[INFO] crate unsegen_jsonviewer 0.2.0 is already in cache
[INFO] extracting crate unsegen_jsonviewer 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/unsegen_jsonviewer/0.2.0
[INFO] extracting crate unsegen_jsonviewer 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unsegen_jsonviewer/0.2.0
[INFO] validating manifest of unsegen_jsonviewer-0.2.0 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 unsegen_jsonviewer-0.2.0 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 unsegen_jsonviewer-0.2.0
[INFO] finished frobbing unsegen_jsonviewer-0.2.0
[INFO] frobbed toml for unsegen_jsonviewer-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/unsegen_jsonviewer/0.2.0/Cargo.toml
[INFO] started frobbing unsegen_jsonviewer-0.2.0
[INFO] finished frobbing unsegen_jsonviewer-0.2.0
[INFO] frobbed toml for unsegen_jsonviewer-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/unsegen_jsonviewer/0.2.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing unsegen_jsonviewer-0.2.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unsegen_jsonviewer/0.2.0:/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] 78aaeb97d72e2e21362a51b28d69b41e6757873089c237b719367a2e073ab4d1
[INFO] running `"docker" "start" "-a" "78aaeb97d72e2e21362a51b28d69b41e6757873089c237b719367a2e073ab4d1"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ndarray v0.8.4
[INFO] [stderr]    Compiling smallvec v0.3.4
[INFO] [stderr]    Compiling nix v0.8.1
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling raw_tty v0.1.0
[INFO] [stderr]    Compiling unsegen v0.2.1
[INFO] [stderr]    Compiling unsegen_jsonviewer v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.00s
[INFO] running `"docker" "inspect" "78aaeb97d72e2e21362a51b28d69b41e6757873089c237b719367a2e073ab4d1"`
[INFO] running `"docker" "rm" "-f" "78aaeb97d72e2e21362a51b28d69b41e6757873089c237b719367a2e073ab4d1"`
[INFO] [stdout] 78aaeb97d72e2e21362a51b28d69b41e6757873089c237b719367a2e073ab4d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unsegen_jsonviewer/0.2.0:/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] 53ad3d225e48ea11a754981ca7d2c4d434533005eefff4929dc493b1fe7da94d
[INFO] running `"docker" "start" "-a" "53ad3d225e48ea11a754981ca7d2c4d434533005eefff4929dc493b1fe7da94d"`
[INFO] [stderr]    Compiling unsegen_jsonviewer v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "53ad3d225e48ea11a754981ca7d2c4d434533005eefff4929dc493b1fe7da94d"`
[INFO] running `"docker" "rm" "-f" "53ad3d225e48ea11a754981ca7d2c4d434533005eefff4929dc493b1fe7da94d"`
[INFO] [stdout] 53ad3d225e48ea11a754981ca7d2c4d434533005eefff4929dc493b1fe7da94d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/unsegen_jsonviewer/0.2.0:/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] 0132ea2d0192ff292051adc6d35292043d252180b496997e84034b9264a1d791
[INFO] running `"docker" "start" "-a" "0132ea2d0192ff292051adc6d35292043d252180b496997e84034b9264a1d791"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/unsegen_jsonviewer-1f4cdd311e4c6b98
[INFO] [stderr]    Doc-tests unsegen_jsonviewer
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test path::test::test_first_path_in ... ok
[INFO] [stdout] test path::test::test_find_and_act_on_element ... ok
[INFO] [stdout] test path::test::test_last_path_in ... ok
[INFO] [stdout] test path::test::test_find_next_path ... ok
[INFO] [stdout] test path::test::test_find_previous_path ... ok
[INFO] [stdout] test path::test::test_fix_path_for_value ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 4) stdout ----
[INFO] [stdout] error[E0599]: no method named `create_root_window` found for type `std::result::Result<unsegen::base::Terminal<'_, std::io::StdoutLock<'_>>, std::io::Error>` in the current scope
[INFO] [stdout]   --> src/lib.rs:52:28
[INFO] [stdout]    |
[INFO] [stdout] 50 |             let win = term.create_root_window();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `present` found for type `std::result::Result<unsegen::base::Terminal<'_, std::io::StdoutLock<'_>>, std::io::Error>` in the current scope
[INFO] [stdout]   --> src/lib.rs:55:14
[INFO] [stdout]    |
[INFO] [stdout] 53 |         term.present();
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "0132ea2d0192ff292051adc6d35292043d252180b496997e84034b9264a1d791"`
[INFO] running `"docker" "rm" "-f" "0132ea2d0192ff292051adc6d35292043d252180b496997e84034b9264a1d791"`
[INFO] [stdout] 0132ea2d0192ff292051adc6d35292043d252180b496997e84034b9264a1d791