[INFO] cloning repository https://github.com/superfroggman/CRrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/superfroggman/CRrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperfroggman%2FCRrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperfroggman%2FCRrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ddc476752356161cff65c51842118e213436c9c
[INFO] checking superfroggman/CRrust against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuperfroggman%2FCRrust" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/superfroggman/CRrust on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/superfroggman/CRrust
[INFO] finished tweaking git repo https://github.com/superfroggman/CRrust
[INFO] tweaked toml for git repo https://github.com/superfroggman/CRrust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/superfroggman/CRrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a9b26edfb9c21c4d7ece8371ac9d184647aa5615ef6912f0ec18cd0f8dac94a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a9b26edfb9c21c4d7ece8371ac9d184647aa5615ef6912f0ec18cd0f8dac94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a9b26edfb9c21c4d7ece8371ac9d184647aa5615ef6912f0ec18cd0f8dac94a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9b26edfb9c21c4d7ece8371ac9d184647aa5615ef6912f0ec18cd0f8dac94a", kill_on_drop: false }`
[INFO] [stdout] 7a9b26edfb9c21c4d7ece8371ac9d184647aa5615ef6912f0ec18cd0f8dac94a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 6c353a976b19828a17c52daf1f46b7c5facd89e3865429ab68e72a58b8990f7f
[INFO] running `Command { std: "docker" "start" "-a" "6c353a976b19828a17c52daf1f46b7c5facd89e3865429ab68e72a58b8990f7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling ffmpeg-dev v0.3.8
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "6c353a976b19828a17c52daf1f46b7c5facd89e3865429ab68e72a58b8990f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c353a976b19828a17c52daf1f46b7c5facd89e3865429ab68e72a58b8990f7f", kill_on_drop: false }`
[INFO] [stdout] 6c353a976b19828a17c52daf1f46b7c5facd89e3865429ab68e72a58b8990f7f