[INFO] fetching crate wayland-server 0.28.3...
[INFO] checking wayland-server-0.28.3 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate wayland-server 0.28.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate wayland-server 0.28.3 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wayland-server 0.28.3
[INFO] finished tweaking crates.io crate wayland-server 0.28.3
[INFO] tweaked toml for crates.io crate wayland-server 0.28.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b282e9b43654d41986bf360ac4935b63713103426f89f5d12bfa56ad6d10f4e7
[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" "b282e9b43654d41986bf360ac4935b63713103426f89f5d12bfa56ad6d10f4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b282e9b43654d41986bf360ac4935b63713103426f89f5d12bfa56ad6d10f4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b282e9b43654d41986bf360ac4935b63713103426f89f5d12bfa56ad6d10f4e7", kill_on_drop: false }`
[INFO] [stdout] b282e9b43654d41986bf360ac4935b63713103426f89f5d12bfa56ad6d10f4e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9343e05202b9902f08308dd9469b1360e039d0163eaba357c8af55bc4009f3e
[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" "e9343e05202b9902f08308dd9469b1360e039d0163eaba357c8af55bc4009f3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling wayland-sys v0.28.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wayland-scanner v0.28.4
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]    Compiling wayland-server v0.28.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking wayland-commons v0.28.4
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/rust_imp/clients.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub(crate) fn write_message(&mut self, msg: &Message) -> NixResult<()> {
[INFO] [stdout]    |                                                              ------------- expected `Result<(), nix::Error>` because of return type
[INFO] [stdout] 79 |         self.socket.write_message(msg)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `nix::Error`, found a different enum `nix::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<_, nix::Error>` (enum `nix::Error`)
[INFO] [stdout]               found enum `Result<_, nix::Error>` (enum `nix::Error`)
[INFO] [stdout]    = note: perhaps two different versions of crate `nix` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/rust_imp/clients.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |     pub(crate) fn write_message(&mut self, msg: &Message) -> NixResult<()> {
[INFO] [stdout]    |                                                              ------------- expected `Result<(), nix::Error>` because of return type
[INFO] [stdout] 79 |         self.socket.write_message(msg)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `nix::Error`, found a different enum `nix::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<_, nix::Error>` (enum `nix::Error`)
[INFO] [stdout]               found enum `Result<_, nix::Error>` (enum `nix::Error`)
[INFO] [stdout]    = note: perhaps two different versions of crate `nix` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/rust_imp/clients.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub(crate) fn flush(&mut self) -> NixResult<()> {
[INFO] [stdout]    |                                       ------------- expected `Result<(), nix::Error>` because of return type
[INFO] [stdout] 83 |         self.socket.flush()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ expected enum `nix::Error`, found a different enum `nix::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<_, nix::Error>` (enum `nix::Error`)
[INFO] [stdout]               found enum `Result<_, nix::Error>` (enum `nix::Error`)
[INFO] [stdout]    = note: perhaps two different versions of crate `nix` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/rust_imp/clients.rs:119:61
[INFO] [stdout]     |
[INFO] [stdout] 28  |     Nix(::nix::Error),
[INFO] [stdout]     |     ----------------- found signature of `fn(nix::Error) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 119 |                 self.socket.fill_incoming_buffers().map_err(Error::Nix)?;
[INFO] [stdout]     |                                                             ^^^^^^^^^^ expected signature of `fn(nix::Error) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/rust_imp/clients.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub(crate) fn flush(&mut self) -> NixResult<()> {
[INFO] [stdout]    |                                       ------------- expected `Result<(), nix::Error>` because of return type
[INFO] [stdout] 83 |         self.socket.flush()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^ expected enum `nix::Error`, found a different enum `nix::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Result<_, nix::Error>` (enum `nix::Error`)
[INFO] [stdout]               found enum `Result<_, nix::Error>` (enum `nix::Error`)
[INFO] [stdout]    = note: perhaps two different versions of crate `nix` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0631]: type mismatch in function arguments
[INFO] [stdout]    --> src/rust_imp/clients.rs:119:61
[INFO] [stdout]     |
[INFO] [stdout] 28  |     Nix(::nix::Error),
[INFO] [stdout]     |     ----------------- found signature of `fn(nix::Error) -> _`
[INFO] [stdout] ...
[INFO] [stdout] 119 |                 self.socket.fill_incoming_buffers().map_err(Error::Nix)?;
[INFO] [stdout]     |                                                             ^^^^^^^^^^ expected signature of `fn(nix::Error) -> _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0631.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wayland-server`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0631.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e9343e05202b9902f08308dd9469b1360e039d0163eaba357c8af55bc4009f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9343e05202b9902f08308dd9469b1360e039d0163eaba357c8af55bc4009f3e", kill_on_drop: false }`
[INFO] [stdout] e9343e05202b9902f08308dd9469b1360e039d0163eaba357c8af55bc4009f3e