[INFO] cloning repository https://github.com/weclaw1/deterministic_finite_automaton
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weclaw1/deterministic_finite_automaton" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweclaw1%2Fdeterministic_finite_automaton", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweclaw1%2Fdeterministic_finite_automaton'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c351231cfe892df1b44c004af330eb676056e581
[INFO] checking weclaw1/deterministic_finite_automaton against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweclaw1%2Fdeterministic_finite_automaton" "/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/weclaw1/deterministic_finite_automaton on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/weclaw1/deterministic_finite_automaton
[INFO] finished tweaking git repo https://github.com/weclaw1/deterministic_finite_automaton
[INFO] tweaked toml for git repo https://github.com/weclaw1/deterministic_finite_automaton written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/weclaw1/deterministic_finite_automaton already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.16.0
[INFO] [stderr]   Downloaded either v1.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.4
[INFO] [stderr]   Downloaded serde_derive v1.0.16
[INFO] [stderr]   Downloaded serde v1.0.16
[INFO] [stderr]   Downloaded itertools v0.7.1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8aee24f3b3136297a9e628ab0b1081e0f62b64d8f47352c2b6bd96435399fbe
[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" "f8aee24f3b3136297a9e628ab0b1081e0f62b64d8f47352c2b6bd96435399fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8aee24f3b3136297a9e628ab0b1081e0f62b64d8f47352c2b6bd96435399fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8aee24f3b3136297a9e628ab0b1081e0f62b64d8f47352c2b6bd96435399fbe", kill_on_drop: false }`
[INFO] [stdout] f8aee24f3b3136297a9e628ab0b1081e0f62b64d8f47352c2b6bd96435399fbe
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcf4c51dd74c7bb49ffae529291470194689f6902dba28532542df5bd704264b
[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" "dcf4c51dd74c7bb49ffae529291470194689f6902dba28532542df5bd704264b", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking either v1.3.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking itertools v0.7.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.16
[INFO] [stderr]     Checking serde_json v1.0.4
[INFO] [stderr]     Checking deterministic_finite_automaton v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.75s
[INFO] running `Command { std: "docker" "inspect" "dcf4c51dd74c7bb49ffae529291470194689f6902dba28532542df5bd704264b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf4c51dd74c7bb49ffae529291470194689f6902dba28532542df5bd704264b", kill_on_drop: false }`
[INFO] [stdout] dcf4c51dd74c7bb49ffae529291470194689f6902dba28532542df5bd704264b