Dec 18 07:42:22.769 INFO checking FauxFaux/jsonarray2pg against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:42:22.769 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/FauxFaux/jsonarray2pg:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:42:23.328 INFO [stdout] 8c9d90c5ec5366de796b20ca71688eb0081773781e6a9bb5ce9d858d30735b53
Dec 18 07:42:23.330 INFO running `"docker" "start" "-a" "8c9d90c5ec5366de796b20ca71688eb0081773781e6a9bb5ce9d858d30735b53"`
Dec 18 07:42:24.528 INFO [stderr]     Checking postgres-shared v0.2.0
Dec 18 07:42:25.776 INFO [stderr]     Checking postgres v0.14.0
Dec 18 07:42:27.017 INFO [stderr]     Checking jsonarray2pg v0.1.0 (/opt/crater/workdir)
Dec 18 07:42:27.604 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.604 INFO [stderr]   --> src/json.rs:94:40
Dec 18 07:42:27.604 INFO [stderr]    |
Dec 18 07:42:27.604 INFO [stderr] 94 | fn read_string<T: Iterator<Item = u8>>(mut iter: &mut T,
Dec 18 07:42:27.604 INFO [stderr]    |                                        ----^^^^
Dec 18 07:42:27.604 INFO [stderr]    |                                        |
Dec 18 07:42:27.604 INFO [stderr]    |                                        help: remove this `mut`
Dec 18 07:42:27.604 INFO [stderr]    |
Dec 18 07:42:27.604 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:42:27.604 INFO [stderr] 
Dec 18 07:42:27.604 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.604 INFO [stderr]   --> src/json.rs:95:40
Dec 18 07:42:27.604 INFO [stderr]    |
Dec 18 07:42:27.604 INFO [stderr] 95 |                                        mut buf: &mut Vec<u8>)
Dec 18 07:42:27.604 INFO [stderr]    |                                        ----^^^
Dec 18 07:42:27.604 INFO [stderr]    |                                        |
Dec 18 07:42:27.604 INFO [stderr]    |                                        help: remove this `mut`
Dec 18 07:42:27.604 INFO [stderr] 
Dec 18 07:42:27.604 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.604 INFO [stderr]    --> src/json.rs:116:37
Dec 18 07:42:27.604 INFO [stderr]     |
Dec 18 07:42:27.604 INFO [stderr] 116 | fn read_num<T: Iterator<Item = u8>>(mut iter: &mut Peekable<T>,
Dec 18 07:42:27.604 INFO [stderr]     |                                     ----^^^^
Dec 18 07:42:27.604 INFO [stderr]     |                                     |
Dec 18 07:42:27.604 INFO [stderr]     |                                     help: remove this `mut`
Dec 18 07:42:27.604 INFO [stderr] 
Dec 18 07:42:27.604 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.604 INFO [stderr]    --> src/json.rs:117:37
Dec 18 07:42:27.604 INFO [stderr]     |
Dec 18 07:42:27.604 INFO [stderr] 117 |                                     mut buf: &mut Vec<u8>)
Dec 18 07:42:27.604 INFO [stderr]     |                                     ----^^^
Dec 18 07:42:27.604 INFO [stderr]     |                                     |
Dec 18 07:42:27.605 INFO [stderr]     |                                     help: remove this `mut`
Dec 18 07:42:27.605 INFO [stderr] 
Dec 18 07:42:27.612 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.612 INFO [stderr]    --> src/json.rs:160:46
Dec 18 07:42:27.612 INFO [stderr]     |
Dec 18 07:42:27.612 INFO [stderr] 160 | pub fn parse_array_from_file<T: io::Read, F>(mut from: &mut T,
Dec 18 07:42:27.612 INFO [stderr]     |                                              ----^^^^
Dec 18 07:42:27.612 INFO [stderr]     |                                              |
