [stderr]   Downloaded id-arena v2.3.0
[INFO] [stderr]   Downloaded wit-bindgen-rust-macro v0.51.0
[INFO] [stderr]   Downloaded prettyplease v0.2.37
[INFO] [stderr]   Downloaded wit-parser v0.244.0
[INFO] [stderr]   Downloaded wit-bindgen v0.51.0
[INFO] [stderr]   Downloaded unicode-xid v0.2.6
[INFO] [stderr]   Downloaded semver v1.0.28
[INFO] [stderr]   Downloaded memchr v2.8.0
[INFO] [stderr]   Downloaded log v0.4.29
[INFO] [stderr]   Downloaded leb128fmt v0.1.0
[INFO] [stderr]   Downloaded r-efi v6.0.0
[INFO] [stderr]   Downloaded foldhash v0.1.5
[INFO] [stderr]   Downloaded wit-bindgen-core v0.51.0
[INFO] [stderr]   Downloaded getrandom v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] cc06bd2025f79041f0abb1ab914551aa040cf64b67f25b8390f41171dc1948ee
[INFO] running `Command { std: "docker" "start" "cc06bd2025f79041f0abb1ab914551aa040cf64b67f25b8390f41171dc1948ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc06bd2025f79041f0abb1ab914551aa040cf64b67f25b8390f41171dc1948ee" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc06bd2025f79041f0abb1ab914551aa040cf64b67f25b8390f41171dc1948ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "cc06bd2025f79041f0abb1ab914551aa040cf64b67f25b8390f41171dc1948ee" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v1.1.0
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]     Checking fastrand v2.4.1
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking anstream v1.0.0
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stderr]     Checking mkfs-mfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.05s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "cc06bd2025f79041f0abb1ab914551aa040cf64b67f25b8390f41171dc1948ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc06bd2025f79041f0abb1ab914551aa040cf64b67f25b8390f41171dc1948ee", kill_on_drop: false }`
[INFO] [stdout] cc06bd2025f79041f0abb1ab914551aa040cf64b67f25b8390f41171dc1948ee