[INFO] cloning repository https://github.com/Mountlex/xivar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mountlex/xivar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea72b2fc6e913c80eba9027e3dc567b6b97cbf3c
[INFO] testing Mountlex/xivar against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar" "/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/Mountlex/xivar
[INFO] finished tweaking git repo https://github.com/Mountlex/xivar
[INFO] tweaked toml for git repo https://github.com/Mountlex/xivar written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Mountlex/xivar on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Mountlex/xivar 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf
[INFO] running `Command { std: "docker" "start" "59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
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[INFO] [stderr]    Compiling version_check v0.9.4
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[INFO] [stderr]    Compiling parking_lot_core v0.9.5
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[INFO] [stderr]    Compiling tower-service v0.3.2
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[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
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[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling x11rb-protocol v0.10.0
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling lopdf v0.29.0
[INFO] [stderr]    Compiling pest v2.5.2
[INFO] [stderr]    Compiling clap v4.0.32
[INFO] [stderr]    Compiling pest_meta v2.5.2
[INFO] [stderr]    Compiling pest_generator v2.5.2
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling pest_derive v2.5.2
[INFO] [stderr]    Compiling tokio-util v0.7.4
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.15
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling toml v0.5.10
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling ron v0.7.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling hyper v0.14.23
[INFO] [stderr]    Compiling config v0.13.3
[INFO] [stderr]    Compiling x11rb v0.10.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.13
[INFO] [stderr]    Compiling x11-clipboard v0.7.0
[INFO] [stderr]    Compiling 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<T, E>>` is conditionally implemented for `Result<V, E>`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:2114:14
[INFO] [stdout]     |
[INFO] [stdout]     = note: unsatisfied requirement introduced here: `!: FromIterator<()>`
[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/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/iter/traits/iterator.rs:2087:4
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf", kill_on_drop: false }`
[INFO] [stdout] 59f4a50f786c80a1cbdd683f582cf5f9127f0325df38ddfa657222f7ee814bcf