[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-1.38-1/sources/1.37.0/gh/apopiak/expo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/apopiak/expo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/apopiak/expo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/apopiak/expo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of apopiak/expo 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 apopiak/expo
[INFO] finished frobbing apopiak/expo
[INFO] frobbed toml for apopiak/expo written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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[INFO] the lockfile is outdated, regenerating it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" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 apopiak/expo against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b2ca2f193e9987aa94be241dd0045c18a2f54f803a96ee0d3ebc915f4ca9f3be
[INFO] running `"docker" "start" "-a" "b2ca2f193e9987aa94be241dd0045c18a2f54f803a96ee0d3ebc915f4ca9f3be"`
[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 1.73s
[INFO] running `"docker" "inspect" "b2ca2f193e9987aa94be241dd0045c18a2f54f803a96ee0d3ebc915f4ca9f3be"`
[INFO] running `"docker" "rm" "-f" "b2ca2f193e9987aa94be241dd0045c18a2f54f803a96ee0d3ebc915f4ca9f3be"`
[INFO] [stdout] b2ca2f193e9987aa94be241dd0045c18a2f54f803a96ee0d3ebc915f4ca9f3be
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fbe6e7df8cf3cd8f164ac284bc3086e7c93d7b4422ec2813c8bf5de3d0af023f
[INFO] running `"docker" "start" "-a" "fbe6e7df8cf3cd8f164ac284bc3086e7c93d7b4422ec2813c8bf5de3d0af023f"`
[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 1.19s
[INFO] running `"docker" "inspect" "fbe6e7df8cf3cd8f164ac284bc3086e7c93d7b4422ec2813c8bf5de3d0af023f"`
[INFO] running `"docker" "rm" "-f" "fbe6e7df8cf3cd8f164ac284bc3086e7c93d7b4422ec2813c8bf5de3d0af023f"`
[INFO] [stdout] fbe6e7df8cf3cd8f164ac284bc3086e7c93d7b4422ec2813c8bf5de3d0af023f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 40599e918c32859d751c6cf0062d585278034fe457e12ae0d7d08b4760dc2087
[INFO] running `"docker" "start" "-a" "40599e918c32859d751c6cf0062d585278034fe457e12ae0d7d08b4760dc2087"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/expo-5521e5b465ac67e9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test parser::test::test_simple_parse ... ok
[INFO] [stdout] test parser::test::test_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-2449fb6bea25a571
[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" "40599e918c32859d751c6cf0062d585278034fe457e12ae0d7d08b4760dc2087"`
[INFO] running `"docker" "rm" "-f" "40599e918c32859d751c6cf0062d585278034fe457e12ae0d7d08b4760dc2087"`
[INFO] [stdout] 40599e918c32859d751c6cf0062d585278034fe457e12ae0d7d08b4760dc2087