[INFO] crate colored_json 2.0.0 is already in cache
[INFO] extracting crate colored_json 2.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/colored_json/2.0.0
[INFO] extracting crate colored_json 2.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/colored_json/2.0.0
[INFO] validating manifest of colored_json-2.0.0 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 colored_json-2.0.0 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 colored_json-2.0.0
[INFO] finished frobbing colored_json-2.0.0
[INFO] frobbed toml for colored_json-2.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/colored_json/2.0.0/Cargo.toml
[INFO] started frobbing colored_json-2.0.0
[INFO] finished frobbing colored_json-2.0.0
[INFO] frobbed toml for colored_json-2.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/colored_json/2.0.0/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 colored_json-2.0.0 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/colored_json/2.0.0:/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] 9cfc5cd2f2b9467a0c895cf1b34b33cdc4a80c81fe21df79d787a00a7f3389fb
[INFO] running `"docker" "start" "-a" "9cfc5cd2f2b9467a0c895cf1b34b33cdc4a80c81fe21df79d787a00a7f3389fb"`
[INFO] [stderr]    Compiling colored_json v2.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "9cfc5cd2f2b9467a0c895cf1b34b33cdc4a80c81fe21df79d787a00a7f3389fb"`
[INFO] running `"docker" "rm" "-f" "9cfc5cd2f2b9467a0c895cf1b34b33cdc4a80c81fe21df79d787a00a7f3389fb"`
[INFO] [stdout] 9cfc5cd2f2b9467a0c895cf1b34b33cdc4a80c81fe21df79d787a00a7f3389fb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/colored_json/2.0.0:/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] 271b5a57f7aca187c0e033be6b16fc38984563956ea94f0c426d233205145001
[INFO] running `"docker" "start" "-a" "271b5a57f7aca187c0e033be6b16fc38984563956ea94f0c426d233205145001"`
[INFO] [stderr]    Compiling colored_json v2.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> examples/color.rs:6:44
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn main() -> ::std::result::Result<(), Box<::std::error::Error>> {
[INFO] [stderr]   |                                            ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::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/test.rs:8:48
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn test_display_json_value() -> Result<(), 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/test.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 | fn test_trait() -> Result<(), 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/test.rs:50:39
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn test_trait_err() -> Result<(), 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/test.rs:72:45
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn test_trait_color_off() -> Result<(), 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/test.rs:94:42
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn test_trait_styler() -> Result<(), 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/test.rs:127:52
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn test_trait_styler_color_off() -> Result<(), 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/test.rs:160:36
[INFO] [stderr]     |
[INFO] [stderr] 160 | fn test_writer() -> Result<(), 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/test.rs:183:36
[INFO] [stderr]     |
[INFO] [stderr] 183 | fn test_styler() -> Result<(), 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/test.rs:224:45
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn test_styler_no_color() -> Result<(), 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/test.rs:268:44
[INFO] [stderr]     |
[INFO] [stderr] 268 | fn test_styler_compact() -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "271b5a57f7aca187c0e033be6b16fc38984563956ea94f0c426d233205145001"`
[INFO] running `"docker" "rm" "-f" "271b5a57f7aca187c0e033be6b16fc38984563956ea94f0c426d233205145001"`
[INFO] [stdout] 271b5a57f7aca187c0e033be6b16fc38984563956ea94f0c426d233205145001
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/colored_json/2.0.0:/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] 8f6bc9b887d134cb99fab3b4c68658ee322110930f9b1a12ff9c6ca893e18e8b
[INFO] running `"docker" "start" "-a" "8f6bc9b887d134cb99fab3b4c68658ee322110930f9b1a12ff9c6ca893e18e8b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/colored_json-21a0f39c70f8e2a0
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test::test_styler_compact ... ok
[INFO] [stdout] test test::test_trait_err ... ok
[INFO] [stdout] test test::test_styler ... ok
[INFO] [stdout] test test::test_trait ... ok
[INFO] [stdout] test test::test_styler_no_color ... ok
[INFO] [stdout] test test::test_display_json_value ... ok
[INFO] [stdout] test test::test_trait_styler_color_off ... ok
[INFO] [stdout] test test::test_trait_color_off ... ok
[INFO] [stdout] test test::test_trait_styler ... ok
[INFO] [stdout] test test::test_writer ... ok
[INFO] [stderr]    Doc-tests colored_json
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] test src/lib.rs - ColorMode::eval (line 761) ... ok
[INFO] [stdout] test src/lib.rs - ColorMode (line 728) ... ok
[INFO] [stdout] test src/lib.rs -  (line 40) ... ok
[INFO] [stdout] test src/lib.rs - ColorMode::use_color (line 780) ... ok
[INFO] [stdout] test src/lib.rs -  (line 15) ... ok
[INFO] [stdout] test src/lib.rs -  (line 63) ... ok
[INFO] [stdout] test src/lib.rs -  (line 98) ... 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" "8f6bc9b887d134cb99fab3b4c68658ee322110930f9b1a12ff9c6ca893e18e8b"`
[INFO] running `"docker" "rm" "-f" "8f6bc9b887d134cb99fab3b4c68658ee322110930f9b1a12ff9c6ca893e18e8b"`
[INFO] [stdout] 8f6bc9b887d134cb99fab3b4c68658ee322110930f9b1a12ff9c6ca893e18e8b