Nov 29 13:59:39.835 INFO checking zhaihj/rust-play-ground against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 29 13:59:39.835 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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"`
Nov 29 13:59:40.382 INFO [stdout] 634ba8174d92bfd71d921b28a0f14a2b71389b66e23fddc475f4e38fb66cd771
Nov 29 13:59:40.384 INFO running `"docker" "start" "-a" "634ba8174d92bfd71d921b28a0f14a2b71389b66e23fddc475f4e38fb66cd771"`
Nov 29 13:59:41.881 INFO [stderr] usermod: no changes
Nov 29 13:59:41.988 INFO [stderr]     Checking libc v0.2.19
Nov 29 13:59:41.988 INFO [stderr]     Checking rustc-serialize v0.3.22
Nov 29 13:59:43.356 INFO [stderr]     Checking memchr v1.0.1
Nov 29 13:59:46.985 INFO [stderr]     Checking csv v0.15.0
Nov 29 13:59:47.577 INFO [stderr]     Checking csv-read-test v0.1.0 (/source)
Nov 29 13:59:47.896 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 13:59:47.896 INFO [stderr]  --> src/bin/read-csv-matrix.rs:8:5
Nov 29 13:59:47.897 INFO [stderr]   |
Nov 29 13:59:47.897 INFO [stderr] 8 |     f.read_to_string(&mut s);
Nov 29 13:59:47.897 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 13:59:47.897 INFO [stderr]   |
Nov 29 13:59:47.897 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 29 13:59:47.898 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 13:59:47.898 INFO [stderr] 
Nov 29 13:59:47.939 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 29 13:59:47.939 INFO [stderr]  --> src/bin/read-csv-matrix.rs:8:5
Nov 29 13:59:47.940 INFO [stderr]   |
Nov 29 13:59:47.940 INFO [stderr] 8 |     f.read_to_string(&mut s);
Nov 29 13:59:47.940 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 13:59:47.940 INFO [stderr]   |
Nov 29 13:59:47.941 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Nov 29 13:59:47.941 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Nov 29 13:59:47.941 INFO [stderr] 
Nov 29 13:59:47.975 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.08s
Nov 29 13:59:47.978 INFO [stderr] su: No module specific data is present
Nov 29 13:59:49.449 INFO running `"docker" "inspect" "634ba8174d92bfd71d921b28a0f14a2b71389b66e23fddc475f4e38fb66cd771"`
Nov 29 13:59:49.862 INFO running `"docker" "rm" "-f" "634ba8174d92bfd71d921b28a0f14a2b71389b66e23fddc475f4e38fb66cd771"`
Nov 29 13:59:50.236 INFO [stdout] 634ba8174d92bfd71d921b28a0f14a2b71389b66e23fddc475f4e38fb66cd771