[INFO] cloning repository https://github.com/heartleth/enpp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/heartleth/enpp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartleth%2Fenpp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartleth%2Fenpp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58f2f34d1b21832292bf350e23142b4c7ebf50bd
[INFO] checking heartleth/enpp-rust against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fheartleth%2Fenpp-rust" "/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/heartleth/enpp-rust on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/heartleth/enpp-rust
[INFO] finished tweaking git repo https://github.com/heartleth/enpp-rust
[INFO] tweaked toml for git repo https://github.com/heartleth/enpp-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/heartleth/enpp-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 881cc0eb3e033cc8e9f70c153c253a7f3d3fd83dff076032f497ed178a40f57f
[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" "881cc0eb3e033cc8e9f70c153c253a7f3d3fd83dff076032f497ed178a40f57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881cc0eb3e033cc8e9f70c153c253a7f3d3fd83dff076032f497ed178a40f57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881cc0eb3e033cc8e9f70c153c253a7f3d3fd83dff076032f497ed178a40f57f", kill_on_drop: false }`
[INFO] [stdout] 881cc0eb3e033cc8e9f70c153c253a7f3d3fd83dff076032f497ed178a40f57f
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7338aa232ac7bdc05afea15cfd59fc80ce4461aa17bba783eb5697abae067630
[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" "7338aa232ac7bdc05afea15cfd59fc80ce4461aa17bba783eb5697abae067630", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking engpp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.55s
[INFO] running `Command { std: "docker" "inspect" "7338aa232ac7bdc05afea15cfd59fc80ce4461aa17bba783eb5697abae067630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7338aa232ac7bdc05afea15cfd59fc80ce4461aa17bba783eb5697abae067630", kill_on_drop: false }`
[INFO] [stdout] 7338aa232ac7bdc05afea15cfd59fc80ce4461aa17bba783eb5697abae067630