[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-1.38-1/sources/1.37.0/gh/Fittings/router_log_data"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Fittings/router_log_data'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Fittings/router_log_data" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fittings/router_log_data"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Fittings/router_log_data on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Fittings/router_log_data against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 31d783633ed974ffa924301d71717807ad28c3e83fa6cedc074d814847f56b78
[INFO] running `"docker" "start" "-a" "31d783633ed974ffa924301d71717807ad28c3e83fa6cedc074d814847f56b78"`
[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 1.50s
[INFO] running `"docker" "inspect" "31d783633ed974ffa924301d71717807ad28c3e83fa6cedc074d814847f56b78"`
[INFO] running `"docker" "rm" "-f" "31d783633ed974ffa924301d71717807ad28c3e83fa6cedc074d814847f56b78"`
[INFO] [stdout] 31d783633ed974ffa924301d71717807ad28c3e83fa6cedc074d814847f56b78
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 69519142cdc84abf727283fe938e2a8920a9d0192eb6623f0d37e582b9328346
[INFO] running `"docker" "start" "-a" "69519142cdc84abf727283fe938e2a8920a9d0192eb6623f0d37e582b9328346"`
[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 1.05s
[INFO] running `"docker" "inspect" "69519142cdc84abf727283fe938e2a8920a9d0192eb6623f0d37e582b9328346"`
[INFO] running `"docker" "rm" "-f" "69519142cdc84abf727283fe938e2a8920a9d0192eb6623f0d37e582b9328346"`
[INFO] [stdout] 69519142cdc84abf727283fe938e2a8920a9d0192eb6623f0d37e582b9328346
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 5b2680a28fc91212b7f95052234f4e137446203a68a071562067b5af26c458ab
[INFO] running `"docker" "start" "-a" "5b2680a28fc91212b7f95052234f4e137446203a68a071562067b5af26c458ab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/syslog_reader-1a41c48969cf1a1b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/log_bin-01cbb604699fbf31
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syslog_reader
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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] [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" "5b2680a28fc91212b7f95052234f4e137446203a68a071562067b5af26c458ab"`
[INFO] running `"docker" "rm" "-f" "5b2680a28fc91212b7f95052234f4e137446203a68a071562067b5af26c458ab"`
[INFO] [stdout] 5b2680a28fc91212b7f95052234f4e137446203a68a071562067b5af26c458ab