[INFO] cloning repository https://github.com/kcx1/fmac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kcx1/fmac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcx1%2Ffmac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcx1%2Ffmac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f69ca708d8e335cdf2682fa1bacab4d4767fc49
[INFO] checking kcx1/fmac against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcx1%2Ffmac" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kcx1/fmac on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kcx1/fmac
[INFO] finished tweaking git repo https://github.com/kcx1/fmac
[INFO] tweaked toml for git repo https://github.com/kcx1/fmac written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kcx1/fmac 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cli-clipboard v0.4.0
[INFO] [stderr]   Downloaded x11-clipboard v0.7.1
[INFO] [stderr]   Downloaded anstyle-query v1.0.1
[INFO] [stderr]   Downloaded wl-clipboard-rs v0.7.0
[INFO] [stderr]   Downloaded x11rb v0.10.1
[INFO] [stderr]   Downloaded rustix v0.38.27
[INFO] [stderr]   Downloaded x11rb-protocol v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a11291f875a91f0e3449f2f671870ed2778eb32768d991109429bf348d328d4a
[INFO] running `Command { std: "docker" "start" "-a" "a11291f875a91f0e3449f2f671870ed2778eb32768d991109429bf348d328d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a11291f875a91f0e3449f2f671870ed2778eb32768d991109429bf348d328d4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a11291f875a91f0e3449f2f671870ed2778eb32768d991109429bf348d328d4a", kill_on_drop: false }`
[INFO] [stdout] a11291f875a91f0e3449f2f671870ed2778eb32768d991109429bf348d328d4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddfa91df9155127a8d36f21b11fa798cd76a9a1782be58b2a2ea4e15a7cc7ca7
[INFO] running `Command { std: "docker" "start" "-a" "ddfa91df9155127a8d36f21b11fa798cd76a9a1782be58b2a2ea4e15a7cc7ca7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.27
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking anstyle-query v1.0.1
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking clap_builder v4.4.11
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking tree_magic_mini v3.0.3
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking clap v4.4.11
[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] [stderr]     Checking cli-clipboard v0.4.0
[INFO] [stderr]     Checking fmac v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.16s
[INFO] running `Command { std: "docker" "inspect" "ddfa91df9155127a8d36f21b11fa798cd76a9a1782be58b2a2ea4e15a7cc7ca7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfa91df9155127a8d36f21b11fa798cd76a9a1782be58b2a2ea4e15a7cc7ca7", kill_on_drop: false }`
[INFO] [stdout] ddfa91df9155127a8d36f21b11fa798cd76a9a1782be58b2a2ea4e15a7cc7ca7
[INFO] checking kcx1/fmac against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkcx1%2Ffmac" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kcx1/fmac on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kcx1/fmac
[INFO] finished tweaking git repo https://github.com/kcx1/fmac
[INFO] tweaked toml for git repo https://github.com/kcx1/fmac written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kcx1/fmac 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77539aee26880e6e8b431551be7b5092a6d4400c0ca07e09bd75b12a374e4678
[INFO] running `Command { std: "docker" "start" "-a" "77539aee26880e6e8b431551be7b5092a6d4400c0ca07e09bd75b12a374e4678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77539aee26880e6e8b431551be7b5092a6d4400c0ca07e09bd75b12a374e4678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77539aee26880e6e8b431551be7b5092a6d4400c0ca07e09bd75b12a374e4678", kill_on_drop: false }`
[INFO] [stdout] 77539aee26880e6e8b431551be7b5092a6d4400c0ca07e09bd75b12a374e4678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724e019c9e0b51489aabcd4b1cf5e4e89f388e993a233e6131cd32c5e8f54c00
[INFO] running `Command { std: "docker" "start" "-a" "724e019c9e0b51489aabcd4b1cf5e4e89f388e993a233e6131cd32c5e8f54c00", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling rustix v0.38.27
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking anstyle-query v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking os_pipe v1.1.4
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking clap_lex v0.6.0
[INFO] [stderr]     Checking tree_magic_mini v3.0.3
[INFO] [stderr]     Checking clap_builder v4.4.11
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking wayland-commons v0.29.5
[INFO] [stderr]     Checking x11rb-protocol v0.10.0
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking clap v4.4.11
[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-6f17d22bba15001f/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 `!`, which is required by `Result<_, _>: FromIterator<Result<(), copy::Error>>`
[INFO] [stdout]     = help: the trait `FromIterator<Result<A, E>>` is implemented for `Result<V, E>`
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 <https://github.com/rust-lang/rust/issues/48950> for more information)
[INFO] [stdout]     = help: did you intend 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/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/core/src/iter/traits/iterator.rs:1999:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[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 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "724e019c9e0b51489aabcd4b1cf5e4e89f388e993a233e6131cd32c5e8f54c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724e019c9e0b51489aabcd4b1cf5e4e89f388e993a233e6131cd32c5e8f54c00", kill_on_drop: false }`
[INFO] [stdout] 724e019c9e0b51489aabcd4b1cf5e4e89f388e993a233e6131cd32c5e8f54c00