[INFO] fetching crate mischef 0.1.16...
[INFO] testing mischef-0.1.16 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mischef 0.1.16 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mischef 0.1.16
[INFO] finished tweaking crates.io crate mischef 0.1.16
[INFO] tweaked toml for crates.io crate mischef 0.1.16 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mischef 0.1.16 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding crossterm v0.27.0 (available: v0.29.0)
[INFO] [stderr]       Adding ratatui v0.24.0 (available: v0.29.0)
[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] 7cf2bfbd2cc3cef6cf0d0189ecffd1a84a3920b69eae3811d1a03a4e34a98697
[INFO] running `Command { std: "docker" "start" "-a" "7cf2bfbd2cc3cef6cf0d0189ecffd1a84a3920b69eae3811d1a03a4e34a98697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cf2bfbd2cc3cef6cf0d0189ecffd1a84a3920b69eae3811d1a03a4e34a98697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cf2bfbd2cc3cef6cf0d0189ecffd1a84a3920b69eae3811d1a03a4e34a98697", kill_on_drop: false }`
[INFO] [stdout] 7cf2bfbd2cc3cef6cf0d0189ecffd1a84a3920b69eae3811d1a03a4e34a98697
[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] eb261654f96507e244c07b4f80b3388e61651e0de1fd9e5e746431d1f1adee5b
[INFO] running `Command { std: "docker" "start" "-a" "eb261654f96507e244c07b4f80b3388e61651e0de1fd9e5e746431d1f1adee5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling strum v0.25.0
[INFO] [stderr]    Compiling ratatui v0.24.0
[INFO] [stderr]    Compiling mischef v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]    --> src/lib.rs:764:41
[INFO] [stdout]     |
[INFO] [stdout] 764 |     fn render(&mut self, f: &mut Frame, cache: &mut (), area: Rect) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.02s
[INFO] running `Command { std: "docker" "inspect" "eb261654f96507e244c07b4f80b3388e61651e0de1fd9e5e746431d1f1adee5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb261654f96507e244c07b4f80b3388e61651e0de1fd9e5e746431d1f1adee5b", kill_on_drop: false }`
[INFO] [stdout] eb261654f96507e244c07b4f80b3388e61651e0de1fd9e5e746431d1f1adee5b
[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] a06d2ff375bba0ad93ed9f6e23e292dc404ef5c83118ce142c6f6e21ae6f5533
[INFO] running `Command { std: "docker" "start" "-a" "a06d2ff375bba0ad93ed9f6e23e292dc404ef5c83118ce142c6f6e21ae6f5533", kill_on_drop: false }`
[INFO] [stderr]    Compiling mischef v0.1.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]    --> src/lib.rs:764:41
[INFO] [stdout]     |
[INFO] [stdout] 764 |     fn render(&mut self, f: &mut Frame, cache: &mut (), area: Rect) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cache`
[INFO] [stdout]    --> src/lib.rs:764:41
[INFO] [stdout]     |
[INFO] [stdout] 764 |     fn render(&mut self, f: &mut Frame, cache: &mut (), area: Rect) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a06d2ff375bba0ad93ed9f6e23e292dc404ef5c83118ce142c6f6e21ae6f5533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06d2ff375bba0ad93ed9f6e23e292dc404ef5c83118ce142c6f6e21ae6f5533", kill_on_drop: false }`
[INFO] [stdout] a06d2ff375bba0ad93ed9f6e23e292dc404ef5c83118ce142c6f6e21ae6f5533
[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] 774734d18eb48258bc4331411b710a13a50548f2aea056e40e6d6ab07ac8e168
[INFO] running `Command { std: "docker" "start" "-a" "774734d18eb48258bc4331411b710a13a50548f2aea056e40e6d6ab07ac8e168", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `cache`
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:764:41
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 764 |     fn render(&mut self, f: &mut Frame, cache: &mut (), area: Rect) {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_cache`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mischef` (lib) generated 1 warning
[INFO] [stderr] warning: `mischef` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mischef-28cd66c85cb02862)
[INFO] [stderr]    Doc-tests mischef
[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" "774734d18eb48258bc4331411b710a13a50548f2aea056e40e6d6ab07ac8e168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "774734d18eb48258bc4331411b710a13a50548f2aea056e40e6d6ab07ac8e168", kill_on_drop: false }`
[INFO] [stdout] 774734d18eb48258bc4331411b710a13a50548f2aea056e40e6d6ab07ac8e168