[INFO] fetching crate libmimalloc-sys 0.1.22...
[INFO] testing libmimalloc-sys-0.1.22 against 1.55.0 for beta-1.56-1
[INFO] extracting crate libmimalloc-sys 0.1.22 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate libmimalloc-sys 0.1.22 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libmimalloc-sys 0.1.22
[INFO] finished tweaking crates.io crate libmimalloc-sys 0.1.22
[INFO] tweaked toml for crates.io crate libmimalloc-sys 0.1.22 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c6718df9ec19bf23660c490002301bf04beef5a9eec48b38ba5623124bcf0f9
[INFO] running `Command { std: "docker" "start" "-a" "1c6718df9ec19bf23660c490002301bf04beef5a9eec48b38ba5623124bcf0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c6718df9ec19bf23660c490002301bf04beef5a9eec48b38ba5623124bcf0f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6718df9ec19bf23660c490002301bf04beef5a9eec48b38ba5623124bcf0f9", kill_on_drop: false }`
[INFO] [stdout] 1c6718df9ec19bf23660c490002301bf04beef5a9eec48b38ba5623124bcf0f9
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f97a7039378922ea2d403ef558867014c0937e402c4d6dc7d5e5f3eb217f28e
[INFO] running `Command { std: "docker" "start" "-a" "9f97a7039378922ea2d403ef558867014c0937e402c4d6dc7d5e5f3eb217f28e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "9f97a7039378922ea2d403ef558867014c0937e402c4d6dc7d5e5f3eb217f28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f97a7039378922ea2d403ef558867014c0937e402c4d6dc7d5e5f3eb217f28e", kill_on_drop: false }`
[INFO] [stdout] 9f97a7039378922ea2d403ef558867014c0937e402c4d6dc7d5e5f3eb217f28e
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a73924c16b256ed4696ebba0072fba0b2dd7f2b5b016bdc1b783c538fc9cf2
[INFO] running `Command { std: "docker" "start" "-a" "28a73924c16b256ed4696ebba0072fba0b2dd7f2b5b016bdc1b783c538fc9cf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "28a73924c16b256ed4696ebba0072fba0b2dd7f2b5b016bdc1b783c538fc9cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a73924c16b256ed4696ebba0072fba0b2dd7f2b5b016bdc1b783c538fc9cf2", kill_on_drop: false }`
[INFO] [stdout] 28a73924c16b256ed4696ebba0072fba0b2dd7f2b5b016bdc1b783c538fc9cf2
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae78f117463f07596e88c138ca8c219d80b108499fea6bcd3b0529f6139e668d
[INFO] running `Command { std: "docker" "start" "-a" "ae78f117463f07596e88c138ca8c219d80b108499fea6bcd3b0529f6139e668d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libmimalloc_sys-eb02d983038bc710)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::it_calculates_usable_size ... ok
[INFO] [stdout] test tests::it_frees_memory_malloc ... ok
[INFO] [stdout] test tests::it_frees_memory_realloc ... ok
[INFO] [stdout] test tests::it_frees_memory_zalloc ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libmimalloc-sys
[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" "ae78f117463f07596e88c138ca8c219d80b108499fea6bcd3b0529f6139e668d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae78f117463f07596e88c138ca8c219d80b108499fea6bcd3b0529f6139e668d", kill_on_drop: false }`
[INFO] [stdout] ae78f117463f07596e88c138ca8c219d80b108499fea6bcd3b0529f6139e668d