[INFO] updating cached repository apopiak/expo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/apopiak/expo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/apopiak/expo" "work/ex/beta-1.37-6/sources/1.36.0/gh/apopiak/expo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/apopiak/expo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/apopiak/expo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/apopiak/expo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/apopiak/expo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5841de8fb080493fecb239cc3e1b17967b70a0f
[INFO] sha for GitHub repo apopiak/expo: f5841de8fb080493fecb239cc3e1b17967b70a0f
[INFO] validating manifest of apopiak/expo 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 apopiak/expo 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 apopiak/expo
[INFO] finished frobbing apopiak/expo
[INFO] frobbed toml for apopiak/expo written to work/ex/beta-1.37-6/sources/1.36.0/gh/apopiak/expo/Cargo.toml
[INFO] started frobbing apopiak/expo
[INFO] finished frobbing apopiak/expo
[INFO] frobbed toml for apopiak/expo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/apopiak/expo/Cargo.toml
[INFO] crate apopiak/expo 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] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/apopiak/expo/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 apopiak/expo against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/apopiak/expo:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 403fdf727c4a2b960d713baa253d3b3dc358a1f66dce78c0548ec309a3400e7c
[INFO] running `"docker" "start" "-a" "403fdf727c4a2b960d713baa253d3b3dc358a1f66dce78c0548ec309a3400e7c"`
[INFO] [stderr]    Compiling verex v0.2.2
[INFO] [stderr]    Compiling expo v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `endl`
[INFO] [stderr]   --> src/expo/parser/mod.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         endl: line_ending,
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_endl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "403fdf727c4a2b960d713baa253d3b3dc358a1f66dce78c0548ec309a3400e7c"`
[INFO] running `"docker" "rm" "-f" "403fdf727c4a2b960d713baa253d3b3dc358a1f66dce78c0548ec309a3400e7c"`
[INFO] [stdout] 403fdf727c4a2b960d713baa253d3b3dc358a1f66dce78c0548ec309a3400e7c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/apopiak/expo:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 904d4cae30ee2fd35da66e8dcf1ea1a117dfa3499cff8453b2f39758fe1c7bab
[INFO] running `"docker" "start" "-a" "904d4cae30ee2fd35da66e8dcf1ea1a117dfa3499cff8453b2f39758fe1c7bab"`
[INFO] [stderr]    Compiling expo v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `endl`
[INFO] [stderr]   --> src/expo/parser/mod.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |         endl: line_ending,
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_endl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "904d4cae30ee2fd35da66e8dcf1ea1a117dfa3499cff8453b2f39758fe1c7bab"`
[INFO] running `"docker" "rm" "-f" "904d4cae30ee2fd35da66e8dcf1ea1a117dfa3499cff8453b2f39758fe1c7bab"`
[INFO] [stdout] 904d4cae30ee2fd35da66e8dcf1ea1a117dfa3499cff8453b2f39758fe1c7bab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/apopiak/expo:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 815f4926fddb0c14e7dbe4c02deb0cf7a9c39723a74a938a0db846bb95fa5eab
[INFO] running `"docker" "start" "-a" "815f4926fddb0c14e7dbe4c02deb0cf7a9c39723a74a938a0db846bb95fa5eab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/expo-9fb6c9959b04495e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::test::test_parse ... ok
[INFO] [stdout] test parser::test::test_simple_parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/expo-897e77d2bf67e5fc
[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 expo
[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" "815f4926fddb0c14e7dbe4c02deb0cf7a9c39723a74a938a0db846bb95fa5eab"`
[INFO] running `"docker" "rm" "-f" "815f4926fddb0c14e7dbe4c02deb0cf7a9c39723a74a938a0db846bb95fa5eab"`
[INFO] [stdout] 815f4926fddb0c14e7dbe4c02deb0cf7a9c39723a74a938a0db846bb95fa5eab