[INFO] cloning repository https://github.com/Lyndon-Mackay/regex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lyndon-Mackay/regex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndon-Mackay%2Fregex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndon-Mackay%2Fregex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b81a43944184c28317e9bfd87649abe20ada012
[INFO] checking Lyndon-Mackay/regex against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLyndon-Mackay%2Fregex" "/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/Lyndon-Mackay/regex 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/Lyndon-Mackay/regex
[INFO] finished tweaking git repo https://github.com/Lyndon-Mackay/regex
[INFO] tweaked toml for git repo https://github.com/Lyndon-Mackay/regex written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Lyndon-Mackay/regex 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] 7e44d06415abc4009e9f3f6b396459f3ff5c0c050dc0b44ac8c80f989c5190d1
[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" "7e44d06415abc4009e9f3f6b396459f3ff5c0c050dc0b44ac8c80f989c5190d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e44d06415abc4009e9f3f6b396459f3ff5c0c050dc0b44ac8c80f989c5190d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e44d06415abc4009e9f3f6b396459f3ff5c0c050dc0b44ac8c80f989c5190d1", kill_on_drop: false }`
[INFO] [stdout] 7e44d06415abc4009e9f3f6b396459f3ff5c0c050dc0b44ac8c80f989c5190d1
[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] [stdout] e184c6c0f1a1cb6ff938a3b339596759541f022dbead87a3fa8a3f7f5163e7de
[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" "e184c6c0f1a1cb6ff938a3b339596759541f022dbead87a3fa8a3f7f5163e7de", kill_on_drop: false }`
[INFO] [stderr]     Checking if_chain v1.0.0
[INFO] [stderr]     Checking regex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "e184c6c0f1a1cb6ff938a3b339596759541f022dbead87a3fa8a3f7f5163e7de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e184c6c0f1a1cb6ff938a3b339596759541f022dbead87a3fa8a3f7f5163e7de", kill_on_drop: false }`
[INFO] [stdout] e184c6c0f1a1cb6ff938a3b339596759541f022dbead87a3fa8a3f7f5163e7de