Dec 12 11:38:57.827 INFO checking mastodon-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 11:38:57.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 12 11:38:58.006 INFO [stdout] 6c1eb30728bc6896cee7a861c64544bfb21d92a0ded7d1049d169501550d9f45
Dec 12 11:38:58.008 INFO running `"docker" "start" "-a" "6c1eb30728bc6896cee7a861c64544bfb21d92a0ded7d1049d169501550d9f45"`
Dec 12 11:38:58.487 INFO [stderr] usermod: no changes
Dec 12 11:38:58.644 INFO [stderr]     Checking mastodon v0.1.0 (/source)
Dec 12 11:39:01.712 INFO [stderr] warning: unused imports: `Read`, `self`
Dec 12 11:39:01.712 INFO [stderr]   --> src/lib.rs:25:19
Dec 12 11:39:01.712 INFO [stderr]    |
Dec 12 11:39:01.712 INFO [stderr] 25 |     use std::io::{self, Read};
Dec 12 11:39:01.712 INFO [stderr]    |                   ^^^^  ^^^^
Dec 12 11:39:01.712 INFO [stderr]    |
Dec 12 11:39:01.712 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 11:39:01.712 INFO [stderr] 
Dec 12 11:39:01.924 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 12 11:39:01.924 INFO [stderr]  --> src/lib.rs:1:12
Dec 12 11:39:01.924 INFO [stderr]   |
Dec 12 11:39:01.924 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 12 11:39:01.925 INFO [stderr]   |            ^^^^^^^^^^
Dec 12 11:39:01.925 INFO [stderr]   |
Dec 12 11:39:01.925 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 11:39:01.925 INFO [stderr] 
Dec 12 11:39:02.135 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 12 11:39:02.135 INFO [stderr]  --> src/lib.rs:1:12
Dec 12 11:39:02.135 INFO [stderr]   |
Dec 12 11:39:02.135 INFO [stderr] 1 | #![feature(proc_macro)]
Dec 12 11:39:02.135 INFO [stderr]   |            ^^^^^^^^^^
Dec 12 11:39:02.135 INFO [stderr]   |
Dec 12 11:39:02.135 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 12 11:39:02.135 INFO [stderr] 
Dec 12 11:39:02.158 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
Dec 12 11:39:02.167 INFO [stderr] su: No module specific data is present
Dec 12 11:39:02.447 INFO running `"docker" "inspect" "6c1eb30728bc6896cee7a861c64544bfb21d92a0ded7d1049d169501550d9f45"`
Dec 12 11:39:02.592 INFO running `"docker" "rm" "-f" "6c1eb30728bc6896cee7a861c64544bfb21d92a0ded7d1049d169501550d9f45"`
Dec 12 11:39:02.776 INFO [stdout] 6c1eb30728bc6896cee7a861c64544bfb21d92a0ded7d1049d169501550d9f45