[INFO] cloning repository https://github.com/ianfabs/gig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianfabs/gig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianfabs%2Fgig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianfabs%2Fgig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 848e185ade5691fc25b02906ad9646d37ecb964e
[INFO] testing ianfabs/gig against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianfabs%2Fgig" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ianfabs/gig on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ianfabs/gig
[INFO] finished tweaking git repo https://github.com/ianfabs/gig
[INFO] tweaked toml for git repo https://github.com/ianfabs/gig written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/ianfabs/gig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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 openssl-sys v0.9.45
[INFO] [stderr]   Downloaded curl-sys v0.4.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8425a673d42d81fd3d26c290340fc409781f9a1e96b1d750260d5c7f1b95c1b7
[INFO] running `Command { std: "docker" "start" "-a" "8425a673d42d81fd3d26c290340fc409781f9a1e96b1d750260d5c7f1b95c1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8425a673d42d81fd3d26c290340fc409781f9a1e96b1d750260d5c7f1b95c1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8425a673d42d81fd3d26c290340fc409781f9a1e96b1d750260d5c7f1b95c1b7", kill_on_drop: false }`
[INFO] [stdout] 8425a673d42d81fd3d26c290340fc409781f9a1e96b1d750260d5c7f1b95c1b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6ff1f6a5d1fef26c0bb8059375f54ce3b5ad5bf852c87d085276736645d5af
[INFO] running `Command { std: "docker" "start" "-a" "7c6ff1f6a5d1fef26c0bb8059375f54ce3b5ad5bf852c87d085276736645d5af", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling libc v0.2.53
[INFO] [stderr]    Compiling bitflags v1.0.5
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling gig v0.2.5-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stdout] error[E0463]: can't find crate for `cc`
[INFO] [stdout]  --> build.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate cc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gig` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7c6ff1f6a5d1fef26c0bb8059375f54ce3b5ad5bf852c87d085276736645d5af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6ff1f6a5d1fef26c0bb8059375f54ce3b5ad5bf852c87d085276736645d5af", kill_on_drop: false }`
[INFO] [stdout] 7c6ff1f6a5d1fef26c0bb8059375f54ce3b5ad5bf852c87d085276736645d5af