[INFO] fetching crate scoped_signal 0.1.2... [INFO] testing scoped_signal-0.1.2 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate scoped_signal 0.1.2 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate scoped_signal 0.1.2 [INFO] finished tweaking crates.io crate scoped_signal 0.1.2 [INFO] tweaked toml for crates.io crate scoped_signal 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate scoped_signal 0.1.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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 arr_macro v0.1.3 (available: v0.2.1) [INFO] [stderr] Adding array-macro v1.0.5 (available: v2.1.8) [INFO] [stderr] Adding nix v0.17.0 (available: v0.30.1) [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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 81f6c03237633b45b15d694d86bdf348f15676ac7a2e07511b02733e095be917 [INFO] running `Command { std: "docker" "start" "-a" "81f6c03237633b45b15d694d86bdf348f15676ac7a2e07511b02733e095be917", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81f6c03237633b45b15d694d86bdf348f15676ac7a2e07511b02733e095be917", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81f6c03237633b45b15d694d86bdf348f15676ac7a2e07511b02733e095be917", kill_on_drop: false }` [INFO] [stdout] 81f6c03237633b45b15d694d86bdf348f15676ac7a2e07511b02733e095be917 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a69cc7a6084ce34b3ba206ff72ea211312c3f28f6f599b9dd50338e93345138d [INFO] running `Command { std: "docker" "start" "-a" "a69cc7a6084ce34b3ba206ff72ea211312c3f28f6f599b9dd50338e93345138d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling array-macro v1.0.5 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling arr_macro_impl v0.1.3 [INFO] [stderr] Compiling arr_macro v0.1.3 [INFO] [stderr] Compiling scoped_signal v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `after` is never read [INFO] [stdout] --> src/lib.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 68 | pub struct SignalScope { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 73 | after: Option [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 8.18s [INFO] running `Command { std: "docker" "inspect" "a69cc7a6084ce34b3ba206ff72ea211312c3f28f6f599b9dd50338e93345138d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a69cc7a6084ce34b3ba206ff72ea211312c3f28f6f599b9dd50338e93345138d", kill_on_drop: false }` [INFO] [stdout] a69cc7a6084ce34b3ba206ff72ea211312c3f28f6f599b9dd50338e93345138d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5b553f8c040c814bfdf746ebf8ce98c945a51e9fe1bbb896cb502cac3f4820b6 [INFO] running `Command { std: "docker" "start" "-a" "5b553f8c040c814bfdf746ebf8ce98c945a51e9fe1bbb896cb502cac3f4820b6", kill_on_drop: false }` [INFO] [stdout] warning: field `after` is never read [INFO] [stdout] --> src/lib.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 68 | pub struct SignalScope { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 73 | after: Option [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling scoped_signal v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `after` is never read [INFO] [stdout] --> src/lib.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 68 | pub struct SignalScope { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 73 | after: Option [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 0.40s [INFO] running `Command { std: "docker" "inspect" "5b553f8c040c814bfdf746ebf8ce98c945a51e9fe1bbb896cb502cac3f4820b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b553f8c040c814bfdf746ebf8ce98c945a51e9fe1bbb896cb502cac3f4820b6", kill_on_drop: false }` [INFO] [stdout] 5b553f8c040c814bfdf746ebf8ce98c945a51e9fe1bbb896cb502cac3f4820b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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", kill_on_drop: false }` [INFO] [stdout] 26f465f01788a70ce7053576c6ea7b88f59d57e47005dfd1bfff2534aa76bf7f [INFO] running `Command { std: "docker" "start" "-a" "26f465f01788a70ce7053576c6ea7b88f59d57e47005dfd1bfff2534aa76bf7f", kill_on_drop: false }` [INFO] [stderr] warning: field `after` is never read [INFO] [stderr] --> src/lib.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 68 | pub struct SignalScope { [INFO] [stderr] | ----------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 73 | after: Option [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `scoped_signal` (lib) generated 1 warning [INFO] [stderr] warning: `scoped_signal` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scoped_signal-ac29cc6ed77124bf) [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 scoped_signal [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" "26f465f01788a70ce7053576c6ea7b88f59d57e47005dfd1bfff2534aa76bf7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26f465f01788a70ce7053576c6ea7b88f59d57e47005dfd1bfff2534aa76bf7f", kill_on_drop: false }` [INFO] [stdout] 26f465f01788a70ce7053576c6ea7b88f59d57e47005dfd1bfff2534aa76bf7f