[INFO] cloning repository https://github.com/kazerthekeen/Square-of-Squares-Solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kazerthekeen/Square-of-Squares-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazerthekeen%2FSquare-of-Squares-Solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazerthekeen%2FSquare-of-Squares-Solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8149654ea6175792bdb55e7eeec81476511e51f0
[INFO] documenting kazerthekeen/Square-of-Squares-Solver against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkazerthekeen%2FSquare-of-Squares-Solver" "/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/kazerthekeen/Square-of-Squares-Solver on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kazerthekeen/Square-of-Squares-Solver
[INFO] finished tweaking git repo https://github.com/kazerthekeen/Square-of-Squares-Solver
[INFO] tweaked toml for git repo https://github.com/kazerthekeen/Square-of-Squares-Solver written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kazerthekeen/Square-of-Squares-Solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded educe v0.4.2
[INFO] [stderr]   Downloaded slash-formatter v2.2.6
[INFO] [stderr]   Downloaded easy-http-request v0.2.6
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0ff1ca9213058ada59084d7619ce382cbe1c31c5b96a0290e622a0430d21c74
[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" "a0ff1ca9213058ada59084d7619ce382cbe1c31c5b96a0290e622a0430d21c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ff1ca9213058ada59084d7619ce382cbe1c31c5b96a0290e622a0430d21c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ff1ca9213058ada59084d7619ce382cbe1c31c5b96a0290e622a0430d21c74", kill_on_drop: false }`
[INFO] [stdout] a0ff1ca9213058ada59084d7619ce382cbe1c31c5b96a0290e622a0430d21c74
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 2f68faa93a0cf550eb96fd00f7b595d26cba1c9762465e2b8908f5691dc77e63
[INFO] running `Command { std: "docker" "start" "-a" "2f68faa93a0cf550eb96fd00f7b595d26cba1c9762465e2b8908f5691dc77e63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking slash-formatter v2.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]     Checking easy-http-request v0.2.6
[INFO] [stderr]  Documenting sqrprob v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.60s
[INFO] running `Command { std: "docker" "inspect" "2f68faa93a0cf550eb96fd00f7b595d26cba1c9762465e2b8908f5691dc77e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f68faa93a0cf550eb96fd00f7b595d26cba1c9762465e2b8908f5691dc77e63", kill_on_drop: false }`
[INFO] [stdout] 2f68faa93a0cf550eb96fd00f7b595d26cba1c9762465e2b8908f5691dc77e63