Dec 19 07:21:28.120 INFO checking testingcan/xlsx-csv against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:21:28.120 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/testingcan/xlsx-csv:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:21:28.648 INFO [stdout] 4e9794153a3f0992eef5eedd83204877f540a4286cb22e63e42f3ff5ef27551d
Dec 19 07:21:28.651 INFO running `"docker" "start" "-a" "4e9794153a3f0992eef5eedd83204877f540a4286cb22e63e42f3ff5ef27551d"`
Dec 19 07:21:31.347 INFO [stderr]     Checking podio v0.1.6
Dec 19 07:21:31.348 INFO [stderr]    Compiling miniz_oxide_c_api v0.1.3
Dec 19 07:21:31.349 INFO [stderr]     Checking memchr v0.1.11
Dec 19 07:21:31.349 INFO [stderr]     Checking atty v0.2.11
Dec 19 07:21:31.349 INFO [stderr]     Checking miniz_oxide v0.1.3
Dec 19 07:21:31.349 INFO [stderr]     Checking encoding_rs v0.7.2
Dec 19 07:21:31.349 INFO [stderr]     Checking encoding_rs v0.8.6
Dec 19 07:21:31.349 INFO [stderr]    Compiling quote v0.6.4
Dec 19 07:21:32.458 INFO [stderr]     Checking msdos_time v0.1.6
Dec 19 07:21:32.957 INFO [stderr]     Checking nom v4.0.0
Dec 19 07:21:33.866 INFO [stderr]     Checking csv-core v0.1.4
Dec 19 07:21:33.897 INFO [stderr]     Checking clap v2.32.0
Dec 19 07:21:33.900 INFO [stderr]     Checking aho-corasick v0.5.3
Dec 19 07:21:34.046 INFO [stderr]     Checking thread-id v2.0.0
Dec 19 07:21:35.201 INFO [stderr]    Compiling syn v0.14.5
Dec 19 07:21:37.405 INFO [stderr]     Checking thread_local v0.2.7
Dec 19 07:21:37.680 INFO [stderr]     Checking csv v1.0.0
Dec 19 07:21:38.666 INFO [stderr]     Checking regex v0.1.80
Dec 19 07:21:42.253 INFO [stderr]     Checking flate2 v1.0.1
Dec 19 07:21:48.534 INFO [stderr]     Checking zip v0.4.2
Dec 19 07:21:51.662 INFO [stderr]     Checking serde-hjson v0.8.1
Dec 19 07:21:54.376 INFO [stderr]     Checking config v0.9.0
Dec 19 07:22:03.560 INFO [stderr]    Compiling synstructure v0.9.0
Dec 19 07:22:03.563 INFO [stderr]    Compiling serde_derive v1.0.70
Dec 19 07:22:07.644 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 19 07:22:10.985 INFO [stderr]     Checking failure v0.1.2
Dec 19 07:22:11.681 INFO [stderr]     Checking quick-xml v0.12.1
Dec 19 07:22:12.936 INFO [stderr]     Checking calamine v0.14.3
Dec 19 07:22:23.356 INFO [stderr]     Checking xlsx-csv v0.2.2 (/opt/crater/workdir)
Dec 19 07:22:24.448 INFO [stderr] warning: unused variable: `f`
Dec 19 07:22:24.448 INFO [stderr]   --> src/file.rs:90:17
Dec 19 07:22:24.448 INFO [stderr]    |
Dec 19 07:22:24.448 INFO [stderr] 90 |         let mut f = File::create("foo.xlsx");
Dec 19 07:22:24.448 INFO [stderr]    |                 ^ help: consider using `_f` instead
Dec 19 07:22:24.448 INFO [stderr]    |
Dec 19 07:22:24.448 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 07:22:24.448 INFO [stderr] 
Dec 19 07:22:24.548 INFO [stderr] warning: variable does not need to be mutable
Dec 19 07:22:24.548 INFO [stderr]   --> src/file.rs:90:13
Dec 19 07:22:24.548 INFO [stderr]    |
Dec 19 07:22:24.548 INFO [stderr] 90 |         let mut f = File::create("foo.xlsx");
Dec 19 07:22:24.548 INFO [stderr]    |             ----^
Dec 19 07:22:24.548 INFO [stderr]    |             |
Dec 19 07:22:24.548 INFO [stderr]    |             help: remove this `mut`
Dec 19 07:22:24.580 INFO [stderr]    |
Dec 19 07:22:24.580 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 07:22:24.580 INFO [stderr] 
Dec 19 07:22:24.794 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:22:24.794 INFO [stderr]   --> src/file.rs:93:9
Dec 19 07:22:24.794 INFO [stderr]    |
Dec 19 07:22:24.794 INFO [stderr] 93 |         remove_file("foo.xlsx");
Dec 19 07:22:24.794 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:22:24.794 INFO [stderr]    |
Dec 19 07:22:24.794 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 07:22:24.794 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:22:24.794 INFO [stderr] 
Dec 19 07:22:25.729 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.57s
Dec 19 07:22:27.065 INFO running `"docker" "inspect" "4e9794153a3f0992eef5eedd83204877f540a4286cb22e63e42f3ff5ef27551d"`
Dec 19 07:22:27.440 INFO running `"docker" "rm" "-f" "4e9794153a3f0992eef5eedd83204877f540a4286cb22e63e42f3ff5ef27551d"`
Dec 19 07:22:27.780 INFO [stdout] 4e9794153a3f0992eef5eedd83204877f540a4286cb22e63e42f3ff5ef27551d