Nov 28 09:44:16.440 INFO checking alexcrichton/l4c against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 09:44:16.440 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-6/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 28 09:44:17.062 INFO [stdout] 10407c829b932aac45473ef2176808707bcbc56444f3665042bbe32a78b6b6bd
Nov 28 09:44:17.070 INFO running `"docker" "start" "-a" "10407c829b932aac45473ef2176808707bcbc56444f3665042bbe32a78b6b6bd"`
Nov 28 09:44:18.608 INFO [stderr] usermod: no changes
Nov 28 09:44:18.720 INFO [stderr]     Checking wait-timeout v0.1.5
Nov 28 09:44:18.720 INFO [stderr]     Checking log v0.4.5
Nov 28 09:44:19.522 INFO [stderr]     Checking driver v0.1.0 (/source/driver)
Nov 28 09:44:20.132 INFO [stderr]     Checking env_logger v0.5.13
Nov 28 09:44:21.373 INFO [stderr] warning: field is never used: `retry`
Nov 28 09:44:21.376 INFO [stderr]   --> driver/src/main.rs:33:5
Nov 28 09:44:21.376 INFO [stderr]    |
Nov 28 09:44:21.376 INFO [stderr] 33 |     retry: bool,
Nov 28 09:44:21.376 INFO [stderr]    |     ^^^^^^^^^^^
Nov 28 09:44:21.376 INFO [stderr]    |
Nov 28 09:44:21.376 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 09:44:21.376 INFO [stderr] 
Nov 28 09:44:21.532 INFO [stderr] warning: field is never used: `retry`
Nov 28 09:44:21.554 INFO [stderr]   --> driver/src/main.rs:33:5
Nov 28 09:44:21.554 INFO [stderr]    |
Nov 28 09:44:21.554 INFO [stderr] 33 |     retry: bool,
Nov 28 09:44:21.554 INFO [stderr]    |     ^^^^^^^^^^^
Nov 28 09:44:21.554 INFO [stderr]    |
Nov 28 09:44:21.554 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 09:44:21.555 INFO [stderr] 
Nov 28 09:44:21.741 INFO [stderr]     Checking l4c v0.0.0 (/source)
Nov 28 09:44:25.964 INFO [stderr] warning: unused import: `Display`
Nov 28 09:44:25.964 INFO [stderr]  --> src/front/pp.rs:1:16
Nov 28 09:44:25.964 INFO [stderr]   |
Nov 28 09:44:25.964 INFO [stderr] 1 | use std::fmt::{Display, Write};
Nov 28 09:44:25.964 INFO [stderr]   |                ^^^^^^^
Nov 28 09:44:25.964 INFO [stderr]   |
Nov 28 09:44:25.964 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 09:44:25.964 INFO [stderr] 
Nov 28 09:44:26.056 INFO [stderr] warning: unused import: `Display`
Nov 28 09:44:26.056 INFO [stderr]  --> src/front/pp.rs:1:16
Nov 28 09:44:26.056 INFO [stderr]   |
Nov 28 09:44:26.056 INFO [stderr] 1 | use std::fmt::{Display, Write};
Nov 28 09:44:26.056 INFO [stderr]   |                ^^^^^^^
Nov 28 09:44:26.056 INFO [stderr]   |
Nov 28 09:44:26.056 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 09:44:26.056 INFO [stderr] 
Nov 28 09:44:28.180 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.54s
Nov 28 09:44:28.180 INFO [stderr] su: No module specific data is present
Nov 28 09:44:29.038 INFO running `"docker" "inspect" "10407c829b932aac45473ef2176808707bcbc56444f3665042bbe32a78b6b6bd"`
Nov 28 09:44:29.433 INFO running `"docker" "rm" "-f" "10407c829b932aac45473ef2176808707bcbc56444f3665042bbe32a78b6b6bd"`
Nov 28 09:44:29.684 INFO [stdout] 10407c829b932aac45473ef2176808707bcbc56444f3665042bbe32a78b6b6bd