[INFO] updating cached repository CastellaFactory/esma-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CastellaFactory/esma-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CastellaFactory/esma-rs" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CastellaFactory/esma-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CastellaFactory/esma-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CastellaFactory/esma-rs" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CastellaFactory/esma-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CastellaFactory/esma-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6e78c13333d6187b74a42f8e9ff3ae67d63300e
[INFO] sha for GitHub repo CastellaFactory/esma-rs: b6e78c13333d6187b74a42f8e9ff3ae67d63300e
[INFO] validating manifest of CastellaFactory/esma-rs on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CastellaFactory/esma-rs on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CastellaFactory/esma-rs
[INFO] finished frobbing CastellaFactory/esma-rs
[INFO] frobbed toml for CastellaFactory/esma-rs written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/CastellaFactory/esma-rs/Cargo.toml
[INFO] started frobbing CastellaFactory/esma-rs
[INFO] finished frobbing CastellaFactory/esma-rs
[INFO] frobbed toml for CastellaFactory/esma-rs written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/CastellaFactory/esma-rs/Cargo.toml
[INFO] crate CastellaFactory/esma-rs has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing CastellaFactory/esma-rs against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 5d9f427225cca881c427262e461df2cba0c156487171054fb6a72222feb852ea
[INFO] running `"docker" "start" "-a" "5d9f427225cca881c427262e461df2cba0c156487171054fb6a72222feb852ea"`
[INFO] [stderr]    Compiling memmap v0.5.2
[INFO] [stderr]    Compiling toml v0.4.0
[INFO] [stderr]    Compiling clap v2.24.0
[INFO] [stderr]    Compiling esma-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]  --> src/main.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use clap::{Arg, App};
[INFO] [stderr]   |            ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mmap`, `Protection`
[INFO] [stderr]  --> src/runner.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 | use memmap::{Mmap, Protection};
[INFO] [stderr]   |              ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/options.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use clap::{Arg, App};
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opts`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let opts = Options::parse();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_opts`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timer`
[INFO] [stderr]   --> src/runner.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let timer = Timer::new(algo);
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_timer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]  --> src/options.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let m = App::new("esma-rs")
[INFO] [stderr]   |             ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]   --> src/grep.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn start(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.40s
[INFO] running `"docker" "inspect" "5d9f427225cca881c427262e461df2cba0c156487171054fb6a72222feb852ea"`
[INFO] running `"docker" "rm" "-f" "5d9f427225cca881c427262e461df2cba0c156487171054fb6a72222feb852ea"`
[INFO] [stdout] 5d9f427225cca881c427262e461df2cba0c156487171054fb6a72222feb852ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] ccfec1733d91556fac969691157167d573aba3787ad4636697fa816b8120e7d8
[INFO] running `"docker" "start" "-a" "ccfec1733d91556fac969691157167d573aba3787ad4636697fa816b8120e7d8"`
[INFO] [stderr]    Compiling esma-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `App`, `Arg`
[INFO] [stderr]  --> src/main.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use clap::{Arg, App};
[INFO] [stderr]   |            ^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mmap`, `Protection`
[INFO] [stderr]  --> src/runner.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 | use memmap::{Mmap, Protection};
[INFO] [stderr]   |              ^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Arg`
[INFO] [stderr]  --> src/options.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | use clap::{Arg, App};
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opts`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let opts = Options::parse();
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_opts`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `timer`
[INFO] [stderr]   --> src/runner.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let timer = Timer::new(algo);
[INFO] [stderr]    |             ^^^^^ help: consider prefixing with an underscore: `_timer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]  --> src/options.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |         let m = App::new("esma-rs")
[INFO] [stderr]   |             ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start`
[INFO] [stderr]   --> src/grep.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn start(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "ccfec1733d91556fac969691157167d573aba3787ad4636697fa816b8120e7d8"`
[INFO] running `"docker" "rm" "-f" "ccfec1733d91556fac969691157167d573aba3787ad4636697fa816b8120e7d8"`
[INFO] [stdout] ccfec1733d91556fac969691157167d573aba3787ad4636697fa816b8120e7d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 2155c75d19d8601f2dde02c858db693ea20a8ca945e57db8b08182d87d40be9d
[INFO] running `"docker" "start" "-a" "2155c75d19d8601f2dde02c858db693ea20a8ca945e57db8b08182d87d40be9d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/esma_rs-9709ddabe30fed23
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2155c75d19d8601f2dde02c858db693ea20a8ca945e57db8b08182d87d40be9d"`
[INFO] running `"docker" "rm" "-f" "2155c75d19d8601f2dde02c858db693ea20a8ca945e57db8b08182d87d40be9d"`
[INFO] [stdout] 2155c75d19d8601f2dde02c858db693ea20a8ca945e57db8b08182d87d40be9d