[INFO] fetching crate cauz 0.0.3...
[INFO] testing cauz-0.0.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cauz 0.0.3 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate cauz 0.0.3
[INFO] finished tweaking crates.io crate cauz 0.0.3
[INFO] tweaked toml for crates.io crate cauz 0.0.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cauz 0.0.3 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 cauz 0.0.3 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bf7bcfcbe92bc1b7d99ea4bd238b6a1aab525989d723eb23626456a92e9b1765
[INFO] running `Command { std: "docker" "start" "-a" "bf7bcfcbe92bc1b7d99ea4bd238b6a1aab525989d723eb23626456a92e9b1765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf7bcfcbe92bc1b7d99ea4bd238b6a1aab525989d723eb23626456a92e9b1765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf7bcfcbe92bc1b7d99ea4bd238b6a1aab525989d723eb23626456a92e9b1765", kill_on_drop: false }`
[INFO] [stdout] bf7bcfcbe92bc1b7d99ea4bd238b6a1aab525989d723eb23626456a92e9b1765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 116d12921c53a6d1f019c0020345ae05bccd043df25dc235c662a4dca178c896
[INFO] running `Command { std: "docker" "start" "-a" "116d12921c53a6d1f019c0020345ae05bccd043df25dc235c662a4dca178c896", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling cauz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |                           ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "116d12921c53a6d1f019c0020345ae05bccd043df25dc235c662a4dca178c896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116d12921c53a6d1f019c0020345ae05bccd043df25dc235c662a4dca178c896", kill_on_drop: false }`
[INFO] [stdout] 116d12921c53a6d1f019c0020345ae05bccd043df25dc235c662a4dca178c896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5f4f65477b39477e6d408bbf8f29a8eef50500b8280db883be47c8d7c6121514
[INFO] running `Command { std: "docker" "start" "-a" "5f4f65477b39477e6d408bbf8f29a8eef50500b8280db883be47c8d7c6121514", kill_on_drop: false }`
[INFO] [stderr]    Compiling cauz v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |                           ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |                           ^                         ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "5f4f65477b39477e6d408bbf8f29a8eef50500b8280db883be47c8d7c6121514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4f65477b39477e6d408bbf8f29a8eef50500b8280db883be47c8d7c6121514", kill_on_drop: false }`
[INFO] [stdout] 5f4f65477b39477e6d408bbf8f29a8eef50500b8280db883be47c8d7c6121514
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 66b10c769f12d87cb5a24b81e09dff3368790f721da86300634893c14c1488c3
[INFO] running `Command { std: "docker" "start" "-a" "66b10c769f12d87cb5a24b81e09dff3368790f721da86300634893c14c1488c3", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/lib.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr]    |                           ^                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `cauz` (lib) generated 1 warning (run `cargo fix --lib -p cauz` to apply 1 suggestion)
[INFO] [stderr] warning: `cauz` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cauz-3c612038654b38fd)
[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 cauz
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/lib.rs:62:21
[INFO] [stderr]    |
[INFO] [stderr] 62 |         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr]    |                           ^                         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 62 -         (self.map_err(|e| (e.into() as anyhow::Error)) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr] 62 +         (self.map_err(|e| e.into() as anyhow::Error) as anyhow::Result<_>).with_context(|| cause)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "66b10c769f12d87cb5a24b81e09dff3368790f721da86300634893c14c1488c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b10c769f12d87cb5a24b81e09dff3368790f721da86300634893c14c1488c3", kill_on_drop: false }`
[INFO] [stdout] 66b10c769f12d87cb5a24b81e09dff3368790f721da86300634893c14c1488c3