[INFO] cloning repository https://github.com/Tacklebox/cursh [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tacklebox/cursh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTacklebox%2Fcursh", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTacklebox%2Fcursh'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1df24a0fca84f300afd83194c2657ee7dab541e7 [INFO] checking Tacklebox/cursh against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTacklebox%2Fcursh" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Tacklebox/cursh [INFO] finished tweaking git repo https://github.com/Tacklebox/cursh [INFO] tweaked toml for git repo https://github.com/Tacklebox/cursh written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Tacklebox/cursh 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/Tacklebox/cursh 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f8940e327ce4170130f966294d6f6348b8e0d8472d639f0ece6886bf265d1d20 [INFO] running `Command { std: "docker" "start" "-a" "f8940e327ce4170130f966294d6f6348b8e0d8472d639f0ece6886bf265d1d20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f8940e327ce4170130f966294d6f6348b8e0d8472d639f0ece6886bf265d1d20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8940e327ce4170130f966294d6f6348b8e0d8472d639f0ece6886bf265d1d20", kill_on_drop: false }` [INFO] [stdout] f8940e327ce4170130f966294d6f6348b8e0d8472d639f0ece6886bf265d1d20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0f0e56b7a27eb943a21ead61fbdfcd655721fd2dc2781aa72080c5062ce0b9b2 [INFO] running `Command { std: "docker" "start" "-a" "0f0e56b7a27eb943a21ead61fbdfcd655721fd2dc2781aa72080c5062ce0b9b2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling wayland-sys v0.27.0 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling quick-xml v0.22.0 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking indexmap v1.9.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking iana-time-zone v0.1.47 [INFO] [stderr] Compiling anyhow v1.0.64 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking aho-corasick v0.7.19 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking term_size v0.3.2 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking nix v0.18.0 [INFO] [stderr] Checking os_pipe v0.9.2 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Compiling xcb v0.10.1 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Compiling wayland-scanner v0.27.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking chrono v0.4.22 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking tree_magic v0.2.3 [INFO] [stderr] Compiling wayland-client v0.27.0 [INFO] [stderr] Compiling wayland-protocols v0.27.0 [INFO] [stderr] Checking stderrlog v0.4.3 [INFO] [stderr] Checking wayland-commons v0.27.0 [INFO] [stderr] Checking backtrace v0.3.66 [INFO] [stderr] Checking x11-clipboard v0.5.3 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking exitfailure v0.5.1 [INFO] [stderr] Checking structopt v0.3.26 [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" "0f0e56b7a27eb943a21ead61fbdfcd655721fd2dc2781aa72080c5062ce0b9b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f0e56b7a27eb943a21ead61fbdfcd655721fd2dc2781aa72080c5062ce0b9b2", kill_on_drop: false }` [INFO] [stdout] 0f0e56b7a27eb943a21ead61fbdfcd655721fd2dc2781aa72080c5062ce0b9b2