[INFO] fetching crate wl-clipboard-rs 0.8.0...
[INFO] checking wl-clipboard-rs-0.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate wl-clipboard-rs 0.8.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate wl-clipboard-rs 0.8.0 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 crates.io crate wl-clipboard-rs 0.8.0
[INFO] finished tweaking crates.io crate wl-clipboard-rs 0.8.0
[INFO] tweaked toml for crates.io crate wl-clipboard-rs 0.8.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding derive-new v0.5.9 (latest: v0.6.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding memoffset v0.7.1 (latest: v0.9.1)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-backend v0.3.3
[INFO] [stderr]   Downloaded proptest-derive v0.4.0
[INFO] [stderr]   Downloaded wayland-client v0.31.2
[INFO] [stderr]   Downloaded wayland-protocols v0.31.2
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[INFO] [stderr]   Downloaded wayland-sys v0.31.1
[INFO] [stderr]   Downloaded wayland-scanner v0.31.1
[INFO] [stderr]   Downloaded wayland-server v0.31.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 46776b0a6f2ff84beff44b92acaa2b65e2568ae97960b12c902985875b36ec0c
[INFO] running `Command { std: "docker" "start" "-a" "46776b0a6f2ff84beff44b92acaa2b65e2568ae97960b12c902985875b36ec0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46776b0a6f2ff84beff44b92acaa2b65e2568ae97960b12c902985875b36ec0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46776b0a6f2ff84beff44b92acaa2b65e2568ae97960b12c902985875b36ec0c", kill_on_drop: false }`
[INFO] [stdout] 46776b0a6f2ff84beff44b92acaa2b65e2568ae97960b12c902985875b36ec0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 992d1241c3b086e42114989576d59a6f7c1856f5521a3439b171a1472463371a
[INFO] running `Command { std: "docker" "start" "-a" "992d1241c3b086e42114989576d59a6f7c1856f5521a3439b171a1472463371a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling io-lifetimes v2.0.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]     Checking tree_magic_mini v3.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling proptest-derive v0.4.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking wayland-client v0.31.2
[INFO] [stderr]     Checking wayland-server v0.31.1
[INFO] [stderr]     Checking wayland-protocols v0.31.2
[INFO] [stderr]     Checking wayland-protocols-wlr v0.2.0
[INFO] [stderr]     Checking wl-clipboard-rs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.73s
[INFO] running `Command { std: "docker" "inspect" "992d1241c3b086e42114989576d59a6f7c1856f5521a3439b171a1472463371a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "992d1241c3b086e42114989576d59a6f7c1856f5521a3439b171a1472463371a", kill_on_drop: false }`
[INFO] [stdout] 992d1241c3b086e42114989576d59a6f7c1856f5521a3439b171a1472463371a
[INFO] checking wl-clipboard-rs-0.8.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate wl-clipboard-rs 0.8.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate wl-clipboard-rs 0.8.0 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 crates.io crate wl-clipboard-rs 0.8.0
[INFO] finished tweaking crates.io crate wl-clipboard-rs 0.8.0
[INFO] tweaked toml for crates.io crate wl-clipboard-rs 0.8.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding derive-new v0.5.9 (latest: v0.6.0)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding memoffset v0.7.1 (latest: v0.9.1)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a847c7ddc9c28d2f8dfa204250e733167367c46af5e6b7a7ea00e8d1440b5592
[INFO] running `Command { std: "docker" "start" "-a" "a847c7ddc9c28d2f8dfa204250e733167367c46af5e6b7a7ea00e8d1440b5592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a847c7ddc9c28d2f8dfa204250e733167367c46af5e6b7a7ea00e8d1440b5592", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a847c7ddc9c28d2f8dfa204250e733167367c46af5e6b7a7ea00e8d1440b5592", kill_on_drop: false }`
[INFO] [stdout] a847c7ddc9c28d2f8dfa204250e733167367c46af5e6b7a7ea00e8d1440b5592
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 050fc8400cf7d2d63b99f306a7025f7255e8aeef6569bb4d5d36dced1de798bf
[INFO] running `Command { std: "docker" "start" "-a" "050fc8400cf7d2d63b99f306a7025f7255e8aeef6569bb4d5d36dced1de798bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]    Compiling io-lifetimes v2.0.3
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]     Checking tree_magic_mini v3.1.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking wayland-client v0.31.2
[INFO] [stderr]     Checking wayland-server v0.31.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling proptest-derive v0.4.0
[INFO] [stderr]     Checking wayland-protocols v0.31.2
[INFO] [stderr]     Checking wayland-protocols-wlr v0.2.0
[INFO] [stderr]     Checking wl-clipboard-rs v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> src/copy.rs:591:56
[INFO] [stdout]     |
[INFO] [stdout] 591 |         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] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> src/copy.rs:591:56
[INFO] [stdout]     |
[INFO] [stdout] 591 |         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] [stderr] error: could not compile `wl-clipboard-rs` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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 test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "050fc8400cf7d2d63b99f306a7025f7255e8aeef6569bb4d5d36dced1de798bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050fc8400cf7d2d63b99f306a7025f7255e8aeef6569bb4d5d36dced1de798bf", kill_on_drop: false }`
[INFO] [stdout] 050fc8400cf7d2d63b99f306a7025f7255e8aeef6569bb4d5d36dced1de798bf