[INFO] updating cached repository ezksd/combinator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ezksd/combinator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ezksd/combinator" "work/ex/beta-1.37-6/sources/1.36.0/gh/ezksd/combinator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ezksd/combinator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ezksd/combinator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ezksd/combinator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ezksd/combinator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2989e2e8fc92c9c8b1b4c949d9d8cc0b4de1986
[INFO] sha for GitHub repo ezksd/combinator: a2989e2e8fc92c9c8b1b4c949d9d8cc0b4de1986
[INFO] validating manifest of ezksd/combinator 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 ezksd/combinator 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 ezksd/combinator
[INFO] finished frobbing ezksd/combinator
[INFO] frobbed toml for ezksd/combinator written to work/ex/beta-1.37-6/sources/1.36.0/gh/ezksd/combinator/Cargo.toml
[INFO] started frobbing ezksd/combinator
[INFO] finished frobbing ezksd/combinator
[INFO] frobbed toml for ezksd/combinator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ezksd/combinator/Cargo.toml
[INFO] crate ezksd/combinator 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ezksd/combinator 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-2/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/ezksd/combinator:/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] 1ccbb2db95435f86e4683dc29ab79c06939b57635df423cb55e804dfb7238850
[INFO] running `"docker" "start" "-a" "1ccbb2db95435f86e4683dc29ab79c06939b57635df423cb55e804dfb7238850"`
[INFO] [stderr]    Compiling combinator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/chars.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut v: Vec<Box<Parser<Input = _, Output = _>>> = Vec::new();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = _, Output = _>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `"docker" "inspect" "1ccbb2db95435f86e4683dc29ab79c06939b57635df423cb55e804dfb7238850"`
[INFO] running `"docker" "rm" "-f" "1ccbb2db95435f86e4683dc29ab79c06939b57635df423cb55e804dfb7238850"`
[INFO] [stdout] 1ccbb2db95435f86e4683dc29ab79c06939b57635df423cb55e804dfb7238850
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/ezksd/combinator:/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] 22f3b04c7d6497c99c5afaec73d665bbb3581589c03f513b7c21957627492469
[INFO] running `"docker" "start" "-a" "22f3b04c7d6497c99c5afaec73d665bbb3581589c03f513b7c21957627492469"`
[INFO] [stderr]    Compiling combinator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser/chars.rs:49:24
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut v: Vec<Box<Parser<Input = _, Output = _>>> = Vec::new();
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Parser<Input = _, Output = _>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `"docker" "inspect" "22f3b04c7d6497c99c5afaec73d665bbb3581589c03f513b7c21957627492469"`
[INFO] running `"docker" "rm" "-f" "22f3b04c7d6497c99c5afaec73d665bbb3581589c03f513b7c21957627492469"`
[INFO] [stdout] 22f3b04c7d6497c99c5afaec73d665bbb3581589c03f513b7c21957627492469
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/ezksd/combinator:/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] 3700766632e3b16bea5ecbe9b4b72403626adb804c8c431f36e757d19b519c4d
[INFO] running `"docker" "start" "-a" "3700766632e3b16bea5ecbe9b4b72403626adb804c8c431f36e757d19b519c4d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/combinator-ae9cb199508c340a
[INFO] [stderr]      Running /opt/crater/target/debug/deps/combinator-24cd1c03c41af6c7
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_json ... ok
[INFO] [stdout] test test::test_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests combinator
[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" "3700766632e3b16bea5ecbe9b4b72403626adb804c8c431f36e757d19b519c4d"`
[INFO] running `"docker" "rm" "-f" "3700766632e3b16bea5ecbe9b4b72403626adb804c8c431f36e757d19b519c4d"`
[INFO] [stdout] 3700766632e3b16bea5ecbe9b4b72403626adb804c8c431f36e757d19b519c4d