[INFO] fetching crate louis 0.6.2...
[INFO] extracting crate louis 0.6.2 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/louis/0.6.2
[INFO] extracting crate louis 0.6.2 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/louis/0.6.2
[INFO] validating manifest of louis-0.6.2 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of louis-0.6.2 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing louis-0.6.2
[INFO] finished frobbing louis-0.6.2
[INFO] frobbed toml for louis-0.6.2 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/louis/0.6.2/Cargo.toml
[INFO] started frobbing louis-0.6.2
[INFO] finished frobbing louis-0.6.2
[INFO] frobbed toml for louis-0.6.2 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/louis/0.6.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded louis-sys v0.6.1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking louis-0.6.2 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-0/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/louis/0.6.2:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f2b5e98c120291a4d8694d16e3c1d556af8d8949d7a90a5d1b297100b5a17c72
[INFO] running `"docker" "start" "-a" "f2b5e98c120291a4d8694d16e3c1d556af8d8949d7a90a5d1b297100b5a17c72"`
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking widestring v0.4.0
[INFO] [stderr]    Compiling autotools v0.1.4
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling louis-sys v0.6.1
[INFO] [stderr]     Checking louis v0.6.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/lou_translate.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 | /         writeln!(olock, "{}", louis.translate_simple(
[INFO] [stderr] 49 | |             &table, 
[INFO] [stderr] 50 | |             &line.unwrap(), 
[INFO] [stderr] 51 | |             matches.is_present("backward"), 
[INFO] [stderr] 52 | |             0)
[INFO] [stderr] 53 | |         );
[INFO] [stderr]    | |__________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[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)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `"docker" "inspect" "f2b5e98c120291a4d8694d16e3c1d556af8d8949d7a90a5d1b297100b5a17c72"`
[INFO] running `"docker" "rm" "-f" "f2b5e98c120291a4d8694d16e3c1d556af8d8949d7a90a5d1b297100b5a17c72"`
[INFO] [stdout] f2b5e98c120291a4d8694d16e3c1d556af8d8949d7a90a5d1b297100b5a17c72