Dec 17 10:56:50.888 INFO checking zhaihj/rust-play-ground against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 10:56:50.889 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 10:56:51.438 INFO [stdout] 0f5a63853c83ff8ad33c9fff9db8db824199dedcab28e88b74341f7679fd0718
Dec 17 10:56:51.441 INFO running `"docker" "start" "-a" "0f5a63853c83ff8ad33c9fff9db8db824199dedcab28e88b74341f7679fd0718"`
Dec 17 10:56:54.552 INFO [stderr]     Checking libc v0.2.19
Dec 17 10:56:54.564 INFO [stderr]     Checking rustc-serialize v0.3.22
Dec 17 10:56:54.564 INFO [stderr]     Checking byteorder v1.0.0
Dec 17 10:56:56.228 INFO [stderr]     Checking memchr v1.0.1
Dec 17 10:57:00.162 INFO [stderr]     Checking csv v0.15.0
Dec 17 10:57:00.902 INFO [stderr]     Checking csv-read-test v0.1.0 (/opt/crater/workdir)
Dec 17 10:57:01.147 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 10:57:01.147 INFO [stderr]  --> src/bin/read-csv-matrix.rs:8:5
Dec 17 10:57:01.147 INFO [stderr]   |
Dec 17 10:57:01.147 INFO [stderr] 8 |     f.read_to_string(&mut s);
Dec 17 10:57:01.148 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:57:01.148 INFO [stderr]   |
Dec 17 10:57:01.148 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 17 10:57:01.148 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 10:57:01.149 INFO [stderr] 
Dec 17 10:57:01.262 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 10:57:01.262 INFO [stderr]  --> src/bin/read-csv-matrix.rs:8:5
Dec 17 10:57:01.262 INFO [stderr]   |
Dec 17 10:57:01.262 INFO [stderr] 8 |     f.read_to_string(&mut s);
Dec 17 10:57:01.262 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 10:57:01.262 INFO [stderr]   |
Dec 17 10:57:01.262 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 17 10:57:01.262 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 10:57:01.262 INFO [stderr] 
Dec 17 10:57:01.316 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.81s
Dec 17 10:57:02.573 INFO running `"docker" "inspect" "0f5a63853c83ff8ad33c9fff9db8db824199dedcab28e88b74341f7679fd0718"`
Dec 17 10:57:02.912 INFO running `"docker" "rm" "-f" "0f5a63853c83ff8ad33c9fff9db8db824199dedcab28e88b74341f7679fd0718"`
Dec 17 10:57:03.188 INFO [stdout] 0f5a63853c83ff8ad33c9fff9db8db824199dedcab28e88b74341f7679fd0718