[INFO] fetching crate st7735-lcd 0.7.1...
[INFO] checking st7735-lcd-0.7.1 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644
[INFO] extracting crate st7735-lcd 0.7.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate st7735-lcd 0.7.1 on toolchain 1a399c10897767c36d147199696c96f193034e49
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate st7735-lcd 0.7.1
[INFO] finished tweaking crates.io crate st7735-lcd 0.7.1
[INFO] tweaked toml for crates.io crate st7735-lcd 0.7.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1a399c10897767c36d147199696c96f193034e49" "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] f4bef75e0e1b81020a236616886cc9c1f3dfb9d8f533f85886dae7e079192f6a
[INFO] running `"docker" "start" "-a" "f4bef75e0e1b81020a236616886cc9c1f3dfb9d8f533f85886dae7e079192f6a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]     Checking embedded-hal v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking embedded-graphics v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking st7735-lcd v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `core::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 self.write_data(&buffer);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `core::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 self.write_data(&buffer);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.85s
[INFO] running `"docker" "inspect" "f4bef75e0e1b81020a236616886cc9c1f3dfb9d8f533f85886dae7e079192f6a"`
[INFO] running `"docker" "rm" "-f" "f4bef75e0e1b81020a236616886cc9c1f3dfb9d8f533f85886dae7e079192f6a"`
[INFO] [stdout] f4bef75e0e1b81020a236616886cc9c1f3dfb9d8f533f85886dae7e079192f6a