[INFO] cloning repository https://github.com/AspenJames/markov-chain-text
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AspenJames/markov-chain-text" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAspenJames%2Fmarkov-chain-text", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAspenJames%2Fmarkov-chain-text'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5286f3834873388b9c7db8f8f3bcaf9642ff096
[INFO] checking AspenJames/markov-chain-text against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAspenJames%2Fmarkov-chain-text" "/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/AspenJames/markov-chain-text on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AspenJames/markov-chain-text
[INFO] finished tweaking git repo https://github.com/AspenJames/markov-chain-text
[INFO] tweaked toml for git repo https://github.com/AspenJames/markov-chain-text written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/AspenJames/markov-chain-text already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204556bc11a83e2b774bf15c9044cff705f903619c7c9e6cb1976c1e0b77d3f0
[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" "204556bc11a83e2b774bf15c9044cff705f903619c7c9e6cb1976c1e0b77d3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204556bc11a83e2b774bf15c9044cff705f903619c7c9e6cb1976c1e0b77d3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204556bc11a83e2b774bf15c9044cff705f903619c7c9e6cb1976c1e0b77d3f0", kill_on_drop: false }`
[INFO] [stdout] 204556bc11a83e2b774bf15c9044cff705f903619c7c9e6cb1976c1e0b77d3f0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 088ebb8ec254e340d84133bdb94ba5cdd69abbb106ba09d3c65bbb7f8108ec9b
[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" "088ebb8ec254e340d84133bdb94ba5cdd69abbb106ba09d3c65bbb7f8108ec9b", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking markov v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "088ebb8ec254e340d84133bdb94ba5cdd69abbb106ba09d3c65bbb7f8108ec9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088ebb8ec254e340d84133bdb94ba5cdd69abbb106ba09d3c65bbb7f8108ec9b", kill_on_drop: false }`
[INFO] [stdout] 088ebb8ec254e340d84133bdb94ba5cdd69abbb106ba09d3c65bbb7f8108ec9b