[INFO] cloning repository https://github.com/italoag/rfb-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/italoag/rfb-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaloag%2Frfb-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaloag%2Frfb-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a6b68bbe3dc61d9717442a8e51e3ba4e1626665
[INFO] testing italoag/rfb-rs against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaloag%2Frfb-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/italoag/rfb-rs on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/italoag/rfb-rs
[INFO] finished tweaking git repo https://github.com/italoag/rfb-rs
[INFO] tweaked toml for git repo https://github.com/italoag/rfb-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/italoag/rfb-rs 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wtools v0.2.1
[INFO] [stderr]   Downloaded woptions v0.1.3
[INFO] [stderr]   Downloaded rustc-workspace-hack v1.0.0
[INFO] [stderr]   Downloaded cmd_lib_macros v1.3.0
[INFO] [stderr]   Downloaded git-testament v0.2.1
[INFO] [stderr]   Downloaded os_pipe v0.9.2
[INFO] [stderr]   Downloaded os_info v3.5.1
[INFO] [stderr]   Downloaded cargo-udeps v0.1.34
[INFO] [stderr]   Downloaded ahash v0.8.1
[INFO] [stderr]   Downloaded polars v0.25.1
[INFO] [stderr]   Downloaded wstring_tools v0.1.5
[INFO] [stderr]   Downloaded polars-plan v0.25.1
[INFO] [stderr]   Downloaded time_tools v0.1.4
[INFO] [stderr]   Downloaded typing_tools v0.1.5
[INFO] [stderr]   Downloaded mod_interface v0.1.16
[INFO] [stderr]   Downloaded former v0.1.12
[INFO] [stderr]   Downloaded impls_index_meta v0.1.1
[INFO] [stderr]   Downloaded former_meta v0.1.12
[INFO] [stderr]   Downloaded strs_tools v0.1.8
[INFO] [stderr]   Downloaded wca v0.1.3
[INFO] [stderr]   Downloaded werror v0.1.3
[INFO] [stderr]   Downloaded proc_macro_tools v0.1.17
[INFO] [stderr]   Downloaded ethnum v1.3.0
[INFO] [stderr]   Downloaded paris v1.5.13
[INFO] [stderr]   Downloaded polars-arrow v0.25.1
[INFO] [stderr]   Downloaded polars-time v0.25.1
[INFO] [stderr]   Downloaded self_update v0.32.0
[INFO] [stderr]   Downloaded parse-display-derive v0.5.5
[INFO] [stderr]   Downloaded rustfix v0.6.1
[INFO] [stderr]   Downloaded serde_ignored v0.1.5
[INFO] [stderr]   Downloaded inflector-plus v0.11.7
[INFO] [stderr]   Downloaded polars-pipe v0.25.1
[INFO] [stderr]   Downloaded syslog v5.0.0
[INFO] [stderr]   Downloaded slog-syslog v0.13.0
[INFO] [stderr]   Downloaded is_slice v0.1.1
[INFO] [stderr]   Downloaded structmeta-derive v0.1.5
[INFO] [stderr]   Downloaded structmeta v0.1.5
[INFO] [stderr]   Downloaded cmd_lib v1.3.0
[INFO] [stderr]   Downloaded diesel-dynamic-schema v0.2.0
[INFO] [stderr]   Downloaded polars-ops v0.25.1
[INFO] [stderr]   Downloaded implements v0.1.1
[INFO] [stderr]   Downloaded parse-display v0.5.5
[INFO] [stderr]   Downloaded git-testament-derive v0.1.13
[INFO] [stderr]   Downloaded polars-utils v0.25.1
[INFO] [stderr]   Downloaded inspect_type v0.1.2
[INFO] [stderr]   Downloaded for_each v0.1.3
[INFO] [stderr]   Downloaded woptions_meta v0.1.3
[INFO] [stderr]   Downloaded woptions_runtime v0.1.3
[INFO] [stderr]   Downloaded cargo v0.65.0
[INFO] [stderr]   Downloaded curl-sys v0.4.58+curl-7.86.0
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 505c2714b4b01611e28afc328773ed2fb5f07749713d9e02fe721c0cae5e210b
[INFO] running `Command { std: "docker" "start" "-a" "505c2714b4b01611e28afc328773ed2fb5f07749713d9e02fe721c0cae5e210b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "505c2714b4b01611e28afc328773ed2fb5f07749713d9e02fe721c0cae5e210b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "505c2714b4b01611e28afc328773ed2fb5f07749713d9e02fe721c0cae5e210b", kill_on_drop: false }`
[INFO] [stdout] 505c2714b4b01611e28afc328773ed2fb5f07749713d9e02fe721c0cae5e210b
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57f38f8976e6675f937d5c3215f85b238734fb2f719162d8add7c781e9148c23
[INFO] running `Command { std: "docker" "start" "-a" "57f38f8976e6675f937d5c3215f85b238734fb2f719162d8add7c781e9148c23", kill_on_drop: false }`
[INFO] [stderr] warning: rfb-rs v0.1.0 (/opt/rustwide/workdir) ignoring invalid dependency `cargo-sort` which is missing a lib target
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "57f38f8976e6675f937d5c3215f85b238734fb2f719162d8add7c781e9148c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57f38f8976e6675f937d5c3215f85b238734fb2f719162d8add7c781e9148c23", kill_on_drop: false }`
[INFO] [stdout] 57f38f8976e6675f937d5c3215f85b238734fb2f719162d8add7c781e9148c23