Dec 12 05:09:29.856 INFO checking vtkio-0.1.6 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 05:09:29.856 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 05:09:30.278 INFO [stdout] 4490e6b64c20027454501e8a6e5b7cde547301c58c73f7da1703385f303df65c
Dec 12 05:09:30.280 INFO running `"docker" "start" "-a" "4490e6b64c20027454501e8a6e5b7cde547301c58c73f7da1703385f303df65c"`
Dec 12 05:09:31.956 INFO [stderr] usermod: no changes
Dec 12 05:09:32.132 INFO [stderr]     Checking reinterpret v0.1.2
Dec 12 05:09:32.136 INFO [stderr]     Checking memchr v1.0.2
Dec 12 05:09:32.136 INFO [stderr]    Compiling enum-primitive-derive v0.1.2
Dec 12 05:09:33.016 INFO [stderr]     Checking nom v3.2.1
Dec 12 05:09:33.048 INFO [stderr]     Checking data-buffer v0.4.3
Dec 12 05:09:37.348 INFO [stderr]     Checking vtkio v0.1.6 (/source)
Dec 12 05:09:43.651 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 05:09:43.651 INFO [stderr]   --> src/writer.rs:40:17
Dec 12 05:09:43.651 INFO [stderr]    |
Dec 12 05:09:43.651 INFO [stderr] 40 |                 write!(self, "\n");
Dec 12 05:09:43.652 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^
Dec 12 05:09:43.652 INFO [stderr]    |
Dec 12 05:09:43.652 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 05:09:43.652 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 05:09:43.652 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 12 05:09:43.653 INFO [stderr] 
Dec 12 05:09:43.653 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 05:09:43.653 INFO [stderr]    --> src/writer.rs:169:21
Dec 12 05:09:43.653 INFO [stderr]     |
Dec 12 05:09:43.653 INFO [stderr] 169 |                     write!(self, "\n");
Dec 12 05:09:43.653 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
Dec 12 05:09:43.653 INFO [stderr]     |
Dec 12 05:09:43.653 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 05:09:43.654 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 12 05:09:43.654 INFO [stderr] 
Dec 12 05:09:43.660 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 05:09:43.660 INFO [stderr]    --> src/writer.rs:331:13
Dec 12 05:09:43.661 INFO [stderr]     |
Dec 12 05:09:43.661 INFO [stderr] 331 |             write!(self, "\n");
Dec 12 05:09:43.661 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^
Dec 12 05:09:43.661 INFO [stderr]     |
Dec 12 05:09:43.661 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 05:09:43.662 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 12 05:09:43.662 INFO [stderr] 
Dec 12 05:09:44.568 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 05:09:44.572 INFO [stderr]   --> src/writer.rs:40:17
Dec 12 05:09:44.572 INFO [stderr]    |
Dec 12 05:09:44.572 INFO [stderr] 40 |                 write!(self, "\n");
Dec 12 05:09:44.572 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^
Dec 12 05:09:44.572 INFO [stderr]    |
Dec 12 05:09:44.572 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 05:09:44.572 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 05:09:44.572 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 12 05:09:44.572 INFO [stderr] 
Dec 12 05:09:44.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 05:09:44.572 INFO [stderr]    --> src/writer.rs:169:21
Dec 12 05:09:44.572 INFO [stderr]     |
Dec 12 05:09:44.572 INFO [stderr] 169 |                     write!(self, "\n");
Dec 12 05:09:44.572 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
Dec 12 05:09:44.572 INFO [stderr]     |
Dec 12 05:09:44.572 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 05:09:44.572 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 12 05:09:44.572 INFO [stderr] 
Dec 12 05:09:44.572 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 05:09:44.572 INFO [stderr]    --> src/writer.rs:331:13
Dec 12 05:09:44.572 INFO [stderr]     |
Dec 12 05:09:44.572 INFO [stderr] 331 |             write!(self, "\n");
Dec 12 05:09:44.572 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^
Dec 12 05:09:44.572 INFO [stderr]     |
Dec 12 05:09:44.572 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 05:09:44.572 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 12 05:09:44.572 INFO [stderr] 
Dec 12 05:09:46.206 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.21s
Dec 12 05:09:46.211 INFO [stderr] su: No module specific data is present
Dec 12 05:09:46.890 INFO running `"docker" "inspect" "4490e6b64c20027454501e8a6e5b7cde547301c58c73f7da1703385f303df65c"`
Dec 12 05:09:47.180 INFO running `"docker" "rm" "-f" "4490e6b64c20027454501e8a6e5b7cde547301c58c73f7da1703385f303df65c"`
Dec 12 05:09:47.450 INFO [stdout] 4490e6b64c20027454501e8a6e5b7cde547301c58c73f7da1703385f303df65c