[INFO] updating cached repository 0ncorhynchus/cafemake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/0ncorhynchus/cafemake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/0ncorhynchus/cafemake" "work/ex/beta-1.38-1/sources/1.37.0/gh/0ncorhynchus/cafemake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/0ncorhynchus/cafemake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/0ncorhynchus/cafemake" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0ncorhynchus/cafemake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0ncorhynchus/cafemake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b5173d199c7d65e37cf4e89d6debe801bdf8db09
[INFO] sha for GitHub repo 0ncorhynchus/cafemake: b5173d199c7d65e37cf4e89d6debe801bdf8db09
[INFO] validating manifest of 0ncorhynchus/cafemake 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 0ncorhynchus/cafemake 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 0ncorhynchus/cafemake
[INFO] finished frobbing 0ncorhynchus/cafemake
[INFO] frobbed toml for 0ncorhynchus/cafemake written to work/ex/beta-1.38-1/sources/1.37.0/gh/0ncorhynchus/cafemake/Cargo.toml
[INFO] started frobbing 0ncorhynchus/cafemake
[INFO] finished frobbing 0ncorhynchus/cafemake
[INFO] frobbed toml for 0ncorhynchus/cafemake written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/0ncorhynchus/cafemake/Cargo.toml
[INFO] crate 0ncorhynchus/cafemake 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 0ncorhynchus/cafemake 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0ncorhynchus/cafemake:/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] f4d486556bb1ddf1c43aa218fb1667600b931e4c21f68590f69e5700ac83ef4f
[INFO] running `"docker" "start" "-a" "f4d486556bb1ddf1c43aa218fb1667600b931e4c21f68590f69e5700ac83ef4f"`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling cafemake v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core.rs:161:37
[INFO] [stderr]     |
[INFO] [stderr] 161 | fn visit_dirs(dir: PathBuf, f: &mut FnMut(PathBuf)) -> io::Result<()> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(PathBuf)`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `mod_proc_re` should have an upper case name
[INFO] [stderr]    --> src/core.rs:196:20
[INFO] [stderr]     |
[INFO] [stderr] 196 |         static ref mod_proc_re: Regex =
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `MOD_PROC_RE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `mod_re` should have an upper case name
[INFO] [stderr]    --> src/core.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |         static ref mod_re: Regex = Regex::new(r"^\s*module\s+([[:alpha:]][[:word:]]*)")
[INFO] [stderr]     |                    ^^^^^^ help: convert the identifier to upper case: `MOD_RE`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `use_re` should have an upper case name
[INFO] [stderr]    --> src/core.rs:215:20
[INFO] [stderr]     |
[INFO] [stderr] 215 |         static ref use_re: Regex = Regex::new(r"^\s*use\s+([[:alpha:]][[:word:]]*)")
[INFO] [stderr]     |                    ^^^^^^ help: convert the identifier to upper case: `USE_RE`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.37s
[INFO] running `"docker" "inspect" "f4d486556bb1ddf1c43aa218fb1667600b931e4c21f68590f69e5700ac83ef4f"`
[INFO] running `"docker" "rm" "-f" "f4d486556bb1ddf1c43aa218fb1667600b931e4c21f68590f69e5700ac83ef4f"`
[INFO] [stdout] f4d486556bb1ddf1c43aa218fb1667600b931e4c21f68590f69e5700ac83ef4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0ncorhynchus/cafemake:/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] 1b29b634a40c313b3e98c6fd47349f6c55496a979257ecf7f4d74891cd23e1c9
[INFO] running `"docker" "start" "-a" "1b29b634a40c313b3e98c6fd47349f6c55496a979257ecf7f4d74891cd23e1c9"`
[INFO] [stderr]    Compiling cafemake v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:43:32
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/core.rs:161:37
[INFO] [stderr]     |
[INFO] [stderr] 161 | fn visit_dirs(dir: PathBuf, f: &mut FnMut(PathBuf)) -> io::Result<()> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(PathBuf)`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `mod_proc_re` should have an upper case name
[INFO] [stderr]    --> src/core.rs:196:20
[INFO] [stderr]     |
[INFO] [stderr] 196 |         static ref mod_proc_re: Regex =
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: convert the identifier to upper case: `MOD_PROC_RE`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `mod_re` should have an upper case name
[INFO] [stderr]    --> src/core.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |         static ref mod_re: Regex = Regex::new(r"^\s*module\s+([[:alpha:]][[:word:]]*)")
[INFO] [stderr]     |                    ^^^^^^ help: convert the identifier to upper case: `MOD_RE`
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `use_re` should have an upper case name
[INFO] [stderr]    --> src/core.rs:215:20
[INFO] [stderr]     |
[INFO] [stderr] 215 |         static ref use_re: Regex = Regex::new(r"^\s*use\s+([[:alpha:]][[:word:]]*)")
[INFO] [stderr]     |                    ^^^^^^ help: convert the identifier to upper case: `USE_RE`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `"docker" "inspect" "1b29b634a40c313b3e98c6fd47349f6c55496a979257ecf7f4d74891cd23e1c9"`
[INFO] running `"docker" "rm" "-f" "1b29b634a40c313b3e98c6fd47349f6c55496a979257ecf7f4d74891cd23e1c9"`
[INFO] [stdout] 1b29b634a40c313b3e98c6fd47349f6c55496a979257ecf7f4d74891cd23e1c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/0ncorhynchus/cafemake:/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] 14ac02c7fc8d7c092715b0ba1a9a61929f313faa5639aa645f3c99fc3d984cf5
[INFO] running `"docker" "start" "-a" "14ac02c7fc8d7c092715b0ba1a9a61929f313faa5639aa645f3c99fc3d984cf5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cafemake-cc6a74e2a65eab59
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test core::tests::test_get_used_module ... ok
[INFO] [stdout] test core::tests::test_get_defined_module ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "14ac02c7fc8d7c092715b0ba1a9a61929f313faa5639aa645f3c99fc3d984cf5"`
[INFO] running `"docker" "rm" "-f" "14ac02c7fc8d7c092715b0ba1a9a61929f313faa5639aa645f3c99fc3d984cf5"`
[INFO] [stdout] 14ac02c7fc8d7c092715b0ba1a9a61929f313faa5639aa645f3c99fc3d984cf5