Nov 30 19:39:12.181 INFO checking maze-0.1.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:39:12.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 19:39:12.399 INFO [stdout] ac877650a038ad6ffca3bfae04a83201e1cfadf1f42332ab6d8172271e28c5cb
Nov 30 19:39:12.401 INFO running `"docker" "start" "-a" "ac877650a038ad6ffca3bfae04a83201e1cfadf1f42332ab6d8172271e28c5cb"`
Nov 30 19:39:12.886 INFO [stderr] usermod: no changes
Nov 30 19:39:13.157 INFO [stderr]    Compiling serde_codegen v0.8.23
Nov 30 19:39:13.157 INFO [stderr]     Checking png v0.5.2
Nov 30 19:39:13.157 INFO [stderr]     Checking hyper v0.9.12
Nov 30 19:39:15.492 INFO [stderr]     Checking image v0.10.4
Nov 30 19:39:17.612 INFO [stderr]    Compiling serde_derive v0.8.23
Nov 30 19:39:19.568 INFO [stderr]     Checking iron v0.4.0
Nov 30 19:39:23.684 INFO [stderr]     Checking persistent v0.2.1
Nov 30 19:39:23.684 INFO [stderr]     Checking router v0.4.0
Nov 30 19:39:26.205 INFO [stderr]     Checking imageproc v0.6.1
Nov 30 19:39:30.312 INFO [stderr]     Checking bodyparser v0.4.1
Nov 30 19:39:34.548 INFO [stderr]     Checking urlencoded v0.4.1
Nov 30 19:39:37.824 INFO [stderr]     Checking maze v0.1.2 (/source)
Nov 30 19:39:46.840 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:39:46.840 INFO [stderr]    --> src/types/grid.rs:191:13
Nov 30 19:39:46.840 INFO [stderr]     |
Nov 30 19:39:46.840 INFO [stderr] 191 |         let mut grid = self;
Nov 30 19:39:46.840 INFO [stderr]     |             ----^^^^
Nov 30 19:39:46.840 INFO [stderr]     |             |
Nov 30 19:39:46.840 INFO [stderr]     |             help: remove this `mut`
Nov 30 19:39:46.840 INFO [stderr]     |
Nov 30 19:39:46.840 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 19:39:46.840 INFO [stderr] 
Nov 30 19:39:46.852 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 30 19:39:46.852 INFO [stderr]  --> src/lib.rs:2:12
Nov 30 19:39:46.852 INFO [stderr]   |
Nov 30 19:39:46.852 INFO [stderr] 2 | #![feature(proc_macro)]
Nov 30 19:39:46.852 INFO [stderr]   |            ^^^^^^^^^^
Nov 30 19:39:46.852 INFO [stderr]   |
Nov 30 19:39:46.852 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 19:39:46.852 INFO [stderr] 
Nov 30 19:39:48.122 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:39:48.122 INFO [stderr]    --> src/types/grid.rs:191:13
Nov 30 19:39:48.122 INFO [stderr]     |
Nov 30 19:39:48.122 INFO [stderr] 191 |         let mut grid = self;
Nov 30 19:39:48.122 INFO [stderr]     |             ----^^^^
Nov 30 19:39:48.122 INFO [stderr]     |             |
Nov 30 19:39:48.122 INFO [stderr]     |             help: remove this `mut`
Nov 30 19:39:48.122 INFO [stderr]     |
Nov 30 19:39:48.122 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 19:39:48.122 INFO [stderr] 
Nov 30 19:39:48.133 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Nov 30 19:39:48.133 INFO [stderr]  --> src/lib.rs:2:12
Nov 30 19:39:48.133 INFO [stderr]   |
Nov 30 19:39:48.133 INFO [stderr] 2 | #![feature(proc_macro)]
Nov 30 19:39:48.133 INFO [stderr]   |            ^^^^^^^^^^
Nov 30 19:39:48.133 INFO [stderr]   |
Nov 30 19:39:48.133 INFO [stderr]   = note: #[warn(stable_features)] on by default
Nov 30 19:39:48.133 INFO [stderr] 
Nov 30 19:40:02.516 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.60s
Nov 30 19:40:02.569 INFO [stderr] su: No module specific data is present
Nov 30 19:40:03.722 INFO running `"docker" "inspect" "ac877650a038ad6ffca3bfae04a83201e1cfadf1f42332ab6d8172271e28c5cb"`
Nov 30 19:40:03.982 INFO running `"docker" "rm" "-f" "ac877650a038ad6ffca3bfae04a83201e1cfadf1f42332ab6d8172271e28c5cb"`
Nov 30 19:40:04.331 INFO [stdout] ac877650a038ad6ffca3bfae04a83201e1cfadf1f42332ab6d8172271e28c5cb