[INFO] updating cached repository mklf/bert_tokenizer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mklf/bert_tokenizer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mklf/bert_tokenizer" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mklf/bert_tokenizer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mklf/bert_tokenizer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mklf/bert_tokenizer" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mklf/bert_tokenizer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mklf/bert_tokenizer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db07849c04e6fdf60405fcb0ee97a69acc0a8b85
[INFO] sha for GitHub repo mklf/bert_tokenizer: db07849c04e6fdf60405fcb0ee97a69acc0a8b85
[INFO] validating manifest of mklf/bert_tokenizer on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mklf/bert_tokenizer on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mklf/bert_tokenizer
[INFO] finished frobbing mklf/bert_tokenizer
[INFO] frobbed toml for mklf/bert_tokenizer written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/mklf/bert_tokenizer/Cargo.toml
[INFO] started frobbing mklf/bert_tokenizer
[INFO] finished frobbing mklf/bert_tokenizer
[INFO] frobbed toml for mklf/bert_tokenizer written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mklf/bert_tokenizer/Cargo.toml
[INFO] crate mklf/bert_tokenizer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mklf/bert_tokenizer against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-0/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/mklf/bert_tokenizer:/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=forbid" "-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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aa39acdb33cdee2a3a7eae92d76f30a4751dd6d9f8e170033ec42b886402e66c
[INFO] running `"docker" "start" "-a" "aa39acdb33cdee2a3a7eae92d76f30a4751dd6d9f8e170033ec42b886402e66c"`
[INFO] [stderr]     Checking bert_tokenizer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tokenization.rs:266:90
[INFO] [stderr]     |
[INFO] [stderr] 266 |                                                            IndexMap<usize, String>), Box<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/tokenization.rs:288:96
[INFO] [stderr]     |
[INFO] [stderr] 288 |     pub fn new<T: AsRef<str>>(vocab_file: T, do_lower_case: bool) -> Result<FullTokenizer, Box<Error>> {
[INFO] [stderr]     |                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tokenization.rs:266:90
[INFO] [stderr]     |
[INFO] [stderr] 266 |                                                            IndexMap<usize, String>), Box<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/tokenization.rs:288:96
[INFO] [stderr]     |
[INFO] [stderr] 288 |     pub fn new<T: AsRef<str>>(vocab_file: T, do_lower_case: bool) -> Result<FullTokenizer, Box<Error>> {
[INFO] [stderr]     |                                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "aa39acdb33cdee2a3a7eae92d76f30a4751dd6d9f8e170033ec42b886402e66c"`
[INFO] running `"docker" "rm" "-f" "aa39acdb33cdee2a3a7eae92d76f30a4751dd6d9f8e170033ec42b886402e66c"`
[INFO] [stdout] aa39acdb33cdee2a3a7eae92d76f30a4751dd6d9f8e170033ec42b886402e66c