[INFO] updating cached repository jeizsm/telegram-bot-types-parser
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jeizsm/telegram-bot-types-parser
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jeizsm/telegram-bot-types-parser" "work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/telegram-bot-types-parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/telegram-bot-types-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jeizsm/telegram-bot-types-parser" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeizsm/telegram-bot-types-parser"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeizsm/telegram-bot-types-parser'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7aaa4356d922ffe3ef8c0d8e867303e2e9d6599a
[INFO] sha for GitHub repo jeizsm/telegram-bot-types-parser: 7aaa4356d922ffe3ef8c0d8e867303e2e9d6599a
[INFO] validating manifest of jeizsm/telegram-bot-types-parser 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 jeizsm/telegram-bot-types-parser 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 jeizsm/telegram-bot-types-parser
[INFO] finished frobbing jeizsm/telegram-bot-types-parser
[INFO] frobbed toml for jeizsm/telegram-bot-types-parser written to work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/telegram-bot-types-parser/Cargo.toml
[INFO] started frobbing jeizsm/telegram-bot-types-parser
[INFO] finished frobbing jeizsm/telegram-bot-types-parser
[INFO] frobbed toml for jeizsm/telegram-bot-types-parser written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeizsm/telegram-bot-types-parser/Cargo.toml
[INFO] crate jeizsm/telegram-bot-types-parser 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jeizsm/telegram-bot-types-parser 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/telegram-bot-types-parser:/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] 31594bd1c22ece9ea69f9468cffcd6f80fb6028aab5d590ef41e2563a258ce81
[INFO] running `"docker" "start" "-a" "31594bd1c22ece9ea69f9468cffcd6f80fb6028aab5d590ef41e2563a258ce81"`
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling phf v0.7.22
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling codegen v0.1.0 (https://github.com/jeizsm/codegen?branch=issue-3-and-4-field-documentation-annotation#244bcc5e)
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling cssparser v0.23.10
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling selectors v0.19.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling cssparser-macros v0.3.4
[INFO] [stderr] warning[E0506]: cannot assign to `self.input.cached_token` because it is borrowed
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.23.10/src/parser.rs:572:17
[INFO] [stderr]     |
[INFO] [stderr] 547 |     pub fn next_including_whitespace_and_comments(&mut self) -> Result<&Token<'i>, BasicParseError<'i>> {
[INFO] [stderr]     |                                                   - let's call the lifetime of this reference `'1`
[INFO] [stderr] ...
[INFO] [stderr] 560 |             Some(ref cached_token)
[INFO] [stderr]     |                  ---------------- borrow of `self.input.cached_token` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 572 |                 self.input.cached_token = Some(CachedToken {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^ assignment to borrowed `self.input.cached_token` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 584 |         Ok(token)
[INFO] [stderr]     |         --------- returning this value requires that `self.input.cached_token.0` is borrowed for `'1`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling markup5ever v0.7.2
[INFO] [stderr]    Compiling html5ever v0.22.3
[INFO] [stderr]    Compiling kuchiki v0.7.0
[INFO] [stderr]    Compiling telegram-bot-types-parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/converter.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let mut variants;
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.74s
[INFO] running `"docker" "inspect" "31594bd1c22ece9ea69f9468cffcd6f80fb6028aab5d590ef41e2563a258ce81"`
[INFO] running `"docker" "rm" "-f" "31594bd1c22ece9ea69f9468cffcd6f80fb6028aab5d590ef41e2563a258ce81"`
[INFO] [stdout] 31594bd1c22ece9ea69f9468cffcd6f80fb6028aab5d590ef41e2563a258ce81
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/telegram-bot-types-parser:/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] d7e0413b8c1646e91d8fa5c13921120ff2f505812a15d1b4e5ea59ddcd598885
[INFO] running `"docker" "start" "-a" "d7e0413b8c1646e91d8fa5c13921120ff2f505812a15d1b4e5ea59ddcd598885"`
[INFO] [stderr]    Compiling telegram-bot-types-parser v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/converter.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let mut variants;
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "d7e0413b8c1646e91d8fa5c13921120ff2f505812a15d1b4e5ea59ddcd598885"`
[INFO] running `"docker" "rm" "-f" "d7e0413b8c1646e91d8fa5c13921120ff2f505812a15d1b4e5ea59ddcd598885"`
[INFO] [stdout] d7e0413b8c1646e91d8fa5c13921120ff2f505812a15d1b4e5ea59ddcd598885
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jeizsm/telegram-bot-types-parser:/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] f510a3e76a79507bff5f55993b0bdaa06d366524068d29fe3ba51f27e6259e77
[INFO] running `"docker" "start" "-a" "f510a3e76a79507bff5f55993b0bdaa06d366524068d29fe3ba51f27e6259e77"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/telegram_bot_types_parser-b33beb1283c07ba1
[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" "f510a3e76a79507bff5f55993b0bdaa06d366524068d29fe3ba51f27e6259e77"`
[INFO] running `"docker" "rm" "-f" "f510a3e76a79507bff5f55993b0bdaa06d366524068d29fe3ba51f27e6259e77"`
[INFO] [stdout] f510a3e76a79507bff5f55993b0bdaa06d366524068d29fe3ba51f27e6259e77