[INFO] cloning repository https://github.com/jorgepacheco/rust_for_dummies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jorgepacheco/rust_for_dummies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgepacheco%2Frust_for_dummies", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgepacheco%2Frust_for_dummies'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10cf6d932354757acb9a06d634c0d805373dad00
[INFO] checking jorgepacheco/rust_for_dummies against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjorgepacheco%2Frust_for_dummies" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jorgepacheco/rust_for_dummies on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jorgepacheco/rust_for_dummies
[INFO] finished tweaking git repo https://github.com/jorgepacheco/rust_for_dummies
[INFO] tweaked toml for git repo https://github.com/jorgepacheco/rust_for_dummies written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jorgepacheco/rust_for_dummies already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6273221cbfb2bb19e3c522eb02929af640d5e9ad1161aa5001aac6b9da3f119a
[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" "6273221cbfb2bb19e3c522eb02929af640d5e9ad1161aa5001aac6b9da3f119a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6273221cbfb2bb19e3c522eb02929af640d5e9ad1161aa5001aac6b9da3f119a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6273221cbfb2bb19e3c522eb02929af640d5e9ad1161aa5001aac6b9da3f119a", kill_on_drop: false }`
[INFO] [stdout] 6273221cbfb2bb19e3c522eb02929af640d5e9ad1161aa5001aac6b9da3f119a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75a6013c252c363553aae3cac93ff6d103a1ada7397e6a58abdc8ab5e6641910
[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" "75a6013c252c363553aae3cac93ff6d103a1ada7397e6a58abdc8ab5e6641910", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "75a6013c252c363553aae3cac93ff6d103a1ada7397e6a58abdc8ab5e6641910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a6013c252c363553aae3cac93ff6d103a1ada7397e6a58abdc8ab5e6641910", kill_on_drop: false }`
[INFO] [stdout] 75a6013c252c363553aae3cac93ff6d103a1ada7397e6a58abdc8ab5e6641910