[INFO] fetching crate tiny_tco 0.1.6...
[INFO] testing tiny_tco-0.1.6 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate tiny_tco 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate tiny_tco 0.1.6
[INFO] finished tweaking crates.io crate tiny_tco 0.1.6
[INFO] tweaked toml for crates.io crate tiny_tco 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny_tco 0.1.6 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] 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] 3074434522c7c922773a705aac0ca2f55001f608b947c4c52ec41f29048d9628
[INFO] running `Command { std: "docker" "start" "-a" "3074434522c7c922773a705aac0ca2f55001f608b947c4c52ec41f29048d9628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3074434522c7c922773a705aac0ca2f55001f608b947c4c52ec41f29048d9628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3074434522c7c922773a705aac0ca2f55001f608b947c4c52ec41f29048d9628", kill_on_drop: false }`
[INFO] [stdout] 3074434522c7c922773a705aac0ca2f55001f608b947c4c52ec41f29048d9628
[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] 02f4d3c19eb42b0960077eb44cbdd7925afc91a768fc5a93546dbfc72ada1692
[INFO] running `Command { std: "docker" "start" "-a" "02f4d3c19eb42b0960077eb44cbdd7925afc91a768fc5a93546dbfc72ada1692", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny_tco v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "02f4d3c19eb42b0960077eb44cbdd7925afc91a768fc5a93546dbfc72ada1692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02f4d3c19eb42b0960077eb44cbdd7925afc91a768fc5a93546dbfc72ada1692", kill_on_drop: false }`
[INFO] [stdout] 02f4d3c19eb42b0960077eb44cbdd7925afc91a768fc5a93546dbfc72ada1692
[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] a2b182c23f38c933d3216c2ca9fbb8e1ef333a246da7b92317f2c2e2dcfecfd8
[INFO] running `Command { std: "docker" "start" "-a" "a2b182c23f38c933d3216c2ca9fbb8e1ef333a246da7b92317f2c2e2dcfecfd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny_tco v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |         if (x == 0) {
[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] 31 -         if (x == 0) {
[INFO] [stdout] 31 +         if x == 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "a2b182c23f38c933d3216c2ca9fbb8e1ef333a246da7b92317f2c2e2dcfecfd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b182c23f38c933d3216c2ca9fbb8e1ef333a246da7b92317f2c2e2dcfecfd8", kill_on_drop: false }`
[INFO] [stdout] a2b182c23f38c933d3216c2ca9fbb8e1ef333a246da7b92317f2c2e2dcfecfd8
[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] 294f1e1c32f47a380794200886426bfda9e0d9ce7d7ce2e3c480c3555a6b087f
[INFO] running `Command { std: "docker" "start" "-a" "294f1e1c32f47a380794200886426bfda9e0d9ce7d7ce2e3c480c3555a6b087f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/lib.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |         if (x == 0) {
[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] 31 -         if (x == 0) {
[INFO] [stderr] 31 +         if x == 0 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny_tco` (lib test) generated 1 warning (run `cargo fix --lib -p tiny_tco --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiny_tco-5aa78fee486fd3ae)
[INFO] [stderr]    Doc-tests tiny_tco
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "294f1e1c32f47a380794200886426bfda9e0d9ce7d7ce2e3c480c3555a6b087f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294f1e1c32f47a380794200886426bfda9e0d9ce7d7ce2e3c480c3555a6b087f", kill_on_drop: false }`
[INFO] [stdout] 294f1e1c32f47a380794200886426bfda9e0d9ce7d7ce2e3c480c3555a6b087f