[INFO] updating cached repository mdenchev/langlang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdenchev/langlang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdenchev/langlang" "work/ex/beta-1.37-6/sources/1.36.0/gh/mdenchev/langlang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mdenchev/langlang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdenchev/langlang" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdenchev/langlang"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdenchev/langlang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f9caa02da4af1c77ccca047b8bc77e71a553104f
[INFO] sha for GitHub repo mdenchev/langlang: f9caa02da4af1c77ccca047b8bc77e71a553104f
[INFO] validating manifest of mdenchev/langlang 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 mdenchev/langlang 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 mdenchev/langlang
[INFO] finished frobbing mdenchev/langlang
[INFO] frobbed toml for mdenchev/langlang written to work/ex/beta-1.37-6/sources/1.36.0/gh/mdenchev/langlang/Cargo.toml
[INFO] started frobbing mdenchev/langlang
[INFO] finished frobbing mdenchev/langlang
[INFO] frobbed toml for mdenchev/langlang written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdenchev/langlang/Cargo.toml
[INFO] crate mdenchev/langlang 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]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing mdenchev/langlang against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdenchev/langlang:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b56be4d2705cc2bcd8863b327c584632064aab2d8ae42df282e92db8f03a7d79
[INFO] running `"docker" "start" "-a" "b56be4d2705cc2bcd8863b327c584632064aab2d8ae42df282e92db8f03a7d79"`
[INFO] [stderr]    Compiling langlang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn get_numeric(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[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/lexer.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn get_identifier(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn get_comment(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "b56be4d2705cc2bcd8863b327c584632064aab2d8ae42df282e92db8f03a7d79"`
[INFO] running `"docker" "rm" "-f" "b56be4d2705cc2bcd8863b327c584632064aab2d8ae42df282e92db8f03a7d79"`
[INFO] [stdout] b56be4d2705cc2bcd8863b327c584632064aab2d8ae42df282e92db8f03a7d79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdenchev/langlang:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] e2e3f6273a26a3b092bf6a6e4071dc6a3b7a937523bc4508e77c5f259ee84621
[INFO] running `"docker" "start" "-a" "e2e3f6273a26a3b092bf6a6e4071dc6a3b7a937523bc4508e77c5f259ee84621"`
[INFO] [stderr]    Compiling langlang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:12:28
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn get_numeric(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[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/lexer.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn get_identifier(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lexer.rs:27:28
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn get_comment(chars: &mut Iterator<Item=char>) -> Token {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=char>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "e2e3f6273a26a3b092bf6a6e4071dc6a3b7a937523bc4508e77c5f259ee84621"`
[INFO] running `"docker" "rm" "-f" "e2e3f6273a26a3b092bf6a6e4071dc6a3b7a937523bc4508e77c5f259ee84621"`
[INFO] [stdout] e2e3f6273a26a3b092bf6a6e4071dc6a3b7a937523bc4508e77c5f259ee84621
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdenchev/langlang:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] d1ba2fc98c1c28ab3554d6ea78a6a50778ef4809a46fa639ae6bd9c86e546775
[INFO] running `"docker" "start" "-a" "d1ba2fc98c1c28ab3554d6ea78a6a50778ef4809a46fa639ae6bd9c86e546775"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/langlang-de850e856cdd0b10
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test lexer::test::test_comment ... ok
[INFO] [stdout] test lexer::test::test_numeric ... ok
[INFO] [stdout] test lexer::test::test_ident ... ok
[INFO] [stdout] test lexer::test::test_eof ... ok
[INFO] [stdout] test lexer::test::test_def ... ok
[INFO] [stdout] test lexer::test::test_numeric_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/langlang-5f9113aa0ec73544
[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 langlang
[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" "d1ba2fc98c1c28ab3554d6ea78a6a50778ef4809a46fa639ae6bd9c86e546775"`
[INFO] running `"docker" "rm" "-f" "d1ba2fc98c1c28ab3554d6ea78a6a50778ef4809a46fa639ae6bd9c86e546775"`
[INFO] [stdout] d1ba2fc98c1c28ab3554d6ea78a6a50778ef4809a46fa639ae6bd9c86e546775