[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[INFO] the lockfile is outdated, regenerating it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 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 4249cba915cf1164324bd2567ebc87493a101ebd28e06cb3edc7b44b7d0b57c2
[INFO] running `"docker" "start" "-a" "4249cba915cf1164324bd2567ebc87493a101ebd28e06cb3edc7b44b7d0b57c2"`
[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 1.93s
[INFO] running `"docker" "inspect" "4249cba915cf1164324bd2567ebc87493a101ebd28e06cb3edc7b44b7d0b57c2"`
[INFO] running `"docker" "rm" "-f" "4249cba915cf1164324bd2567ebc87493a101ebd28e06cb3edc7b44b7d0b57c2"`
[INFO] [stdout] 4249cba915cf1164324bd2567ebc87493a101ebd28e06cb3edc7b44b7d0b57c2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4d726f89c9caa6e50f6fb30326217df64e3a626611aa897a5c7f9c684e970bea
[INFO] running `"docker" "start" "-a" "4d726f89c9caa6e50f6fb30326217df64e3a626611aa897a5c7f9c684e970bea"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.20s
[INFO] running `"docker" "inspect" "4d726f89c9caa6e50f6fb30326217df64e3a626611aa897a5c7f9c684e970bea"`
[INFO] running `"docker" "rm" "-f" "4d726f89c9caa6e50f6fb30326217df64e3a626611aa897a5c7f9c684e970bea"`
[INFO] [stdout] 4d726f89c9caa6e50f6fb30326217df64e3a626611aa897a5c7f9c684e970bea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3944c16724551e45034d72ae99c37bcf4f3ea61e6ec7308428832bd426adbf0f
[INFO] running `"docker" "start" "-a" "3944c16724551e45034d72ae99c37bcf4f3ea61e6ec7308428832bd426adbf0f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/expo-7c7cb723bded8450
[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] [stderr]      Running /opt/crater/target/debug/deps/expo-ca8dab852a540866
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests expo
[INFO] [stdout] test result: ok. 2 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" "3944c16724551e45034d72ae99c37bcf4f3ea61e6ec7308428832bd426adbf0f"`
[INFO] running `"docker" "rm" "-f" "3944c16724551e45034d72ae99c37bcf4f3ea61e6ec7308428832bd426adbf0f"`
[INFO] [stdout] 3944c16724551e45034d72ae99c37bcf4f3ea61e6ec7308428832bd426adbf0f