[INFO] updating cached repository https://github.com/PinkNoize/framebuffer-manager
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 159a14bb258988bb8ba4611029a0d341e6f5ea4a
[INFO] checking PinkNoize/framebuffer-manager against try#879b8cb7dc2ad9102994457e73cf78d124926ea5 for pr-73084
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinkNoize%2Fframebuffer-manager" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PinkNoize/framebuffer-manager on toolchain 879b8cb7dc2ad9102994457e73cf78d124926ea5
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PinkNoize/framebuffer-manager
[INFO] finished tweaking git repo https://github.com/PinkNoize/framebuffer-manager
[INFO] tweaked toml for git repo https://github.com/PinkNoize/framebuffer-manager written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/PinkNoize/framebuffer-manager already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+879b8cb7dc2ad9102994457e73cf78d124926ea5" "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] 783f6eb757b352b142fa9afd22548b710da5861cd98dc9c84e1d849576f386a7
[INFO] running `"docker" "start" "-a" "783f6eb757b352b142fa9afd22548b710da5861cd98dc9c84e1d849576f386a7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.58
[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:261:7
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let mut win = &mut fm.windows[0];
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it 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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `"docker" "inspect" "783f6eb757b352b142fa9afd22548b710da5861cd98dc9c84e1d849576f386a7"`
[INFO] running `"docker" "rm" "-f" "783f6eb757b352b142fa9afd22548b710da5861cd98dc9c84e1d849576f386a7"`
[INFO] [stdout] 783f6eb757b352b142fa9afd22548b710da5861cd98dc9c84e1d849576f386a7