[INFO] updating cached repository StelarCF/slancf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/StelarCF/slancf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/StelarCF/slancf" "work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/slancf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/slancf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/StelarCF/slancf" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/StelarCF/slancf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/StelarCF/slancf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2832a239d91bf7ebb7caf74b3792c9c19308b03d
[INFO] sha for GitHub repo StelarCF/slancf: 2832a239d91bf7ebb7caf74b3792c9c19308b03d
[INFO] validating manifest of StelarCF/slancf 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 StelarCF/slancf 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 StelarCF/slancf
[INFO] finished frobbing StelarCF/slancf
[INFO] frobbed toml for StelarCF/slancf written to work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/slancf/Cargo.toml
[INFO] started frobbing StelarCF/slancf
[INFO] finished frobbing StelarCF/slancf
[INFO] frobbed toml for StelarCF/slancf written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/StelarCF/slancf/Cargo.toml
[INFO] crate StelarCF/slancf 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 StelarCF/slancf 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/slancf:/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] dd86c74baf85753bf5bd0cb0dca9235d933762f31aaf5eaf170202ea2ba6d5e7
[INFO] running `"docker" "start" "-a" "dd86c74baf85753bf5bd0cb0dca9235d933762f31aaf5eaf170202ea2ba6d5e7"`
[INFO] [stderr]    Compiling slancf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/parser.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         Ok(Type::Empty)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "dd86c74baf85753bf5bd0cb0dca9235d933762f31aaf5eaf170202ea2ba6d5e7"`
[INFO] running `"docker" "rm" "-f" "dd86c74baf85753bf5bd0cb0dca9235d933762f31aaf5eaf170202ea2ba6d5e7"`
[INFO] [stdout] dd86c74baf85753bf5bd0cb0dca9235d933762f31aaf5eaf170202ea2ba6d5e7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/slancf:/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] e6a42ff87603d99cef6ddfc38cf2a8b7b3c2f89165e82831d9a9c5630f89a5de
[INFO] running `"docker" "start" "-a" "e6a42ff87603d99cef6ddfc38cf2a8b7b3c2f89165e82831d9a9c5630f89a5de"`
[INFO] [stderr]    Compiling slancf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/parser.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         Ok(Type::Empty)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "e6a42ff87603d99cef6ddfc38cf2a8b7b3c2f89165e82831d9a9c5630f89a5de"`
[INFO] running `"docker" "rm" "-f" "e6a42ff87603d99cef6ddfc38cf2a8b7b3c2f89165e82831d9a9c5630f89a5de"`
[INFO] [stdout] e6a42ff87603d99cef6ddfc38cf2a8b7b3c2f89165e82831d9a9c5630f89a5de
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/StelarCF/slancf:/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] ed639c5d79fddd72f64dcc6e88babb00b2ea879bef2447cf26838e686a64250f
[INFO] running `"docker" "start" "-a" "ed639c5d79fddd72f64dcc6e88babb00b2ea879bef2447cf26838e686a64250f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/slancf-e9537d410d0d3bdb
[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" "ed639c5d79fddd72f64dcc6e88babb00b2ea879bef2447cf26838e686a64250f"`
[INFO] running `"docker" "rm" "-f" "ed639c5d79fddd72f64dcc6e88babb00b2ea879bef2447cf26838e686a64250f"`
[INFO] [stdout] ed639c5d79fddd72f64dcc6e88babb00b2ea879bef2447cf26838e686a64250f