[INFO] crate redshift 1.0.3 is already in cache
[INFO] extracting crate redshift 1.0.3 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/redshift/1.0.3
[INFO] extracting crate redshift 1.0.3 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/redshift/1.0.3
[INFO] validating manifest of redshift-1.0.3 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of redshift-1.0.3 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/redshift/1.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking redshift-1.0.3 against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-6/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7a3db47c8a8ae9442bb3ef246f4fc240dc5a0ff4bc48da1a523efa99e2efe94e
[INFO] running `"docker" "start" "-a" "7a3db47c8a8ae9442bb3ef246f4fc240dc5a0ff4bc48da1a523efa99e2efe94e"`
[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 such as `a`
[INFO] [stderr]  --> tests/writer_tests.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |         pub A: &'a str,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^
[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 such as `b`
[INFO] [stderr]   --> tests/writer_tests.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |         pub B: &'a str,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `C` should have a snake case name such as `c`
[INFO] [stderr]   --> tests/writer_tests.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         pub C: &'a str,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "7a3db47c8a8ae9442bb3ef246f4fc240dc5a0ff4bc48da1a523efa99e2efe94e"`
[INFO] running `"docker" "rm" "-f" "7a3db47c8a8ae9442bb3ef246f4fc240dc5a0ff4bc48da1a523efa99e2efe94e"`
[INFO] [stdout] 7a3db47c8a8ae9442bb3ef246f4fc240dc5a0ff4bc48da1a523efa99e2efe94e