[INFO] cloning repository https://github.com/k-masatany/rusternel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/k-masatany/rusternel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-masatany%2Frusternel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-masatany%2Frusternel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a333caf68477414af542e28e58849782a5853d72
[INFO] checking k-masatany/rusternel against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fk-masatany%2Frusternel" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/k-masatany/rusternel on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/k-masatany/rusternel
[INFO] finished tweaking git repo https://github.com/k-masatany/rusternel
[INFO] tweaked toml for git repo https://github.com/k-masatany/rusternel written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/k-masatany/rusternel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e94002fb8405edd9880d5453bfdd0ff50f2edcc8d12c26bea5f5b94b80723b8e
[INFO] running `Command { std: "docker" "start" "-a" "e94002fb8405edd9880d5453bfdd0ff50f2edcc8d12c26bea5f5b94b80723b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e94002fb8405edd9880d5453bfdd0ff50f2edcc8d12c26bea5f5b94b80723b8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e94002fb8405edd9880d5453bfdd0ff50f2edcc8d12c26bea5f5b94b80723b8e", kill_on_drop: false }`
[INFO] [stdout] e94002fb8405edd9880d5453bfdd0ff50f2edcc8d12c26bea5f5b94b80723b8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6061cf9c0aa250f48d774008d6c4a9cd37d0bc05460e3b8d7060adb9fac5a24
[INFO] running `Command { std: "docker" "start" "-a" "e6061cf9c0aa250f48d774008d6c4a9cd37d0bc05460e3b8d7060adb9fac5a24", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusternel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read build.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusternel`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e6061cf9c0aa250f48d774008d6c4a9cd37d0bc05460e3b8d7060adb9fac5a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6061cf9c0aa250f48d774008d6c4a9cd37d0bc05460e3b8d7060adb9fac5a24", kill_on_drop: false }`
[INFO] [stdout] e6061cf9c0aa250f48d774008d6c4a9cd37d0bc05460e3b8d7060adb9fac5a24