[INFO] cloning repository https://github.com/barp/bswitcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/barp/bswitcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarp%2Fbswitcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarp%2Fbswitcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da2d1177a92a850f5add9f687cb520a4e4bbdd6b
[INFO] checking barp/bswitcher against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbarp%2Fbswitcher" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/barp/bswitcher
[INFO] finished tweaking git repo https://github.com/barp/bswitcher
[INFO] tweaked toml for git repo https://github.com/barp/bswitcher written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/barp/bswitcher 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 git repo https://github.com/barp/bswitcher 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: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[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] 32709f85cfc4a38fe6389b2c8c3f67b943757c25d10c51c0707dde7bdf17b756
[INFO] running `Command { std: "docker" "start" "-a" "32709f85cfc4a38fe6389b2c8c3f67b943757c25d10c51c0707dde7bdf17b756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32709f85cfc4a38fe6389b2c8c3f67b943757c25d10c51c0707dde7bdf17b756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32709f85cfc4a38fe6389b2c8c3f67b943757c25d10c51c0707dde7bdf17b756", kill_on_drop: false }`
[INFO] [stdout] 32709f85cfc4a38fe6389b2c8c3f67b943757c25d10c51c0707dde7bdf17b756
[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] c3529b48c259613a7cbce4370cd48b921f11058150dc6928600bf9394b579175
[INFO] running `Command { std: "docker" "start" "-a" "c3529b48c259613a7cbce4370cd48b921f11058150dc6928600bf9394b579175", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking value-bag v1.4.2
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[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling target-lexicon v0.12.12
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
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[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling futures-util v0.3.29
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[INFO] [stderr]    Compiling pyo3-build-config v0.19.2
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[INFO] [stderr]    Compiling openssl-src v300.1.6+3.1.4
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[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking io-lifetimes v1.0.11
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[INFO] [stderr]    Compiling futures-macro v0.3.29
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[INFO] [stderr]    Compiling thiserror-impl v1.0.50
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[INFO] [stderr]    Compiling wayland-client v0.27.0
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[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking rustc-demangle v0.1.23
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[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
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[INFO] [stderr]     Checking async-net v0.1.2
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[INFO] [stderr]    Compiling wayland-protocols v0.27.0
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[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking tree_magic v0.2.3
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.29
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking os_pipe v0.9.2
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling bswitch-python v0.1.0 (/opt/rustwide/workdir/python)
[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling pyo3-asyncio-macros v0.19.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking pyo3-asyncio v0.19.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking x11-clipboard v0.5.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking wl-clipboard-rs v0.4.1
[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-0.4.1/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c3529b48c259613a7cbce4370cd48b921f11058150dc6928600bf9394b579175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3529b48c259613a7cbce4370cd48b921f11058150dc6928600bf9394b579175", kill_on_drop: false }`
[INFO] [stdout] c3529b48c259613a7cbce4370cd48b921f11058150dc6928600bf9394b579175
