Dec 12 03:31:34.418 INFO checking CastellaFactory/esma-rs against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:31:34.418 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 03:31:34.856 INFO [stdout] 7ef0b32f7120632523d55c297cd0fb4d11405ca8e5cdf24f0b2e4a2d82e7449c
Dec 12 03:31:34.864 INFO running `"docker" "start" "-a" "7ef0b32f7120632523d55c297cd0fb4d11405ca8e5cdf24f0b2e4a2d82e7449c"`
Dec 12 03:31:36.272 INFO [stderr] usermod: no changes
Dec 12 03:31:36.396 INFO [stderr]     Checking memmap v0.5.2
Dec 12 03:31:36.396 INFO [stderr]     Checking toml v0.4.0
Dec 12 03:31:36.420 INFO [stderr]     Checking clap v2.24.0
Dec 12 03:31:43.270 INFO [stderr]     Checking esma-rs v0.1.0 (/source)
Dec 12 03:31:44.816 INFO [stderr] warning: unused imports: `App`, `Arg`
Dec 12 03:31:44.816 INFO [stderr]  --> src/main.rs:8:12
Dec 12 03:31:44.816 INFO [stderr]   |
Dec 12 03:31:44.816 INFO [stderr] 8 | use clap::{Arg, App};
Dec 12 03:31:44.816 INFO [stderr]   |            ^^^  ^^^
Dec 12 03:31:44.816 INFO [stderr]   |
Dec 12 03:31:44.816 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:31:44.816 INFO [stderr] 
Dec 12 03:31:44.820 INFO [stderr] warning: unused imports: `Mmap`, `Protection`
Dec 12 03:31:44.820 INFO [stderr]  --> src/runner.rs:4:14
Dec 12 03:31:44.820 INFO [stderr]   |
Dec 12 03:31:44.820 INFO [stderr] 4 | use memmap::{Mmap, Protection};
Dec 12 03:31:44.820 INFO [stderr]   |              ^^^^  ^^^^^^^^^^
Dec 12 03:31:44.820 INFO [stderr] 
Dec 12 03:31:44.820 INFO [stderr] warning: unused import: `Arg`
Dec 12 03:31:44.820 INFO [stderr]  --> src/options.rs:1:12
Dec 12 03:31:44.821 INFO [stderr]   |
Dec 12 03:31:44.821 INFO [stderr] 1 | use clap::{Arg, App};
Dec 12 03:31:44.821 INFO [stderr]   |            ^^^
Dec 12 03:31:44.821 INFO [stderr] 
Dec 12 03:31:44.953 INFO [stderr] warning: unused imports: `App`, `Arg`
Dec 12 03:31:44.953 INFO [stderr]  --> src/main.rs:8:12
Dec 12 03:31:44.953 INFO [stderr]   |
Dec 12 03:31:44.953 INFO [stderr] 8 | use clap::{Arg, App};
Dec 12 03:31:44.953 INFO [stderr]   |            ^^^  ^^^
Dec 12 03:31:44.954 INFO [stderr]   |
Dec 12 03:31:44.954 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:31:44.954 INFO [stderr] 
Dec 12 03:31:44.960 INFO [stderr] warning: unused imports: `Mmap`, `Protection`
Dec 12 03:31:44.960 INFO [stderr]  --> src/runner.rs:4:14
Dec 12 03:31:44.960 INFO [stderr]   |
Dec 12 03:31:44.960 INFO [stderr] 4 | use memmap::{Mmap, Protection};
Dec 12 03:31:44.960 INFO [stderr]   |              ^^^^  ^^^^^^^^^^
Dec 12 03:31:44.960 INFO [stderr] 
Dec 12 03:31:44.960 INFO [stderr] warning: unused import: `Arg`
Dec 12 03:31:44.960 INFO [stderr]  --> src/options.rs:1:12
Dec 12 03:31:44.960 INFO [stderr]   |
Dec 12 03:31:44.960 INFO [stderr] 1 | use clap::{Arg, App};
Dec 12 03:31:44.960 INFO [stderr]   |            ^^^
Dec 12 03:31:44.960 INFO [stderr] 
Dec 12 03:31:45.005 INFO [stderr] warning: unused variable: `opts`
Dec 12 03:31:45.005 INFO [stderr]   --> src/main.rs:33:9
Dec 12 03:31:45.005 INFO [stderr]    |
Dec 12 03:31:45.005 INFO [stderr] 33 |     let opts = Options::parse();
Dec 12 03:31:45.005 INFO [stderr]    |         ^^^^ help: consider using `_opts` instead
Dec 12 03:31:45.006 INFO [stderr]    |
Dec 12 03:31:45.006 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 03:31:45.006 INFO [stderr] 
