[INFO] cloning repository https://github.com/robertschaap/rustserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robertschaap/rustserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertschaap%2Frustserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertschaap%2Frustserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 631a312817bf649781247b86d0248909d633f029
[INFO] checking robertschaap/rustserver against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobertschaap%2Frustserver" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robertschaap/rustserver on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robertschaap/rustserver
[INFO] finished tweaking git repo https://github.com/robertschaap/rustserver
[INFO] tweaked toml for git repo https://github.com/robertschaap/rustserver written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/robertschaap/rustserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 55210bc0e831f5407311f57bdcfcc76c8089d62c2487679a8663079d3cb69db5
[INFO] running `Command { std: "docker" "start" "-a" "55210bc0e831f5407311f57bdcfcc76c8089d62c2487679a8663079d3cb69db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55210bc0e831f5407311f57bdcfcc76c8089d62c2487679a8663079d3cb69db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55210bc0e831f5407311f57bdcfcc76c8089d62c2487679a8663079d3cb69db5", kill_on_drop: false }`
[INFO] [stdout] 55210bc0e831f5407311f57bdcfcc76c8089d62c2487679a8663079d3cb69db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d45c6b8c7f638a3593fc90b48610ea11edcd76463d5469e9bad26ed4ef672fa1
[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" "d45c6b8c7f638a3593fc90b48610ea11edcd76463d5469e9bad26ed4ef672fa1", kill_on_drop: false }`
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking log v0.4.4
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]     Checking iron v0.5.1
[INFO] [stderr]     Checking persistent v0.3.0
[INFO] [stderr]     Checking router v0.5.1
[INFO] [stderr]     Checking bodyparser v0.5.0
[INFO] [stderr]     Checking urlencoded v0.5.0
[INFO] [stderr]     Checking rustserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.26s
[INFO] running `Command { std: "docker" "inspect" "d45c6b8c7f638a3593fc90b48610ea11edcd76463d5469e9bad26ed4ef672fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45c6b8c7f638a3593fc90b48610ea11edcd76463d5469e9bad26ed4ef672fa1", kill_on_drop: false }`
[INFO] [stdout] d45c6b8c7f638a3593fc90b48610ea11edcd76463d5469e9bad26ed4ef672fa1