Nov 28 13:33:37.875 INFO documenting grad-0.1.0 against master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb for pr-55318
Nov 28 13:33:37.877 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318/worker-6/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55318/master#6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb:/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 +6bfb46e4ac9a2704f06de1a2ff7a4612cd70c8cb-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"`
Nov 28 13:33:38.325 INFO [stdout] ce68c0d49877d6dfb1c3ecce715badb8e5913142c350d184f3e7ac4a29f545f8
Nov 28 13:33:38.331 INFO running `"docker" "start" "-a" "ce68c0d49877d6dfb1c3ecce715badb8e5913142c350d184f3e7ac4a29f545f8"`
Nov 28 13:33:39.571 INFO [stderr] usermod: no changes
Nov 28 13:33:40.067 INFO [stderr]    Compiling headers-derive v0.0.1
Nov 28 13:33:40.067 INFO [stderr]     Checking tungstenite v0.6.1
Nov 28 13:33:45.363 INFO [stderr]     Checking headers-ext v0.0.3
Nov 28 13:33:47.972 INFO [stderr]     Checking warp v0.1.9
Nov 28 13:33:55.044 INFO [stderr]  Documenting grad v0.1.0 (/source)
Nov 28 13:34:00.217 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 13:34:00.217 INFO [stderr]   --> src/main.rs:54:3
Nov 28 13:34:00.217 INFO [stderr]    |
Nov 28 13:34:00.217 INFO [stderr] 54 |   write!(&mut s, "{} series, {} values\n", state.series.keys().count(), state.counter);
Nov 28 13:34:00.217 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:34:00.217 INFO [stderr]    |
Nov 28 13:34:00.217 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 28 13:34:00.217 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 13:34:00.217 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)
Nov 28 13:34:00.217 INFO [stderr] 
Nov 28 13:34:00.217 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 13:34:00.217 INFO [stderr]   --> src/main.rs:57:7
Nov 28 13:34:00.217 INFO [stderr]    |
Nov 28 13:34:00.217 INFO [stderr] 57 |       write!(&mut s, "\n{}[{}]: {:?}", key, count, metric_type);
Nov 28 13:34:00.217 INFO [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:34:00.220 INFO [stderr]    |
Nov 28 13:34:00.220 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 13:34:00.220 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)
Nov 28 13:34:00.220 INFO [stderr] 
Nov 28 13:34:00.220 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 13:34:00.220 INFO [stderr]   --> src/main.rs:59:9
Nov 28 13:34:00.220 INFO [stderr]    |
Nov 28 13:34:00.220 INFO [stderr] 59 |         write!(&mut s, ", {}={}", tag.key, tag.value);
Nov 28 13:34:00.220 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 13:34:00.220 INFO [stderr]    |
Nov 28 13:34:00.220 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 13:34:00.220 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)
Nov 28 13:34:00.220 INFO [stderr] 
Nov 28 13:34:03.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.57s
Nov 28 13:34:03.203 INFO [stderr] su: No module specific data is present
Nov 28 13:34:03.508 INFO running `"docker" "inspect" "ce68c0d49877d6dfb1c3ecce715badb8e5913142c350d184f3e7ac4a29f545f8"`
Nov 28 13:34:03.588 INFO running `"docker" "rm" "-f" "ce68c0d49877d6dfb1c3ecce715badb8e5913142c350d184f3e7ac4a29f545f8"`
Nov 28 13:34:03.693 INFO [stdout] ce68c0d49877d6dfb1c3ecce715badb8e5913142c350d184f3e7ac4a29f545f8