[INFO] cloning repository https://github.com/hone/hello_helix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hone/hello_helix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Fhello_helix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Fhello_helix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a67fc0d3c8bcaccc08db3dd0c25d4019f09e3f18
[INFO] checking hone/hello_helix against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhone%2Fhello_helix" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hone/hello_helix on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hone/hello_helix
[INFO] finished tweaking git repo https://github.com/hone/hello_helix
[INFO] tweaked toml for git repo https://github.com/hone/hello_helix written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hone/hello_helix already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fb52e52d79ab43a22e1f39e54421b9bccf943fed9b38b3e3aa93435a955fade
[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" "4fb52e52d79ab43a22e1f39e54421b9bccf943fed9b38b3e3aa93435a955fade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb52e52d79ab43a22e1f39e54421b9bccf943fed9b38b3e3aa93435a955fade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb52e52d79ab43a22e1f39e54421b9bccf943fed9b38b3e3aa93435a955fade", kill_on_drop: false }`
[INFO] [stdout] 4fb52e52d79ab43a22e1f39e54421b9bccf943fed9b38b3e3aa93435a955fade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9836c4fdfd7afee5f5d2842ba28f7d8e07b6584cfa009d6a6c3830dbf21f057
[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" "f9836c4fdfd7afee5f5d2842ba28f7d8e07b6584cfa009d6a6c3830dbf21f057", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcruby-sys v0.6.4
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]     Checking helix v0.6.4
[INFO] [stderr]     Checking hello_helix v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "f9836c4fdfd7afee5f5d2842ba28f7d8e07b6584cfa009d6a6c3830dbf21f057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9836c4fdfd7afee5f5d2842ba28f7d8e07b6584cfa009d6a6c3830dbf21f057", kill_on_drop: false }`
[INFO] [stdout] f9836c4fdfd7afee5f5d2842ba28f7d8e07b6584cfa009d6a6c3830dbf21f057