Nov 30 07:16:59.194 INFO checking alexcrichton/l4c against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 07:16:59.194 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 07:16:59.880 INFO [stdout] 389d18b1ff591bc3c7e481f9d3c4129112270e2b326f41c12426e7b8aa0ae97a
Nov 30 07:16:59.882 INFO running `"docker" "start" "-a" "389d18b1ff591bc3c7e481f9d3c4129112270e2b326f41c12426e7b8aa0ae97a"`
Nov 30 07:17:01.248 INFO [stderr] usermod: no changes
Nov 30 07:17:01.380 INFO [stderr]     Checking log v0.4.5
Nov 30 07:17:01.380 INFO [stderr]     Checking driver v0.1.0 (/source/driver)
Nov 30 07:17:03.020 INFO [stderr]     Checking env_logger v0.5.13
Nov 30 07:17:03.038 INFO [stderr] warning: field is never used: `retry`
Nov 30 07:17:03.038 INFO [stderr]   --> driver/src/main.rs:33:5
Nov 30 07:17:03.040 INFO [stderr]    |
Nov 30 07:17:03.040 INFO [stderr] 33 |     retry: bool,
Nov 30 07:17:03.040 INFO [stderr]    |     ^^^^^^^^^^^
Nov 30 07:17:03.040 INFO [stderr]    |
Nov 30 07:17:03.040 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 07:17:03.040 INFO [stderr] 
Nov 30 07:17:03.376 INFO [stderr] warning: field is never used: `retry`
Nov 30 07:17:03.376 INFO [stderr]   --> driver/src/main.rs:33:5
Nov 30 07:17:03.376 INFO [stderr]    |
Nov 30 07:17:03.376 INFO [stderr] 33 |     retry: bool,
Nov 30 07:17:03.376 INFO [stderr]    |     ^^^^^^^^^^^
Nov 30 07:17:03.376 INFO [stderr]    |
Nov 30 07:17:03.376 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 07:17:03.376 INFO [stderr] 
Nov 30 07:17:04.240 INFO [stderr]     Checking l4c v0.0.0 (/source)
Nov 30 07:17:07.764 INFO [stderr] warning: unused import: `Display`
Nov 30 07:17:07.764 INFO [stderr]  --> src/front/pp.rs:1:16
Nov 30 07:17:07.764 INFO [stderr]   |
Nov 30 07:17:07.764 INFO [stderr] 1 | use std::fmt::{Display, Write};
Nov 30 07:17:07.764 INFO [stderr]   |                ^^^^^^^
Nov 30 07:17:07.772 INFO [stderr]   |
Nov 30 07:17:07.772 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:17:07.772 INFO [stderr] 
Nov 30 07:17:09.684 INFO [stderr] warning: unused import: `Display`
Nov 30 07:17:09.684 INFO [stderr]  --> src/front/pp.rs:1:16
Nov 30 07:17:09.684 INFO [stderr]   |
Nov 30 07:17:09.684 INFO [stderr] 1 | use std::fmt::{Display, Write};
Nov 30 07:17:09.684 INFO [stderr]   |                ^^^^^^^
Nov 30 07:17:09.684 INFO [stderr]   |
Nov 30 07:17:09.684 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:17:09.684 INFO [stderr] 
Nov 30 07:17:11.107 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.82s
Nov 30 07:17:11.111 INFO [stderr] su: No module specific data is present
Nov 30 07:17:12.332 INFO running `"docker" "inspect" "389d18b1ff591bc3c7e481f9d3c4129112270e2b326f41c12426e7b8aa0ae97a"`
Nov 30 07:17:12.612 INFO running `"docker" "rm" "-f" "389d18b1ff591bc3c7e481f9d3c4129112270e2b326f41c12426e7b8aa0ae97a"`
Nov 30 07:17:12.924 INFO [stdout] 389d18b1ff591bc3c7e481f9d3c4129112270e2b326f41c12426e7b8aa0ae97a