[INFO] cloning repository https://github.com/llogiq/lib_json
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llogiq/lib_json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Flib_json"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Flib_json'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 336bd54e950fa19b0168eddc358073cf5918bb21
[INFO] checking llogiq/lib_json against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Flib_json" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llogiq/lib_json on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/llogiq/lib_json
[INFO] finished tweaking git repo https://github.com/llogiq/lib_json
[INFO] tweaked toml for git repo https://github.com/llogiq/lib_json written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/llogiq/lib_json already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 3f70b4f350037e5fd39cc8a63adcae74682958945966c191d3431471ba1f3f26
[INFO] running `"docker" "start" "-a" "3f70b4f350037e5fd39cc8a63adcae74682958945966c191d3431471ba1f3f26"`
[INFO] [stderr]     Checking lib_json v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/buffer_walk.rs:61:23
[INFO] [stderr]    |
[INFO] [stderr] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/buffer_walk.rs:61:23
[INFO] [stderr]    |
[INFO] [stderr] 61 |         unsafe{ self.buffer.slice_unchecked( start, end ) }
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `"docker" "inspect" "3f70b4f350037e5fd39cc8a63adcae74682958945966c191d3431471ba1f3f26"`
[INFO] running `"docker" "rm" "-f" "3f70b4f350037e5fd39cc8a63adcae74682958945966c191d3431471ba1f3f26"`
[INFO] [stdout] 3f70b4f350037e5fd39cc8a63adcae74682958945966c191d3431471ba1f3f26