Nov 30 11:08:29.455 INFO checking FauxFaux/jsonarray2pg against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 11:08:29.455 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 11:08:29.862 INFO [stdout] b746614e69d794f22922a2c7ab85f9ef58649f6ba9e5ffece68f08b94422f533
Nov 30 11:08:29.862 INFO running `"docker" "start" "-a" "b746614e69d794f22922a2c7ab85f9ef58649f6ba9e5ffece68f08b94422f533"`
Nov 30 11:08:31.274 INFO [stderr] usermod: no changes
Nov 30 11:08:31.373 INFO [stderr]     Checking postgres-protocol v0.2.1
Nov 30 11:08:32.416 INFO [stderr]     Checking postgres-shared v0.2.0
Nov 30 11:08:34.266 INFO [stderr]     Checking postgres v0.14.0
Nov 30 11:08:36.122 INFO [stderr]     Checking jsonarray2pg v0.1.0 (/source)
Nov 30 11:08:38.168 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.168 INFO [stderr]   --> src/json.rs:94:40
Nov 30 11:08:38.168 INFO [stderr]    |
Nov 30 11:08:38.168 INFO [stderr] 94 | fn read_string<T: Iterator<Item = u8>>(mut iter: &mut T,
Nov 30 11:08:38.168 INFO [stderr]    |                                        ----^^^^
Nov 30 11:08:38.168 INFO [stderr]    |                                        |
Nov 30 11:08:38.168 INFO [stderr]    |                                        help: remove this `mut`
Nov 30 11:08:38.168 INFO [stderr]    |
Nov 30 11:08:38.168 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 11:08:38.168 INFO [stderr] 
Nov 30 11:08:38.168 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.168 INFO [stderr]   --> src/json.rs:95:40
Nov 30 11:08:38.169 INFO [stderr]    |
Nov 30 11:08:38.169 INFO [stderr] 95 |                                        mut buf: &mut Vec<u8>)
Nov 30 11:08:38.169 INFO [stderr]    |                                        ----^^^
Nov 30 11:08:38.169 INFO [stderr]    |                                        |
Nov 30 11:08:38.169 INFO [stderr]    |                                        help: remove this `mut`
Nov 30 11:08:38.169 INFO [stderr] 
Nov 30 11:08:38.169 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.169 INFO [stderr]    --> src/json.rs:116:37
Nov 30 11:08:38.169 INFO [stderr]     |
Nov 30 11:08:38.169 INFO [stderr] 116 | fn read_num<T: Iterator<Item = u8>>(mut iter: &mut Peekable<T>,
Nov 30 11:08:38.169 INFO [stderr]     |                                     ----^^^^
Nov 30 11:08:38.169 INFO [stderr]     |                                     |
Nov 30 11:08:38.169 INFO [stderr]     |                                     help: remove this `mut`
Nov 30 11:08:38.169 INFO [stderr] 
Nov 30 11:08:38.169 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.169 INFO [stderr]    --> src/json.rs:117:37
Nov 30 11:08:38.169 INFO [stderr]     |
Nov 30 11:08:38.169 INFO [stderr] 117 |                                     mut buf: &mut Vec<u8>)
Nov 30 11:08:38.169 INFO [stderr]     |                                     ----^^^
Nov 30 11:08:38.169 INFO [stderr]     |                                     |
Nov 30 11:08:38.169 INFO [stderr]     |                                     help: remove this `mut`
Nov 30 11:08:38.169 INFO [stderr] 
Nov 30 11:08:38.172 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.172 INFO [stderr]    --> src/json.rs:160:46
Nov 30 11:08:38.172 INFO [stderr]     |
Nov 30 11:08:38.172 INFO [stderr] 160 | pub fn parse_array_from_file<T: io::Read, F>(mut from: &mut T,
Nov 30 11:08:38.172 INFO [stderr]     |                                              ----^^^^
Nov 30 11:08:38.172 INFO [stderr]     |                                              |
