[INFO] cloning repository https://github.com/wgreenberg/rs-markov
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wgreenberg/rs-markov" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgreenberg%2Frs-markov", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgreenberg%2Frs-markov'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3929f5b8032eb34500ab39cb12dff234c2fc16d2
[INFO] checking wgreenberg/rs-markov against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgreenberg%2Frs-markov" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wgreenberg/rs-markov on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wgreenberg/rs-markov
[INFO] finished tweaking git repo https://github.com/wgreenberg/rs-markov
[INFO] tweaked toml for git repo https://github.com/wgreenberg/rs-markov written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wgreenberg/rs-markov already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f595c52768c6e385c9625c044e0ec781a87a03501224e50217cd8efb14a4e39
[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" "2f595c52768c6e385c9625c044e0ec781a87a03501224e50217cd8efb14a4e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f595c52768c6e385c9625c044e0ec781a87a03501224e50217cd8efb14a4e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f595c52768c6e385c9625c044e0ec781a87a03501224e50217cd8efb14a4e39", kill_on_drop: false }`
[INFO] [stdout] 2f595c52768c6e385c9625c044e0ec781a87a03501224e50217cd8efb14a4e39
[INFO] running `Command { std: "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" "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" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] f2d7d11159671941fbcf8f550254d9fb2b3311b2a5baf2d306f0450fdfd20008
[INFO] running `Command { std: "docker" "start" "-a" "f2d7d11159671941fbcf8f550254d9fb2b3311b2a5baf2d306f0450fdfd20008", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking rs-markov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
[INFO] running `Command { std: "docker" "inspect" "f2d7d11159671941fbcf8f550254d9fb2b3311b2a5baf2d306f0450fdfd20008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d7d11159671941fbcf8f550254d9fb2b3311b2a5baf2d306f0450fdfd20008", kill_on_drop: false }`
[INFO] [stdout] f2d7d11159671941fbcf8f550254d9fb2b3311b2a5baf2d306f0450fdfd20008