[INFO] fetching crate twoken 0.4.0...
[INFO] checking twoken-0.4.0 against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for pr-155501
[INFO] extracting crate twoken 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate twoken 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate twoken 0.4.0
[INFO] tweaked toml for crates.io crate twoken 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twoken 0.4.0 on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate twoken 0.4.0 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b111fc8159985c9782bdc71d061613baa3e9f7e28b1ebe7087e33ef44b4c676a
[INFO] running `Command { std: "docker" "start" "-a" "b111fc8159985c9782bdc71d061613baa3e9f7e28b1ebe7087e33ef44b4c676a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b111fc8159985c9782bdc71d061613baa3e9f7e28b1ebe7087e33ef44b4c676a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b111fc8159985c9782bdc71d061613baa3e9f7e28b1ebe7087e33ef44b4c676a", kill_on_drop: false }`
[INFO] [stdout] b111fc8159985c9782bdc71d061613baa3e9f7e28b1ebe7087e33ef44b4c676a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a93e123d46733074e5aaa692a6fa6da75decf9f2ad06e6d24d319b59be3e400b
[INFO] running `Command { std: "docker" "start" "-a" "a93e123d46733074e5aaa692a6fa6da75decf9f2ad06e6d24d319b59be3e400b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling xml-rs v0.8.26
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rustix v1.0.7
[INFO] [stderr]     Checking blake2b_simd v1.0.3
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking jiff v0.2.14
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking rust-argon2 v1.0.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking clap_builder v4.5.39
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking mock_instant v0.5.3
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking os_pipe v1.2.2
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking tree_magic_mini v3.1.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling clap_derive v4.5.32
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking libreauth v0.16.0
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking clap v4.5.39
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking serde_json v1.0.140
[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/5ec4d3b0c83717313176eefa7d71e9d36dc83355/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/5ec4d3b0c83717313176eefa7d71e9d36dc83355/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" "a93e123d46733074e5aaa692a6fa6da75decf9f2ad06e6d24d319b59be3e400b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93e123d46733074e5aaa692a6fa6da75decf9f2ad06e6d24d319b59be3e400b", kill_on_drop: false }`
[INFO] [stdout] a93e123d46733074e5aaa692a6fa6da75decf9f2ad06e6d24d319b59be3e400b