Nov 29 13:59:41.296 INFO checking zhaihj/rust-play-ground against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 29 13:59:41.296 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 13:59:41.838 INFO [stdout] a9bcb0005ba8f860ace3ba5a2da9390c25eefccddb09c02c65bf878faaa1c22e Nov 29 13:59:41.840 INFO running `"docker" "start" "-a" "a9bcb0005ba8f860ace3ba5a2da9390c25eefccddb09c02c65bf878faaa1c22e"` Nov 29 13:59:44.255 INFO [stderr] usermod: no changes Nov 29 13:59:44.300 INFO [stderr] Checking libc v0.2.19 Nov 29 13:59:44.300 INFO [stderr] Checking rustc-serialize v0.3.22 Nov 29 13:59:45.662 INFO [stderr] Checking memchr v1.0.1 Nov 29 13:59:49.483 INFO [stderr] Checking csv v0.15.0 Nov 29 13:59:50.215 INFO [stderr] Checking csv-read-test v0.1.0 (/source) Nov 29 13:59:50.392 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 13:59:50.393 INFO [stderr] --> src/bin/read-csv-matrix.rs:8:5 Nov 29 13:59:50.393 INFO [stderr] | Nov 29 13:59:50.393 INFO [stderr] 8 | f.read_to_string(&mut s); Nov 29 13:59:50.393 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 13:59:50.393 INFO [stderr] | Nov 29 13:59:50.393 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 29 13:59:50.394 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 13:59:50.394 INFO [stderr] Nov 29 13:59:50.490 INFO [stderr] warning: unused `std::result::Result` that must be used Nov 29 13:59:50.490 INFO [stderr] --> src/bin/read-csv-matrix.rs:8:5 Nov 29 13:59:50.490 INFO [stderr] | Nov 29 13:59:50.491 INFO [stderr] 8 | f.read_to_string(&mut s); Nov 29 13:59:50.491 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 29 13:59:50.491 INFO [stderr] | Nov 29 13:59:50.491 INFO [stderr] = note: #[warn(unused_must_use)] on by default Nov 29 13:59:50.492 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Nov 29 13:59:50.492 INFO [stderr] Nov 29 13:59:50.515 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.23s Nov 29 13:59:50.517 INFO [stderr] su: No module specific data is present Nov 29 13:59:51.654 INFO running `"docker" "inspect" "a9bcb0005ba8f860ace3ba5a2da9390c25eefccddb09c02c65bf878faaa1c22e"` Nov 29 13:59:51.926 INFO running `"docker" "rm" "-f" "a9bcb0005ba8f860ace3ba5a2da9390c25eefccddb09c02c65bf878faaa1c22e"` Nov 29 13:59:52.192 INFO [stdout] a9bcb0005ba8f860ace3ba5a2da9390c25eefccddb09c02c65bf878faaa1c22e