[INFO] fetching crate regalloc 0.0.34... [INFO] testing regalloc-0.0.34 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate regalloc 0.0.34 into /workspace/builds/worker-16/source [INFO] validating manifest of crates.io crate regalloc 0.0.34 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate regalloc 0.0.34 [INFO] finished tweaking crates.io crate regalloc 0.0.34 [INFO] tweaked toml for crates.io crate regalloc 0.0.34 written to /workspace/builds/worker-16/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f47e53542ff3a26e24b8407c20935b59e08fc6397732e93f05cc4e2b9165b1ab [INFO] running `Command { std: "docker" "start" "-a" "f47e53542ff3a26e24b8407c20935b59e08fc6397732e93f05cc4e2b9165b1ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f47e53542ff3a26e24b8407c20935b59e08fc6397732e93f05cc4e2b9165b1ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f47e53542ff3a26e24b8407c20935b59e08fc6397732e93f05cc4e2b9165b1ab", kill_on_drop: false }` [INFO] [stdout] f47e53542ff3a26e24b8407c20935b59e08fc6397732e93f05cc4e2b9165b1ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 165eb8c83034f36fea898efe7f7e32402dd9b6e2f6471f5594a8b5807576f2f3 [INFO] running `Command { std: "docker" "start" "-a" "165eb8c83034f36fea898efe7f7e32402dd9b6e2f6471f5594a8b5807576f2f3", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling regalloc v0.0.34 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | Spill { vreg: Option }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | Reload { vreg: Option }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | Move { vreg: VirtualReg }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.60s [INFO] running `Command { std: "docker" "inspect" "165eb8c83034f36fea898efe7f7e32402dd9b6e2f6471f5594a8b5807576f2f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "165eb8c83034f36fea898efe7f7e32402dd9b6e2f6471f5594a8b5807576f2f3", kill_on_drop: false }` [INFO] [stdout] 165eb8c83034f36fea898efe7f7e32402dd9b6e2f6471f5594a8b5807576f2f3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b68b2a209cb7b55009cd38403a89ef9a6016c6124edef72bf139bd9c49d45980 [INFO] running `Command { std: "docker" "start" "-a" "b68b2a209cb7b55009cd38403a89ef9a6016c6124edef72bf139bd9c49d45980", kill_on_drop: false }` [INFO] [stderr] Compiling regalloc v0.0.34 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | Spill { vreg: Option }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | Reload { vreg: Option }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | Move { vreg: VirtualReg }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | Spill { vreg: Option }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:21:14 [INFO] [stdout] | [INFO] [stdout] 21 | Reload { vreg: Option }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `vreg` [INFO] [stdout] --> src/snapshot.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | Move { vreg: VirtualReg }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] --> src/snapshot.rs:17:10 [INFO] [stdout] | [INFO] [stdout] 17 | #[derive(Clone, Debug)] [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `Command { std: "docker" "inspect" "b68b2a209cb7b55009cd38403a89ef9a6016c6124edef72bf139bd9c49d45980", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b68b2a209cb7b55009cd38403a89ef9a6016c6124edef72bf139bd9c49d45980", kill_on_drop: false }` [INFO] [stdout] b68b2a209cb7b55009cd38403a89ef9a6016c6124edef72bf139bd9c49d45980 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 64147ea5d7f845571197bde2ed5031b7e9a5ccbd2128fcefdefd796a7d834be1 [INFO] running `Command { std: "docker" "start" "-a" "64147ea5d7f845571197bde2ed5031b7e9a5ccbd2128fcefdefd796a7d834be1", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `vreg` [INFO] [stderr] --> src/snapshot.rs:20:13 [INFO] [stderr] | [INFO] [stderr] 20 | Spill { vreg: Option }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/snapshot.rs:17:10 [INFO] [stderr] | [INFO] [stderr] 17 | #[derive(Clone, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `vreg` [INFO] [stderr] --> src/snapshot.rs:21:14 [INFO] [stderr] | [INFO] [stderr] 21 | Reload { vreg: Option }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/snapshot.rs:17:10 [INFO] [stderr] | [INFO] [stderr] 17 | #[derive(Clone, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `vreg` [INFO] [stderr] --> src/snapshot.rs:22:12 [INFO] [stderr] | [INFO] [stderr] 22 | Move { vreg: VirtualReg }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `IRInstKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] --> src/snapshot.rs:17:10 [INFO] [stderr] | [INFO] [stderr] 17 | #[derive(Clone, Debug)] [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `regalloc` (lib) generated 3 warnings [INFO] [stderr] warning: `regalloc` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/regalloc-0b6df3bbca187d1c) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test reg_maps::test::test_reg_use_mapper ... ok [INFO] [stdout] test union_find::test_union_find ... ok [INFO] [stdout] test avl_tree::test_avl_tree2 ... ok [INFO] [stdout] test avl_tree::test_avl_tree_iter ... ok [INFO] [stdout] test avl_tree::test_avl_tree1 ... ok [INFO] [stdout] test sparse_set::test_sparse_set ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 8.95s [INFO] [stdout] [INFO] [stderr] Doc-tests regalloc [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" "64147ea5d7f845571197bde2ed5031b7e9a5ccbd2128fcefdefd796a7d834be1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64147ea5d7f845571197bde2ed5031b7e9a5ccbd2128fcefdefd796a7d834be1", kill_on_drop: false }` [INFO] [stdout] 64147ea5d7f845571197bde2ed5031b7e9a5ccbd2128fcefdefd796a7d834be1