[INFO] cloning repository https://github.com/OOP-opg/chessmate
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OOP-opg/chessmate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOOP-opg%2Fchessmate"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOOP-opg%2Fchessmate'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 37663c1b87b0aa05677a76f8a3d9d3238519ed56
[INFO] checking OOP-opg/chessmate against master#d939f708d960161d23b964309ba68ff207fc0ead for pr-70087
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOOP-opg%2Fchessmate" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OOP-opg/chessmate on toolchain d939f708d960161d23b964309ba68ff207fc0ead
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/OOP-opg/chessmate
[INFO] finished tweaking git repo https://github.com/OOP-opg/chessmate
[INFO] tweaked toml for git repo https://github.com/OOP-opg/chessmate written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/OOP-opg/chessmate already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3b4f2164bce1f01268d4a1029e344e458a4e497748fcb9e46cbdc4afaac8fe96
[INFO] running `"docker" "start" "-a" "3b4f2164bce1f01268d4a1029e344e458a4e497748fcb9e46cbdc4afaac8fe96"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking inotify v0.7.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling cookie v0.11.2
[INFO] [stderr]     Checking rocket_http v0.4.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.4
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking rocket v0.4.4
[INFO] [stderr]     Checking rocket_contrib v0.4.4
[INFO] [stderr]     Checking chessmate v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "3b4f2164bce1f01268d4a1029e344e458a4e497748fcb9e46cbdc4afaac8fe96"`
[INFO] running `"docker" "rm" "-f" "3b4f2164bce1f01268d4a1029e344e458a4e497748fcb9e46cbdc4afaac8fe96"`
[INFO] [stdout] 3b4f2164bce1f01268d4a1029e344e458a4e497748fcb9e46cbdc4afaac8fe96