[INFO] crate regalloc 0.0.28 is already in cache
[INFO] testing regalloc-0.0.28 against 1.45.2 for beta-1.46-1
[INFO] extracting crate regalloc 0.0.28 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate regalloc 0.0.28 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regalloc 0.0.28
[INFO] finished tweaking crates.io crate regalloc 0.0.28
[INFO] tweaked toml for crates.io crate regalloc 0.0.28 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12259534de592921f4d79be2999f35b3938ad456093b47db855bfad96e50e083
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "12259534de592921f4d79be2999f35b3938ad456093b47db855bfad96e50e083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12259534de592921f4d79be2999f35b3938ad456093b47db855bfad96e50e083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12259534de592921f4d79be2999f35b3938ad456093b47db855bfad96e50e083", kill_on_drop: false }`
[INFO] [stdout] 12259534de592921f4d79be2999f35b3938ad456093b47db855bfad96e50e083
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31c8ce04ec64fa0f0f64ae97fb3d7850cae2128554338322e443d55304909a10
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "31c8ce04ec64fa0f0f64ae97fb3d7850cae2128554338322e443d55304909a10", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling regalloc v0.0.28 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.83s
[INFO] running `Command { std: "docker" "inspect" "31c8ce04ec64fa0f0f64ae97fb3d7850cae2128554338322e443d55304909a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c8ce04ec64fa0f0f64ae97fb3d7850cae2128554338322e443d55304909a10", kill_on_drop: false }`
[INFO] [stdout] 31c8ce04ec64fa0f0f64ae97fb3d7850cae2128554338322e443d55304909a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194b06aace100bdf909f38f20c596df5b52bc83ab42d46c447d8df6f382c30f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "194b06aace100bdf909f38f20c596df5b52bc83ab42d46c447d8df6f382c30f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling regalloc v0.0.28 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "194b06aace100bdf909f38f20c596df5b52bc83ab42d46c447d8df6f382c30f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194b06aace100bdf909f38f20c596df5b52bc83ab42d46c447d8df6f382c30f6", kill_on_drop: false }`
[INFO] [stdout] 194b06aace100bdf909f38f20c596df5b52bc83ab42d46c447d8df6f382c30f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38fc5b72a980eb897063f05822bdedcee9d00d49413add9a1d9e9b52643219d7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "38fc5b72a980eb897063f05822bdedcee9d00d49413add9a1d9e9b52643219d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/regalloc-b6d4fcd71acb59fb
[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] [stderr]    Doc-tests regalloc
[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] [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 `Command { std: "docker" "inspect" "38fc5b72a980eb897063f05822bdedcee9d00d49413add9a1d9e9b52643219d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38fc5b72a980eb897063f05822bdedcee9d00d49413add9a1d9e9b52643219d7", kill_on_drop: false }`
[INFO] [stdout] 38fc5b72a980eb897063f05822bdedcee9d00d49413add9a1d9e9b52643219d7