Dec 01 23:41:56.463 INFO documenting DelusionalLogic/tcp-drive against master#147e60c5f89cfa2d3ffc247413956a37582c98e7 for pr-55318-1
Dec 01 23:41:56.463 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55318-1/worker-4/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55318-1/master#147e60c5f89cfa2d3ffc247413956a37582c98e7:/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 +147e60c5f89cfa2d3ffc247413956a37582c98e7-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 01 23:41:56.631 INFO [stdout] 9de681102f9096fe4f807c4818cf8df9ba97df887e1b058c4e5d8292dd4fac49
Dec 01 23:41:56.634 INFO running `"docker" "start" "-a" "9de681102f9096fe4f807c4818cf8df9ba97df887e1b058c4e5d8292dd4fac49"`
Dec 01 23:41:57.100 INFO [stderr] usermod: no changes
Dec 01 23:41:57.228 INFO [stderr]    Compiling byteorder v1.0.0
Dec 01 23:41:57.229 INFO [stderr]     Checking backtrace-sys v0.1.11
Dec 01 23:41:57.229 INFO [stderr]     Checking pbr v1.0.0
Dec 01 23:41:58.078 INFO [stderr]    Compiling send v0.1.0 (/source)
Dec 01 23:41:58.231 INFO [stderr]     Checking backtrace v0.3.2
Dec 01 23:41:58.556 INFO [stderr] warning: unused imports: `BigEndian`, `ReadBytesExt`, `WriteBytesExt`
Dec 01 23:41:58.556 INFO [stderr]  --> build.rs:2:17
Dec 01 23:41:58.556 INFO [stderr]   |
Dec 01 23:41:58.556 INFO [stderr] 2 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
Dec 01 23:41:58.556 INFO [stderr]   |                 ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Dec 01 23:41:58.556 INFO [stderr]   |
Dec 01 23:41:58.556 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 01 23:41:58.556 INFO [stderr] 
Dec 01 23:41:58.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 23:41:58.636 INFO [stderr]   --> build.rs:31:5
Dec 01 23:41:58.636 INFO [stderr]    |
Dec 01 23:41:58.636 INFO [stderr] 31 | /     f.write_all(b"
Dec 01 23:41:58.636 INFO [stderr] 32 | |     fn make_list() -> (Box<[&'static str]>, u32) {
Dec 01 23:41:58.636 INFO [stderr] 33 | |         return (Box::new([");
Dec 01 23:41:58.636 INFO [stderr]    | |_____________________________^
Dec 01 23:41:58.636 INFO [stderr]    |
Dec 01 23:41:58.636 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 01 23:41:58.636 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 23:41:58.636 INFO [stderr] 
Dec 01 23:41:58.636 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 01 23:41:58.636 INFO [stderr]   --> build.rs:37:5
Dec 01 23:41:58.636 INFO [stderr]    |
Dec 01 23:41:58.637 INFO [stderr] 37 |     write!(f, "]), {});}}", words.len());
Dec 01 23:41:58.637 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 01 23:41:58.637 INFO [stderr]    |
Dec 01 23:41:58.637 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 01 23:41:58.637 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 01 23:41:58.637 INFO [stderr] 
Dec 01 23:41:59.108 INFO [stderr]     Checking error-chain v0.10.0
Dec 01 23:42:00.277 INFO [stderr]  Documenting send v0.1.0 (/source)
Dec 01 23:42:02.989 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.88s
Dec 01 23:42:03.001 INFO [stderr] su: No module specific data is present
Dec 01 23:42:03.844 INFO running `"docker" "inspect" "9de681102f9096fe4f807c4818cf8df9ba97df887e1b058c4e5d8292dd4fac49"`
Dec 01 23:42:04.188 INFO running `"docker" "rm" "-f" "9de681102f9096fe4f807c4818cf8df9ba97df887e1b058c4e5d8292dd4fac49"`
Dec 01 23:42:04.513 INFO [stdout] 9de681102f9096fe4f807c4818cf8df9ba97df887e1b058c4e5d8292dd4fac49