[INFO] cloning repository https://github.com/robbie0630/solitaire95
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robbie0630/solitaire95" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobbie0630%2Fsolitaire95", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobbie0630%2Fsolitaire95'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c793de9945ad89538323f3de3008ee8016e6602
[INFO] checking robbie0630/solitaire95 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobbie0630%2Fsolitaire95" "/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/robbie0630/solitaire95 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robbie0630/solitaire95
[INFO] finished tweaking git repo https://github.com/robbie0630/solitaire95
[INFO] tweaked toml for git repo https://github.com/robbie0630/solitaire95 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/robbie0630/solitaire95 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6b3bdfdfc1609baafeb0950e4b0c4d8eb486f0491bdf99bc1758a297356ec1
[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" "3c6b3bdfdfc1609baafeb0950e4b0c4d8eb486f0491bdf99bc1758a297356ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6b3bdfdfc1609baafeb0950e4b0c4d8eb486f0491bdf99bc1758a297356ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6b3bdfdfc1609baafeb0950e4b0c4d8eb486f0491bdf99bc1758a297356ec1", kill_on_drop: false }`
[INFO] [stdout] 3c6b3bdfdfc1609baafeb0950e4b0c4d8eb486f0491bdf99bc1758a297356ec1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 672bffb76d9d6a48e23a3cde3fbead5d8f2b590c099a6df0ea415b89d7d8e4f4
[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" "672bffb76d9d6a48e23a3cde3fbead5d8f2b590c099a6df0ea415b89d7d8e4f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]     Checking reexport-proc-macro v1.0.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling enum-map-derive v0.2.10
[INFO] [stderr]     Checking enum-map v0.2.36
[INFO] [stderr]     Checking solitaire95 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `Command { std: "docker" "inspect" "672bffb76d9d6a48e23a3cde3fbead5d8f2b590c099a6df0ea415b89d7d8e4f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "672bffb76d9d6a48e23a3cde3fbead5d8f2b590c099a6df0ea415b89d7d8e4f4", kill_on_drop: false }`
[INFO] [stdout] 672bffb76d9d6a48e23a3cde3fbead5d8f2b590c099a6df0ea415b89d7d8e4f4