[INFO] fetching crate ruc 8.1.4...
[INFO] testing ruc-8.1.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate ruc 8.1.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ruc 8.1.4
[INFO] finished tweaking crates.io crate ruc 8.1.4
[INFO] tweaked toml for crates.io crate ruc 8.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruc 8.1.4 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 ruc 8.1.4 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] [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] ad534a1a17fcd43b4206879a27d49fca4be8dbc4e71a4dadb132f92d5afe0180
[INFO] running `Command { std: "docker" "start" "-a" "ad534a1a17fcd43b4206879a27d49fca4be8dbc4e71a4dadb132f92d5afe0180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad534a1a17fcd43b4206879a27d49fca4be8dbc4e71a4dadb132f92d5afe0180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad534a1a17fcd43b4206879a27d49fca4be8dbc4e71a4dadb132f92d5afe0180", kill_on_drop: false }`
[INFO] [stdout] ad534a1a17fcd43b4206879a27d49fca4be8dbc4e71a4dadb132f92d5afe0180
[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] bbffa3cdf76ff0fcf6336b2fb1bc4b9f0fae8ed1bdd41d3c20e566254640561e
[INFO] running `Command { std: "docker" "start" "-a" "bbffa3cdf76ff0fcf6336b2fb1bc4b9f0fae8ed1bdd41d3c20e566254640561e", kill_on_drop: false }`
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling ruc v8.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "bbffa3cdf76ff0fcf6336b2fb1bc4b9f0fae8ed1bdd41d3c20e566254640561e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbffa3cdf76ff0fcf6336b2fb1bc4b9f0fae8ed1bdd41d3c20e566254640561e", kill_on_drop: false }`
[INFO] [stdout] bbffa3cdf76ff0fcf6336b2fb1bc4b9f0fae8ed1bdd41d3c20e566254640561e
[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] 4d532561a5ee014413d2c28d22a5498da59b973c1c3ca71689308ae14cbee3bf
[INFO] running `Command { std: "docker" "start" "-a" "4d532561a5ee014413d2c28d22a5498da59b973c1c3ca71689308ae14cbee3bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruc v8.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::*`
[INFO] [stdout]    --> src/common.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     use crate::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "4d532561a5ee014413d2c28d22a5498da59b973c1c3ca71689308ae14cbee3bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d532561a5ee014413d2c28d22a5498da59b973c1c3ca71689308ae14cbee3bf", kill_on_drop: false }`
[INFO] [stdout] 4d532561a5ee014413d2c28d22a5498da59b973c1c3ca71689308ae14cbee3bf
[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] 943846efbf8aacedc60e8590b5fb49470f7d69f9afd4f077fc08e83a15a9e8f2
[INFO] running `Command { std: "docker" "start" "-a" "943846efbf8aacedc60e8590b5fb49470f7d69f9afd4f077fc08e83a15a9e8f2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::*`
[INFO] [stderr]    --> src/common.rs:177:9
[INFO] [stderr]     |
[INFO] [stderr] 177 |     use crate::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:9
[INFO] [stderr]     |
[INFO] [stderr]   2 | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(unused_imports)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: `ruc` (lib test) generated 1 warning (run `cargo fix --lib -p ruc --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ruc-fead795acd273c92)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test common::tests::t_map_set ... ok
[INFO] [stdout] test common::tests::t_max_min ... ok
[INFO] [stdout] test err::test::t_get_pidns ... ok
[INFO] [stdout] test err::macros::tests::t_macros ... ok
[INFO] [stdout] test common::tests::t_sleep_ms ... ok
[INFO] [stdout] test common::tests::t_bmap_bset ... ok
[INFO] [stdout] test err::macros::tests::t_display_style - should panic ... ok
[INFO] [stdout] test err::test::t_error_chain ... ok
[INFO] [stdout] test common::tests::t_alt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ruc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/err/mod.rs - err (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.54s; merged doctests compilation took 0.53s
[INFO] running `Command { std: "docker" "inspect" "943846efbf8aacedc60e8590b5fb49470f7d69f9afd4f077fc08e83a15a9e8f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943846efbf8aacedc60e8590b5fb49470f7d69f9afd4f077fc08e83a15a9e8f2", kill_on_drop: false }`
[INFO] [stdout] 943846efbf8aacedc60e8590b5fb49470f7d69f9afd4f077fc08e83a15a9e8f2