Dec 12 12:02:07.135 INFO checking libmultilog-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 12:02:07.135 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 12:02:07.476 INFO [stdout] cad0a73ea5019a1ef2069557f924cd5eaf6d8540ebf0b9d1e734d224e4a3bce8
Dec 12 12:02:07.484 INFO running `"docker" "start" "-a" "cad0a73ea5019a1ef2069557f924cd5eaf6d8540ebf0b9d1e734d224e4a3bce8"`
Dec 12 12:02:08.729 INFO [stderr] usermod: no changes
Dec 12 12:02:08.988 INFO [stderr]     Checking blastfig v0.3.3
Dec 12 12:02:08.989 INFO [stderr]    Compiling libmultilog v0.1.0 (/source)
Dec 12 12:02:12.080 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 12:02:12.080 INFO [stderr]  --> src/lib.rs:8:1
Dec 12 12:02:12.080 INFO [stderr]   |
Dec 12 12:02:12.080 INFO [stderr] 8 | #[macro_use]
Dec 12 12:02:12.080 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 12:02:12.080 INFO [stderr]   |
Dec 12 12:02:12.080 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 12:02:12.080 INFO [stderr] 
Dec 12 12:02:12.220 INFO [stderr] warning: unused import: `Log`
Dec 12 12:02:12.220 INFO [stderr]  --> src/multi.rs:3:17
Dec 12 12:02:12.220 INFO [stderr]   |
Dec 12 12:02:12.220 INFO [stderr] 3 | use log::{self, Log, LogLevel, LogLevelFilter, LogMetadata, LogRecord, SetLoggerError};
Dec 12 12:02:12.220 INFO [stderr]   |                 ^^^
Dec 12 12:02:12.220 INFO [stderr] 
Dec 12 12:02:12.220 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 12 12:02:12.220 INFO [stderr]  --> src/file.rs:5:5
Dec 12 12:02:12.220 INFO [stderr]   |
Dec 12 12:02:12.220 INFO [stderr] 5 | use std::io::prelude::*;
Dec 12 12:02:12.220 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 12:02:12.220 INFO [stderr] 
Dec 12 12:02:12.220 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 12:02:12.220 INFO [stderr]  --> src/lib.rs:8:1
Dec 12 12:02:12.220 INFO [stderr]   |
Dec 12 12:02:12.220 INFO [stderr] 8 | #[macro_use]
Dec 12 12:02:12.220 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 12:02:12.220 INFO [stderr]   |
Dec 12 12:02:12.220 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 12:02:12.220 INFO [stderr] 
Dec 12 12:02:12.381 INFO [stderr] warning: unused import: `Log`
Dec 12 12:02:12.381 INFO [stderr]  --> src/multi.rs:3:17
Dec 12 12:02:12.381 INFO [stderr]   |
Dec 12 12:02:12.381 INFO [stderr] 3 | use log::{self, Log, LogLevel, LogLevelFilter, LogMetadata, LogRecord, SetLoggerError};
Dec 12 12:02:12.381 INFO [stderr]   |                 ^^^
Dec 12 12:02:12.388 INFO [stderr] 
Dec 12 12:02:12.388 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 12 12:02:12.388 INFO [stderr]  --> src/file.rs:5:5
Dec 12 12:02:12.388 INFO [stderr]   |
Dec 12 12:02:12.388 INFO [stderr] 5 | use std::io::prelude::*;
Dec 12 12:02:12.388 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 12 12:02:12.388 INFO [stderr] 
Dec 12 12:02:13.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.23s
Dec 12 12:02:14.001 INFO [stderr] su: No module specific data is present
Dec 12 12:02:15.068 INFO running `"docker" "inspect" "cad0a73ea5019a1ef2069557f924cd5eaf6d8540ebf0b9d1e734d224e4a3bce8"`
Dec 12 12:02:15.450 INFO running `"docker" "rm" "-f" "cad0a73ea5019a1ef2069557f924cd5eaf6d8540ebf0b9d1e734d224e4a3bce8"`
Dec 12 12:02:15.697 INFO [stdout] cad0a73ea5019a1ef2069557f924cd5eaf6d8540ebf0b9d1e734d224e4a3bce8