[INFO] cloning repository https://github.com/killercup/roff-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/killercup/roff-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Froff-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Froff-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 330ea899a6dcb15f102eaf2f39d18f0c48376136
[INFO] checking killercup/roff-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Froff-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/killercup/roff-rs 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/killercup/roff-rs
[INFO] finished tweaking git repo https://github.com/killercup/roff-rs
[INFO] tweaked toml for git repo https://github.com/killercup/roff-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/killercup/roff-rs 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] e9e4e3de16e69d66dc768b0829019e2f5d7603c422aafe99d549c80f9d79bbc7
[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" "e9e4e3de16e69d66dc768b0829019e2f5d7603c422aafe99d549c80f9d79bbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e4e3de16e69d66dc768b0829019e2f5d7603c422aafe99d549c80f9d79bbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e4e3de16e69d66dc768b0829019e2f5d7603c422aafe99d549c80f9d79bbc7", kill_on_drop: false }`
[INFO] [stdout] e9e4e3de16e69d66dc768b0829019e2f5d7603c422aafe99d549c80f9d79bbc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] aa3111656e3a26bf68df5ed6a36a64404eae0d2a3088fc76c1e1e58f6bb3248f
[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" "aa3111656e3a26bf68df5ed6a36a64404eae0d2a3088fc76c1e1e58f6bb3248f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking roff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking shared_child v0.3.4
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]     Checking duct v0.13.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "aa3111656e3a26bf68df5ed6a36a64404eae0d2a3088fc76c1e1e58f6bb3248f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa3111656e3a26bf68df5ed6a36a64404eae0d2a3088fc76c1e1e58f6bb3248f", kill_on_drop: false }`
[INFO] [stdout] aa3111656e3a26bf68df5ed6a36a64404eae0d2a3088fc76c1e1e58f6bb3248f