[INFO] crate console_ui_engine_null 0.1.0 is already in cache
[INFO] checking console_ui_engine_null-0.1.0 against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] extracting crate console_ui_engine_null 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate console_ui_engine_null 0.1.0 on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate console_ui_engine_null 0.1.0
[INFO] finished tweaking crates.io crate console_ui_engine_null 0.1.0
[INFO] tweaked toml for crates.io crate console_ui_engine_null 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate console_ui_engine_null 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-1/source/examples/main.rs
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "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] b5f2d6d2bd8bcf802e0646d6cd94f09b4687a9d96e29df6b2433434d55054672
[INFO] running `"docker" "start" "-a" "b5f2d6d2bd8bcf802e0646d6cd94f09b4687a9d96e29df6b2433434d55054672"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/examples/main.rs
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking crossterm v0.13.2
[INFO] [stderr]     Checking console_ui_engine_null v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `full_render_chars`
[INFO] [stderr]   --> src/console.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn full_render_chars(&self) -> Result<()>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `full_render_chars`
[INFO] [stderr]   --> src/console.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn full_render_chars(&self) -> Result<()>{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `"docker" "inspect" "b5f2d6d2bd8bcf802e0646d6cd94f09b4687a9d96e29df6b2433434d55054672"`
[INFO] running `"docker" "rm" "-f" "b5f2d6d2bd8bcf802e0646d6cd94f09b4687a9d96e29df6b2433434d55054672"`
[INFO] [stdout] b5f2d6d2bd8bcf802e0646d6cd94f09b4687a9d96e29df6b2433434d55054672