[INFO] cloning repository https://github.com/PinkNoize/framebuffer-manager
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PinkNoize/framebuffer-manager" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinkNoize%2Fframebuffer-manager", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinkNoize%2Fframebuffer-manager'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 159a14bb258988bb8ba4611029a0d341e6f5ea4a
[INFO] checking PinkNoize/framebuffer-manager against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinkNoize%2Fframebuffer-manager" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PinkNoize/framebuffer-manager on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/source/Cargo.toml
[INFO] crate git repo https://github.com/PinkNoize/framebuffer-manager already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36a37efcf13598ad256f7413a2bbeeaa4ef80da2b15cbb37a58c9d01e6f03203
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "36a37efcf13598ad256f7413a2bbeeaa4ef80da2b15cbb37a58c9d01e6f03203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36a37efcf13598ad256f7413a2bbeeaa4ef80da2b15cbb37a58c9d01e6f03203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a37efcf13598ad256f7413a2bbeeaa4ef80da2b15cbb37a58c9d01e6f03203", kill_on_drop: false }`
[INFO] [stdout] 36a37efcf13598ad256f7413a2bbeeaa4ef80da2b15cbb37a58c9d01e6f03203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7fd53d7ea2e475d14cac77e73475ff37b582b6b391bbfbb43aa5b443f4c8796
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a7fd53d7ea2e475d14cac77e73475ff37b582b6b391bbfbb43aa5b443f4c8796", kill_on_drop: false }`
[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] [stdout] warning: unused variable: `win`
[INFO] [stdout]    --> src/lib.rs:261:11
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let mut win = &mut fm.windows[0];
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_win`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:261:7
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let mut win = &mut fm.windows[0];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `Command { std: "docker" "inspect" "a7fd53d7ea2e475d14cac77e73475ff37b582b6b391bbfbb43aa5b443f4c8796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7fd53d7ea2e475d14cac77e73475ff37b582b6b391bbfbb43aa5b443f4c8796", kill_on_drop: false }`
[INFO] [stdout] a7fd53d7ea2e475d14cac77e73475ff37b582b6b391bbfbb43aa5b443f4c8796