[INFO] fetching crate gaffer 0.2.0... [INFO] building gaffer-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate gaffer 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate gaffer 0.2.0 [INFO] finished tweaking crates.io crate gaffer 0.2.0 [INFO] tweaked toml for crates.io crate gaffer 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gaffer 0.2.0 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 gaffer 0.2.0 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] 5cabec48a800fb60b6ad0106732a0bb335fc02bd4c5bb22071a675b9b3d79c80 [INFO] running `Command { std: "docker" "start" "-a" "5cabec48a800fb60b6ad0106732a0bb335fc02bd4c5bb22071a675b9b3d79c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cabec48a800fb60b6ad0106732a0bb335fc02bd4c5bb22071a675b9b3d79c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cabec48a800fb60b6ad0106732a0bb335fc02bd4c5bb22071a675b9b3d79c80", kill_on_drop: false }` [INFO] [stdout] 5cabec48a800fb60b6ad0106732a0bb335fc02bd4c5bb22071a675b9b3d79c80 [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] 98315dad1b31e189b8bd8b9166c2304239fcb192142c087e36bc9b1c003dc295 [INFO] running `Command { std: "docker" "start" "-a" "98315dad1b31e189b8bd8b9166c2304239fcb192142c087e36bc9b1c003dc295", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling gaffer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: enum `NeverRecur` is never used [INFO] [stdout] --> src/source.rs:186:6 [INFO] [stdout] | [INFO] [stdout] 186 | enum NeverRecur {} [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 1.87s [INFO] running `Command { std: "docker" "inspect" "98315dad1b31e189b8bd8b9166c2304239fcb192142c087e36bc9b1c003dc295", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98315dad1b31e189b8bd8b9166c2304239fcb192142c087e36bc9b1c003dc295", kill_on_drop: false }` [INFO] [stdout] 98315dad1b31e189b8bd8b9166c2304239fcb192142c087e36bc9b1c003dc295 [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] b86b95d187be92f67a345e7c663901885454012057cd4393f7cc65ad82fb9b56 [INFO] running `Command { std: "docker" "start" "-a" "b86b95d187be92f67a345e7c663901885454012057cd4393f7cc65ad82fb9b56", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling syn v1.0.80 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Compiling futures-sink v0.3.17 [INFO] [stderr] Compiling futures-macro v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Compiling futures-io v0.3.17 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stdout] warning: enum `NeverRecur` is never used [INFO] [stdout] --> src/source.rs:186:6 [INFO] [stdout] | [INFO] [stdout] 186 | enum NeverRecur {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling futures-executor v0.3.17 [INFO] [stderr] Compiling futures v0.3.17 [INFO] [stderr] Compiling gaffer v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/exclusion.rs:28:20 [INFO] [stdout] | [INFO] [stdout] 28 | struct ExcludedJob(String, ExclusionOption); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `ExcludedJob` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 - struct ExcludedJob(String, ExclusionOption); [INFO] [stdout] 28 + struct ExcludedJob((), ExclusionOption); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/priority_throttle.rs:22:23 [INFO] [stdout] | [INFO] [stdout] 22 | struct PrioritisedJob(String, u8); [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `PrioritisedJob` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 22 - struct PrioritisedJob(String, u8); [INFO] [stdout] 22 + struct PrioritisedJob((), u8); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/priority.rs:20:23 [INFO] [stdout] | [INFO] [stdout] 20 | struct PrioritisedJob(String, u8); [INFO] [stdout] | -------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `PrioritisedJob` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 20 - struct PrioritisedJob(String, u8); [INFO] [stdout] 20 + struct PrioritisedJob((), u8); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 17.92s [INFO] running `Command { std: "docker" "inspect" "b86b95d187be92f67a345e7c663901885454012057cd4393f7cc65ad82fb9b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86b95d187be92f67a345e7c663901885454012057cd4393f7cc65ad82fb9b56", kill_on_drop: false }` [INFO] [stdout] b86b95d187be92f67a345e7c663901885454012057cd4393f7cc65ad82fb9b56