[INFO] fetching crate json-highlight-writer 1.1.0...
[INFO] checking json-highlight-writer-1.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate json-highlight-writer 1.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate json-highlight-writer 1.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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 /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e94485870d32ba277049db816fa77e384917775a0493b417f19a14bb65fc088b
[INFO] running `"docker" "start" "-a" "e94485870d32ba277049db816fa77e384917775a0493b417f19a14bb65fc088b"`
[INFO] [stderr]     Checking json v0.11.15
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking 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_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] 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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `"docker" "inspect" "e94485870d32ba277049db816fa77e384917775a0493b417f19a14bb65fc088b"`
[INFO] running `"docker" "rm" "-f" "e94485870d32ba277049db816fa77e384917775a0493b417f19a14bb65fc088b"`
[INFO] [stdout] e94485870d32ba277049db816fa77e384917775a0493b417f19a14bb65fc088b