[INFO] cloning repository https://github.com/gregcline/rs-readme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregcline/rs-readme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregcline%2Frs-readme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregcline%2Frs-readme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc7c60786c0c930d26c1c03c963ff531ca6a6cc9
[INFO] testing gregcline/rs-readme against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregcline%2Frs-readme" "/workspace/builds/worker-74/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-74/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregcline/rs-readme on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gregcline/rs-readme
[INFO] finished tweaking git repo https://github.com/gregcline/rs-readme
[INFO] tweaked toml for git repo https://github.com/gregcline/rs-readme written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] crate git repo https://github.com/gregcline/rs-readme already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded http-service v0.5.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.7.2
[INFO] [stderr]   Downloaded http-types v1.3.1
[INFO] [stderr]   Downloaded infer v0.2.3
[INFO] [stderr]   Downloaded tide v0.15.0
[INFO] [stderr]   Downloaded async-global-executor v1.4.3
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded async-dup v1.2.2
[INFO] [stderr]   Downloaded http v0.2.2
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded data-encoding v2.3.1
[INFO] [stderr]   Downloaded serde_qs v0.7.2
[INFO] [stderr]   Downloaded http-client v6.2.0
[INFO] [stderr]   Downloaded horrorshow v0.8.3
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded omnom v2.1.2
[INFO] [stderr]   Downloaded http-service-mock v0.5.0
[INFO] [stderr]   Downloaded mockito v0.23.3
[INFO] [stderr]   Downloaded async-h1 v2.3.0
[INFO] [stderr]   Downloaded polling v1.1.0
[INFO] [stderr]   Downloaded http-types v2.9.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded surf v2.1.0
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded curl v0.4.34
[INFO] [stderr]   Downloaded sluice v0.5.3
[INFO] [stderr]   Downloaded curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]   Downloaded isahc v0.9.12
[INFO] [stderr]   Downloaded async-io v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c7c9460a5433c827d227a8cd2a8b740c4b173ab2896288d913779b12e0014ef
[INFO] running `Command { std: "docker" "start" "-a" "8c7c9460a5433c827d227a8cd2a8b740c4b173ab2896288d913779b12e0014ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c7c9460a5433c827d227a8cd2a8b740c4b173ab2896288d913779b12e0014ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7c9460a5433c827d227a8cd2a8b740c4b173ab2896288d913779b12e0014ef", kill_on_drop: false }`
[INFO] [stdout] 8c7c9460a5433c827d227a8cd2a8b740c4b173ab2896288d913779b12e0014ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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=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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3206553d03fdbff65cc82a4c11d7004a5bc41a6fd4703ed0a4a40f3c7912b541
[INFO] running `Command { std: "docker" "start" "-a" "3206553d03fdbff65cc82a4c11d7004a5bc41a6fd4703ed0a4a40f3c7912b541", 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]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.11
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling vec-arena v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling futures-sink v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling http-types v2.9.0
[INFO] [stderr]    Compiling data-encoding v2.3.1
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling infer v0.2.3
[INFO] [stderr]    Compiling isahc v0.9.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]    Compiling route-recognizer v0.2.0
[INFO] [stderr]    Compiling horrorshow v0.8.3
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling clap v2.33.1
[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-1.0.58/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=c632ae155f1d37be -C extra-filename=-c632ae155f1d37be --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "3206553d03fdbff65cc82a4c11d7004a5bc41a6fd4703ed0a4a40f3c7912b541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3206553d03fdbff65cc82a4c11d7004a5bc41a6fd4703ed0a4a40f3c7912b541", kill_on_drop: false }`
[INFO] [stdout] 3206553d03fdbff65cc82a4c11d7004a5bc41a6fd4703ed0a4a40f3c7912b541
