[INFO] cloning repository https://github.com/dotjpg3141/simple_lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dotjpg3141/simple_lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfae46d61aaab41cf530750af2c332cf297a86fb
[INFO] documenting dotjpg3141/simple_lang against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotjpg3141%2Fsimple_lang" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dotjpg3141/simple_lang on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dotjpg3141/simple_lang
[INFO] finished tweaking git repo https://github.com/dotjpg3141/simple_lang
[INFO] tweaked toml for git repo https://github.com/dotjpg3141/simple_lang written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/dotjpg3141/simple_lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de18e86a4fc1be503689c601f85c9255d6f8397ee063396198b6b5c002a8af16
[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" "de18e86a4fc1be503689c601f85c9255d6f8397ee063396198b6b5c002a8af16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de18e86a4fc1be503689c601f85c9255d6f8397ee063396198b6b5c002a8af16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de18e86a4fc1be503689c601f85c9255d6f8397ee063396198b6b5c002a8af16", kill_on_drop: false }`
[INFO] [stdout] de18e86a4fc1be503689c601f85c9255d6f8397ee063396198b6b5c002a8af16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d0f1cd161c1188245cd8ed5c7587f3aa27cad846cd5fe6db53f402fc5e460d3
[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" "1d0f1cd161c1188245cd8ed5c7587f3aa27cad846cd5fe6db53f402fc5e460d3", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]  Documenting simple_lang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/simplelang/lexer.rs:184:5
[INFO] [stdout]     |
[INFO] [stdout] 184 |     ('0' <= c && c <= '9')
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "1d0f1cd161c1188245cd8ed5c7587f3aa27cad846cd5fe6db53f402fc5e460d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d0f1cd161c1188245cd8ed5c7587f3aa27cad846cd5fe6db53f402fc5e460d3", kill_on_drop: false }`
[INFO] [stdout] 1d0f1cd161c1188245cd8ed5c7587f3aa27cad846cd5fe6db53f402fc5e460d3