Nov 28 07:07:58.281 INFO checking dalance/flexlint against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 07:07:58.283 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 07:07:58.735 INFO [stdout] e8518f9debe84e2fda3072d1eb5c69d4da9d43e066285c5b2e53c93c0b01d102
Nov 28 07:07:58.738 INFO running `"docker" "start" "-a" "e8518f9debe84e2fda3072d1eb5c69d4da9d43e066285c5b2e53c93c0b01d102"`
Nov 28 07:08:00.701 INFO [stderr] usermod: no changes
Nov 28 07:08:00.929 INFO [stderr]     Checking colored v1.6.1
Nov 28 07:08:00.948 INFO [stderr]    Compiling quote v0.6.3
Nov 28 07:08:00.949 INFO [stderr]     Checking regex v1.0.0
Nov 28 07:08:06.188 INFO [stderr]    Compiling syn v0.14.9
Nov 28 07:08:20.788 INFO [stderr]    Compiling synstructure v0.9.0
Nov 28 07:08:20.788 INFO [stderr]    Compiling structopt-derive v0.2.10
Nov 28 07:08:20.788 INFO [stderr]    Compiling serde_derive v1.0.66
Nov 28 07:08:30.920 INFO [stderr]    Compiling failure_derive v0.1.2
Nov 28 07:08:33.444 INFO [stderr]     Checking structopt v0.2.10
Nov 28 07:08:38.298 INFO [stderr]     Checking failure v0.1.2
Nov 28 07:08:49.050 INFO [stderr]     Checking flexlint v0.2.5-pre (/source)
Nov 28 07:08:52.944 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:08:52.944 INFO [stderr]    --> src/printer.rs:127:13
Nov 28 07:08:52.944 INFO [stderr]     |
Nov 28 07:08:52.944 INFO [stderr] 127 |             write!(term, "{}", dat);
Nov 28 07:08:52.944 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:08:52.944 INFO [stderr]     |
Nov 28 07:08:52.944 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 07:08:52.944 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:08:52.944 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 28 07:08:52.944 INFO [stderr] 
Nov 28 07:08:53.145 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 07:08:53.145 INFO [stderr]    --> src/printer.rs:127:13
Nov 28 07:08:53.145 INFO [stderr]     |
Nov 28 07:08:53.145 INFO [stderr] 127 |             write!(term, "{}", dat);
Nov 28 07:08:53.145 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 07:08:53.145 INFO [stderr]     |
Nov 28 07:08:53.145 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 07:08:53.145 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 07:08:53.145 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 28 07:08:53.145 INFO [stderr] 
Nov 28 07:08:53.201 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.47s
Nov 28 07:08:53.209 INFO [stderr] su: No module specific data is present
Nov 28 07:08:54.518 INFO running `"docker" "inspect" "e8518f9debe84e2fda3072d1eb5c69d4da9d43e066285c5b2e53c93c0b01d102"`
Nov 28 07:08:54.774 INFO running `"docker" "rm" "-f" "e8518f9debe84e2fda3072d1eb5c69d4da9d43e066285c5b2e53c93c0b01d102"`
Nov 28 07:08:55.128 INFO [stdout] e8518f9debe84e2fda3072d1eb5c69d4da9d43e066285c5b2e53c93c0b01d102