[INFO] fetching crate mextk-sys 0.1.0...
[INFO] checking mextk-sys-0.1.0 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[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 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a2ceeb0429b26f2070ac734ee9c0c572ac6a74a7edb61195df7f7b21e0320e5
[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" "6a2ceeb0429b26f2070ac734ee9c0c572ac6a74a7edb61195df7f7b21e0320e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a2ceeb0429b26f2070ac734ee9c0c572ac6a74a7edb61195df7f7b21e0320e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a2ceeb0429b26f2070ac734ee9c0c572ac6a74a7edb61195df7f7b21e0320e5", kill_on_drop: false }`
[INFO] [stdout] 6a2ceeb0429b26f2070ac734ee9c0c572ac6a74a7edb61195df7f7b21e0320e5
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2f643e21232b36da2fd70687755c3d34f8c5a857b7bd1462cf42f628fba5b33
[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" "b2f643e21232b36da2fd70687755c3d34f8c5a857b7bd1462cf42f628fba5b33", kill_on_drop: false }`
[INFO] [stderr]     Checking mextk-libc v0.1.0
[INFO] [stderr]     Checking 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,metadata -C embed-bitcode=no -C debuginfo=2 --test -C metadata=5f80e5f07ba81f5d -C extra-filename=-5f80e5f07ba81f5d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern mextk_libc=/opt/rustwide/target/debug/deps/libmextk_libc-c1633a81cdb85c25.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "b2f643e21232b36da2fd70687755c3d34f8c5a857b7bd1462cf42f628fba5b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2f643e21232b36da2fd70687755c3d34f8c5a857b7bd1462cf42f628fba5b33", kill_on_drop: false }`
[INFO] [stdout] b2f643e21232b36da2fd70687755c3d34f8c5a857b7bd1462cf42f628fba5b33