Dec 18 06:20:36.065 INFO checking Munksgaard/base64 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:20:36.065 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Munksgaard/base64:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:20:36.258 INFO [stdout] d3a8ba4355f09fab02c0c414db00d63b76234369f15d775a034f0d160075717e
Dec 18 06:20:36.260 INFO running `"docker" "start" "-a" "d3a8ba4355f09fab02c0c414db00d63b76234369f15d775a034f0d160075717e"`
Dec 18 06:20:36.932 INFO [stderr]     Checking libc v0.2.8
Dec 18 06:20:37.419 INFO [stderr]     Checking rand v0.3.14
Dec 18 06:20:38.435 INFO [stderr]     Checking base64 v0.0.1 (/opt/crater/workdir)
Dec 18 06:20:38.952 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:20:38.952 INFO [stderr]   --> src/main.rs:46:9
Dec 18 06:20:38.952 INFO [stderr]    |
Dec 18 06:20:38.952 INFO [stderr] 46 |         std::io::stdout().write(&result);
Dec 18 06:20:38.952 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:20:38.952 INFO [stderr]    |
Dec 18 06:20:38.952 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:20:38.952 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:20:38.952 INFO [stderr] 
Dec 18 06:20:38.961 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 06:20:38.961 INFO [stderr]   --> src/main.rs:46:9
Dec 18 06:20:38.961 INFO [stderr]    |
Dec 18 06:20:38.961 INFO [stderr] 46 |         std::io::stdout().write(&result);
Dec 18 06:20:38.961 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:20:38.961 INFO [stderr]    |
Dec 18 06:20:38.961 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 06:20:38.962 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 06:20:38.962 INFO [stderr] 
Dec 18 06:20:39.000 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.10s
Dec 18 06:20:39.365 INFO running `"docker" "inspect" "d3a8ba4355f09fab02c0c414db00d63b76234369f15d775a034f0d160075717e"`
Dec 18 06:20:39.646 INFO running `"docker" "rm" "-f" "d3a8ba4355f09fab02c0c414db00d63b76234369f15d775a034f0d160075717e"`
Dec 18 06:20:39.812 INFO [stdout] d3a8ba4355f09fab02c0c414db00d63b76234369f15d775a034f0d160075717e