[INFO] fetching crate regalloc 0.0.25...
[INFO] testing regalloc-0.0.25 against 1.44.0 for beta-1.45-1
[INFO] extracting crate regalloc 0.0.25 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate regalloc 0.0.25 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate regalloc 0.0.25
[INFO] finished tweaking crates.io crate regalloc 0.0.25
[INFO] tweaked toml for crates.io crate regalloc 0.0.25 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stdout] 530b9db50eb96895f716a3a2d396e390b3f723266f999ae7aad59acf2d9c7185
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "530b9db50eb96895f716a3a2d396e390b3f723266f999ae7aad59acf2d9c7185"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regalloc v0.0.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.26s
[INFO] running `"docker" "inspect" "530b9db50eb96895f716a3a2d396e390b3f723266f999ae7aad59acf2d9c7185"`
[INFO] running `"docker" "rm" "-f" "530b9db50eb96895f716a3a2d396e390b3f723266f999ae7aad59acf2d9c7185"`
[INFO] [stdout] 530b9db50eb96895f716a3a2d396e390b3f723266f999ae7aad59acf2d9c7185
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 88102bf4bf232821e51cd76242369b8c38fa895a988e89d43b7294ad26c81099
[INFO] running `"docker" "start" "-a" "88102bf4bf232821e51cd76242369b8c38fa895a988e89d43b7294ad26c81099"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regalloc v0.0.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.60s
[INFO] running `"docker" "inspect" "88102bf4bf232821e51cd76242369b8c38fa895a988e89d43b7294ad26c81099"`
[INFO] running `"docker" "rm" "-f" "88102bf4bf232821e51cd76242369b8c38fa895a988e89d43b7294ad26c81099"`
[INFO] [stdout] 88102bf4bf232821e51cd76242369b8c38fa895a988e89d43b7294ad26c81099
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f47bfc58c7a1964a0222046e18551cefce1a9e063a2c8544653b67f003f9475c
[INFO] running `"docker" "start" "-a" "f47bfc58c7a1964a0222046e18551cefce1a9e063a2c8544653b67f003f9475c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regalloc-e6ff6aa85202a456
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test avl_tree::test_avl_tree2 ... ok
[INFO] [stdout] test reg_maps::test::test_reg_use_mapper ... ok
[INFO] [stdout] test union_find::test_union_find ... 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
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f47bfc58c7a1964a0222046e18551cefce1a9e063a2c8544653b67f003f9475c"`
[INFO] running `"docker" "rm" "-f" "f47bfc58c7a1964a0222046e18551cefce1a9e063a2c8544653b67f003f9475c"`
[INFO] [stdout] f47bfc58c7a1964a0222046e18551cefce1a9e063a2c8544653b67f003f9475c