[INFO] cloning repository https://github.com/m-wynn/php-opcache-exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-wynn/php-opcache-exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-wynn%2Fphp-opcache-exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-wynn%2Fphp-opcache-exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7022a9add224db80692b9947efbcdc5c5cec1e8
[INFO] checking m-wynn/php-opcache-exporter against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-wynn%2Fphp-opcache-exporter" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-wynn/php-opcache-exporter 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/m-wynn/php-opcache-exporter
[INFO] finished tweaking git repo https://github.com/m-wynn/php-opcache-exporter
[INFO] tweaked toml for git repo https://github.com/m-wynn/php-opcache-exporter written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/m-wynn/php-opcache-exporter 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-rustls v0.12.2
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] [stderr]   Downloaded aho-corasick v0.7.8
[INFO] [stderr]   Downloaded webpki v0.21.2
[INFO] [stderr]   Downloaded rustversion v1.0.2
[INFO] [stderr]   Downloaded proc-macro-error v0.4.9
[INFO] [stderr]   Downloaded kv-log-macro v1.0.4
[INFO] [stderr]   Downloaded regex v1.3.4
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.9
[INFO] [stderr]   Downloaded regex-syntax v0.6.14
[INFO] [stderr]   Downloaded memchr v2.3.2
[INFO] [stderr]   Downloaded hyper v0.13.2
[INFO] [stderr]   Downloaded backtrace v0.3.44
[INFO] [stderr]   Downloaded tokio-macros v0.2.4
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded fastcgi-client v0.5.0
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] [stderr]   Downloaded prometheus_exporter_base v0.30.3
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 1ce39921f13873dd91e3491b35791ea4b934154fc0b2082003148d12ef14fda7
[INFO] running `Command { std: "docker" "start" "-a" "1ce39921f13873dd91e3491b35791ea4b934154fc0b2082003148d12ef14fda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ce39921f13873dd91e3491b35791ea4b934154fc0b2082003148d12ef14fda7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce39921f13873dd91e3491b35791ea4b934154fc0b2082003148d12ef14fda7", kill_on_drop: false }`
[INFO] [stdout] 1ce39921f13873dd91e3491b35791ea4b934154fc0b2082003148d12ef14fda7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 46321355c21bc257852866bcf1a61f590befef74375f1a8c036ee88b5398325f
[INFO] running `Command { std: "docker" "start" "-a" "46321355c21bc257852866bcf1a61f590befef74375f1a8c036ee88b5398325f", 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" "46321355c21bc257852866bcf1a61f590befef74375f1a8c036ee88b5398325f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46321355c21bc257852866bcf1a61f590befef74375f1a8c036ee88b5398325f", kill_on_drop: false }`
[INFO] [stdout] 46321355c21bc257852866bcf1a61f590befef74375f1a8c036ee88b5398325f