[INFO] fetching crate regalloc 0.0.32... [INFO] testing regalloc-0.0.32 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate regalloc 0.0.32 into /workspace/builds/worker-40/source [INFO] validating manifest of crates.io crate regalloc 0.0.32 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate regalloc 0.0.32 [INFO] finished tweaking crates.io crate regalloc 0.0.32 [INFO] tweaked toml for crates.io crate regalloc 0.0.32 written to /workspace/builds/worker-40/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f27ca114b7b0076bc0f5bec5a0fc0166dcbbced1552373ff6bd4c26dac01a89a [INFO] running `Command { std: "docker" "start" "-a" "f27ca114b7b0076bc0f5bec5a0fc0166dcbbced1552373ff6bd4c26dac01a89a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f27ca114b7b0076bc0f5bec5a0fc0166dcbbced1552373ff6bd4c26dac01a89a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f27ca114b7b0076bc0f5bec5a0fc0166dcbbced1552373ff6bd4c26dac01a89a", kill_on_drop: false }` [INFO] [stdout] f27ca114b7b0076bc0f5bec5a0fc0166dcbbced1552373ff6bd4c26dac01a89a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f5783b4895e67d769a8b6de5e450ba109529d031de90ad6afaf7652e1af25c3 [INFO] running `Command { std: "docker" "start" "-a" "4f5783b4895e67d769a8b6de5e450ba109529d031de90ad6afaf7652e1af25c3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling regalloc v0.0.32 (/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] [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] [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] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.77s [INFO] running `Command { std: "docker" "inspect" "4f5783b4895e67d769a8b6de5e450ba109529d031de90ad6afaf7652e1af25c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f5783b4895e67d769a8b6de5e450ba109529d031de90ad6afaf7652e1af25c3", kill_on_drop: false }` [INFO] [stdout] 4f5783b4895e67d769a8b6de5e450ba109529d031de90ad6afaf7652e1af25c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88804088cfbd2f1fbb014b404e332d475f61a6bb8f43028a4a98f85b88064476 [INFO] running `Command { std: "docker" "start" "-a" "88804088cfbd2f1fbb014b404e332d475f61a6bb8f43028a4a98f85b88064476", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling regalloc v0.0.32 (/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] [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] [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] [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] [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] [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] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.85s [INFO] running `Command { std: "docker" "inspect" "88804088cfbd2f1fbb014b404e332d475f61a6bb8f43028a4a98f85b88064476", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88804088cfbd2f1fbb014b404e332d475f61a6bb8f43028a4a98f85b88064476", kill_on_drop: false }` [INFO] [stdout] 88804088cfbd2f1fbb014b404e332d475f61a6bb8f43028a4a98f85b88064476 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 98f36077a30a007a593a6afb74588f7ebcb2ca9236496d77cb5c436cb79e83f4 [INFO] running `Command { std: "docker" "start" "-a" "98f36077a30a007a593a6afb74588f7ebcb2ca9236496d77cb5c436cb79e83f4", 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] [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] 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] 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 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/regalloc-108a2657143f5571) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test avl_tree::test_avl_tree2 ... ok [INFO] [stdout] test union_find::test_union_find ... ok [INFO] [stdout] test reg_maps::test::test_reg_use_mapper ... 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 11.87s [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" "98f36077a30a007a593a6afb74588f7ebcb2ca9236496d77cb5c436cb79e83f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98f36077a30a007a593a6afb74588f7ebcb2ca9236496d77cb5c436cb79e83f4", kill_on_drop: false }` [INFO] [stdout] 98f36077a30a007a593a6afb74588f7ebcb2ca9236496d77cb5c436cb79e83f4