[INFO] cloning repository https://github.com/queensferryme/leetcode.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/queensferryme/leetcode.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqueensferryme%2Fleetcode.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqueensferryme%2Fleetcode.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60336c8d717f0bd6984fc60e74bb74adf2f12516
[INFO] checking queensferryme/leetcode.rs against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqueensferryme%2Fleetcode.rs" "/workspace/builds/worker-45/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-45/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/queensferryme/leetcode.rs on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/queensferryme/leetcode.rs
[INFO] finished tweaking git repo https://github.com/queensferryme/leetcode.rs
[INFO] tweaked toml for git repo https://github.com/queensferryme/leetcode.rs written to /workspace/builds/worker-45/source/Cargo.toml
[INFO] crate git repo https://github.com/queensferryme/leetcode.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92cd29fbc6756d84f83ae47e329f29523c98c32c764d7cb4bc6bd5276c5484c3
[INFO] running `Command { std: "docker" "start" "-a" "92cd29fbc6756d84f83ae47e329f29523c98c32c764d7cb4bc6bd5276c5484c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92cd29fbc6756d84f83ae47e329f29523c98c32c764d7cb4bc6bd5276c5484c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92cd29fbc6756d84f83ae47e329f29523c98c32c764d7cb4bc6bd5276c5484c3", kill_on_drop: false }`
[INFO] [stdout] 92cd29fbc6756d84f83ae47e329f29523c98c32c764d7cb4bc6bd5276c5484c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fc3c7e86e9d0eb5874afc49cc970f3c7d8bf94e7148658bee0f5cfbc925c9a0
[INFO] running `Command { std: "docker" "start" "-a" "6fc3c7e86e9d0eb5874afc49cc970f3c7d8bf94e7148658bee0f5cfbc925c9a0", 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" "6fc3c7e86e9d0eb5874afc49cc970f3c7d8bf94e7148658bee0f5cfbc925c9a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc3c7e86e9d0eb5874afc49cc970f3c7d8bf94e7148658bee0f5cfbc925c9a0", kill_on_drop: false }`
[INFO] [stdout] 6fc3c7e86e9d0eb5874afc49cc970f3c7d8bf94e7148658bee0f5cfbc925c9a0