[INFO] fetching crate regalloc2 0.15.0...
[INFO] testing regalloc2-0.15.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate regalloc2 0.15.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate regalloc2 0.15.0
[INFO] finished tweaking crates.io crate regalloc2 0.15.0
[INFO] tweaked toml for crates.io crate regalloc2 0.15.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate regalloc2 0.15.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regalloc2 0.15.0 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbtest v0.3.2
[INFO] [stderr]   Downloaded serde_derive v1.0.137
[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb122b5f388ae03ffe4c99f385907256b9836f0383eec36aa63e439d2c39348f
[INFO] running `Command { std: "docker" "start" "-a" "bb122b5f388ae03ffe4c99f385907256b9836f0383eec36aa63e439d2c39348f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb122b5f388ae03ffe4c99f385907256b9836f0383eec36aa63e439d2c39348f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb122b5f388ae03ffe4c99f385907256b9836f0383eec36aa63e439d2c39348f", kill_on_drop: false }`
[INFO] [stdout] bb122b5f388ae03ffe4c99f385907256b9836f0383eec36aa63e439d2c39348f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 457f18bb7604aac5969102644f3c3cc124ba97bb46387539fa0263dc810775b7
[INFO] running `Command { std: "docker" "start" "-a" "457f18bb7604aac5969102644f3c3cc124ba97bb46387539fa0263dc810775b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling rustc-hash v2.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling regalloc2 v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "457f18bb7604aac5969102644f3c3cc124ba97bb46387539fa0263dc810775b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457f18bb7604aac5969102644f3c3cc124ba97bb46387539fa0263dc810775b7", kill_on_drop: false }`
[INFO] [stdout] 457f18bb7604aac5969102644f3c3cc124ba97bb46387539fa0263dc810775b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eeb67bf5c20722213d2ee0a478c38aa716496fbed36d84cd8d5c1b56cd6cbe3
[INFO] running `Command { std: "docker" "start" "-a" "3eeb67bf5c20722213d2ee0a478c38aa716496fbed36d84cd8d5c1b56cd6cbe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling regalloc2 v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "3eeb67bf5c20722213d2ee0a478c38aa716496fbed36d84cd8d5c1b56cd6cbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eeb67bf5c20722213d2ee0a478c38aa716496fbed36d84cd8d5c1b56cd6cbe3", kill_on_drop: false }`
[INFO] [stdout] 3eeb67bf5c20722213d2ee0a478c38aa716496fbed36d84cd8d5c1b56cd6cbe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 279015d86d473500efc820a99bde02a54007062d7a71a7e9b00b99936f008685
[INFO] running `Command { std: "docker" "start" "-a" "279015d86d473500efc820a99bde02a54007062d7a71a7e9b00b99936f008685", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regalloc2-ff6ae3e0401586b7)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test fastalloc::vregset::tests::empty ... ok
[INFO] [stdout] test fastalloc::tests::test_debug_locations2 ... ok
[INFO] [stdout] test index::test::test_inst_range ... ok
[INFO] [stdout] test fastalloc::vregset::tests::operations ... ok
[INFO] [stdout] test indexset::test::test_expand_remove_zero_elems ... ok
[INFO] [stdout] test fastalloc::tests::test_debug_locations1 ... ok
[INFO] [stdout] test tests::preg_set_len ... ok
[INFO] [stdout] test indexset::test::test_set_bits_iter ... 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 0.00s
[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" "279015d86d473500efc820a99bde02a54007062d7a71a7e9b00b99936f008685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "279015d86d473500efc820a99bde02a54007062d7a71a7e9b00b99936f008685", kill_on_drop: false }`
[INFO] [stdout] 279015d86d473500efc820a99bde02a54007062d7a71a7e9b00b99936f008685
