[INFO] cloning repository https://github.com/yanganto/ethashproof-adapter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yanganto/ethashproof-adapter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanganto%2Fethashproof-adapter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanganto%2Fethashproof-adapter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb43c5cb9b11f86343e92bf04537768219a2f521
[INFO] documenting yanganto/ethashproof-adapter against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanganto%2Fethashproof-adapter" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yanganto/ethashproof-adapter on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yanganto/ethashproof-adapter
[INFO] finished tweaking git repo https://github.com/yanganto/ethashproof-adapter
[INFO] tweaked toml for git repo https://github.com/yanganto/ethashproof-adapter written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/yanganto/ethashproof-adapter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded actix-rt v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0317e422ee0647f754388d74a75fa09c3647b92a9ce6d6a58dbb35f8210c2538
[INFO] running `Command { std: "docker" "start" "-a" "0317e422ee0647f754388d74a75fa09c3647b92a9ce6d6a58dbb35f8210c2538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0317e422ee0647f754388d74a75fa09c3647b92a9ce6d6a58dbb35f8210c2538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0317e422ee0647f754388d74a75fa09c3647b92a9ce6d6a58dbb35f8210c2538", kill_on_drop: false }`
[INFO] [stdout] 0317e422ee0647f754388d74a75fa09c3647b92a9ce6d6a58dbb35f8210c2538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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" "RUSTDOCFLAGS=--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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a87102cf5bf1f40d4b0ae4cd60504f4cecaa23995f11c3ddc3edfa0266a3dc3b
[INFO] running `Command { std: "docker" "start" "-a" "a87102cf5bf1f40d4b0ae4cd60504f4cecaa23995f11c3ddc3edfa0266a3dc3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]    Compiling ethashproof-adapter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.50/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=361e8a545f9e1842 -C extra-filename=-361e8a545f9e1842 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (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" "a87102cf5bf1f40d4b0ae4cd60504f4cecaa23995f11c3ddc3edfa0266a3dc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87102cf5bf1f40d4b0ae4cd60504f4cecaa23995f11c3ddc3edfa0266a3dc3b", kill_on_drop: false }`
[INFO] [stdout] a87102cf5bf1f40d4b0ae4cd60504f4cecaa23995f11c3ddc3edfa0266a3dc3b