Dec 12 03:31:45.006 INFO [stderr] warning: unused variable: `timer`
Dec 12 03:31:45.006 INFO [stderr]   --> src/runner.rs:64:13
Dec 12 03:31:45.006 INFO [stderr]    |
Dec 12 03:31:45.007 INFO [stderr] 64 |         let timer = Timer::new(algo);
Dec 12 03:31:45.007 INFO [stderr]    |             ^^^^^ help: consider using `_timer` instead
Dec 12 03:31:45.007 INFO [stderr] 
Dec 12 03:31:45.007 INFO [stderr] warning: unused variable: `m`
Dec 12 03:31:45.007 INFO [stderr]  --> src/options.rs:9:13
Dec 12 03:31:45.007 INFO [stderr]   |
Dec 12 03:31:45.007 INFO [stderr] 9 |         let m = App::new("esma-rs")
Dec 12 03:31:45.008 INFO [stderr]   |             ^ help: consider using `_m` instead
Dec 12 03:31:45.008 INFO [stderr] 
Dec 12 03:31:45.075 INFO [stderr] warning: method is never used: `start`
Dec 12 03:31:45.076 INFO [stderr]   --> src/grep.rs:20:5
Dec 12 03:31:45.076 INFO [stderr]    |
Dec 12 03:31:45.076 INFO [stderr] 20 |     pub fn start(&self) -> usize {
Dec 12 03:31:45.076 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:31:45.076 INFO [stderr]    |
Dec 12 03:31:45.076 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:31:45.076 INFO [stderr] 
Dec 12 03:31:45.252 INFO [stderr] warning: unused variable: `opts`
Dec 12 03:31:45.252 INFO [stderr]   --> src/main.rs:33:9
Dec 12 03:31:45.252 INFO [stderr]    |
Dec 12 03:31:45.252 INFO [stderr] 33 |     let opts = Options::parse();
Dec 12 03:31:45.252 INFO [stderr]    |         ^^^^ help: consider using `_opts` instead
Dec 12 03:31:45.252 INFO [stderr]    |
Dec 12 03:31:45.252 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 03:31:45.252 INFO [stderr] 
Dec 12 03:31:45.252 INFO [stderr] warning: unused variable: `timer`
Dec 12 03:31:45.252 INFO [stderr]   --> src/runner.rs:64:13
Dec 12 03:31:45.252 INFO [stderr]    |
Dec 12 03:31:45.252 INFO [stderr] 64 |         let timer = Timer::new(algo);
Dec 12 03:31:45.252 INFO [stderr]    |             ^^^^^ help: consider using `_timer` instead
Dec 12 03:31:45.252 INFO [stderr] 
Dec 12 03:31:45.252 INFO [stderr] warning: unused variable: `m`
Dec 12 03:31:45.252 INFO [stderr]  --> src/options.rs:9:13
Dec 12 03:31:45.252 INFO [stderr]   |
Dec 12 03:31:45.252 INFO [stderr] 9 |         let m = App::new("esma-rs")
Dec 12 03:31:45.252 INFO [stderr]   |             ^ help: consider using `_m` instead
Dec 12 03:31:45.252 INFO [stderr] 
Dec 12 03:31:45.290 INFO [stderr] warning: method is never used: `start`
Dec 12 03:31:45.290 INFO [stderr]   --> src/grep.rs:20:5
Dec 12 03:31:45.290 INFO [stderr]    |
Dec 12 03:31:45.290 INFO [stderr] 20 |     pub fn start(&self) -> usize {
Dec 12 03:31:45.290 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:31:45.290 INFO [stderr]    |
Dec 12 03:31:45.290 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:31:45.290 INFO [stderr] 
Dec 12 03:31:45.306 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.00s
Dec 12 03:31:45.311 INFO [stderr] su: No module specific data is present
Dec 12 03:31:45.799 INFO running `"docker" "inspect" "7ef0b32f7120632523d55c297cd0fb4d11405ca8e5cdf24f0b2e4a2d82e7449c"`
Dec 12 03:31:46.047 INFO running `"docker" "rm" "-f" "7ef0b32f7120632523d55c297cd0fb4d11405ca8e5cdf24f0b2e4a2d82e7449c"`
Dec 12 03:31:46.232 INFO [stdout] 7ef0b32f7120632523d55c297cd0fb4d11405ca8e5cdf24f0b2e4a2d82e7449c