[INFO] fetching crate justshow 0.0.1... [INFO] testing justshow-0.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate justshow 0.0.1 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate justshow 0.0.1 [INFO] finished tweaking crates.io crate justshow 0.0.1 [INFO] tweaked toml for crates.io crate justshow 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate justshow 0.0.1 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 justshow 0.0.1 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99228649a38dfe6e7f058260008004a26b47f928d723c6341bd5f0fa05089ed4 [INFO] running `Command { std: "docker" "start" "-a" "99228649a38dfe6e7f058260008004a26b47f928d723c6341bd5f0fa05089ed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99228649a38dfe6e7f058260008004a26b47f928d723c6341bd5f0fa05089ed4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99228649a38dfe6e7f058260008004a26b47f928d723c6341bd5f0fa05089ed4", kill_on_drop: false }` [INFO] [stdout] 99228649a38dfe6e7f058260008004a26b47f928d723c6341bd5f0fa05089ed4 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4bf72c6021292ad7357657cc7b7178f442526b60961d34fe3251965ae848ee20 [INFO] running `Command { std: "docker" "start" "-a" "4bf72c6021292ad7357657cc7b7178f442526b60961d34fe3251965ae848ee20", kill_on_drop: false }` [INFO] [stderr] Compiling justshow v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/x11/xauth.rs:36:28 [INFO] [stdout] | [INFO] [stdout] 36 | .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [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] 36 - .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [INFO] [stdout] 36 + .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.31s [INFO] running `Command { std: "docker" "inspect" "4bf72c6021292ad7357657cc7b7178f442526b60961d34fe3251965ae848ee20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bf72c6021292ad7357657cc7b7178f442526b60961d34fe3251965ae848ee20", kill_on_drop: false }` [INFO] [stdout] 4bf72c6021292ad7357657cc7b7178f442526b60961d34fe3251965ae848ee20 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3cde6d30fa91bc3e2d1d7f781645a7522a2d4919161f36542d076fdfb6efe696 [INFO] running `Command { std: "docker" "start" "-a" "3cde6d30fa91bc3e2d1d7f781645a7522a2d4919161f36542d076fdfb6efe696", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/x11/xauth.rs:36:28 [INFO] [stdout] | [INFO] [stdout] 36 | .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [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] 36 - .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [INFO] [stdout] 36 + .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling justshow v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/x11/xauth.rs:36:28 [INFO] [stdout] | [INFO] [stdout] 36 | .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [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] 36 - .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [INFO] [stdout] 36 + .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.27s [INFO] running `Command { std: "docker" "inspect" "3cde6d30fa91bc3e2d1d7f781645a7522a2d4919161f36542d076fdfb6efe696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cde6d30fa91bc3e2d1d7f781645a7522a2d4919161f36542d076fdfb6efe696", kill_on_drop: false }` [INFO] [stdout] 3cde6d30fa91bc3e2d1d7f781645a7522a2d4919161f36542d076fdfb6efe696 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a2af79edeafacccc8b9f147899e949d5424c98d40af7d2e4dcc5588a1187a0d8 [INFO] running `Command { std: "docker" "start" "-a" "a2af79edeafacccc8b9f147899e949d5424c98d40af7d2e4dcc5588a1187a0d8", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around closure body [INFO] [stderr] --> src/x11/xauth.rs:36:28 [INFO] [stderr] | [INFO] [stderr] 36 | .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [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] 36 - .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [INFO] [stderr] 36 + .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `justshow` (lib) generated 1 warning (run `cargo fix --lib -p justshow` to apply 1 suggestion) [INFO] [stderr] warning: `justshow` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/justshow-9bce20a0c5507abe) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test x11::list_of_str_roundtrip ... 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] [stderr] Running unittests src/bin/pong.rs (/opt/rustwide/target/debug/deps/pong-e4b12dddec521179) [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] Running unittests src/bin/xlsfonts.rs (/opt/rustwide/target/debug/deps/xlsfonts-378e876afa0f6e6b) [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 justshow [INFO] [stderr] warning: unnecessary parentheses around closure body [INFO] [stderr] --> src/x11/xauth.rs:36:28 [INFO] [stderr] | [INFO] [stderr] 36 | .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [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] 36 - .map_err(|err| (Error::CouldNotReadXAuthFile(path.to_string(), err)))?; [INFO] [stderr] 36 + .map_err(|err| Error::CouldNotReadXAuthFile(path.to_string(), err))?; [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" "a2af79edeafacccc8b9f147899e949d5424c98d40af7d2e4dcc5588a1187a0d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2af79edeafacccc8b9f147899e949d5424c98d40af7d2e4dcc5588a1187a0d8", kill_on_drop: false }` [INFO] [stdout] a2af79edeafacccc8b9f147899e949d5424c98d40af7d2e4dcc5588a1187a0d8