Dec 05 04:35:10.880 INFO checking vtkio-0.1.6 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 04:35:10.881 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 04:35:11.400 INFO [stdout] ec04a851bbfda0b9736487852d5550669870ef95be853a9484a0ba9fc2cd3713
Dec 05 04:35:11.413 INFO running `"docker" "start" "-a" "ec04a851bbfda0b9736487852d5550669870ef95be853a9484a0ba9fc2cd3713"`
Dec 05 04:35:12.754 INFO [stderr] usermod: no changes
Dec 05 04:35:12.867 INFO [stderr]     Checking reinterpret v0.1.2
Dec 05 04:35:12.871 INFO [stderr]     Checking memchr v1.0.2
Dec 05 04:35:12.871 INFO [stderr]    Compiling enum-primitive-derive v0.1.2
Dec 05 04:35:13.771 INFO [stderr]     Checking nom v3.2.1
Dec 05 04:35:14.201 INFO [stderr]     Checking data-buffer v0.4.2
Dec 05 04:35:18.219 INFO [stderr]     Checking vtkio v0.1.6 (/source)
Dec 05 04:35:23.252 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:35:23.252 INFO [stderr]   --> src/writer.rs:40:17
Dec 05 04:35:23.252 INFO [stderr]    |
Dec 05 04:35:23.252 INFO [stderr] 40 |                 write!(self, "\n");
Dec 05 04:35:23.252 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^
Dec 05 04:35:23.252 INFO [stderr]    |
Dec 05 04:35:23.252 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 04:35:23.252 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:35:23.252 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 04:35:23.252 INFO [stderr] 
Dec 05 04:35:23.252 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:35:23.252 INFO [stderr]    --> src/writer.rs:169:21
Dec 05 04:35:23.252 INFO [stderr]     |
Dec 05 04:35:23.252 INFO [stderr] 169 |                     write!(self, "\n");
Dec 05 04:35:23.252 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
Dec 05 04:35:23.252 INFO [stderr]     |
Dec 05 04:35:23.252 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:35:23.252 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 04:35:23.252 INFO [stderr] 
Dec 05 04:35:23.252 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:35:23.252 INFO [stderr]    --> src/writer.rs:331:13
Dec 05 04:35:23.252 INFO [stderr]     |
Dec 05 04:35:23.252 INFO [stderr] 331 |             write!(self, "\n");
Dec 05 04:35:23.253 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^
Dec 05 04:35:23.253 INFO [stderr]     |
Dec 05 04:35:23.253 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:35:23.253 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 04:35:23.253 INFO [stderr] 
Dec 05 04:35:23.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:35:23.863 INFO [stderr]   --> src/writer.rs:40:17
Dec 05 04:35:23.863 INFO [stderr]    |
Dec 05 04:35:23.863 INFO [stderr] 40 |                 write!(self, "\n");
Dec 05 04:35:23.863 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^
Dec 05 04:35:23.863 INFO [stderr]    |
Dec 05 04:35:23.863 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 04:35:23.863 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:35:23.863 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 04:35:23.863 INFO [stderr] 
Dec 05 04:35:23.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:35:23.863 INFO [stderr]    --> src/writer.rs:169:21
Dec 05 04:35:23.863 INFO [stderr]     |
Dec 05 04:35:23.863 INFO [stderr] 169 |                     write!(self, "\n");
Dec 05 04:35:23.863 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
Dec 05 04:35:23.863 INFO [stderr]     |
Dec 05 04:35:23.863 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:35:23.863 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 04:35:23.863 INFO [stderr] 
Dec 05 04:35:23.863 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 04:35:23.863 INFO [stderr]    --> src/writer.rs:331:13
Dec 05 04:35:23.863 INFO [stderr]     |
Dec 05 04:35:23.863 INFO [stderr] 331 |             write!(self, "\n");
Dec 05 04:35:23.863 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^
Dec 05 04:35:23.863 INFO [stderr]     |
Dec 05 04:35:23.863 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 04:35:23.863 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 05 04:35:23.863 INFO [stderr] 
Dec 05 04:35:25.651 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.86s
Dec 05 04:35:25.652 INFO [stderr] su: No module specific data is present
Dec 05 04:35:26.376 INFO running `"docker" "inspect" "ec04a851bbfda0b9736487852d5550669870ef95be853a9484a0ba9fc2cd3713"`
Dec 05 04:35:26.721 INFO running `"docker" "rm" "-f" "ec04a851bbfda0b9736487852d5550669870ef95be853a9484a0ba9fc2cd3713"`
Dec 05 04:35:26.972 INFO [stdout] ec04a851bbfda0b9736487852d5550669870ef95be853a9484a0ba9fc2cd3713