[INFO] fetching crate regalloc2 0.13.2...
[INFO] testing regalloc2-0.13.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate regalloc2 0.13.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate regalloc2 0.13.2
[INFO] finished tweaking crates.io crate regalloc2 0.13.2
[INFO] tweaked toml for crates.io crate regalloc2 0.13.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate regalloc2 0.13.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regalloc2 0.13.2 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-hash v2.1.0
[INFO] [stderr]   Downloaded smallvec v1.6.1
[INFO] [stderr]   Downloaded quote v1.0.33
[INFO] [stderr]   Downloaded serde_derive v1.0.137
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.67
[INFO] [stderr]   Downloaded arbitrary v1.1.3
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.3
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbfc74c3156f5d2e33070ff030bc744b3b9f7bf08551520ae75357d0421075a5
[INFO] running `Command { std: "docker" "start" "-a" "cbfc74c3156f5d2e33070ff030bc744b3b9f7bf08551520ae75357d0421075a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbfc74c3156f5d2e33070ff030bc744b3b9f7bf08551520ae75357d0421075a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfc74c3156f5d2e33070ff030bc744b3b9f7bf08551520ae75357d0421075a5", kill_on_drop: false }`
[INFO] [stdout] cbfc74c3156f5d2e33070ff030bc744b3b9f7bf08551520ae75357d0421075a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e14b8a703c9dc21abc719f3bae4a66a4a20a9f44e9b8a076f2f42d636c9eaf55
[INFO] running `Command { std: "docker" "start" "-a" "e14b8a703c9dc21abc719f3bae4a66a4a20a9f44e9b8a076f2f42d636c9eaf55", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling rustc-hash v2.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling regalloc2 v0.13.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "e14b8a703c9dc21abc719f3bae4a66a4a20a9f44e9b8a076f2f42d636c9eaf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e14b8a703c9dc21abc719f3bae4a66a4a20a9f44e9b8a076f2f42d636c9eaf55", kill_on_drop: false }`
[INFO] [stdout] e14b8a703c9dc21abc719f3bae4a66a4a20a9f44e9b8a076f2f42d636c9eaf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72f0437d0b05a8a46c972a0e98ace76a7d2e64184c2aedd861e9242031287e87
[INFO] running `Command { std: "docker" "start" "-a" "72f0437d0b05a8a46c972a0e98ace76a7d2e64184c2aedd861e9242031287e87", kill_on_drop: false }`
[INFO] [stderr]    Compiling regalloc2 v0.13.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "72f0437d0b05a8a46c972a0e98ace76a7d2e64184c2aedd861e9242031287e87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f0437d0b05a8a46c972a0e98ace76a7d2e64184c2aedd861e9242031287e87", kill_on_drop: false }`
[INFO] [stdout] 72f0437d0b05a8a46c972a0e98ace76a7d2e64184c2aedd861e9242031287e87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f7d585162bdad8a8afdb3dbc3345d6bcbb4494b02357109175046c0493f06f13
[INFO] running `Command { std: "docker" "start" "-a" "f7d585162bdad8a8afdb3dbc3345d6bcbb4494b02357109175046c0493f06f13", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regalloc2-f079f4230113c483)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test fastalloc::tests::test_debug_locations2 ... ok
[INFO] [stdout] test fastalloc::vregset::tests::operations ... ok
[INFO] [stdout] test fastalloc::vregset::tests::empty ... ok
[INFO] [stdout] test fastalloc::tests::test_debug_locations1 ... ok
[INFO] [stdout] test indexset::test::test_set_bits_iter ... ok
[INFO] [stderr]    Doc-tests regalloc2
[INFO] [stdout] test index::test::test_inst_range ... ok
[INFO] [stdout] test indexset::test::test_expand_remove_zero_elems ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "f7d585162bdad8a8afdb3dbc3345d6bcbb4494b02357109175046c0493f06f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7d585162bdad8a8afdb3dbc3345d6bcbb4494b02357109175046c0493f06f13", kill_on_drop: false }`
[INFO] [stdout] f7d585162bdad8a8afdb3dbc3345d6bcbb4494b02357109175046c0493f06f13