[INFO] fetching crate merenda 0.1.0...
[INFO] checking merenda-0.1.0 against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] extracting crate merenda 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate merenda 0.1.0
[INFO] finished tweaking crates.io crate merenda 0.1.0
[INFO] tweaked toml for crates.io crate merenda 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate merenda 0.1.0 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 merenda 0.1.0 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] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.56
[INFO] [stderr]   Downloaded thiserror v1.0.56
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded winapi-wsapoll v0.1.1
[INFO] [stderr]   Downloaded gethostname v0.3.0
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded memoffset v0.7.1
[INFO] [stderr]   Downloaded equivalent v1.0.1
[INFO] [stderr]   Downloaded objc_id v0.1.1
[INFO] [stderr]   Downloaded fastrand v2.0.1
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded fixedbitset v0.4.2
[INFO] [stderr]   Downloaded windows-targets v0.48.5
[INFO] [stderr]   Downloaded bitflags v1.3.2
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded lock_api v0.4.11
[INFO] [stderr]   Downloaded dlib v0.5.2
[INFO] [stderr]   Downloaded str-buf v1.0.6
[INFO] [stderr]   Downloaded clipboard-win v4.5.0
[INFO] [stderr]   Downloaded os_pipe v1.1.5
[INFO] [stderr]   Downloaded tempfile v3.9.0
[INFO] [stderr]   Downloaded objc v0.2.7
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded once_cell v1.19.0
[INFO] [stderr]   Downloaded minimal-lexical v0.2.1
[INFO] [stderr]   Downloaded nom v7.1.3
[INFO] [stderr]   Downloaded wayland-backend v0.3.2
[INFO] [stderr]   Downloaded hashbrown v0.14.3
[INFO] [stderr]   Downloaded quick-xml v0.30.0
[INFO] [stderr]   Downloaded petgraph v0.6.4
[INFO] [stderr]   Downloaded wayland-protocols v0.31.0
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded x11rb v0.12.0
[INFO] [stderr]   Downloaded nix v0.26.4
[INFO] [stderr]   Downloaded syn v1.0.109
[INFO] [stderr]   Downloaded cc v1.0.83
[INFO] [stderr]   Downloaded arboard v3.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.195
[INFO] [stderr]   Downloaded rustix v0.38.30
[INFO] [stderr]   Downloaded serde v1.0.195
[INFO] [stderr]   Downloaded indexmap v2.1.0
[INFO] [stderr]   Downloaded log v0.4.20
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.48.5
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[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.0
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[INFO] [stderr]   Downloaded x11rb-protocol v0.12.0
[INFO] [stderr]   Downloaded wayland-client v0.31.1
[INFO] [stderr]   Downloaded wl-clipboard-rs v0.8.0
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] [stderr]   Downloaded bitflags v2.4.2
[INFO] [stderr]   Downloaded wayland-scanner v0.31.0
[INFO] [stderr]   Downloaded argh v0.1.12
[INFO] [stderr]   Downloaded rustversion v1.0.14
[INFO] [stderr]   Downloaded strum_macros v0.25.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.76
[INFO] [stderr]   Downloaded scopeguard v1.2.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.9
[INFO] [stderr]   Downloaded redox_syscall v0.4.1
[INFO] [stderr]   Downloaded libc v0.2.152
[INFO] [stderr]   Downloaded pkg-config v0.3.29
[INFO] [stderr]   Downloaded scoped-tls v1.0.1
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.48.5
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.48.5
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[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.48.5
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.48.5
[INFO] [stderr]   Downloaded smallvec v1.13.0
[INFO] [stderr]   Downloaded libloading v0.8.1
[INFO] [stderr]   Downloaded wayland-protocols-wlr v0.2.0
[INFO] [stderr]   Downloaded block v0.1.6
[INFO] [stderr]   Downloaded objc-foundation v0.1.1
[INFO] [stderr]   Downloaded malloc_buf v0.0.6
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded errno v0.3.8
[INFO] [stderr]   Downloaded windows-targets v0.52.0
[INFO] [stderr]   Downloaded bytecount v0.6.7
[INFO] [stderr]   Downloaded tree_magic_mini v3.0.3
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded downcast-rs v1.2.0
[INFO] [stderr]   Downloaded wayland-sys v0.31.1
[INFO] [stderr]   Downloaded argh_derive v0.1.12
[INFO] [stderr]   Downloaded strum v0.25.0
[INFO] [stderr]   Downloaded argh_shared v0.1.12
[INFO] [stderr]   Downloaded heck v0.4.1
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.13
[INFO] [stderr]   Downloaded windows-sys v0.52.0
[INFO] [stderr]   Downloaded windows-sys v0.48.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 011ce4abe73bcb2ae037e12af0574455c9a0ae5c44c1a92e6bf31992b60d984f
[INFO] running `Command { std: "docker" "start" "-a" "011ce4abe73bcb2ae037e12af0574455c9a0ae5c44c1a92e6bf31992b60d984f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "011ce4abe73bcb2ae037e12af0574455c9a0ae5c44c1a92e6bf31992b60d984f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011ce4abe73bcb2ae037e12af0574455c9a0ae5c44c1a92e6bf31992b60d984f", kill_on_drop: false }`
[INFO] [stdout] 011ce4abe73bcb2ae037e12af0574455c9a0ae5c44c1a92e6bf31992b60d984f
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71af083438612e1297a50a2d4c834ef4f32205deeace74ffc0b40f55f4bec286
[INFO] running `Command { std: "docker" "start" "-a" "71af083438612e1297a50a2d4c834ef4f32205deeace74ffc0b40f55f4bec286", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling pkg-config v0.3.29
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.13.0
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking libloading v0.8.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling x11rb v0.12.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]    Compiling quick-xml v0.30.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling wayland-scanner v0.31.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking gethostname v0.3.0
[INFO] [stderr]     Checking os_pipe v1.1.5
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling wayland-backend v0.3.2
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]     Checking tree_magic_mini v3.0.3
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking x11rb-protocol v0.12.0
[INFO] [stderr]     Checking wayland-client v0.31.1
[INFO] [stderr]     Checking wayland-protocols v0.31.0
[INFO] [stderr]     Checking wayland-protocols-wlr v0.2.0
[INFO] [stderr]     Checking wl-clipboard-rs v0.8.0
[INFO] [stderr]     Checking argh_shared v0.1.12
[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-0.8.0/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 `!`
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "71af083438612e1297a50a2d4c834ef4f32205deeace74ffc0b40f55f4bec286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71af083438612e1297a50a2d4c834ef4f32205deeace74ffc0b40f55f4bec286", kill_on_drop: false }`
[INFO] [stdout] 71af083438612e1297a50a2d4c834ef4f32205deeace74ffc0b40f55f4bec286