[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-1.38-1/sources/1.37.0/gh/ezksd/combinator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ezksd/combinator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ezksd/combinator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ezksd/combinator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ezksd/combinator 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 ezksd/combinator
[INFO] finished frobbing ezksd/combinator
[INFO] frobbed toml for ezksd/combinator written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 ezksd/combinator 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 92b0a9d2ebee08fd22a6289d445b7ec1ed7ff5dbc96c0df96aa62a444fd273e1
[INFO] running `"docker" "start" "-a" "92b0a9d2ebee08fd22a6289d445b7ec1ed7ff5dbc96c0df96aa62a444fd273e1"`
[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 3.45s
[INFO] running `"docker" "inspect" "92b0a9d2ebee08fd22a6289d445b7ec1ed7ff5dbc96c0df96aa62a444fd273e1"`
[INFO] running `"docker" "rm" "-f" "92b0a9d2ebee08fd22a6289d445b7ec1ed7ff5dbc96c0df96aa62a444fd273e1"`
[INFO] [stdout] 92b0a9d2ebee08fd22a6289d445b7ec1ed7ff5dbc96c0df96aa62a444fd273e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5721a4d95976df4ee07e94bf06ed36b444eed27934bcfb7eb5e700bbdcb87f62
[INFO] running `"docker" "start" "-a" "5721a4d95976df4ee07e94bf06ed36b444eed27934bcfb7eb5e700bbdcb87f62"`
[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 1.99s
[INFO] running `"docker" "inspect" "5721a4d95976df4ee07e94bf06ed36b444eed27934bcfb7eb5e700bbdcb87f62"`
[INFO] running `"docker" "rm" "-f" "5721a4d95976df4ee07e94bf06ed36b444eed27934bcfb7eb5e700bbdcb87f62"`
[INFO] [stdout] 5721a4d95976df4ee07e94bf06ed36b444eed27934bcfb7eb5e700bbdcb87f62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1ef2daa15299965d97ee00cc97579697699f9ca60bba34dfed9c90e4d6685ce6
[INFO] running `"docker" "start" "-a" "1ef2daa15299965d97ee00cc97579697699f9ca60bba34dfed9c90e4d6685ce6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/combinator-04db385328109dd7
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/combinator-ccf34ce34ce887fc
[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" "1ef2daa15299965d97ee00cc97579697699f9ca60bba34dfed9c90e4d6685ce6"`
[INFO] running `"docker" "rm" "-f" "1ef2daa15299965d97ee00cc97579697699f9ca60bba34dfed9c90e4d6685ce6"`
[INFO] [stdout] 1ef2daa15299965d97ee00cc97579697699f9ca60bba34dfed9c90e4d6685ce6