[INFO] cloning repository https://github.com/camjackson/conway_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camjackson/conway_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5895769b2e96b41ef45f8cccc20b59c27dae3d8
[INFO] checking camjackson/conway_rs against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Fconway_rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camjackson/conway_rs on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/camjackson/conway_rs
[INFO] finished tweaking git repo https://github.com/camjackson/conway_rs
[INFO] tweaked toml for git repo https://github.com/camjackson/conway_rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/camjackson/conway_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63d48ff15c636709aa0b6fa29c4b9ebb401b751b935caa505770ac3709a8b7df
[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" "63d48ff15c636709aa0b6fa29c4b9ebb401b751b935caa505770ac3709a8b7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63d48ff15c636709aa0b6fa29c4b9ebb401b751b935caa505770ac3709a8b7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d48ff15c636709aa0b6fa29c4b9ebb401b751b935caa505770ac3709a8b7df", kill_on_drop: false }`
[INFO] [stdout] 63d48ff15c636709aa0b6fa29c4b9ebb401b751b935caa505770ac3709a8b7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 276112f3b52abd3f51d178c5af521a9b9f093f604149cbf27bb51b5ae8d9dc4f
[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" "276112f3b52abd3f51d178c5af521a9b9f093f604149cbf27bb51b5ae8d9dc4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.11
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]    Compiling libloading v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.28
[INFO] [stderr]     Checking crossbeam v0.2.9
[INFO] [stderr]     Checking byteorder v0.5.1
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking smallvec v0.1.7
[INFO] [stderr]    Compiling tempfile v2.1.3
[INFO] [stderr]    Compiling xml-rs v0.3.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking dylib v0.0.1
[INFO] [stderr]     Checking shared_library v0.1.4
[INFO] [stderr]     Checking x11-dl v2.4.0
[INFO] [stderr]     Checking osmesa-sys v0.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.4
[INFO] [stderr]     Checking fs2 v0.2.4
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking dlib v0.3.0
[INFO] [stderr]     Checking wayland-sys v0.5.11
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.1
[INFO] [stderr]    Compiling wayland-client v0.5.11
[INFO] [stderr]    Compiling glutin v0.5.1
[INFO] [stderr]    Compiling glium v0.14.0
[INFO] [stderr]     Checking wayland-window v0.2.3
[INFO] [stderr]     Checking wayland-kbd v0.3.5
[INFO] [stderr]     Checking conway_rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.04s
[INFO] running `Command { std: "docker" "inspect" "276112f3b52abd3f51d178c5af521a9b9f093f604149cbf27bb51b5ae8d9dc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "276112f3b52abd3f51d178c5af521a9b9f093f604149cbf27bb51b5ae8d9dc4f", kill_on_drop: false }`
[INFO] [stdout] 276112f3b52abd3f51d178c5af521a9b9f093f604149cbf27bb51b5ae8d9dc4f