[INFO] cloning repository https://github.com/cympfh/mao-brute-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cympfh/mao-brute-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcympfh%2Fmao-brute-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcympfh%2Fmao-brute-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2743c1b1f6a984b1ddf333230f67c68a567cf6e3
[INFO] checking cympfh/mao-brute-solver against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcympfh%2Fmao-brute-solver" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cympfh/mao-brute-solver on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cympfh/mao-brute-solver
[INFO] finished tweaking git repo https://github.com/cympfh/mao-brute-solver
[INFO] tweaked toml for git repo https://github.com/cympfh/mao-brute-solver written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cympfh/mao-brute-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] 4c5dd851b0f0710e9f09995e37e165cf7e2b64ea094a65de5d2e3d9fc83c512c
[INFO] running `Command { std: "docker" "start" "-a" "4c5dd851b0f0710e9f09995e37e165cf7e2b64ea094a65de5d2e3d9fc83c512c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c5dd851b0f0710e9f09995e37e165cf7e2b64ea094a65de5d2e3d9fc83c512c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5dd851b0f0710e9f09995e37e165cf7e2b64ea094a65de5d2e3d9fc83c512c", kill_on_drop: false }`
[INFO] [stdout] 4c5dd851b0f0710e9f09995e37e165cf7e2b64ea094a65de5d2e3d9fc83c512c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbb689a8fb95ff3352cf0cb2816943d9a78cb81480aec7ecddc6197c9f6d83e9
[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" "bbb689a8fb95ff3352cf0cb2816943d9a78cb81480aec7ecddc6197c9f6d83e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling memoise v0.3.2
[INFO] [stderr]     Checking mao-brute-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.84s
[INFO] running `Command { std: "docker" "inspect" "bbb689a8fb95ff3352cf0cb2816943d9a78cb81480aec7ecddc6197c9f6d83e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb689a8fb95ff3352cf0cb2816943d9a78cb81480aec7ecddc6197c9f6d83e9", kill_on_drop: false }`
[INFO] [stdout] bbb689a8fb95ff3352cf0cb2816943d9a78cb81480aec7ecddc6197c9f6d83e9