Dec 18 07:42:27.612 INFO [stderr]     |                                              help: remove this `mut`
Dec 18 07:42:27.612 INFO [stderr] 
Dec 18 07:42:27.637 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.637 INFO [stderr]   --> src/json.rs:94:40
Dec 18 07:42:27.637 INFO [stderr]    |
Dec 18 07:42:27.637 INFO [stderr] 94 | fn read_string<T: Iterator<Item = u8>>(mut iter: &mut T,
Dec 18 07:42:27.637 INFO [stderr]    |                                        ----^^^^
Dec 18 07:42:27.637 INFO [stderr]    |                                        |
Dec 18 07:42:27.637 INFO [stderr]    |                                        help: remove this `mut`
Dec 18 07:42:27.637 INFO [stderr]    |
Dec 18 07:42:27.637 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 18 07:42:27.637 INFO [stderr] 
Dec 18 07:42:27.637 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.637 INFO [stderr]   --> src/json.rs:95:40
Dec 18 07:42:27.637 INFO [stderr]    |
Dec 18 07:42:27.637 INFO [stderr] 95 |                                        mut buf: &mut Vec<u8>)
Dec 18 07:42:27.637 INFO [stderr]    |                                        ----^^^
Dec 18 07:42:27.637 INFO [stderr]    |                                        |
Dec 18 07:42:27.637 INFO [stderr]    |                                        help: remove this `mut`
Dec 18 07:42:27.637 INFO [stderr] 
Dec 18 07:42:27.637 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.637 INFO [stderr]    --> src/json.rs:116:37
Dec 18 07:42:27.637 INFO [stderr]     |
Dec 18 07:42:27.637 INFO [stderr] 116 | fn read_num<T: Iterator<Item = u8>>(mut iter: &mut Peekable<T>,
Dec 18 07:42:27.637 INFO [stderr]     |                                     ----^^^^
Dec 18 07:42:27.638 INFO [stderr]     |                                     |
Dec 18 07:42:27.638 INFO [stderr]     |                                     help: remove this `mut`
Dec 18 07:42:27.638 INFO [stderr] 
Dec 18 07:42:27.638 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.638 INFO [stderr]    --> src/json.rs:117:37
Dec 18 07:42:27.638 INFO [stderr]     |
Dec 18 07:42:27.638 INFO [stderr] 117 |                                     mut buf: &mut Vec<u8>)
Dec 18 07:42:27.638 INFO [stderr]     |                                     ----^^^
Dec 18 07:42:27.638 INFO [stderr]     |                                     |
Dec 18 07:42:27.638 INFO [stderr]     |                                     help: remove this `mut`
Dec 18 07:42:27.638 INFO [stderr] 
Dec 18 07:42:27.648 INFO [stderr] warning: variable does not need to be mutable
Dec 18 07:42:27.648 INFO [stderr]    --> src/json.rs:160:46
Dec 18 07:42:27.648 INFO [stderr]     |
Dec 18 07:42:27.648 INFO [stderr] 160 | pub fn parse_array_from_file<T: io::Read, F>(mut from: &mut T,
Dec 18 07:42:27.648 INFO [stderr]     |                                              ----^^^^
Dec 18 07:42:27.648 INFO [stderr]     |                                              |
Dec 18 07:42:27.648 INFO [stderr]     |                                              help: remove this `mut`
Dec 18 07:42:27.648 INFO [stderr] 
Dec 18 07:42:27.677 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
Dec 18 07:42:28.025 INFO running `"docker" "inspect" "8c9d90c5ec5366de796b20ca71688eb0081773781e6a9bb5ce9d858d30735b53"`
Dec 18 07:42:28.121 INFO running `"docker" "rm" "-f" "8c9d90c5ec5366de796b20ca71688eb0081773781e6a9bb5ce9d858d30735b53"`
Dec 18 07:42:28.258 INFO [stdout] 8c9d90c5ec5366de796b20ca71688eb0081773781e6a9bb5ce9d858d30735b53