[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#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFallingSnow%2Fv4l2-pi" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/FallingSnow/v4l2-pi on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13cf4e33e5a696b623be62f1297bc28ec90a0c95f5451b360b07ae96dbe12dc4 [INFO] running `Command { std: "docker" "start" "-a" "13cf4e33e5a696b623be62f1297bc28ec90a0c95f5451b360b07ae96dbe12dc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13cf4e33e5a696b623be62f1297bc28ec90a0c95f5451b360b07ae96dbe12dc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13cf4e33e5a696b623be62f1297bc28ec90a0c95f5451b360b07ae96dbe12dc4", kill_on_drop: false }` [INFO] [stdout] 13cf4e33e5a696b623be62f1297bc28ec90a0c95f5451b360b07ae96dbe12dc4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] daecf7db1266b41d3825100beb3265fcd84069fe5b093e02e6ab8fcd99f31448 [INFO] running `Command { std: "docker" "start" "-a" "daecf7db1266b41d3825100beb3265fcd84069fe5b093e02e6ab8fcd99f31448", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [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] 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 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( [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" "daecf7db1266b41d3825100beb3265fcd84069fe5b093e02e6ab8fcd99f31448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "daecf7db1266b41d3825100beb3265fcd84069fe5b093e02e6ab8fcd99f31448", kill_on_drop: false }` [INFO] [stdout] daecf7db1266b41d3825100beb3265fcd84069fe5b093e02e6ab8fcd99f31448