Dec 17 10:56:45.491 INFO checking zhaihj/rust-play-ground against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 10:56:45.491 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/zhaihj/rust-play-ground:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 10:56:45.888 INFO [stdout] 1a29a4b7f0b8ec1d8bead2569abaf387bd7a6fd3a0c3a1dadd1edb333b110c88
Dec 17 10:56:45.896 INFO running `"docker" "start" "-a" "1a29a4b7f0b8ec1d8bead2569abaf387bd7a6fd3a0c3a1dadd1edb333b110c88"`
Dec 17 10:56:48.493 INFO [stderr]     Checking libc v0.2.19
Dec 17 10:56:48.493 INFO [stderr]     Checking rustc-serialize v0.3.22
Dec 17 10:56:49.962 INFO [stderr]     Checking memchr v1.0.1
Dec 17 10:56:53.887 INFO [stderr]     Checking csv v0.15.0
Dec 17 10:56:54.571 INFO [stderr]     Checking csv-read-test v0.1.0 (/opt/crater/workdir)
Dec 17 10:56:54.872 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 10:56:54.873 INFO [stderr]  --> src/bin/read-csv-matrix.rs:8:5
Dec 17 10:56:54.873 INFO [stderr]   |
Dec 17 10:56:54.873 INFO [stderr] 8 |     f.read_to_string(&mut s);
Dec 17 10:56:54.873 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:56:54.874 INFO [stderr]   |
Dec 17 10:56:54.874 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 17 10:56:54.875 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 10:56:54.875 INFO [stderr] 
Dec 17 10:56:54.928 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 10:56:54.929 INFO [stderr]  --> src/bin/read-csv-matrix.rs:8:5
Dec 17 10:56:54.929 INFO [stderr]   |
Dec 17 10:56:54.929 INFO [stderr] 8 |     f.read_to_string(&mut s);
Dec 17 10:56:54.930 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:56:54.930 INFO [stderr]   |
Dec 17 10:56:54.930 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 17 10:56:54.930 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 10:56:54.930 INFO [stderr] 
Dec 17 10:56:54.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.50s
Dec 17 10:56:56.481 INFO running `"docker" "inspect" "1a29a4b7f0b8ec1d8bead2569abaf387bd7a6fd3a0c3a1dadd1edb333b110c88"`
Dec 17 10:56:56.866 INFO running `"docker" "rm" "-f" "1a29a4b7f0b8ec1d8bead2569abaf387bd7a6fd3a0c3a1dadd1edb333b110c88"`
Dec 17 10:56:57.200 INFO [stdout] 1a29a4b7f0b8ec1d8bead2569abaf387bd7a6fd3a0c3a1dadd1edb333b110c88