[INFO] cloning repository https://github.com/adrifcastr/rex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adrifcastr/rex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrifcastr%2Frex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrifcastr%2Frex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bad57cb527d2e285299cbd7d12082cbe100f064
[INFO] checking adrifcastr/rex/7bad57cb527d2e285299cbd7d12082cbe100f064 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrifcastr%2Frex" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/adrifcastr/rex on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adrifcastr/rex
[INFO] finished tweaking git repo https://github.com/adrifcastr/rex
[INFO] tweaked toml for git repo https://github.com/adrifcastr/rex written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/adrifcastr/rex 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded poll-promise v0.1.0
[INFO] [stderr]   Downloaded flume v0.10.11
[INFO] [stderr]   Downloaded ehttp v0.2.0
[INFO] [stderr]   Downloaded graphql_query_derive v0.11.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.6
[INFO] [stderr]   Downloaded egui_extras v0.19.0
[INFO] [stderr]   Downloaded nanorand v0.6.1
[INFO] [stderr]   Downloaded fontconfig-parser v0.5.0
[INFO] [stderr]   Downloaded egui-winit v0.19.0
[INFO] [stderr]   Downloaded unicode-general-category v0.4.0
[INFO] [stderr]   Downloaded calloop v0.10.1
[INFO] [stderr]   Downloaded sctk-adwaita v0.4.2
[INFO] [stderr]   Downloaded ab_glyph v0.2.17
[INFO] [stderr]   Downloaded egui_glow v0.19.0
[INFO] [stderr]   Downloaded crossfont v0.5.0
[INFO] [stderr]   Downloaded usvg v0.23.0
[INFO] [stderr]   Downloaded ureq v2.5.0
[INFO] [stderr]   Downloaded voca_rs v1.14.0
[INFO] [stderr]   Downloaded graphql_client_codegen v0.11.0
[INFO] [stderr]   Downloaded tracing v0.1.27
[INFO] [stderr]   Downloaded resvg v0.23.0
[INFO] [stderr]   Downloaded kurbo v0.8.3
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[INFO] [stderr]   Downloaded egui v0.19.0
[INFO] [stderr]   Downloaded ndk-sys v0.4.0
[INFO] [stderr]   Downloaded webpki-roots v0.22.5
[INFO] [stderr]   Downloaded exr v1.5.1
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[INFO] [stderr]   Downloaded graphql_client v0.11.0
[INFO] [stderr]   Downloaded winit v0.27.3
[INFO] [stderr]   Downloaded ahash v0.8.0
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[INFO] [stderr]   Downloaded svgfilters v0.4.0
[INFO] [stderr]   Downloaded data-url v0.1.1
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[INFO] [stderr]   Downloaded svgtypes v0.8.1
[INFO] [stderr]   Downloaded stfu8 v0.2.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.44
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0a6581118ee3d7a5ea4e3294579ff5a69928d5ae808b22e35f07e9b932b86da
[INFO] running `Command { std: "docker" "start" "-a" "b0a6581118ee3d7a5ea4e3294579ff5a69928d5ae808b22e35f07e9b932b86da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a6581118ee3d7a5ea4e3294579ff5a69928d5ae808b22e35f07e9b932b86da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a6581118ee3d7a5ea4e3294579ff5a69928d5ae808b22e35f07e9b932b86da", kill_on_drop: false }`
[INFO] [stdout] b0a6581118ee3d7a5ea4e3294579ff5a69928d5ae808b22e35f07e9b932b86da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca9155100304194e577b3336753da9f92c9658d5eb3ee7899ead6fcc0a29bf22
[INFO] running `Command { std: "docker" "start" "-a" "ca9155100304194e577b3336753da9f92c9658d5eb3ee7899ead6fcc0a29bf22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.44
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.133
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking ttf-parser v0.15.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.44/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]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ca9155100304194e577b3336753da9f92c9658d5eb3ee7899ead6fcc0a29bf22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9155100304194e577b3336753da9f92c9658d5eb3ee7899ead6fcc0a29bf22", kill_on_drop: false }`
[INFO] [stdout] ca9155100304194e577b3336753da9f92c9658d5eb3ee7899ead6fcc0a29bf22