[INFO] updating cached repository kevingimbel/fakedata_generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kevingimbel/fakedata_generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kevingimbel/fakedata_generator" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/kevingimbel/fakedata_generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/kevingimbel/fakedata_generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kevingimbel/fakedata_generator" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/kevingimbel/fakedata_generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/kevingimbel/fakedata_generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f197e8908f6af8c68b6e0fd4679a0221585c483e
[INFO] sha for GitHub repo kevingimbel/fakedata_generator: f197e8908f6af8c68b6e0fd4679a0221585c483e
[INFO] validating manifest of kevingimbel/fakedata_generator on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kevingimbel/fakedata_generator on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kevingimbel/fakedata_generator
[INFO] finished frobbing kevingimbel/fakedata_generator
[INFO] frobbed toml for kevingimbel/fakedata_generator written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/kevingimbel/fakedata_generator/Cargo.toml
[INFO] started frobbing kevingimbel/fakedata_generator
[INFO] finished frobbing kevingimbel/fakedata_generator
[INFO] frobbed toml for kevingimbel/fakedata_generator written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/kevingimbel/fakedata_generator/Cargo.toml
[INFO] crate kevingimbel/fakedata_generator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kevingimbel/fakedata_generator against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/kevingimbel/fakedata_generator:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c5242b531a39bbcefa87120ddd3d51d922247f176f8a8e76e6e914a56d5853dd
[INFO] running `"docker" "start" "-a" "c5242b531a39bbcefa87120ddd3d51d922247f176f8a8e76e6e914a56d5853dd"`
[INFO] [stderr]     Checking serde v1.0.89
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.6
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking fakedata_generator v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/corpora.rs:21:54
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn get_dataset(key: &str) -> Result<JSONDataset, 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/corpora.rs:21:54
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn get_dataset(key: &str) -> Result<JSONDataset, 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] error[E0463]: can't find crate for `generator`
[INFO] [stderr]  --> benches/generator_benchmark.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | extern crate generator;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `fakedata_generator`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c5242b531a39bbcefa87120ddd3d51d922247f176f8a8e76e6e914a56d5853dd"`
[INFO] running `"docker" "rm" "-f" "c5242b531a39bbcefa87120ddd3d51d922247f176f8a8e76e6e914a56d5853dd"`
[INFO] [stdout] c5242b531a39bbcefa87120ddd3d51d922247f176f8a8e76e6e914a56d5853dd