Nov 30 07:17:00.013 INFO checking alexcrichton/l4c against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 07:17:00.013 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 07:17:00.632 INFO [stdout] ff7e5db5342dd8fe10d488844975bd49aa1dbaac970950e610838dc90c8b3d49
Nov 30 07:17:00.634 INFO running `"docker" "start" "-a" "ff7e5db5342dd8fe10d488844975bd49aa1dbaac970950e610838dc90c8b3d49"`
Nov 30 07:17:02.228 INFO [stderr] usermod: no changes
Nov 30 07:17:02.316 INFO [stderr]     Checking wait-timeout v0.1.5
Nov 30 07:17:02.316 INFO [stderr]     Checking log v0.4.5
Nov 30 07:17:02.992 INFO [stderr]     Checking driver v0.1.0 (/source/driver)
Nov 30 07:17:03.804 INFO [stderr]     Checking env_logger v0.5.13
Nov 30 07:17:04.902 INFO [stderr] warning: field is never used: `retry`
Nov 30 07:17:04.902 INFO [stderr]   --> driver/src/main.rs:33:5
Nov 30 07:17:04.902 INFO [stderr]    |
Nov 30 07:17:04.902 INFO [stderr] 33 |     retry: bool,
Nov 30 07:17:04.902 INFO [stderr]    |     ^^^^^^^^^^^
Nov 30 07:17:04.902 INFO [stderr]    |
Nov 30 07:17:04.902 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 07:17:04.902 INFO [stderr] 
Nov 30 07:17:05.152 INFO [stderr] warning: field is never used: `retry`
Nov 30 07:17:05.152 INFO [stderr]   --> driver/src/main.rs:33:5
Nov 30 07:17:05.152 INFO [stderr]    |
Nov 30 07:17:05.152 INFO [stderr] 33 |     retry: bool,
Nov 30 07:17:05.152 INFO [stderr]    |     ^^^^^^^^^^^
Nov 30 07:17:05.152 INFO [stderr]    |
Nov 30 07:17:05.152 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 07:17:05.152 INFO [stderr] 
Nov 30 07:17:05.567 INFO [stderr]     Checking l4c v0.0.0 (/source)
Nov 30 07:17:09.252 INFO [stderr] warning: unused import: `Display`
Nov 30 07:17:09.252 INFO [stderr]  --> src/front/pp.rs:1:16
Nov 30 07:17:09.252 INFO [stderr]   |
Nov 30 07:17:09.252 INFO [stderr] 1 | use std::fmt::{Display, Write};
Nov 30 07:17:09.252 INFO [stderr]   |                ^^^^^^^
Nov 30 07:17:09.252 INFO [stderr]   |
Nov 30 07:17:09.252 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:17:09.252 INFO [stderr] 
Nov 30 07:17:09.888 INFO [stderr] warning: unused import: `Display`
Nov 30 07:17:09.888 INFO [stderr]  --> src/front/pp.rs:1:16
Nov 30 07:17:09.888 INFO [stderr]   |
Nov 30 07:17:09.888 INFO [stderr] 1 | use std::fmt::{Display, Write};
Nov 30 07:17:09.888 INFO [stderr]   |                ^^^^^^^
Nov 30 07:17:09.888 INFO [stderr]   |
Nov 30 07:17:09.888 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:17:09.888 INFO [stderr] 
Nov 30 07:17:11.956 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.70s
Nov 30 07:17:11.956 INFO [stderr] su: No module specific data is present
Nov 30 07:17:12.638 INFO running `"docker" "inspect" "ff7e5db5342dd8fe10d488844975bd49aa1dbaac970950e610838dc90c8b3d49"`
Nov 30 07:17:13.000 INFO running `"docker" "rm" "-f" "ff7e5db5342dd8fe10d488844975bd49aa1dbaac970950e610838dc90c8b3d49"`
Nov 30 07:17:13.384 INFO [stdout] ff7e5db5342dd8fe10d488844975bd49aa1dbaac970950e610838dc90c8b3d49