[INFO] fetching crate nbus 2.4.1... [INFO] testing nbus-2.4.1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate nbus 2.4.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate nbus 2.4.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate nbus 2.4.1 [INFO] tweaked toml for crates.io crate nbus 2.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nbus 2.4.1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate nbus 2.4.1 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fb1de006ee6ab5f19fcf53c6de3273e9ded75f0b966380ab98ff84fc52b41e1 [INFO] running `Command { std: "docker" "start" "-a" "9fb1de006ee6ab5f19fcf53c6de3273e9ded75f0b966380ab98ff84fc52b41e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fb1de006ee6ab5f19fcf53c6de3273e9ded75f0b966380ab98ff84fc52b41e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fb1de006ee6ab5f19fcf53c6de3273e9ded75f0b966380ab98ff84fc52b41e1", kill_on_drop: false }` [INFO] [stdout] 9fb1de006ee6ab5f19fcf53c6de3273e9ded75f0b966380ab98ff84fc52b41e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4fb0a1730ca705f0e03a93d158db047a63170401c94f061ab7fe350597d6747 [INFO] running `Command { std: "docker" "start" "-a" "b4fb0a1730ca705f0e03a93d158db047a63170401c94f061ab7fe350597d6747", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.171 [INFO] [stderr] Compiling smallvec v1.14.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.14 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling nbus v2.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `target` [INFO] [stdout] --> src/lib.rs:339:32 [INFO] [stdout] | [INFO] [stdout] 339 | if !cfg!(miri) && cfg!(target = "macos") { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target, values("macos"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target, values(\"macos\"))");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | drop(state); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&SeatState` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 225 - drop(state); [INFO] [stdout] 225 + let _ = state; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s [INFO] running `Command { std: "docker" "inspect" "b4fb0a1730ca705f0e03a93d158db047a63170401c94f061ab7fe350597d6747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4fb0a1730ca705f0e03a93d158db047a63170401c94f061ab7fe350597d6747", kill_on_drop: false }` [INFO] [stdout] b4fb0a1730ca705f0e03a93d158db047a63170401c94f061ab7fe350597d6747 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95c273831e0e8abc34c36ede89c4ae8410b3b25132c852c8b66c5709ff9d79ee [INFO] running `Command { std: "docker" "start" "-a" "95c273831e0e8abc34c36ede89c4ae8410b3b25132c852c8b66c5709ff9d79ee", kill_on_drop: false }` [INFO] [stdout] warning: unexpected `cfg` condition name: `target` [INFO] [stdout] --> src/lib.rs:339:32 [INFO] [stdout] | [INFO] [stdout] 339 | if !cfg!(miri) && cfg!(target = "macos") { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target, values("macos"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target, values(\"macos\"))");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | drop(state); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&SeatState` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 225 - drop(state); [INFO] [stdout] 225 + let _ = state; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nbus v2.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0463]: can't find crate for `bus` [INFO] [stdout] --> tests/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | extern crate bus; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `target` [INFO] [stdout] --> src/lib.rs:339:32 [INFO] [stdout] | [INFO] [stdout] 339 | if !cfg!(miri) && cfg!(target = "macos") { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(target, values("macos"))'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(target, values(\"macos\"))");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/lib.rs:225:13 [INFO] [stdout] | [INFO] [stdout] 225 | drop(state); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&SeatState` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 225 - drop(state); [INFO] [stdout] 225 + let _ = state; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nbus` (test "lib") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "95c273831e0e8abc34c36ede89c4ae8410b3b25132c852c8b66c5709ff9d79ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95c273831e0e8abc34c36ede89c4ae8410b3b25132c852c8b66c5709ff9d79ee", kill_on_drop: false }` [INFO] [stdout] 95c273831e0e8abc34c36ede89c4ae8410b3b25132c852c8b66c5709ff9d79ee