[INFO] cloning repository https://github.com/nathansizemore/keep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nathansizemore/keep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathansizemore%2Fkeep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathansizemore%2Fkeep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9fca518ea9bf418b0ec0c962f6939b32d18d7515
[INFO] checking nathansizemore/keep against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnathansizemore%2Fkeep" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nathansizemore/keep on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nathansizemore/keep
[INFO] finished tweaking git repo https://github.com/nathansizemore/keep
[INFO] tweaked toml for git repo https://github.com/nathansizemore/keep written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nathansizemore/keep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sqlite3-sys v0.12.0
[INFO] [stderr]   Downloaded pad v0.1.4
[INFO] [stderr]   Downloaded docopt v0.8.3
[INFO] [stderr]   Downloaded gcc v0.3.44
[INFO] [stderr]   Downloaded sqlite v0.23.4
[INFO] [stderr]   Downloaded sqlite3-src v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24006ecd78d3d42b4d767a7847a8e671c3f2ad9e10358ff7cb01b40fb9a9e2bb
[INFO] running `Command { std: "docker" "start" "-a" "24006ecd78d3d42b4d767a7847a8e671c3f2ad9e10358ff7cb01b40fb9a9e2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24006ecd78d3d42b4d767a7847a8e671c3f2ad9e10358ff7cb01b40fb9a9e2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24006ecd78d3d42b4d767a7847a8e671c3f2ad9e10358ff7cb01b40fb9a9e2bb", kill_on_drop: false }`
[INFO] [stdout] 24006ecd78d3d42b4d767a7847a8e671c3f2ad9e10358ff7cb01b40fb9a9e2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f8ad85e7ea11ee1696a32a07b80f839f4a90a80d69974ee0cde1d94ce92b7e9
[INFO] running `Command { std: "docker" "start" "-a" "9f8ad85e7ea11ee1696a32a07b80f839f4a90a80d69974ee0cde1d94ce92b7e9", kill_on_drop: false }`
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "9f8ad85e7ea11ee1696a32a07b80f839f4a90a80d69974ee0cde1d94ce92b7e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8ad85e7ea11ee1696a32a07b80f839f4a90a80d69974ee0cde1d94ce92b7e9", kill_on_drop: false }`
[INFO] [stdout] 9f8ad85e7ea11ee1696a32a07b80f839f4a90a80d69974ee0cde1d94ce92b7e9