[INFO] cloning repository https://github.com/danielmcgraw/snip [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielmcgraw/snip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmcgraw%2Fsnip", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmcgraw%2Fsnip'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 23fa9ab715bc21a9c0e7fbccfd2787ed33702772 [INFO] checking danielmcgraw/snip against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielmcgraw%2Fsnip" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/danielmcgraw/snip [INFO] finished tweaking git repo https://github.com/danielmcgraw/snip [INFO] tweaked toml for git repo https://github.com/danielmcgraw/snip written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/danielmcgraw/snip on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/danielmcgraw/snip 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" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05e3cbe5f089d47c50ee51d4ab2e5539156f1211d462ae557f7b9dca23a0377c [INFO] running `Command { std: "docker" "start" "-a" "05e3cbe5f089d47c50ee51d4ab2e5539156f1211d462ae557f7b9dca23a0377c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05e3cbe5f089d47c50ee51d4ab2e5539156f1211d462ae557f7b9dca23a0377c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05e3cbe5f089d47c50ee51d4ab2e5539156f1211d462ae557f7b9dca23a0377c", kill_on_drop: false }` [INFO] [stdout] 05e3cbe5f089d47c50ee51d4ab2e5539156f1211d462ae557f7b9dca23a0377c [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b4f117beacfbba29df45616b0c9998bdaeebaeeb9f9e7668404b58d385112f3e [INFO] running `Command { std: "docker" "start" "-a" "b4f117beacfbba29df45616b0c9998bdaeebaeeb9f9e7668404b58d385112f3e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling wayland-sys v0.27.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking rustc-demangle v0.1.19 [INFO] [stderr] Checking object v0.24.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking downcast-rs v1.2.0 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Compiling wayland-scanner v0.27.0 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking webbrowser v0.5.5 [INFO] [stderr] Compiling wayland-client v0.27.0 [INFO] [stderr] Compiling wayland-protocols v0.27.0 [INFO] [stderr] Checking unicode-normalization v0.1.18 [INFO] [stderr] Checking getrandom v0.2.2 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking addr2line v0.15.1 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking os_pipe v0.9.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bzip2 v0.4.3 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Compiling xcb v0.9.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking flate2 v1.0.20 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking dirs v3.0.2 [INFO] [stderr] Checking tree_magic v0.2.3 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking wayland-commons v0.27.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling derive_more v0.99.14 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking x11-clipboard v0.5.1 [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` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromIterator<()>` is not implemented for `!` [INFO] [stdout] help: the trait `FromIterator>` is implemented for `Result` [INFO] [stdout] --> /rustc/88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c/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 for more information) [INFO] [stdout] = help: you might have intended to use the type `()` here instead [INFO] [stdout] = note: required for `Result` to implement `FromIterator>` [INFO] [stdout] note: required by a bound in `collect` [INFO] [stdout] --> /rustc/88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c/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] running `Command { std: "docker" "inspect" "b4f117beacfbba29df45616b0c9998bdaeebaeeb9f9e7668404b58d385112f3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4f117beacfbba29df45616b0c9998bdaeebaeeb9f9e7668404b58d385112f3e", kill_on_drop: false }` [INFO] [stdout] b4f117beacfbba29df45616b0c9998bdaeebaeeb9f9e7668404b58d385112f3e