[INFO] fetching crate oma-mirror 0.7.0...
[INFO] testing oma-mirror-0.7.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate oma-mirror 0.7.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate oma-mirror 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate oma-mirror 0.7.0
[INFO] tweaked toml for crates.io crate oma-mirror 0.7.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oma-mirror 0.7.0 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] crate crates.io crate oma-mirror 0.7.0 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" "+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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6f6f995a532dd0f36fdcadcec726bfd4552d5d8f68a93a700fcff49c6cc4e16e
[INFO] running `Command { std: "docker" "start" "-a" "6f6f995a532dd0f36fdcadcec726bfd4552d5d8f68a93a700fcff49c6cc4e16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f6f995a532dd0f36fdcadcec726bfd4552d5d8f68a93a700fcff49c6cc4e16e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f6f995a532dd0f36fdcadcec726bfd4552d5d8f68a93a700fcff49c6cc4e16e", kill_on_drop: false }`
[INFO] [stdout] 6f6f995a532dd0f36fdcadcec726bfd4552d5d8f68a93a700fcff49c6cc4e16e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a0dcd987981c05a8acbba725ff86e5792bc1d4de845aefcfcb4a962ba900cf13
[INFO] running `Command { std: "docker" "start" "-a" "a0dcd987981c05a8acbba725ff86e5792bc1d4de845aefcfcb4a962ba900cf13", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling toml_parser v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling snafu-derive v0.8.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling snafu v0.8.6
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_spanned v1.0.0
[INFO] [stderr]    Compiling toml_datetime v0.7.0
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]    Compiling toml v0.9.5
[INFO] [stderr]    Compiling oma-mirror v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Branch` is never constructed
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Branch {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.35s
[INFO] running `Command { std: "docker" "inspect" "a0dcd987981c05a8acbba725ff86e5792bc1d4de845aefcfcb4a962ba900cf13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0dcd987981c05a8acbba725ff86e5792bc1d4de845aefcfcb4a962ba900cf13", kill_on_drop: false }`
[INFO] [stdout] a0dcd987981c05a8acbba725ff86e5792bc1d4de845aefcfcb4a962ba900cf13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 96510c3cb2036c104f634502405e98fd06926ed990b03372d84b46c8c6797682
[INFO] running `Command { std: "docker" "start" "-a" "96510c3cb2036c104f634502405e98fd06926ed990b03372d84b46c8c6797682", kill_on_drop: false }`
[INFO] [stdout] warning: struct `Branch` is never constructed
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Branch {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling oma-mirror v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Branch` is never constructed
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Branch {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "96510c3cb2036c104f634502405e98fd06926ed990b03372d84b46c8c6797682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96510c3cb2036c104f634502405e98fd06926ed990b03372d84b46c8c6797682", kill_on_drop: false }`
[INFO] [stdout] 96510c3cb2036c104f634502405e98fd06926ed990b03372d84b46c8c6797682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ba8b5987b7be9921e7cded2f4e842268d92957751cba6c9f8cc6a1d56306cebd
[INFO] running `Command { std: "docker" "start" "-a" "ba8b5987b7be9921e7cded2f4e842268d92957751cba6c9f8cc6a1d56306cebd", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Branch` is never constructed
[INFO] [stderr]   --> src/lib.rs:26:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | struct Branch {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `oma-mirror` (lib) generated 1 warning
[INFO] [stderr] warning: `oma-mirror` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/oma_mirror-dca807dc73ff3270)
[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] [stderr]    Doc-tests oma_mirror
[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" "ba8b5987b7be9921e7cded2f4e842268d92957751cba6c9f8cc6a1d56306cebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8b5987b7be9921e7cded2f4e842268d92957751cba6c9f8cc6a1d56306cebd", kill_on_drop: false }`
[INFO] [stdout] ba8b5987b7be9921e7cded2f4e842268d92957751cba6c9f8cc6a1d56306cebd