[INFO] cloning repository https://github.com/SiegeEngine/siege-example-net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SiegeEngine/siege-example-net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d10ff52326e6946cc4bd0409c5ede6ca5aadcc73
[INFO] checking SiegeEngine/siege-example-net against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSiegeEngine%2Fsiege-example-net" "/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/SiegeEngine/siege-example-net on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SiegeEngine/siege-example-net
[INFO] finished tweaking git repo https://github.com/SiegeEngine/siege-example-net
[INFO] tweaked toml for git repo https://github.com/SiegeEngine/siege-example-net written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/SiegeEngine/siege-net`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 24259a05f4823accf39d4eb5a495f9575f1fcdc417616d72c32d22c595f4bb25
[INFO] running `Command { std: "docker" "start" "-a" "24259a05f4823accf39d4eb5a495f9575f1fcdc417616d72c32d22c595f4bb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24259a05f4823accf39d4eb5a495f9575f1fcdc417616d72c32d22c595f4bb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24259a05f4823accf39d4eb5a495f9575f1fcdc417616d72c32d22c595f4bb25", kill_on_drop: false }`
[INFO] [stdout] 24259a05f4823accf39d4eb5a495f9575f1fcdc417616d72c32d22c595f4bb25
[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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39bdef4799ab05f1733a3ecbc3546c96e688448f173cd3888624343c8829cabd
[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" "39bdef4799ab05f1733a3ecbc3546c96e688448f173cd3888624343c8829cabd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking siege-net v0.3.1 (https://github.com/SiegeEngine/siege-net#e7bf3a5e)
[INFO] [stderr]     Checking siege-example-net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.53s
[INFO] running `Command { std: "docker" "inspect" "39bdef4799ab05f1733a3ecbc3546c96e688448f173cd3888624343c8829cabd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bdef4799ab05f1733a3ecbc3546c96e688448f173cd3888624343c8829cabd", kill_on_drop: false }`
[INFO] [stdout] 39bdef4799ab05f1733a3ecbc3546c96e688448f173cd3888624343c8829cabd