[INFO] cloning repository https://github.com/PerArneng/sysgraph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PerArneng/sysgraph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerArneng%2Fsysgraph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerArneng%2Fsysgraph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1c413cc0d733b567fbed04788467f631cbbbaf4
[INFO] checking PerArneng/sysgraph against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPerArneng%2Fsysgraph" "/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/PerArneng/sysgraph on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PerArneng/sysgraph
[INFO] finished tweaking git repo https://github.com/PerArneng/sysgraph
[INFO] tweaked toml for git repo https://github.com/PerArneng/sysgraph written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/PerArneng/sysgraph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", 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] f005e42daedd5f31b052ce7e8c6fb1762cbcfee5492b758a269a6e40f87eaa5c
[INFO] running `Command { std: "docker" "start" "-a" "f005e42daedd5f31b052ce7e8c6fb1762cbcfee5492b758a269a6e40f87eaa5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f005e42daedd5f31b052ce7e8c6fb1762cbcfee5492b758a269a6e40f87eaa5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f005e42daedd5f31b052ce7e8c6fb1762cbcfee5492b758a269a6e40f87eaa5c", kill_on_drop: false }`
[INFO] [stdout] f005e42daedd5f31b052ce7e8c6fb1762cbcfee5492b758a269a6e40f87eaa5c
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9cdaa31f318f693b738aa9a89f1c63717282d2a2dcdd89bbe47dcbc91f1600c
[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" "d9cdaa31f318f693b738aa9a89f1c63717282d2a2dcdd89bbe47dcbc91f1600c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.32
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking sysgraph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "d9cdaa31f318f693b738aa9a89f1c63717282d2a2dcdd89bbe47dcbc91f1600c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cdaa31f318f693b738aa9a89f1c63717282d2a2dcdd89bbe47dcbc91f1600c", kill_on_drop: false }`
[INFO] [stdout] d9cdaa31f318f693b738aa9a89f1c63717282d2a2dcdd89bbe47dcbc91f1600c