[INFO] fetching crate tree2 1.0.12...
[INFO] checking tree2-1.0.12 against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] extracting crate tree2 1.0.12 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tree2 1.0.12
[INFO] finished tweaking crates.io crate tree2 1.0.12
[INFO] tweaked toml for crates.io crate tree2 1.0.12 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tree2 1.0.12 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 crates.io crate tree2 1.0.12 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bfb2057298259d99b70a7a2292e53e26a979956e4486682220dbfc52e21f467b
[INFO] running `Command { std: "docker" "start" "-a" "bfb2057298259d99b70a7a2292e53e26a979956e4486682220dbfc52e21f467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfb2057298259d99b70a7a2292e53e26a979956e4486682220dbfc52e21f467b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfb2057298259d99b70a7a2292e53e26a979956e4486682220dbfc52e21f467b", kill_on_drop: false }`
[INFO] [stdout] bfb2057298259d99b70a7a2292e53e26a979956e4486682220dbfc52e21f467b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ad7f118d34136f15c0f56bf9482f335b7c57368ef9a8f1d7755b20dfcf786145
[INFO] running `Command { std: "docker" "start" "-a" "ad7f118d34136f15c0f56bf9482f335b7c57368ef9a8f1d7755b20dfcf786145", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling xml-rs v0.8.28
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]     Checking colored v2.2.0
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking os_pipe v1.2.3
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking tree_magic_mini v3.2.2
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking clap-version-flag v1.0.7
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking x11rb v0.10.1
[INFO] [stderr]     Checking x11-clipboard v0.7.1
[INFO] [stderr]     Checking wl-clipboard-rs v0.7.0
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/wl-clipboard-rs-0.7.0/src/copy.rs:434:56
[INFO] [stdout]     |
[INFO] [stdout] 434 |         let result: Result<_, _> = results.into_iter().collect();
[INFO] [stdout]     |                                                        ^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<Result<A, E>>` is implemented for `Result<V, E>`
[INFO] [stdout]    --> /rustc/88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c/library/core/src/result.rs:2109:0
[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 for `Result<!, copy::Error>` to implement `FromIterator<Result<(), copy::Error>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c/library/core/src/iter/traits/iterator.rs:2079:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wl-clipboard-rs` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ad7f118d34136f15c0f56bf9482f335b7c57368ef9a8f1d7755b20dfcf786145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7f118d34136f15c0f56bf9482f335b7c57368ef9a8f1d7755b20dfcf786145", kill_on_drop: false }`
[INFO] [stdout] ad7f118d34136f15c0f56bf9482f335b7c57368ef9a8f1d7755b20dfcf786145