[INFO] fetching crate regalloc2 0.15.1...
[INFO] testing regalloc2-0.15.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate regalloc2 0.15.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate regalloc2 0.15.1
[INFO] finished tweaking crates.io crate regalloc2 0.15.1
[INFO] tweaked toml for crates.io crate regalloc2 0.15.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate regalloc2 0.15.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regalloc2 0.15.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbtest v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18cafe70505525a468c3de68b5ca343a71917be11da95e5eb307af05fb098d60
[INFO] running `Command { std: "docker" "start" "-a" "18cafe70505525a468c3de68b5ca343a71917be11da95e5eb307af05fb098d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18cafe70505525a468c3de68b5ca343a71917be11da95e5eb307af05fb098d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18cafe70505525a468c3de68b5ca343a71917be11da95e5eb307af05fb098d60", kill_on_drop: false }`
[INFO] [stdout] 18cafe70505525a468c3de68b5ca343a71917be11da95e5eb307af05fb098d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc61b6559ba134556d33c4563728314661a22fc793d0f3fd9150a3a2171087e
[INFO] running `Command { std: "docker" "start" "-a" "6fc61b6559ba134556d33c4563728314661a22fc793d0f3fd9150a3a2171087e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling regalloc2 v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `Command { std: "docker" "inspect" "6fc61b6559ba134556d33c4563728314661a22fc793d0f3fd9150a3a2171087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc61b6559ba134556d33c4563728314661a22fc793d0f3fd9150a3a2171087e", kill_on_drop: false }`
[INFO] [stdout] 6fc61b6559ba134556d33c4563728314661a22fc793d0f3fd9150a3a2171087e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc0c05387edbe3c0235def8f7ba38224d91bc44bd75695bdbbd0a6653bc9d241
[INFO] running `Command { std: "docker" "start" "-a" "dc0c05387edbe3c0235def8f7ba38224d91bc44bd75695bdbbd0a6653bc9d241", kill_on_drop: false }`
[INFO] [stderr]    Compiling regalloc2 v0.15.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.07s
[INFO] running `Command { std: "docker" "inspect" "dc0c05387edbe3c0235def8f7ba38224d91bc44bd75695bdbbd0a6653bc9d241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0c05387edbe3c0235def8f7ba38224d91bc44bd75695bdbbd0a6653bc9d241", kill_on_drop: false }`
[INFO] [stdout] dc0c05387edbe3c0235def8f7ba38224d91bc44bd75695bdbbd0a6653bc9d241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3c3b9e21f34eb050e92a5e896733522f47a814daed4a9153c06497be7a801ec9
[INFO] running `Command { std: "docker" "start" "-a" "3c3b9e21f34eb050e92a5e896733522f47a814daed4a9153c06497be7a801ec9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regalloc2-b604c1963fa0642e)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test fastalloc::tests::test_debug_locations2 ... ok
[INFO] [stdout] test fastalloc::vregset::tests::operations ... ok
[INFO] [stdout] test fastalloc::tests::test_debug_locations1 ... ok
[INFO] [stdout] test indexset::test::test_expand_remove_zero_elems ... ok
[INFO] [stdout] test index::test::test_inst_range ... ok
[INFO] [stdout] test indexset::test::test_set_bits_iter ... ok
[INFO] [stdout] test tests::preg_set_len ... ok
[INFO] [stdout] test fastalloc::vregset::tests::empty ... ok
[INFO] [stdout] test tests::preg_set_max_preg ... ok
[INFO] [stdout] test tests::preg_set_new_up_to ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regalloc2
[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" "3c3b9e21f34eb050e92a5e896733522f47a814daed4a9153c06497be7a801ec9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3b9e21f34eb050e92a5e896733522f47a814daed4a9153c06497be7a801ec9", kill_on_drop: false }`
[INFO] [stdout] 3c3b9e21f34eb050e92a5e896733522f47a814daed4a9153c06497be7a801ec9