[INFO] crate redshift 1.0.3 is already in cache
[INFO] extracting crate redshift 1.0.3 into work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/redshift/1.0.3
[INFO] extracting crate redshift 1.0.3 into work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/redshift/1.0.3
[INFO] validating manifest of redshift-1.0.3 on toolchain master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of redshift-1.0.3 on toolchain try#29640c57b5f92febba0e40c50cb863c9a7ede51d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing redshift-1.0.3
[INFO] finished frobbing redshift-1.0.3
[INFO] frobbed toml for redshift-1.0.3 written to work/ex/pr-57745/sources/master#f613dc138b4012cf3d2eb40718fbcc7cf0a34039/reg/redshift/1.0.3/Cargo.toml
[INFO] started frobbing redshift-1.0.3
[INFO] finished frobbing redshift-1.0.3
[INFO] frobbed toml for redshift-1.0.3 written to work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/redshift/1.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f613dc138b4012cf3d2eb40718fbcc7cf0a34039-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking redshift-1.0.3 against try#29640c57b5f92febba0e40c50cb863c9a7ede51d for pr-57745
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57745/worker-3/try#29640c57b5f92febba0e40c50cb863c9a7ede51d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57745/sources/try#29640c57b5f92febba0e40c50cb863c9a7ede51d/reg/redshift/1.0.3:/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" "+29640c57b5f92febba0e40c50cb863c9a7ede51d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0bbb297e9264ffdce718ab498a19ebc3050ad09b5be7606a821a39e508248067
[INFO] running `"docker" "start" "-a" "0bbb297e9264ffdce718ab498a19ebc3050ad09b5be7606a821a39e508248067"`
[INFO] [stderr]     Checking redshift v1.0.3 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/reader.rs:131:33
[INFO] [stderr]     |
[INFO] [stderr] 131 |                                 self.get_next_char(true);
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/reader.rs:131:33
[INFO] [stderr]     |
[INFO] [stderr] 131 |                                 self.get_next_char(true);
[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] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/writer_tests.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |         let mut writer = redshift::writer::Writer::new();
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `A` should have a snake case name
[INFO] [stderr]  --> tests/writer_tests.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         pub A: &'a str,
[INFO] [stderr]   |             ^ help: convert the identifier to snake case: `a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `B` should have a snake case name
[INFO] [stderr]   --> tests/writer_tests.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |         pub B: &'a str,
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `b`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `C` should have a snake case name
[INFO] [stderr]   --> tests/writer_tests.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         pub C: &'a str,
[INFO] [stderr]    |             ^ help: convert the identifier to snake case: `c`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "0bbb297e9264ffdce718ab498a19ebc3050ad09b5be7606a821a39e508248067"`
[INFO] running `"docker" "rm" "-f" "0bbb297e9264ffdce718ab498a19ebc3050ad09b5be7606a821a39e508248067"`
[INFO] [stdout] 0bbb297e9264ffdce718ab498a19ebc3050ad09b5be7606a821a39e508248067