[INFO] cloning repository https://github.com/pkgw/cranko
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pkgw/cranko" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Fcranko", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Fcranko'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 275e93e36d4d70299ddf70357cc6439d6afd912f
[INFO] checking pkgw/cranko against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkgw%2Fcranko" "/workspace/builds/worker-100/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pkgw/cranko 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/pkgw/cranko
[INFO] finished tweaking git repo https://github.com/pkgw/cranko
[INFO] tweaked toml for git repo https://github.com/pkgw/cranko written to /workspace/builds/worker-100/source/Cargo.toml
[INFO] crate git repo https://github.com/pkgw/cranko 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]     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 atomicwrites v0.2.5
[INFO] [stderr]   Downloaded toml_edit v0.2.0
[INFO] [stderr]   Downloaded configparser v1.0.0
[INFO] [stderr]   Downloaded git-url-parse v0.2.0
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded dynfmt v0.1.5
[INFO] [stderr]   Downloaded zip v0.5.11
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] c861a8f42bd4507ec2e2e55fc9d6bb4a8d630677fee9fb2347165c4a8e43488b
[INFO] running `Command { std: "docker" "start" "-a" "c861a8f42bd4507ec2e2e55fc9d6bb4a8d630677fee9fb2347165c4a8e43488b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c861a8f42bd4507ec2e2e55fc9d6bb4a8d630677fee9fb2347165c4a8e43488b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c861a8f42bd4507ec2e2e55fc9d6bb4a8d630677fee9fb2347165c4a8e43488b", kill_on_drop: false }`
[INFO] [stdout] c861a8f42bd4507ec2e2e55fc9d6bb4a8d630677fee9fb2347165c4a8e43488b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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] 54650ffa60dd6119cf92c3c809f846849315b91b0451c8522bfebb23b4ea1d63
[INFO] running `Command { std: "docker" "start" "-a" "54650ffa60dd6119cf92c3c809f846849315b91b0451c8522bfebb23b4ea1d63", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "54650ffa60dd6119cf92c3c809f846849315b91b0451c8522bfebb23b4ea1d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54650ffa60dd6119cf92c3c809f846849315b91b0451c8522bfebb23b4ea1d63", kill_on_drop: false }`
[INFO] [stdout] 54650ffa60dd6119cf92c3c809f846849315b91b0451c8522bfebb23b4ea1d63