[INFO] fetching crate mextk-sys 0.1.0...
[INFO] testing mextk-sys-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mextk-sys 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mextk-sys 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mextk-sys 0.1.0
[INFO] finished tweaking crates.io crate mextk-sys 0.1.0
[INFO] tweaked toml for crates.io crate mextk-sys 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 615033d9db8915e4f5ef8d9de4047b36b0476beab900ca4c4a65b26a7f350575
[INFO] running `Command { std: "docker" "start" "-a" "615033d9db8915e4f5ef8d9de4047b36b0476beab900ca4c4a65b26a7f350575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615033d9db8915e4f5ef8d9de4047b36b0476beab900ca4c4a65b26a7f350575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615033d9db8915e4f5ef8d9de4047b36b0476beab900ca4c4a65b26a7f350575", kill_on_drop: false }`
[INFO] [stdout] 615033d9db8915e4f5ef8d9de4047b36b0476beab900ca4c4a65b26a7f350575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bd3519a61106cc5472496ca7a80c289eb0bfae4c06805759486209c8ffb4bb0
[INFO] running `Command { std: "docker" "start" "-a" "8bd3519a61106cc5472496ca7a80c289eb0bfae4c06805759486209c8ffb4bb0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mextk-libc v0.1.0
[INFO] [stderr]    Compiling mextk-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "8bd3519a61106cc5472496ca7a80c289eb0bfae4c06805759486209c8ffb4bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd3519a61106cc5472496ca7a80c289eb0bfae4c06805759486209c8ffb4bb0", kill_on_drop: false }`
[INFO] [stdout] 8bd3519a61106cc5472496ca7a80c289eb0bfae4c06805759486209c8ffb4bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6e34cf8d816e03efd6ddbebc1b58207f5aa0b51b717a51eb7deb9a6669569b7
[INFO] running `Command { std: "docker" "start" "-a" "b6e34cf8d816e03efd6ddbebc1b58207f5aa0b51b717a51eb7deb9a6669569b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mextk-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `mextk-sys`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name mextk_sys --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=4e2822c9c55e5bcc -C extra-filename=-4e2822c9c55e5bcc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern mextk_libc=/opt/rustwide/target/debug/deps/libmextk_libc-7afe0d6573335dcc.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b6e34cf8d816e03efd6ddbebc1b58207f5aa0b51b717a51eb7deb9a6669569b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6e34cf8d816e03efd6ddbebc1b58207f5aa0b51b717a51eb7deb9a6669569b7", kill_on_drop: false }`
[INFO] [stdout] b6e34cf8d816e03efd6ddbebc1b58207f5aa0b51b717a51eb7deb9a6669569b7