[INFO] cloning repository https://github.com/jonlamb-gh/rust-test-webapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonlamb-gh/rust-test-webapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frust-test-webapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonlamb-gh%2Frust-test-webapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 971d0d2034578658417000a75c60190dfc885290
[INFO] documenting jonlamb-gh/rust-test-webapp 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%2Fjonlamb-gh%2Frust-test-webapp" "/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/jonlamb-gh/rust-test-webapp 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/jonlamb-gh/rust-test-webapp
[INFO] finished tweaking git repo https://github.com/jonlamb-gh/rust-test-webapp
[INFO] tweaked toml for git repo https://github.com/jonlamb-gh/rust-test-webapp written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jonlamb-gh/rust-test-webapp 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 yew v0.4.0
[INFO] [stderr]   Downloaded http v0.1.11
[INFO] [stderr]   Downloaded dimensioned v0.7.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.18
[INFO] [stderr]   Downloaded cc v1.0.23
[INFO] [stderr]   Downloaded steel-cent v0.2.2
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c46658adcba8de879d15f653728636d05519f0d1f54da426507944c55d920d0
[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" "6c46658adcba8de879d15f653728636d05519f0d1f54da426507944c55d920d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c46658adcba8de879d15f653728636d05519f0d1f54da426507944c55d920d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c46658adcba8de879d15f653728636d05519f0d1f54da426507944c55d920d0", kill_on_drop: false }`
[INFO] [stdout] 6c46658adcba8de879d15f653728636d05519f0d1f54da426507944c55d920d0
[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" "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] [stdout] 41551b471d16f69e960366b2a7b1f837ffa8aa91275de2dc7e81b23180dc598c
[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" "41551b471d16f69e960366b2a7b1f837ffa8aa91275de2dc7e81b23180dc598c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.18
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling dimensioned v0.7.0
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking ryu v0.2.6
[INFO] [stderr]    Compiling csv v0.15.0
[INFO] [stderr]     Checking http v0.1.11
[INFO] [stderr]    Compiling steel-cent v0.2.2
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.27
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]    Compiling stdweb-derive v0.5.0
[INFO] [stderr]     Checking stdweb v0.4.9
[INFO] [stderr]     Checking yew v0.4.0
[INFO] [stderr]  Documenting rust-test-webapp v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/data/board_dimensions.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         (self.length * self.width * self.thickness)
[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 1m 29s
[INFO] running `Command { std: "docker" "inspect" "41551b471d16f69e960366b2a7b1f837ffa8aa91275de2dc7e81b23180dc598c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41551b471d16f69e960366b2a7b1f837ffa8aa91275de2dc7e81b23180dc598c", kill_on_drop: false }`
[INFO] [stdout] 41551b471d16f69e960366b2a7b1f837ffa8aa91275de2dc7e81b23180dc598c