[INFO] fetching crate mimalloc-sys 0.1.6-dev...
[INFO] testing mimalloc-sys-0.1.6-dev against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mimalloc-sys 0.1.6-dev into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate mimalloc-sys 0.1.6-dev on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mimalloc-sys 0.1.6-dev
[INFO] finished tweaking crates.io crate mimalloc-sys 0.1.6-dev
[INFO] tweaked toml for crates.io crate mimalloc-sys 0.1.6-dev written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a40afd653a6aff6060d0d2e7e850eb76b2753e9d1063d6228372d128ea1357e
[INFO] running `Command { std: "docker" "start" "-a" "5a40afd653a6aff6060d0d2e7e850eb76b2753e9d1063d6228372d128ea1357e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a40afd653a6aff6060d0d2e7e850eb76b2753e9d1063d6228372d128ea1357e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a40afd653a6aff6060d0d2e7e850eb76b2753e9d1063d6228372d128ea1357e", kill_on_drop: false }`
[INFO] [stdout] 5a40afd653a6aff6060d0d2e7e850eb76b2753e9d1063d6228372d128ea1357e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5e5059e900e4b57d3a9c3f25c4a3b563a0a56718fae8f861cacef8bcca5b914
[INFO] running `Command { std: "docker" "start" "-a" "c5e5059e900e4b57d3a9c3f25c4a3b563a0a56718fae8f861cacef8bcca5b914", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc-sys v0.1.6-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `Command { std: "docker" "inspect" "c5e5059e900e4b57d3a9c3f25c4a3b563a0a56718fae8f861cacef8bcca5b914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e5059e900e4b57d3a9c3f25c4a3b563a0a56718fae8f861cacef8bcca5b914", kill_on_drop: false }`
[INFO] [stdout] c5e5059e900e4b57d3a9c3f25c4a3b563a0a56718fae8f861cacef8bcca5b914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c589977d4806ce160ed4e06b4365e4d444802816e903befffd01b2202c0f99b
[INFO] running `Command { std: "docker" "start" "-a" "0c589977d4806ce160ed4e06b4365e4d444802816e903befffd01b2202c0f99b", kill_on_drop: false }`
[INFO] [stderr]    Compiling mimalloc-sys v0.1.6-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "0c589977d4806ce160ed4e06b4365e4d444802816e903befffd01b2202c0f99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c589977d4806ce160ed4e06b4365e4d444802816e903befffd01b2202c0f99b", kill_on_drop: false }`
[INFO] [stdout] 0c589977d4806ce160ed4e06b4365e4d444802816e903befffd01b2202c0f99b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e590505c7702d4661876002271e0f41dddbaccadc3389fd9804d04db3b3340ec
[INFO] running `Command { std: "docker" "start" "-a" "e590505c7702d4661876002271e0f41dddbaccadc3389fd9804d04db3b3340ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mimalloc_sys-fe1ba6478feabd56)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/override.rs (/opt/rustwide/target/debug/deps/override-4d350c86b8470f4f)
[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] [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] [stderr]    Doc-tests mimalloc-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" "e590505c7702d4661876002271e0f41dddbaccadc3389fd9804d04db3b3340ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e590505c7702d4661876002271e0f41dddbaccadc3389fd9804d04db3b3340ec", kill_on_drop: false }`
[INFO] [stdout] e590505c7702d4661876002271e0f41dddbaccadc3389fd9804d04db3b3340ec