[INFO] updating cached repository Fittings/router_log_data
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Fittings/router_log_data
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Fittings/router_log_data" "work/ex/beta-1.37-6/sources/1.36.0/gh/Fittings/router_log_data"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Fittings/router_log_data'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Fittings/router_log_data" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fittings/router_log_data"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fittings/router_log_data'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44b7722ce96df706240852e0e8f32b26acfd2f13
[INFO] sha for GitHub repo Fittings/router_log_data: 44b7722ce96df706240852e0e8f32b26acfd2f13
[INFO] validating manifest of Fittings/router_log_data on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Fittings/router_log_data on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Fittings/router_log_data
[INFO] finished frobbing Fittings/router_log_data
[INFO] frobbed toml for Fittings/router_log_data written to work/ex/beta-1.37-6/sources/1.36.0/gh/Fittings/router_log_data/Cargo.toml
[INFO] started frobbing Fittings/router_log_data
[INFO] finished frobbing Fittings/router_log_data
[INFO] frobbed toml for Fittings/router_log_data written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fittings/router_log_data/Cargo.toml
[INFO] crate Fittings/router_log_data already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Fittings/router_log_data against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fittings/router_log_data:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ca8d44ab118a6dcb296b0f8740da96af94e89eb004b8e6a6dd47b4cb7d44246c
[INFO] running `"docker" "start" "-a" "ca8d44ab118a6dcb296b0f8740da96af94e89eb004b8e6a6dd47b4cb7d44246c"`
[INFO] [stderr]    Compiling syslog_reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/sys_log/sys_log_data.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for line in self.log_lines.iter() {
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "ca8d44ab118a6dcb296b0f8740da96af94e89eb004b8e6a6dd47b4cb7d44246c"`
[INFO] running `"docker" "rm" "-f" "ca8d44ab118a6dcb296b0f8740da96af94e89eb004b8e6a6dd47b4cb7d44246c"`
[INFO] [stdout] ca8d44ab118a6dcb296b0f8740da96af94e89eb004b8e6a6dd47b4cb7d44246c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fittings/router_log_data:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 603cfbf3443ced0281e1d52d4530fdf436f3f9eec484554fb94f1d8a48494820
[INFO] running `"docker" "start" "-a" "603cfbf3443ced0281e1d52d4530fdf436f3f9eec484554fb94f1d8a48494820"`
[INFO] [stderr]    Compiling syslog_reader v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `line`
[INFO] [stderr]   --> src/sys_log/sys_log_data.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for line in self.log_lines.iter() {
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "603cfbf3443ced0281e1d52d4530fdf436f3f9eec484554fb94f1d8a48494820"`
[INFO] running `"docker" "rm" "-f" "603cfbf3443ced0281e1d52d4530fdf436f3f9eec484554fb94f1d8a48494820"`
[INFO] [stdout] 603cfbf3443ced0281e1d52d4530fdf436f3f9eec484554fb94f1d8a48494820
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Fittings/router_log_data:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 53390adc431a86e52e9ca15aca085608683d34749324c06fc2831c68789d5f12
[INFO] running `"docker" "start" "-a" "53390adc431a86e52e9ca15aca085608683d34749324c06fc2831c68789d5f12"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/syslog_reader-a8301bcc432168f7
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/log_bin-7e0ba477b0b24ffa
[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] [stderr]    Doc-tests syslog_reader
[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" "53390adc431a86e52e9ca15aca085608683d34749324c06fc2831c68789d5f12"`
[INFO] running `"docker" "rm" "-f" "53390adc431a86e52e9ca15aca085608683d34749324c06fc2831c68789d5f12"`
[INFO] [stdout] 53390adc431a86e52e9ca15aca085608683d34749324c06fc2831c68789d5f12