[INFO] fetching crate numext-fixed-hash-hack 0.1.6...
[INFO] checking numext-fixed-hash-hack-0.1.6 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate numext-fixed-hash-hack 0.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate numext-fixed-hash-hack 0.1.6 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate numext-fixed-hash-hack 0.1.6
[INFO] finished tweaking crates.io crate numext-fixed-hash-hack 0.1.6
[INFO] tweaked toml for crates.io crate numext-fixed-hash-hack 0.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded faster-hex v0.4.1
[INFO] [stderr]   Downloaded numext-fixed-hash-core v0.1.6
[INFO] [stderr]   Downloaded numext-fixed-uint v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0416fb93fcba7482b6624c7cc48b7e458fbf5628de84c24efeb628eb857741ec
[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" "0416fb93fcba7482b6624c7cc48b7e458fbf5628de84c24efeb628eb857741ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0416fb93fcba7482b6624c7cc48b7e458fbf5628de84c24efeb628eb857741ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0416fb93fcba7482b6624c7cc48b7e458fbf5628de84c24efeb628eb857741ec", kill_on_drop: false }`
[INFO] [stdout] 0416fb93fcba7482b6624c7cc48b7e458fbf5628de84c24efeb628eb857741ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 766c57c0bf3a4421b1cfd12901d24ab04882d6f74a47fdd19b4d963326c32b86
[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" "766c57c0bf3a4421b1cfd12901d24ab04882d6f74a47fdd19b4d963326c32b86", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling numext-constructor v0.1.6
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.6
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.6
[INFO] [stderr]     Checking numext-fixed-uint v0.1.6
[INFO] [stderr]     Checking numext-fixed-hash-core v0.1.6
[INFO] [stderr] error: could not compile `numext-fixed-hash-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name numext_fixed_hash_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/numext-fixed-hash-core-0.1.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bits_1024"' --cfg 'feature="bits_128"' --cfg 'feature="bits_160"' --cfg 'feature="bits_2048"' --cfg 'feature="bits_224"' --cfg 'feature="bits_256"' --cfg 'feature="bits_384"' --cfg 'feature="bits_4096"' --cfg 'feature="bits_512"' --cfg 'feature="bits_520"' --cfg 'feature="bits_all"' --cfg 'feature="default"' -C metadata=6e835bf0ef75b25f -C extra-filename=-6e835bf0ef75b25f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern constructor=/opt/rustwide/target/debug/deps/libnumext_constructor-e90fcf709456be9e.so --extern nfuint=/opt/rustwide/target/debug/deps/libnumext_fixed_uint-e69d81ce56781032.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-6e233eb2088bb584.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "766c57c0bf3a4421b1cfd12901d24ab04882d6f74a47fdd19b4d963326c32b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "766c57c0bf3a4421b1cfd12901d24ab04882d6f74a47fdd19b4d963326c32b86", kill_on_drop: false }`
[INFO] [stdout] 766c57c0bf3a4421b1cfd12901d24ab04882d6f74a47fdd19b4d963326c32b86