[INFO] crate json-highlight-writer 1.1.0 is already in cache
[INFO] testing json-highlight-writer-1.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate json-highlight-writer 1.1.0 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate json-highlight-writer 1.1.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate json-highlight-writer 1.1.0
[INFO] finished tweaking crates.io crate json-highlight-writer 1.1.0
[INFO] tweaked toml for crates.io crate json-highlight-writer 1.1.0 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 0e0ac88e9bbfdd94898c6212e3e8a5e0283117602cc24105d51216f427d6052d
[INFO] running `"docker" "start" "-a" "0e0ac88e9bbfdd94898c6212e3e8a5e0283117602cc24105d51216f427d6052d"`
[INFO] [stderr]    Compiling json-highlight-writer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/highlight_color.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |   colors: Box<Iterator<Item = Color>>
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Color>`
[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/highlight.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     color: Box<HighlightColor>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn HighlightColor`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/generator/print_dec.rs:62:29
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut buf: [u8; 30] = mem::uninitialized();
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "0e0ac88e9bbfdd94898c6212e3e8a5e0283117602cc24105d51216f427d6052d"`
[INFO] running `"docker" "rm" "-f" "0e0ac88e9bbfdd94898c6212e3e8a5e0283117602cc24105d51216f427d6052d"`
[INFO] [stdout] 0e0ac88e9bbfdd94898c6212e3e8a5e0283117602cc24105d51216f427d6052d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2cd44a992705805f234a9bd73ce0966fe9d79fb596521f7b1a68ce441dd1d28f
[INFO] running `"docker" "start" "-a" "2cd44a992705805f234a9bd73ce0966fe9d79fb596521f7b1a68ce441dd1d28f"`
[INFO] [stderr]    Compiling json-highlight-writer v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/highlight_color.rs:26:15
[INFO] [stderr]    |
[INFO] [stderr] 26 |   colors: Box<Iterator<Item = Color>>
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Color>`
[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/highlight.rs:29:16
[INFO] [stderr]    |
[INFO] [stderr] 29 |     color: Box<HighlightColor>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^ help: use `dyn`: `dyn HighlightColor`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/generator/print_dec.rs:62:29
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut buf: [u8; 30] = mem::uninitialized();
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "2cd44a992705805f234a9bd73ce0966fe9d79fb596521f7b1a68ce441dd1d28f"`
[INFO] running `"docker" "rm" "-f" "2cd44a992705805f234a9bd73ce0966fe9d79fb596521f7b1a68ce441dd1d28f"`
[INFO] [stdout] 2cd44a992705805f234a9bd73ce0966fe9d79fb596521f7b1a68ce441dd1d28f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 55e46cf7d38080df162280331fba150bc36808cef6df35f2bfff52e9f2dd8a25
[INFO] running `"docker" "start" "-a" "55e46cf7d38080df162280331fba150bc36808cef6df35f2bfff52e9f2dd8a25"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/json_highlight_writer-df9a03e17991f8bc
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test highlight::tests::should_highlight_a_single_match ... ok
[INFO] [stdout] test highlight::tests::should_highlight_inner_matches ... ok
[INFO] [stdout] test highlight::tests::should_highlight_multiple_matchs ... ok
[INFO] [stdout] test highlight::tests::should_highlight_remainder ... ok
[INFO] [stdout] test highlight::tests::should_highlight_multiple_matchs_with_cycled_colors ... ok
[INFO] [stdout] test highlight::tests::should_segment_a_root_slice ... ok
[INFO] [stdout] test highlight::tests::should_store_slices_to_highlight ... ok
[INFO] [stdout] test highlight_color::tests::cycledcolors_should_cycle_through_colors ... ok
[INFO] [stdout] test highlight::tests::should_segment_slices ... ok
[INFO] [stdout] test highlight::tests::should_implement_basic_json_dump ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests json_highlight_writer
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "55e46cf7d38080df162280331fba150bc36808cef6df35f2bfff52e9f2dd8a25"`
[INFO] running `"docker" "rm" "-f" "55e46cf7d38080df162280331fba150bc36808cef6df35f2bfff52e9f2dd8a25"`
[INFO] [stdout] 55e46cf7d38080df162280331fba150bc36808cef6df35f2bfff52e9f2dd8a25