Dec 02 07:09:27.201 INFO documenting grad-0.1.0 against try#f86f76f89ea2b1ccbfb3741962ec2029d878a389 for pr-55318-1
Dec 02 07:09:27.201 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55318-1/try#f86f76f89ea2b1ccbfb3741962ec2029d878a389:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +f86f76f89ea2b1ccbfb3741962ec2029d878a389-alt doc --frozen --no-deps --document-private-items" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 07:09:27.607 INFO [stdout] 04fbacd11a2700376bc743a177d51158df565a3844b9ccdb10dd323719229ec8
Dec 02 07:09:27.616 INFO running `"docker" "start" "-a" "04fbacd11a2700376bc743a177d51158df565a3844b9ccdb10dd323719229ec8"`
Dec 02 07:09:29.080 INFO [stderr] usermod: no changes
Dec 02 07:09:29.640 INFO [stderr]     Checking input_buffer v0.2.0
Dec 02 07:09:29.640 INFO [stderr]    Compiling headers-derive v0.0.1
Dec 02 07:09:30.408 INFO [stderr]     Checking tungstenite v0.6.1
Dec 02 07:09:35.144 INFO [stderr]     Checking headers-ext v0.0.3
Dec 02 07:09:37.549 INFO [stderr]     Checking warp v0.1.9
Dec 02 07:09:43.652 INFO [stderr]  Documenting grad v0.1.0 (/source)
Dec 02 07:09:48.901 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 07:09:48.901 INFO [stderr]   --> src/main.rs:54:3
Dec 02 07:09:48.901 INFO [stderr]    |
Dec 02 07:09:48.902 INFO [stderr] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Dec 02 07:09:48.902 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:09:48.902 INFO [stderr]    |
Dec 02 07:09:48.902 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 07:09:48.902 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 07:09:48.902 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 02 07:09:48.902 INFO [stderr] 
Dec 02 07:09:48.902 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 07:09:48.902 INFO [stderr]   --> src/main.rs:57:7
Dec 02 07:09:48.902 INFO [stderr]    |
Dec 02 07:09:48.902 INFO [stderr] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Dec 02 07:09:48.902 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:09:48.902 INFO [stderr]    |
Dec 02 07:09:48.902 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 07:09:48.902 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 02 07:09:48.902 INFO [stderr] 
Dec 02 07:09:48.902 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 07:09:48.902 INFO [stderr]   --> src/main.rs:59:9
Dec 02 07:09:48.902 INFO [stderr]    |
Dec 02 07:09:48.902 INFO [stderr] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Dec 02 07:09:48.902 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 07:09:48.902 INFO [stderr]    |
Dec 02 07:09:48.902 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 07:09:48.902 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 02 07:09:48.902 INFO [stderr] 
Dec 02 07:09:51.966 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.85s
Dec 02 07:09:51.983 INFO [stderr] su: No module specific data is present
Dec 02 07:09:52.324 INFO running `"docker" "inspect" "04fbacd11a2700376bc743a177d51158df565a3844b9ccdb10dd323719229ec8"`
Dec 02 07:09:52.460 INFO running `"docker" "rm" "-f" "04fbacd11a2700376bc743a177d51158df565a3844b9ccdb10dd323719229ec8"`
Dec 02 07:09:52.614 INFO [stdout] 04fbacd11a2700376bc743a177d51158df565a3844b9ccdb10dd323719229ec8