[INFO] crate framebuffer-manager 0.1.0 is already in cache
[INFO] checking framebuffer-manager-0.1.0 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate framebuffer-manager 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate framebuffer-manager 0.1.0 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate framebuffer-manager 0.1.0
[INFO] finished tweaking crates.io crate framebuffer-manager 0.1.0
[INFO] tweaked toml for crates.io crate framebuffer-manager 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e922e6444795ab795fab1943288aee3d543699b8" "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] 19fc1cd5334a271506d41ef8043e982c2ca4b65e48dd2832dc4bacb666b9f5cf
[INFO] running `"docker" "start" "-a" "19fc1cd5334a271506d41ef8043e982c2ca4b65e48dd2832dc4bacb666b9f5cf"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking framebuffer v0.1.8
[INFO] [stderr]     Checking framebuffer-manager v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `win`
[INFO] [stderr]    --> src/lib.rs:261:11
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mut win = &mut fm.windows[0];
[INFO] [stderr]     |                 ^^^ help: consider prefixing with an underscore: `_win`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:261:7
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mut win = &mut fm.windows[0];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `"docker" "inspect" "19fc1cd5334a271506d41ef8043e982c2ca4b65e48dd2832dc4bacb666b9f5cf"`
[INFO] running `"docker" "rm" "-f" "19fc1cd5334a271506d41ef8043e982c2ca4b65e48dd2832dc4bacb666b9f5cf"`
[INFO] [stdout] 19fc1cd5334a271506d41ef8043e982c2ca4b65e48dd2832dc4bacb666b9f5cf