[INFO] crate fakedata_generator 0.2.2 is already in cache
[INFO] extracting crate fakedata_generator 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/fakedata_generator/0.2.2
[INFO] extracting crate fakedata_generator 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fakedata_generator/0.2.2
[INFO] validating manifest of fakedata_generator-0.2.2 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 fakedata_generator-0.2.2 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 fakedata_generator-0.2.2
[INFO] finished frobbing fakedata_generator-0.2.2
[INFO] frobbed toml for fakedata_generator-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fakedata_generator/0.2.2/Cargo.toml
[INFO] started frobbing fakedata_generator-0.2.2
[INFO] finished frobbing fakedata_generator-0.2.2
[INFO] frobbed toml for fakedata_generator-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fakedata_generator/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 fakedata_generator-0.2.2 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fakedata_generator/0.2.2:/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] 2fccbfadb8c977fa96bb9b62ea880dc1c30652bb6bed9940536539790cafcd46
[INFO] running `"docker" "start" "-a" "2fccbfadb8c977fa96bb9b62ea880dc1c30652bb6bed9940536539790cafcd46"`
[INFO] [stderr]    Compiling fakedata_generator v0.2.2 (/opt/crater/workdir)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "2fccbfadb8c977fa96bb9b62ea880dc1c30652bb6bed9940536539790cafcd46"`
[INFO] running `"docker" "rm" "-f" "2fccbfadb8c977fa96bb9b62ea880dc1c30652bb6bed9940536539790cafcd46"`
[INFO] [stdout] 2fccbfadb8c977fa96bb9b62ea880dc1c30652bb6bed9940536539790cafcd46
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fakedata_generator/0.2.2:/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] 8210a256187cd7d4d3641ad28e7d8ea06d059ce653556f507eceabbd0822b5b1
[INFO] running `"docker" "start" "-a" "8210a256187cd7d4d3641ad28e7d8ea06d059ce653556f507eceabbd0822b5b1"`
[INFO] [stderr]    Compiling bstr v0.2.7
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling fakedata_generator v0.2.2 (/opt/crater/workdir)
[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]     Finished dev [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `"docker" "inspect" "8210a256187cd7d4d3641ad28e7d8ea06d059ce653556f507eceabbd0822b5b1"`
[INFO] running `"docker" "rm" "-f" "8210a256187cd7d4d3641ad28e7d8ea06d059ce653556f507eceabbd0822b5b1"`
[INFO] [stdout] 8210a256187cd7d4d3641ad28e7d8ea06d059ce653556f507eceabbd0822b5b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fakedata_generator/0.2.2:/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] aa8d3d87f5f70ebe37edadaa69d253dd8bdda982286b331ace7c69193ffd053d
[INFO] running `"docker" "start" "-a" "aa8d3d87f5f70ebe37edadaa69d253dd8bdda982286b331ace7c69193ffd053d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fakedata_generator-4725b7ab913bc580
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_gen_int ... ok
[INFO] [stdout] test tests::test_gen_enum ... ok
[INFO] [stdout] test tests::test_gen_http_method ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fakedata_generator
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - gen_enum (line 75) ... ok
[INFO] [stdout] test src/lib.rs - gen_username (line 14) ... ok
[INFO] [stdout] test src/lib.rs - gen_int (line 123) ... ok
[INFO] [stdout] test src/lib.rs - gen_ipv4 (line 157) ... ok
[INFO] [stdout] test src/lib.rs - gen_http_method (line 102) ... ok
[INFO] [stdout] test src/lib.rs - gen_email (line 60) ... ok
[INFO] [stdout] test src/corpora.rs - corpora::gen_corpora_switch (line 53) ... ok
[INFO] [stdout] test src/lib.rs - gen_domain (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "aa8d3d87f5f70ebe37edadaa69d253dd8bdda982286b331ace7c69193ffd053d"`
[INFO] running `"docker" "rm" "-f" "aa8d3d87f5f70ebe37edadaa69d253dd8bdda982286b331ace7c69193ffd053d"`
[INFO] [stdout] aa8d3d87f5f70ebe37edadaa69d253dd8bdda982286b331ace7c69193ffd053d