Dec 18 08:12:27.870 INFO checking CastellaFactory/esma-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:12:27.870 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/CastellaFactory/esma-rs:/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 08:12:28.307 INFO [stdout] f27c94879b4c5f97e1529393e6db7b13ed9561146fed7ea83d82be83fd35a40a
Dec 18 08:12:28.309 INFO running `"docker" "start" "-a" "f27c94879b4c5f97e1529393e6db7b13ed9561146fed7ea83d82be83fd35a40a"`
Dec 18 08:12:29.581 INFO [stderr]     Checking memmap v0.5.2
Dec 18 08:12:29.584 INFO [stderr]     Checking toml v0.4.0
Dec 18 08:12:29.584 INFO [stderr]     Checking clap v2.24.0
Dec 18 08:12:35.392 INFO [stderr]     Checking esma-rs v0.1.0 (/opt/crater/workdir)
Dec 18 08:12:35.903 INFO [stderr] warning: unused imports: `App`, `Arg`
Dec 18 08:12:35.903 INFO [stderr]  --> src/main.rs:8:12
Dec 18 08:12:35.903 INFO [stderr]   |
Dec 18 08:12:35.903 INFO [stderr] 8 | use clap::{Arg, App};
Dec 18 08:12:35.903 INFO [stderr]   |            ^^^  ^^^
Dec 18 08:12:35.903 INFO [stderr]   |
Dec 18 08:12:35.903 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:12:35.903 INFO [stderr] 
Dec 18 08:12:35.903 INFO [stderr] warning: unused imports: `Mmap`, `Protection`
Dec 18 08:12:35.903 INFO [stderr]  --> src/runner.rs:4:14
Dec 18 08:12:35.903 INFO [stderr]   |
Dec 18 08:12:35.903 INFO [stderr] 4 | use memmap::{Mmap, Protection};
Dec 18 08:12:35.904 INFO [stderr]   |              ^^^^  ^^^^^^^^^^
Dec 18 08:12:35.904 INFO [stderr] 
Dec 18 08:12:35.904 INFO [stderr] warning: unused import: `Arg`
Dec 18 08:12:35.904 INFO [stderr]  --> src/options.rs:1:12
Dec 18 08:12:35.904 INFO [stderr]   |
Dec 18 08:12:35.904 INFO [stderr] 1 | use clap::{Arg, App};
Dec 18 08:12:35.904 INFO [stderr]   |            ^^^
Dec 18 08:12:35.904 INFO [stderr] 
Dec 18 08:12:35.948 INFO [stderr] warning: unused imports: `App`, `Arg`
Dec 18 08:12:35.948 INFO [stderr]  --> src/main.rs:8:12
Dec 18 08:12:35.948 INFO [stderr]   |
Dec 18 08:12:35.948 INFO [stderr] 8 | use clap::{Arg, App};
Dec 18 08:12:35.948 INFO [stderr]   |            ^^^  ^^^
Dec 18 08:12:35.948 INFO [stderr]   |
Dec 18 08:12:35.948 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:12:35.948 INFO [stderr] 
Dec 18 08:12:35.948 INFO [stderr] warning: unused imports: `Mmap`, `Protection`
Dec 18 08:12:35.948 INFO [stderr]  --> src/runner.rs:4:14
Dec 18 08:12:35.948 INFO [stderr]   |
Dec 18 08:12:35.948 INFO [stderr] 4 | use memmap::{Mmap, Protection};
Dec 18 08:12:35.949 INFO [stderr]   |              ^^^^  ^^^^^^^^^^
Dec 18 08:12:35.949 INFO [stderr] 
Dec 18 08:12:35.949 INFO [stderr] warning: unused import: `Arg`
Dec 18 08:12:35.949 INFO [stderr]  --> src/options.rs:1:12
Dec 18 08:12:35.949 INFO [stderr]   |
Dec 18 08:12:35.949 INFO [stderr] 1 | use clap::{Arg, App};
Dec 18 08:12:35.949 INFO [stderr]   |            ^^^
Dec 18 08:12:35.949 INFO [stderr] 
Dec 18 08:12:36.104 INFO [stderr] warning: unused variable: `opts`
Dec 18 08:12:36.104 INFO [stderr]   --> src/main.rs:33:9
Dec 18 08:12:36.104 INFO [stderr]    |
Dec 18 08:12:36.104 INFO [stderr] 33 |     let opts = Options::parse();
Dec 18 08:12:36.104 INFO [stderr]    |         ^^^^ help: consider using `_opts` instead
Dec 18 08:12:36.104 INFO [stderr]    |
