[INFO] cloning repository https://github.com/FallingSnow/v4l2-pi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FallingSnow/v4l2-pi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallingSnow%2Fv4l2-pi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallingSnow%2Fv4l2-pi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ee9ab4863918db325f792c4d01f1e98e817f83a
[INFO] checking FallingSnow/v4l2-pi against try#1c4199da70f816f2239f41c55168ff75a3663718 for pr-155499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallingSnow%2Fv4l2-pi" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/FallingSnow/v4l2-pi
[INFO] finished tweaking git repo https://github.com/FallingSnow/v4l2-pi
[INFO] tweaked toml for git repo https://github.com/FallingSnow/v4l2-pi written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/FallingSnow/v4l2-pi on toolchain 1c4199da70f816f2239f41c55168ff75a3663718
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/FallingSnow/v4l2-pi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef2d23e704c3a2162ad62b21f1138ae3f2958119b7c335231d891d7527893d3b
[INFO] running `Command { std: "docker" "start" "-a" "ef2d23e704c3a2162ad62b21f1138ae3f2958119b7c335231d891d7527893d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef2d23e704c3a2162ad62b21f1138ae3f2958119b7c335231d891d7527893d3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef2d23e704c3a2162ad62b21f1138ae3f2958119b7c335231d891d7527893d3b", kill_on_drop: false }`
[INFO] [stdout] ef2d23e704c3a2162ad62b21f1138ae3f2958119b7c335231d891d7527893d3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1c4199da70f816f2239f41c55168ff75a3663718" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc391ffeb97b39c67b848c7521ee19b77ccc7327e1771a245f8203cc8e06fcc
[INFO] running `Command { std: "docker" "start" "-a" "4bc391ffeb97b39c67b848c7521ee19b77ccc7327e1771a245f8203cc8e06fcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling drm-sys v0.0.0 (https://github.com/Smithay/drm-rs?rev=dc5c544762ba4cccfa3ee14e7f8dde6722ff4f97#dc5c5447)
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling drm-fourcc v2.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking drm-ffi v0.0.0 (https://github.com/Smithay/drm-rs?rev=dc5c544762ba4cccfa3ee14e7f8dde6722ff4f97#dc5c5447)
[INFO] [stderr]     Checking v4l2r v0.0.1 (https://github.com/Gnurou/v4l2r.git?rev=1fbc84fbe2ae9db970c41fbdb4537b3753d146e1#1fbc84fb)
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking drm v0.0.0 (https://github.com/Smithay/drm-rs?rev=dc5c544762ba4cccfa3ee14e7f8dde6722ff4f97#dc5c5447)
[INFO] [stdout] error[E0277]: the trait bound `!: ReqBufs` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/v4l2r-c34c036b71748853/1fbc84f/lib/src/device/queue.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 429 |         ioctl::reqbufs(&self.inner, type_, self.state.memory_type.into(), 0)?;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `ReqBufs` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout] help: the following other types implement trait `ReqBufs`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/v4l2r-c34c036b71748853/1fbc84f/lib/src/ioctl/reqbufs.rs:29:1
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl ReqBufs for () {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^ `()`
[INFO] [stdout] ...
[INFO] [stdout]  35 | impl ReqBufs for usize {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^ `usize`
[INFO] [stdout] ...
[INFO] [stdout]  42 | impl ReqBufs for BufferCapabilities {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `ioctl::reqbufs::BufferCapabilities`
[INFO] [stdout] ...
[INFO] [stdout]  54 | impl ReqBufs for RequestBuffers {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `RequestBuffers`
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout] note: required by a bound in `ioctl::reqbufs::reqbufs`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/v4l2r-c34c036b71748853/1fbc84f/lib/src/ioctl/reqbufs.rs:78:19
[INFO] [stdout]     |
[INFO] [stdout]  78 | pub fn reqbufs<T: ReqBufs, F: AsRawFd>(
[INFO] [stdout]     |                   ^^^^^^^ required by this bound in `reqbufs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `v4l2r` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4bc391ffeb97b39c67b848c7521ee19b77ccc7327e1771a245f8203cc8e06fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc391ffeb97b39c67b848c7521ee19b77ccc7327e1771a245f8203cc8e06fcc", kill_on_drop: false }`
[INFO] [stdout] 4bc391ffeb97b39c67b848c7521ee19b77ccc7327e1771a245f8203cc8e06fcc
