[INFO] fetching crate regalloc2 0.13.1...
[INFO] testing regalloc2-0.13.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate regalloc2 0.13.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate regalloc2 0.13.1
[INFO] finished tweaking crates.io crate regalloc2 0.13.1
[INFO] tweaked toml for crates.io crate regalloc2 0.13.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regalloc2 0.13.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate regalloc2 0.13.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94922eac9c0df0fd38da93d287846f461bc1560fba2af00b41c25843f8e5bd79
[INFO] running `Command { std: "docker" "start" "-a" "94922eac9c0df0fd38da93d287846f461bc1560fba2af00b41c25843f8e5bd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94922eac9c0df0fd38da93d287846f461bc1560fba2af00b41c25843f8e5bd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94922eac9c0df0fd38da93d287846f461bc1560fba2af00b41c25843f8e5bd79", kill_on_drop: false }`
[INFO] [stdout] 94922eac9c0df0fd38da93d287846f461bc1560fba2af00b41c25843f8e5bd79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e48f4bfb316a818b32cf8d88b0dd2639b1a7cc3d37fbd1a16525afbe12310979
[INFO] running `Command { std: "docker" "start" "-a" "e48f4bfb316a818b32cf8d88b0dd2639b1a7cc3d37fbd1a16525afbe12310979", kill_on_drop: false }`
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling rustc-hash v2.1.0
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling regalloc2 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "e48f4bfb316a818b32cf8d88b0dd2639b1a7cc3d37fbd1a16525afbe12310979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48f4bfb316a818b32cf8d88b0dd2639b1a7cc3d37fbd1a16525afbe12310979", kill_on_drop: false }`
[INFO] [stdout] e48f4bfb316a818b32cf8d88b0dd2639b1a7cc3d37fbd1a16525afbe12310979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6eb4f64187a59e4d371bcd4cc9a1edb35e114e742d5d40a7e1c0862e9d448fa2
[INFO] running `Command { std: "docker" "start" "-a" "6eb4f64187a59e4d371bcd4cc9a1edb35e114e742d5d40a7e1c0862e9d448fa2", kill_on_drop: false }`
[INFO] [stderr]    Compiling regalloc2 v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "6eb4f64187a59e4d371bcd4cc9a1edb35e114e742d5d40a7e1c0862e9d448fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb4f64187a59e4d371bcd4cc9a1edb35e114e742d5d40a7e1c0862e9d448fa2", kill_on_drop: false }`
[INFO] [stdout] 6eb4f64187a59e4d371bcd4cc9a1edb35e114e742d5d40a7e1c0862e9d448fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2655d71a9faec376610f32ffcd8cc9eff73e37431a0b52daa7b0ee609937c964
[INFO] running `Command { std: "docker" "start" "-a" "2655d71a9faec376610f32ffcd8cc9eff73e37431a0b52daa7b0ee609937c964", 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/regalloc2-88147ce770ebcda7)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test fastalloc::vregset::tests::empty ... ok
[INFO] [stdout] test indexset::test::test_set_bits_iter ... ok
[INFO] [stdout] test fastalloc::tests::test_debug_locations1 ... ok
[INFO] [stdout] test index::test::test_inst_range ... ok
[INFO] [stdout] test indexset::test::test_expand_remove_zero_elems ... ok
[INFO] [stdout] test fastalloc::tests::test_debug_locations2 ... ok
[INFO] [stdout] test fastalloc::vregset::tests::operations ... ok
[INFO] [stderr]    Doc-tests regalloc2
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[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" "2655d71a9faec376610f32ffcd8cc9eff73e37431a0b52daa7b0ee609937c964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2655d71a9faec376610f32ffcd8cc9eff73e37431a0b52daa7b0ee609937c964", kill_on_drop: false }`
[INFO] [stdout] 2655d71a9faec376610f32ffcd8cc9eff73e37431a0b52daa7b0ee609937c964