[INFO] updating cached repository badlydrawnrod/timeliner
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/badlydrawnrod/timeliner
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/badlydrawnrod/timeliner" "work/ex/beta-1.37-6/sources/1.36.0/gh/badlydrawnrod/timeliner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/badlydrawnrod/timeliner'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/badlydrawnrod/timeliner" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badlydrawnrod/timeliner"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badlydrawnrod/timeliner'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5baf2d8e674d6e4875992c02349b23d15fadee57
[INFO] sha for GitHub repo badlydrawnrod/timeliner: 5baf2d8e674d6e4875992c02349b23d15fadee57
[INFO] validating manifest of badlydrawnrod/timeliner 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 badlydrawnrod/timeliner 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 badlydrawnrod/timeliner
[INFO] finished frobbing badlydrawnrod/timeliner
[INFO] frobbed toml for badlydrawnrod/timeliner written to work/ex/beta-1.37-6/sources/1.36.0/gh/badlydrawnrod/timeliner/Cargo.toml
[INFO] started frobbing badlydrawnrod/timeliner
[INFO] finished frobbing badlydrawnrod/timeliner
[INFO] frobbed toml for badlydrawnrod/timeliner written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/badlydrawnrod/timeliner/Cargo.toml
[INFO] crate badlydrawnrod/timeliner 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing badlydrawnrod/timeliner 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-6/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/badlydrawnrod/timeliner:/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] 340a0ecd46a2e383e9be43d73d725af07fce1da56952e2a53d8f2d3fb0610cd9
[INFO] running `"docker" "start" "-a" "340a0ecd46a2e383e9be43d73d725af07fce1da56952e2a53d8f2d3fb0610cd9"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling encoding_rs v0.8.4
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.4
[INFO] [stderr]    Compiling timeliner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut reader = BufReader::new(f);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut utf8_line_reader = Utf8LineReader::new(reader)?;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut log_line_reader = LogFileReader::new(filename, utf8_line_reader);
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `"docker" "inspect" "340a0ecd46a2e383e9be43d73d725af07fce1da56952e2a53d8f2d3fb0610cd9"`
[INFO] running `"docker" "rm" "-f" "340a0ecd46a2e383e9be43d73d725af07fce1da56952e2a53d8f2d3fb0610cd9"`
[INFO] [stdout] 340a0ecd46a2e383e9be43d73d725af07fce1da56952e2a53d8f2d3fb0610cd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/badlydrawnrod/timeliner:/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] 15b028571fc8b7900c6f7618da0f7e786ca9ceea32ce8e938593882ce350f8cd
[INFO] running `"docker" "start" "-a" "15b028571fc8b7900c6f7618da0f7e786ca9ceea32ce8e938593882ce350f8cd"`
[INFO] [stderr]    Compiling timeliner v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |         let mut reader = BufReader::new(f);
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         let mut utf8_line_reader = Utf8LineReader::new(reader)?;
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mut log_line_reader = LogFileReader::new(filename, utf8_line_reader);
[INFO] [stderr]    |             ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "15b028571fc8b7900c6f7618da0f7e786ca9ceea32ce8e938593882ce350f8cd"`
[INFO] running `"docker" "rm" "-f" "15b028571fc8b7900c6f7618da0f7e786ca9ceea32ce8e938593882ce350f8cd"`
[INFO] [stdout] 15b028571fc8b7900c6f7618da0f7e786ca9ceea32ce8e938593882ce350f8cd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/badlydrawnrod/timeliner:/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] 3052859301c5b0de8a6dc499a024f51757ec0c8531f00cc4c6e1741cc8c787f8
[INFO] running `"docker" "start" "-a" "3052859301c5b0de8a6dc499a024f51757ec0c8531f00cc4c6e1741cc8c787f8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/timeliner-332a2e15bf139330
[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" "3052859301c5b0de8a6dc499a024f51757ec0c8531f00cc4c6e1741cc8c787f8"`
[INFO] running `"docker" "rm" "-f" "3052859301c5b0de8a6dc499a024f51757ec0c8531f00cc4c6e1741cc8c787f8"`
[INFO] [stdout] 3052859301c5b0de8a6dc499a024f51757ec0c8531f00cc4c6e1741cc8c787f8