[INFO] fetching crate hashlib 0.1.0...
[INFO] checking hashlib-0.1.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate hashlib 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hashlib 0.1.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hashlib 0.1.0
[INFO] finished tweaking crates.io crate hashlib 0.1.0
[INFO] tweaked toml for crates.io crate hashlib 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashlib-prelude v0.1.0
[INFO] [stderr]   Downloaded numext-fixed-uint-core v0.1.4
[INFO] [stderr]   Downloaded numext-fixed-uint v0.1.4
[INFO] [stderr]   Downloaded numext-constructor v0.1.4
[INFO] [stderr]   Downloaded numext-fixed-uint-hack v0.1.4
[INFO] [stderr]   Downloaded blake2b_simd v0.4.1
[INFO] [stderr]   Downloaded tiny-keccak v1.4.4
[INFO] [stderr]   Downloaded numext-fixed-hash v0.1.4
[INFO] [stderr]   Downloaded numext-fixed-hash-hack v0.1.4
[INFO] [stderr]   Downloaded numext-fixed-hash-core v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bcdafd2e8ca031418bd8e03f7260f9d2e2e688ec9cb6e3b52ba3296f361e154
[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" "7bcdafd2e8ca031418bd8e03f7260f9d2e2e688ec9cb6e3b52ba3296f361e154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bcdafd2e8ca031418bd8e03f7260f9d2e2e688ec9cb6e3b52ba3296f361e154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcdafd2e8ca031418bd8e03f7260f9d2e2e688ec9cb6e3b52ba3296f361e154", kill_on_drop: false }`
[INFO] [stdout] 7bcdafd2e8ca031418bd8e03f7260f9d2e2e688ec9cb6e3b52ba3296f361e154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1912a08738ecded9d5c990da0b26dbb5ebe9eca813f7fa1993ad8e481d21467d
[INFO] running `Command { std: "docker" "start" "-a" "1912a08738ecded9d5c990da0b26dbb5ebe9eca813f7fa1993ad8e481d21467d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling adler v0.2.2
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking hashlib-prelude v0.1.0
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]     Checking tiny-keccak v1.4.4
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking blake2b_simd v0.4.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling numext-constructor v0.1.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.4
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.4
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.4
[INFO] [stderr]    Compiling numext-fixed-hash-core v0.1.4
[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-0.1.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -Cembed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=226e11991e64b6d3 -C extra-filename=-226e11991e64b6d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern failure=/opt/rustwide/target/debug/deps/libfailure-612f410d7649ff73.rmeta --extern numext_constructor=/opt/rustwide/target/debug/deps/libnumext_constructor-62eb90d0ad95067e.so --extern numext_fixed_uint=/opt/rustwide/target/debug/deps/libnumext_fixed_uint-06198cc3ef260826.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1912a08738ecded9d5c990da0b26dbb5ebe9eca813f7fa1993ad8e481d21467d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1912a08738ecded9d5c990da0b26dbb5ebe9eca813f7fa1993ad8e481d21467d", kill_on_drop: false }`
[INFO] [stdout] 1912a08738ecded9d5c990da0b26dbb5ebe9eca813f7fa1993ad8e481d21467d