[INFO] fetching crate dano 0.9.1...
[INFO] testing dano-0.9.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate dano 0.9.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dano 0.9.1
[INFO] finished tweaking crates.io crate dano 0.9.1
[INFO] tweaked toml for crates.io crate dano 0.9.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dano 0.9.1 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 dano 0.9.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b626fd141f7bea8c33b1a768420d3b4392b89f193a97ec0831137595fe14e7b0
[INFO] running `Command { std: "docker" "start" "-a" "b626fd141f7bea8c33b1a768420d3b4392b89f193a97ec0831137595fe14e7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b626fd141f7bea8c33b1a768420d3b4392b89f193a97ec0831137595fe14e7b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b626fd141f7bea8c33b1a768420d3b4392b89f193a97ec0831137595fe14e7b0", kill_on_drop: false }`
[INFO] [stdout] b626fd141f7bea8c33b1a768420d3b4392b89f193a97ec0831137595fe14e7b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f57124d96e9f23f8a39c50ead3b17e1860a03461dcbd34c083835d89941f1137
[INFO] running `Command { std: "docker" "start" "-a" "f57124d96e9f23f8a39c50ead3b17e1860a03461dcbd34c083835d89941f1137", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling crossbeam-utils v0.8.18
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling env_home v0.1.0
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling which v7.0.1
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling dano v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FileMetadataV3` is never constructed
[INFO] [stdout]    --> src/versions.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub struct FileMetadataV3 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileMetadataV4` is never constructed
[INFO] [stdout]    --> src/versions.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct FileMetadataV4 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.90s
[INFO] running `Command { std: "docker" "inspect" "f57124d96e9f23f8a39c50ead3b17e1860a03461dcbd34c083835d89941f1137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f57124d96e9f23f8a39c50ead3b17e1860a03461dcbd34c083835d89941f1137", kill_on_drop: false }`
[INFO] [stdout] f57124d96e9f23f8a39c50ead3b17e1860a03461dcbd34c083835d89941f1137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ff6a05863f4db8522171b21a0793b5ed9c4d2dc53d2680aa02cec57b18e00201
[INFO] running `Command { std: "docker" "start" "-a" "ff6a05863f4db8522171b21a0793b5ed9c4d2dc53d2680aa02cec57b18e00201", kill_on_drop: false }`
[INFO] [stderr]    Compiling dano v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FileMetadataV3` is never constructed
[INFO] [stdout]    --> src/versions.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 | pub struct FileMetadataV3 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileMetadataV4` is never constructed
[INFO] [stdout]    --> src/versions.rs:244:12
[INFO] [stdout]     |
[INFO] [stdout] 244 | pub struct FileMetadataV4 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "ff6a05863f4db8522171b21a0793b5ed9c4d2dc53d2680aa02cec57b18e00201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6a05863f4db8522171b21a0793b5ed9c4d2dc53d2680aa02cec57b18e00201", kill_on_drop: false }`
[INFO] [stdout] ff6a05863f4db8522171b21a0793b5ed9c4d2dc53d2680aa02cec57b18e00201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ff6ce6f2d4b4522dfabc3a052745a5256459bb8ba6611b55f27e85f776f150a2
[INFO] running `Command { std: "docker" "start" "-a" "ff6ce6f2d4b4522dfabc3a052745a5256459bb8ba6611b55f27e85f776f150a2", kill_on_drop: false }`
[INFO] [stderr] warning: struct `FileMetadataV3` is never constructed
[INFO] [stderr]    --> src/versions.rs:196:12
[INFO] [stderr]     |
[INFO] [stderr] 196 | pub struct FileMetadataV3 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FileMetadataV4` is never constructed
[INFO] [stderr]    --> src/versions.rs:244:12
[INFO] [stderr]     |
[INFO] [stderr] 244 | pub struct FileMetadataV4 {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `dano` (bin "dano" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/dano-775ab3cc56e03893)
[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" "ff6ce6f2d4b4522dfabc3a052745a5256459bb8ba6611b55f27e85f776f150a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff6ce6f2d4b4522dfabc3a052745a5256459bb8ba6611b55f27e85f776f150a2", kill_on_drop: false }`
[INFO] [stdout] ff6ce6f2d4b4522dfabc3a052745a5256459bb8ba6611b55f27e85f776f150a2