Dec 12 19:33:41.385 INFO testing zhaihj/rust-play-ground against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 19:33:41.385 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 19:33:41.962 INFO [stdout] cc23bc878ac1516617e9d8938908865c2d26bb2021e47f0ab2cf12e7d0aa1767
Dec 12 19:33:41.964 INFO running `"docker" "start" "-a" "cc23bc878ac1516617e9d8938908865c2d26bb2021e47f0ab2cf12e7d0aa1767"`
Dec 12 19:33:43.899 INFO [stderr] usermod: no changes
Dec 12 19:33:43.951 INFO [stderr]    Compiling libc v0.2.19
Dec 12 19:33:43.951 INFO [stderr]    Compiling byteorder v1.0.0
Dec 12 19:33:43.951 INFO [stderr]    Compiling rustc-serialize v0.3.22
Dec 12 19:33:45.275 INFO [stderr]    Compiling memchr v1.0.1
Dec 12 19:33:50.303 INFO [stderr]    Compiling csv v0.15.0
Dec 12 19:33:51.492 INFO [stderr]    Compiling csv-read-test v0.1.0 (/source)
Dec 12 19:33:51.663 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:33:51.663 INFO [stderr]  --> src/bin/read-csv-matrix.rs:8:5
Dec 12 19:33:51.663 INFO [stderr]   |
Dec 12 19:33:51.663 INFO [stderr] 8 |     f.read_to_string(&mut s);
Dec 12 19:33:51.663 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:33:51.663 INFO [stderr]   |
Dec 12 19:33:51.663 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 12 19:33:51.663 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:33:51.663 INFO [stderr] 
Dec 12 19:33:52.221 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
Dec 12 19:33:52.224 INFO [stderr] su: No module specific data is present
Dec 12 19:33:52.468 INFO running `"docker" "inspect" "cc23bc878ac1516617e9d8938908865c2d26bb2021e47f0ab2cf12e7d0aa1767"`
Dec 12 19:33:52.532 INFO running `"docker" "rm" "-f" "cc23bc878ac1516617e9d8938908865c2d26bb2021e47f0ab2cf12e7d0aa1767"`
Dec 12 19:33:52.629 INFO [stdout] cc23bc878ac1516617e9d8938908865c2d26bb2021e47f0ab2cf12e7d0aa1767
Dec 12 19:33:52.631 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 19:33:52.800 INFO [stdout] be0c60e216a27503636add69b60c0c3a953bc0c6a4217e396964693d773d9c64
Dec 12 19:33:52.803 INFO running `"docker" "start" "-a" "be0c60e216a27503636add69b60c0c3a953bc0c6a4217e396964693d773d9c64"`
Dec 12 19:33:53.176 INFO [stderr] usermod: no changes
Dec 12 19:33:53.211 INFO [stderr]    Compiling csv-read-test v0.1.0 (/source)
Dec 12 19:33:53.361 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 19:33:53.361 INFO [stderr]  --> src/bin/read-csv-matrix.rs:8:5
Dec 12 19:33:53.361 INFO [stderr]   |
Dec 12 19:33:53.361 INFO [stderr] 8 |     f.read_to_string(&mut s);
Dec 12 19:33:53.361 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 19:33:53.361 INFO [stderr]   |
Dec 12 19:33:53.361 INFO [stderr]   = note: #[warn(unused_must_use)] on by default
Dec 12 19:33:53.361 INFO [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 19:33:53.361 INFO [stderr] 
Dec 12 19:33:53.566 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
Dec 12 19:33:53.568 INFO [stderr] su: No module specific data is present
Dec 12 19:33:53.784 INFO running `"docker" "inspect" "be0c60e216a27503636add69b60c0c3a953bc0c6a4217e396964693d773d9c64"`
Dec 12 19:33:53.957 INFO running `"docker" "rm" "-f" "be0c60e216a27503636add69b60c0c3a953bc0c6a4217e396964693d773d9c64"`
Dec 12 19:33:54.121 INFO [stdout] be0c60e216a27503636add69b60c0c3a953bc0c6a4217e396964693d773d9c64
Dec 12 19:33:54.123 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 19:33:54.271 INFO [stdout] 47864c0357de5a83420d52216bb659596f7ca2be303e0c26449a95e8229be8f5
Dec 12 19:33:54.276 INFO running `"docker" "start" "-a" "47864c0357de5a83420d52216bb659596f7ca2be303e0c26449a95e8229be8f5"`
Dec 12 19:33:54.625 INFO [stderr] usermod: no changes
Dec 12 19:33:54.663 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 12 19:33:54.665 INFO [stderr]      Running /target/debug/deps/read_csv_matrix-a92bd928bdf63d84
Dec 12 19:33:54.665 INFO [stdout] 
Dec 12 19:33:54.665 INFO [stdout] running 0 tests
Dec 12 19:33:54.666 INFO [stdout] 
Dec 12 19:33:54.666 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 12 19:33:54.666 INFO [stdout] 
Dec 12 19:33:54.668 INFO [stderr] su: No module specific data is present
Dec 12 19:33:54.925 INFO running `"docker" "inspect" "47864c0357de5a83420d52216bb659596f7ca2be303e0c26449a95e8229be8f5"`
Dec 12 19:33:55.008 INFO running `"docker" "rm" "-f" "47864c0357de5a83420d52216bb659596f7ca2be303e0c26449a95e8229be8f5"`
Dec 12 19:33:55.087 INFO [stdout] 47864c0357de5a83420d52216bb659596f7ca2be303e0c26449a95e8229be8f5