Nov 30 11:08:38.172 INFO [stderr]     |                                              help: remove this `mut`
Nov 30 11:08:38.172 INFO [stderr] 
Nov 30 11:08:38.276 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.276 INFO [stderr]   --> src/json.rs:94:40
Nov 30 11:08:38.276 INFO [stderr]    |
Nov 30 11:08:38.276 INFO [stderr] 94 | fn read_string<T: Iterator<Item = u8>>(mut iter: &mut T,
Nov 30 11:08:38.276 INFO [stderr]    |                                        ----^^^^
Nov 30 11:08:38.276 INFO [stderr]    |                                        |
Nov 30 11:08:38.276 INFO [stderr]    |                                        help: remove this `mut`
Nov 30 11:08:38.276 INFO [stderr]    |
Nov 30 11:08:38.276 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 11:08:38.276 INFO [stderr] 
Nov 30 11:08:38.276 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.276 INFO [stderr]   --> src/json.rs:95:40
Nov 30 11:08:38.276 INFO [stderr]    |
Nov 30 11:08:38.276 INFO [stderr] 95 |                                        mut buf: &mut Vec<u8>)
Nov 30 11:08:38.276 INFO [stderr]    |                                        ----^^^
Nov 30 11:08:38.276 INFO [stderr]    |                                        |
Nov 30 11:08:38.276 INFO [stderr]    |                                        help: remove this `mut`
Nov 30 11:08:38.276 INFO [stderr] 
Nov 30 11:08:38.277 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.277 INFO [stderr]    --> src/json.rs:116:37
Nov 30 11:08:38.277 INFO [stderr]     |
Nov 30 11:08:38.277 INFO [stderr] 116 | fn read_num<T: Iterator<Item = u8>>(mut iter: &mut Peekable<T>,
Nov 30 11:08:38.277 INFO [stderr]     |                                     ----^^^^
Nov 30 11:08:38.277 INFO [stderr]     |                                     |
Nov 30 11:08:38.277 INFO [stderr]     |                                     help: remove this `mut`
Nov 30 11:08:38.277 INFO [stderr] 
Nov 30 11:08:38.277 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.277 INFO [stderr]    --> src/json.rs:117:37
Nov 30 11:08:38.277 INFO [stderr]     |
Nov 30 11:08:38.277 INFO [stderr] 117 |                                     mut buf: &mut Vec<u8>)
Nov 30 11:08:38.277 INFO [stderr]     |                                     ----^^^
Nov 30 11:08:38.277 INFO [stderr]     |                                     |
Nov 30 11:08:38.277 INFO [stderr]     |                                     help: remove this `mut`
Nov 30 11:08:38.277 INFO [stderr] 
Nov 30 11:08:38.284 INFO [stderr] warning: variable does not need to be mutable
Nov 30 11:08:38.284 INFO [stderr]    --> src/json.rs:160:46
Nov 30 11:08:38.284 INFO [stderr]     |
Nov 30 11:08:38.284 INFO [stderr] 160 | pub fn parse_array_from_file<T: io::Read, F>(mut from: &mut T,
Nov 30 11:08:38.284 INFO [stderr]     |                                              ----^^^^
Nov 30 11:08:38.284 INFO [stderr]     |                                              |
Nov 30 11:08:38.284 INFO [stderr]     |                                              help: remove this `mut`
Nov 30 11:08:38.284 INFO [stderr] 
Nov 30 11:08:38.323 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.02s
Nov 30 11:08:38.341 INFO [stderr] su: No module specific data is present
Nov 30 11:08:39.214 INFO running `"docker" "inspect" "b746614e69d794f22922a2c7ab85f9ef58649f6ba9e5ffece68f08b94422f533"`
Nov 30 11:08:39.540 INFO running `"docker" "rm" "-f" "b746614e69d794f22922a2c7ab85f9ef58649f6ba9e5ffece68f08b94422f533"`
Nov 30 11:08:39.892 INFO [stdout] b746614e69d794f22922a2c7ab85f9ef58649f6ba9e5ffece68f08b94422f533