Dec 18 08:12:36.104 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 08:12:36.104 INFO [stderr] 
Dec 18 08:12:36.105 INFO [stderr] warning: unused variable: `timer`
Dec 18 08:12:36.105 INFO [stderr]   --> src/runner.rs:64:13
Dec 18 08:12:36.105 INFO [stderr]    |
Dec 18 08:12:36.105 INFO [stderr] 64 |         let timer = Timer::new(algo);
Dec 18 08:12:36.105 INFO [stderr]    |             ^^^^^ help: consider using `_timer` instead
Dec 18 08:12:36.105 INFO [stderr] 
Dec 18 08:12:36.105 INFO [stderr] warning: unused variable: `m`
Dec 18 08:12:36.105 INFO [stderr]  --> src/options.rs:9:13
Dec 18 08:12:36.105 INFO [stderr]   |
Dec 18 08:12:36.105 INFO [stderr] 9 |         let m = App::new("esma-rs")
Dec 18 08:12:36.105 INFO [stderr]   |             ^ help: consider using `_m` instead
Dec 18 08:12:36.105 INFO [stderr] 
Dec 18 08:12:36.201 INFO [stderr] warning: method is never used: `start`
Dec 18 08:12:36.201 INFO [stderr]   --> src/grep.rs:20:5
Dec 18 08:12:36.201 INFO [stderr]    |
Dec 18 08:12:36.202 INFO [stderr] 20 |     pub fn start(&self) -> usize {
Dec 18 08:12:36.202 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:12:36.202 INFO [stderr]    |
Dec 18 08:12:36.202 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:12:36.203 INFO [stderr] 
Dec 18 08:12:36.256 INFO [stderr] warning: unused variable: `opts`
Dec 18 08:12:36.257 INFO [stderr]   --> src/main.rs:33:9
Dec 18 08:12:36.257 INFO [stderr]    |
Dec 18 08:12:36.257 INFO [stderr] 33 |     let opts = Options::parse();
Dec 18 08:12:36.258 INFO [stderr]    |         ^^^^ help: consider using `_opts` instead
Dec 18 08:12:36.258 INFO [stderr]    |
Dec 18 08:12:36.258 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 08:12:36.258 INFO [stderr] 
Dec 18 08:12:36.259 INFO [stderr] warning: unused variable: `timer`
Dec 18 08:12:36.259 INFO [stderr]   --> src/runner.rs:64:13
Dec 18 08:12:36.259 INFO [stderr]    |
Dec 18 08:12:36.260 INFO [stderr] 64 |         let timer = Timer::new(algo);
Dec 18 08:12:36.260 INFO [stderr]    |             ^^^^^ help: consider using `_timer` instead
Dec 18 08:12:36.260 INFO [stderr] 
Dec 18 08:12:36.260 INFO [stderr] warning: unused variable: `m`
Dec 18 08:12:36.261 INFO [stderr]  --> src/options.rs:9:13
Dec 18 08:12:36.261 INFO [stderr]   |
Dec 18 08:12:36.261 INFO [stderr] 9 |         let m = App::new("esma-rs")
Dec 18 08:12:36.262 INFO [stderr]   |             ^ help: consider using `_m` instead
Dec 18 08:12:36.262 INFO [stderr] 
Dec 18 08:12:36.299 INFO [stderr] warning: method is never used: `start`
Dec 18 08:12:36.299 INFO [stderr]   --> src/grep.rs:20:5
Dec 18 08:12:36.299 INFO [stderr]    |
Dec 18 08:12:36.300 INFO [stderr] 20 |     pub fn start(&self) -> usize {
Dec 18 08:12:36.300 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:12:36.300 INFO [stderr]    |
Dec 18 08:12:36.301 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:12:36.301 INFO [stderr] 
Dec 18 08:12:36.326 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.79s
Dec 18 08:12:36.666 INFO running `"docker" "inspect" "f27c94879b4c5f97e1529393e6db7b13ed9561146fed7ea83d82be83fd35a40a"`
Dec 18 08:12:36.782 INFO running `"docker" "rm" "-f" "f27c94879b4c5f97e1529393e6db7b13ed9561146fed7ea83d82be83fd35a40a"`
Dec 18 08:12:36.896 INFO [stdout] f27c94879b4c5f97e1529393e6db7b13ed9561146fed7ea83d82be83fd35a40a