[INFO] updating cached repository https://github.com/acheronfail/i3-plasma
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fae15ee399db910425d1952b1edbbef939636e54
[INFO] checking acheronfail/i3-plasma against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Facheronfail%2Fi3-plasma" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/acheronfail/i3-plasma on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/acheronfail/i3-plasma
[INFO] finished tweaking git repo https://github.com/acheronfail/i3-plasma
[INFO] tweaked toml for git repo https://github.com/acheronfail/i3-plasma written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/acheronfail/i3-plasma already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "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] 21e409e91face338d42b4bda6fc7febd9f73b22ce729de391e40417d477c0abf
[INFO] running `"docker" "start" "-a" "21e409e91face338d42b4bda6fc7febd9f73b22ce729de391e40417d477c0abf"`
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking i3ipc v0.10.1 (https://github.com/acheronfail/i3ipc-rs?branch=feat/add-windowtype-to-node#e1aa477f)
[INFO] [stderr]    Compiling i3-plasma-integration v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: couldn't read build.rs: No such file or directory (os error 2)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `i3-plasma-integration`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "21e409e91face338d42b4bda6fc7febd9f73b22ce729de391e40417d477c0abf"`
[INFO] running `"docker" "rm" "-f" "21e409e91face338d42b4bda6fc7febd9f73b22ce729de391e40417d477c0abf"`
[INFO] [stdout] 21e409e91face338d42b4bda6fc7febd9f73b22ce729de391e40417d477c0abf
