Nov 30 13:16:48.577 INFO checking vtkio-0.1.6 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 13:16:48.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 30 13:16:49.056 INFO [stdout] 01c395e053f6663ee19df04ee4f5472562bd143fb65110b3e9129bae06cb18f2
Nov 30 13:16:49.058 INFO running `"docker" "start" "-a" "01c395e053f6663ee19df04ee4f5472562bd143fb65110b3e9129bae06cb18f2"`
Nov 30 13:16:50.308 INFO [stderr] usermod: no changes
Nov 30 13:16:50.444 INFO [stderr]     Checking reinterpret v0.1.2
Nov 30 13:16:50.448 INFO [stderr]     Checking memchr v1.0.2
Nov 30 13:16:50.452 INFO [stderr]    Compiling enum-primitive-derive v0.1.2
Nov 30 13:16:51.648 INFO [stderr]     Checking data-buffer v0.4.2
Nov 30 13:16:51.933 INFO [stderr]     Checking nom v3.2.1
Nov 30 13:16:58.522 INFO [stderr]     Checking vtkio v0.1.6 (/source)
Nov 30 13:17:04.176 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:17:04.176 INFO [stderr]   --> src/writer.rs:40:17
Nov 30 13:17:04.176 INFO [stderr]    |
Nov 30 13:17:04.176 INFO [stderr] 40 |                 write!(self, "\n");
Nov 30 13:17:04.176 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^
Nov 30 13:17:04.176 INFO [stderr]    |
Nov 30 13:17:04.176 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 13:17:04.176 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:17:04.176 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)
Nov 30 13:17:04.176 INFO [stderr] 
Nov 30 13:17:04.176 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:17:04.176 INFO [stderr]    --> src/writer.rs:169:21
Nov 30 13:17:04.176 INFO [stderr]     |
Nov 30 13:17:04.176 INFO [stderr] 169 |                     write!(self, "\n");
Nov 30 13:17:04.177 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
Nov 30 13:17:04.177 INFO [stderr]     |
Nov 30 13:17:04.177 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:17:04.177 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)
Nov 30 13:17:04.177 INFO [stderr] 
Nov 30 13:17:04.177 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:17:04.177 INFO [stderr]    --> src/writer.rs:331:13
Nov 30 13:17:04.177 INFO [stderr]     |
Nov 30 13:17:04.177 INFO [stderr] 331 |             write!(self, "\n");
Nov 30 13:17:04.177 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^
Nov 30 13:17:04.177 INFO [stderr]     |
Nov 30 13:17:04.177 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:17:04.177 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)
Nov 30 13:17:04.177 INFO [stderr] 
Nov 30 13:17:05.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:17:05.200 INFO [stderr]   --> src/writer.rs:40:17
Nov 30 13:17:05.200 INFO [stderr]    |
Nov 30 13:17:05.200 INFO [stderr] 40 |                 write!(self, "\n");
Nov 30 13:17:05.200 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^
Nov 30 13:17:05.200 INFO [stderr]    |
Nov 30 13:17:05.200 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 13:17:05.200 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:17:05.200 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)
Nov 30 13:17:05.200 INFO [stderr] 
Nov 30 13:17:05.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:17:05.200 INFO [stderr]    --> src/writer.rs:169:21
Nov 30 13:17:05.200 INFO [stderr]     |
Nov 30 13:17:05.200 INFO [stderr] 169 |                     write!(self, "\n");
Nov 30 13:17:05.200 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^
Nov 30 13:17:05.200 INFO [stderr]     |
Nov 30 13:17:05.200 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:17:05.200 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)
Nov 30 13:17:05.200 INFO [stderr] 
Nov 30 13:17:05.200 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 13:17:05.200 INFO [stderr]    --> src/writer.rs:331:13
Nov 30 13:17:05.200 INFO [stderr]     |
Nov 30 13:17:05.200 INFO [stderr] 331 |             write!(self, "\n");
Nov 30 13:17:05.200 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^
Nov 30 13:17:05.200 INFO [stderr]     |
Nov 30 13:17:05.200 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 13:17:05.200 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)
Nov 30 13:17:05.201 INFO [stderr] 
Nov 30 13:17:06.172 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.83s
Nov 30 13:17:06.176 INFO [stderr] su: No module specific data is present
Nov 30 13:17:06.732 INFO running `"docker" "inspect" "01c395e053f6663ee19df04ee4f5472562bd143fb65110b3e9129bae06cb18f2"`
Nov 30 13:17:07.040 INFO running `"docker" "rm" "-f" "01c395e053f6663ee19df04ee4f5472562bd143fb65110b3e9129bae06cb18f2"`
Nov 30 13:17:07.348 INFO [stdout] 01c395e053f6663ee19df04ee4f5472562bd143fb65110b3e9129bae06cb18f2