[INFO] updating cached repository https://github.com/reeceyang/cryptography
[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] [stderr] From https://github.com/reeceyang/cryptography
[INFO] [stderr]    e4034c2..b02d93f  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b02d93fe99a232eb3ed46c8f98acbe70d89e5a96
[INFO] testing reeceyang/cryptography against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freeceyang%2Fcryptography" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/reeceyang/cryptography on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/reeceyang/cryptography
[INFO] finished tweaking git repo https://github.com/reeceyang/cryptography
[INFO] tweaked toml for git repo https://github.com/reeceyang/cryptography written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/reeceyang/cryptography already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 609470d77399fdceabf193e944048d0fe25a20795d40da99f3b5a2548c3950d7
[INFO] running `"docker" "start" "-a" "609470d77399fdceabf193e944048d0fe25a20795d40da99f3b5a2548c3950d7"`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling rug v1.7.0
[INFO] [stderr]    Compiling az v0.3.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "609470d77399fdceabf193e944048d0fe25a20795d40da99f3b5a2548c3950d7"`
[INFO] running `"docker" "rm" "-f" "609470d77399fdceabf193e944048d0fe25a20795d40da99f3b5a2548c3950d7"`
[INFO] [stdout] 609470d77399fdceabf193e944048d0fe25a20795d40da99f3b5a2548c3950d7