[INFO] fetching crate nix-melt 0.1.3...
[INFO] testing nix-melt-0.1.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nix-melt 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate nix-melt 0.1.3
[INFO] finished tweaking crates.io crate nix-melt 0.1.3
[INFO] tweaked toml for crates.io crate nix-melt 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nix-melt 0.1.3 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nix-melt 0.1.3 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae95e5c1894d89d6fc6ae2b2d1e38e153ca32a62fac20193361d0577532639c7
[INFO] running `Command { std: "docker" "start" "-a" "ae95e5c1894d89d6fc6ae2b2d1e38e153ca32a62fac20193361d0577532639c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae95e5c1894d89d6fc6ae2b2d1e38e153ca32a62fac20193361d0577532639c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae95e5c1894d89d6fc6ae2b2d1e38e153ca32a62fac20193361d0577532639c7", kill_on_drop: false }`
[INFO] [stdout] ae95e5c1894d89d6fc6ae2b2d1e38e153ca32a62fac20193361d0577532639c7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffb988f12e1f024fc770c48d6cc0bc7e98590c34f0490a21862b2b66c6dafed1
[INFO] running `Command { std: "docker" "start" "-a" "ffb988f12e1f024fc770c48d6cc0bc7e98590c34f0490a21862b2b66c6dafed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling clap_lex v0.7.2
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.1.19
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]    Compiling clap_builder v4.5.17
[INFO] [stderr]    Compiling unicode-width v0.1.13
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling mio v1.0.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling roff v0.2.2
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling compact_str v0.8.0
[INFO] [stderr]    Compiling lru v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling tracing-error v0.2.0
[INFO] [stderr]    Compiling rustc-hash v2.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling color-spantrace v0.2.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling clap_derive v4.5.13
[INFO] [stderr]    Compiling structmeta-derive v0.3.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling instability v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling structmeta v0.3.0
[INFO] [stderr]    Compiling regex v1.10.6
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling ratatui v0.28.1
[INFO] [stderr]    Compiling color-eyre v0.6.3
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling parse-display-derive v0.10.0
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling serde_with_macros v3.9.0
[INFO] [stderr]    Compiling clap v4.5.17
[INFO] [stderr]    Compiling clap_complete v4.5.26
[INFO] [stderr]    Compiling clap_mangen v0.2.23
[INFO] [stderr]    Compiling parse-display v0.10.0
[INFO] [stderr]    Compiling nix-melt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling serde_with v3.9.0
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.56s
[INFO] running `Command { std: "docker" "inspect" "ffb988f12e1f024fc770c48d6cc0bc7e98590c34f0490a21862b2b66c6dafed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffb988f12e1f024fc770c48d6cc0bc7e98590c34f0490a21862b2b66c6dafed1", kill_on_drop: false }`
[INFO] [stdout] ffb988f12e1f024fc770c48d6cc0bc7e98590c34f0490a21862b2b66c6dafed1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f122cc54abc0a91625b2afcfafa85fc7d76c9babd0c4dd7dd3ea3f7c01ae3e1e
[INFO] running `Command { std: "docker" "start" "-a" "f122cc54abc0a91625b2afcfafa85fc7d76c9babd0c4dd7dd3ea3f7c01ae3e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix-melt v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "f122cc54abc0a91625b2afcfafa85fc7d76c9babd0c4dd7dd3ea3f7c01ae3e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f122cc54abc0a91625b2afcfafa85fc7d76c9babd0c4dd7dd3ea3f7c01ae3e1e", kill_on_drop: false }`
[INFO] [stdout] f122cc54abc0a91625b2afcfafa85fc7d76c9babd0c4dd7dd3ea3f7c01ae3e1e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 165b65c79d8a614e25166413256fd6e9767d91c86b4963fc63ee9320f6d977d6
[INFO] running `Command { std: "docker" "start" "-a" "165b65c79d8a614e25166413256fd6e9767d91c86b4963fc63ee9320f6d977d6", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nix_melt-d6500fb2aec654af)
[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" "165b65c79d8a614e25166413256fd6e9767d91c86b4963fc63ee9320f6d977d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "165b65c79d8a614e25166413256fd6e9767d91c86b4963fc63ee9320f6d977d6", kill_on_drop: false }`
[INFO] [stdout] 165b65c79d8a614e25166413256fd6e9767d91c86b4963fc63ee9320f6d977d6