Dec 11 22:51:42.081 INFO checking alexcrichton/l4c against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 22:51:42.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 22:51:42.466 INFO [stdout] ffc9263e106df946e122b08f4253bf625a106fe551817beeeed83a343dc9ab96
Dec 11 22:51:42.471 INFO running `"docker" "start" "-a" "ffc9263e106df946e122b08f4253bf625a106fe551817beeeed83a343dc9ab96"`
Dec 11 22:51:44.116 INFO [stderr] usermod: no changes
Dec 11 22:51:44.248 INFO [stderr]     Checking log v0.4.5
Dec 11 22:51:44.248 INFO [stderr]     Checking wait-timeout v0.1.5
Dec 11 22:51:45.422 INFO [stderr]     Checking env_logger v0.5.13
Dec 11 22:51:45.436 INFO [stderr]     Checking driver v0.1.0 (/source/driver)
Dec 11 22:51:47.236 INFO [stderr] warning: field is never used: `retry`
Dec 11 22:51:47.237 INFO [stderr]   --> driver/src/main.rs:33:5
Dec 11 22:51:47.237 INFO [stderr]    |
Dec 11 22:51:47.237 INFO [stderr] 33 |     retry: bool,
Dec 11 22:51:47.238 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 22:51:47.238 INFO [stderr]    |
Dec 11 22:51:47.238 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 22:51:47.239 INFO [stderr] 
Dec 11 22:51:47.440 INFO [stderr] warning: field is never used: `retry`
Dec 11 22:51:47.441 INFO [stderr]   --> driver/src/main.rs:33:5
Dec 11 22:51:47.441 INFO [stderr]    |
Dec 11 22:51:47.441 INFO [stderr] 33 |     retry: bool,
Dec 11 22:51:47.441 INFO [stderr]    |     ^^^^^^^^^^^
Dec 11 22:51:47.442 INFO [stderr]    |
Dec 11 22:51:47.442 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 22:51:47.442 INFO [stderr] 
Dec 11 22:51:47.507 INFO [stderr]     Checking l4c v0.0.0 (/source)
Dec 11 22:51:51.956 INFO [stderr] warning: unused import: `Display`
Dec 11 22:51:51.957 INFO [stderr]  --> src/front/pp.rs:1:16
Dec 11 22:51:51.957 INFO [stderr]   |
Dec 11 22:51:51.957 INFO [stderr] 1 | use std::fmt::{Display, Write};
Dec 11 22:51:51.958 INFO [stderr]   |                ^^^^^^^
Dec 11 22:51:51.958 INFO [stderr]   |
Dec 11 22:51:51.958 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 22:51:51.959 INFO [stderr] 
Dec 11 22:51:52.352 INFO [stderr] warning: unused import: `Display`
Dec 11 22:51:52.353 INFO [stderr]  --> src/front/pp.rs:1:16
Dec 11 22:51:52.353 INFO [stderr]   |
Dec 11 22:51:52.353 INFO [stderr] 1 | use std::fmt::{Display, Write};
Dec 11 22:51:52.354 INFO [stderr]   |                ^^^^^^^
Dec 11 22:51:52.354 INFO [stderr]   |
Dec 11 22:51:52.354 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 22:51:52.354 INFO [stderr] 
Dec 11 22:51:54.683 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.55s
Dec 11 22:51:54.687 INFO [stderr] su: No module specific data is present
Dec 11 22:51:56.031 INFO running `"docker" "inspect" "ffc9263e106df946e122b08f4253bf625a106fe551817beeeed83a343dc9ab96"`
Dec 11 22:51:56.408 INFO running `"docker" "rm" "-f" "ffc9263e106df946e122b08f4253bf625a106fe551817beeeed83a343dc9ab96"`
Dec 11 22:51:56.768 INFO [stdout] ffc9263e106df946e122b08f4253bf625a106fe551817beeeed83a343dc9ab96