[INFO] fetching crate muff 0.1.4... [INFO] testing muff-0.1.4 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate muff 0.1.4 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate muff 0.1.4 [INFO] finished tweaking crates.io crate muff 0.1.4 [INFO] tweaked toml for crates.io crate muff 0.1.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate muff 0.1.4 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 16 packages to latest compatible versions [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.48) [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] 590e2fbc497b9d73d67fdb07492d41efd6b395a4f86888e041343d1577612a98 [INFO] running `Command { std: "docker" "start" "-a" "590e2fbc497b9d73d67fdb07492d41efd6b395a4f86888e041343d1577612a98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "590e2fbc497b9d73d67fdb07492d41efd6b395a4f86888e041343d1577612a98", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "590e2fbc497b9d73d67fdb07492d41efd6b395a4f86888e041343d1577612a98", kill_on_drop: false }` [INFO] [stdout] 590e2fbc497b9d73d67fdb07492d41efd6b395a4f86888e041343d1577612a98 [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] ba4b91c335febef09b75dd5682bae0c862340e194aeae6fc9ed833b6749ac7f6 [INFO] running `Command { std: "docker" "start" "-a" "ba4b91c335febef09b75dd5682bae0c862340e194aeae6fc9ed833b6749ac7f6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Compiling crossbeam-channel v0.5.15 [INFO] [stderr] Compiling pbr v1.1.1 [INFO] [stderr] Compiling muff v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:279:9 [INFO] [stdout] | [INFO] [stdout] 279 | let mut mb = MultiBar::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `fs`, `options`, `dump`, and `pass` are never read [INFO] [stdout] --> src/mount.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Mount { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | pub fs: OsString, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | pub options: OsString, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | pub dump: OsString, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | pub pass: OsString, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s [INFO] running `Command { std: "docker" "inspect" "ba4b91c335febef09b75dd5682bae0c862340e194aeae6fc9ed833b6749ac7f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba4b91c335febef09b75dd5682bae0c862340e194aeae6fc9ed833b6749ac7f6", kill_on_drop: false }` [INFO] [stdout] ba4b91c335febef09b75dd5682bae0c862340e194aeae6fc9ed833b6749ac7f6 [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] 384771ee83fd61aa4c4e103b5abac0d1b9a57763348054381cd5636b0d034eb9 [INFO] running `Command { std: "docker" "start" "-a" "384771ee83fd61aa4c4e103b5abac0d1b9a57763348054381cd5636b0d034eb9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling muff v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:279:9 [INFO] [stdout] | [INFO] [stdout] 279 | let mut mb = MultiBar::new(); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `fs`, `options`, `dump`, and `pass` are never read [INFO] [stdout] --> src/mount.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Mount { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | pub fs: OsString, [INFO] [stdout] | ^^ [INFO] [stdout] 11 | pub options: OsString, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | pub dump: OsString, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | pub pass: OsString, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "384771ee83fd61aa4c4e103b5abac0d1b9a57763348054381cd5636b0d034eb9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "384771ee83fd61aa4c4e103b5abac0d1b9a57763348054381cd5636b0d034eb9", kill_on_drop: false }` [INFO] [stdout] 384771ee83fd61aa4c4e103b5abac0d1b9a57763348054381cd5636b0d034eb9 [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] 34c3e25cf70da2ce437137722cbca19894eaa9d30a5ab7f8a22f654cb492395b [INFO] running `Command { std: "docker" "start" "-a" "34c3e25cf70da2ce437137722cbca19894eaa9d30a5ab7f8a22f654cb492395b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:279:9 [INFO] [stderr] | [INFO] [stderr] 279 | let mut mb = MultiBar::new(); [INFO] [stderr] | ----^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: fields `fs`, `options`, `dump`, and `pass` are never read [INFO] [stderr] --> src/mount.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct Mount { [INFO] [stderr] | ----- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 10 | pub fs: OsString, [INFO] [stderr] | ^^ [INFO] [stderr] 11 | pub options: OsString, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 12 | pub dump: OsString, [INFO] [stderr] | ^^^^ [INFO] [stderr] 13 | pub pass: OsString, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `muff` (bin "muff" test) generated 2 warnings (run `cargo fix --bin "muff" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/muff-b2a6e02e4ad7e21b) [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" "34c3e25cf70da2ce437137722cbca19894eaa9d30a5ab7f8a22f654cb492395b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34c3e25cf70da2ce437137722cbca19894eaa9d30a5ab7f8a22f654cb492395b", kill_on_drop: false }` [INFO] [stdout] 34c3e25cf70da2ce437137722cbca19894eaa9d30a5ab7f8a22f654cb492395b