[INFO] fetching crate framebuffer 0.1.8...
[INFO] checking framebuffer-0.1.8 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate framebuffer 0.1.8 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate framebuffer 0.1.8 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate framebuffer 0.1.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate framebuffer 0.1.8
[INFO] tweaked toml for crates.io crate framebuffer 0.1.8 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4ab7a325f79d8db31f7174d82d9b796d666f6246a30d92aa75efad6adb3dae3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4ab7a325f79d8db31f7174d82d9b796d666f6246a30d92aa75efad6adb3dae3c"`
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking bmp v0.1.4
[INFO] [stderr]     Checking framebuffer v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `KdMode`
[INFO] [stderr]  --> examples/starfield/main.rs:4:32
[INFO] [stderr]   |
[INFO] [stderr] 4 | use framebuffer::{Framebuffer, KdMode};
[INFO] [stderr]   |                                ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/mandelbrot/main.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     std::io::stdin().read_line(&mut String::new());
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "4ab7a325f79d8db31f7174d82d9b796d666f6246a30d92aa75efad6adb3dae3c"`
[INFO] running `"docker" "rm" "-f" "4ab7a325f79d8db31f7174d82d9b796d666f6246a30d92aa75efad6adb3dae3c"`
[INFO] [stdout] 4ab7a325f79d8db31f7174d82d9b796d666f6246a30d92aa75efad6adb3dae3c