[INFO] cloning repository https://github.com/jonandrewdavis/monthly-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonandrewdavis/monthly-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonandrewdavis%2Fmonthly-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonandrewdavis%2Fmonthly-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ad99407b7eaf8db2d62ea0d1df0c9aa8a3b99ac5 [INFO] building jonandrewdavis/monthly-rust against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonandrewdavis%2Fmonthly-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonandrewdavis/monthly-rust on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jonandrewdavis/monthly-rust [INFO] finished tweaking git repo https://github.com/jonandrewdavis/monthly-rust [INFO] tweaked toml for git repo https://github.com/jonandrewdavis/monthly-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jonandrewdavis/monthly-rust 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded watch v0.2.2 [INFO] [stderr] Downloaded accesskit_winit v0.7.2 [INFO] [stderr] Downloaded iced_graphics v0.4.0 [INFO] [stderr] Downloaded iced_winit v0.5.1 [INFO] [stderr] Downloaded block2 v0.2.0-alpha.7 [INFO] [stderr] Downloaded block-sys v0.1.0-beta.2 [INFO] [stderr] Downloaded objc-sys v0.2.0-beta.3 [INFO] [stderr] Downloaded accesskit_consumer v0.11.0 [INFO] [stderr] Downloaded accesskit_windows v0.10.2 [INFO] [stderr] Downloaded objc2-encode v2.0.0-pre.3 [INFO] [stderr] Downloaded iced_native v0.6.1 [INFO] [stderr] Downloaded iced_wgpu v0.6.1 [INFO] [stderr] Downloaded lyon_algorithms v1.0.2 [INFO] [stderr] Downloaded accesskit_macos v0.3.0 [INFO] [stderr] Downloaded lyon_tessellation v1.0.7 [INFO] [stderr] Downloaded objc2 v0.3.0-beta.4 [INFO] [stderr] Downloaded iced v0.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be0d9d0df2beb70f14221d7f72a414e9a60ac6ac3176c7ff3ed96f945fdd85ee [INFO] running `Command { std: "docker" "start" "-a" "be0d9d0df2beb70f14221d7f72a414e9a60ac6ac3176c7ff3ed96f945fdd85ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be0d9d0df2beb70f14221d7f72a414e9a60ac6ac3176c7ff3ed96f945fdd85ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be0d9d0df2beb70f14221d7f72a414e9a60ac6ac3176c7ff3ed96f945fdd85ee", kill_on_drop: false }` [INFO] [stdout] be0d9d0df2beb70f14221d7f72a414e9a60ac6ac3176c7ff3ed96f945fdd85ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6633ef503dac223104719aeca351a24c671d889bb4318d2cd2566aa57e77e1a [INFO] running `Command { std: "docker" "start" "-a" "c6633ef503dac223104719aeca351a24c671d889bb4318d2cd2566aa57e77e1a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling syn v1.0.105 [INFO] [stderr] Compiling serde v1.0.151 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling version-compare v0.1.1 [INFO] [stderr] Compiling libm v0.2.6 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling xml-rs v0.8.4 [INFO] [stderr] Compiling cfg-expr v0.11.0 [INFO] [stderr] Compiling libloading v0.7.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling thiserror v1.0.37 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 scopeguard v1.1.0 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling dlib v0.5.0 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling cty v0.2.2 [INFO] [stderr] Compiling wayland-sys v0.29.5 [INFO] [stderr] Compiling raw-window-handle v0.5.0 [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] Compiling slotmap v1.0.6 [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" "c6633ef503dac223104719aeca351a24c671d889bb4318d2cd2566aa57e77e1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6633ef503dac223104719aeca351a24c671d889bb4318d2cd2566aa57e77e1a", kill_on_drop: false }` [INFO] [stdout] c6633ef503dac223104719aeca351a24c671d889bb4318d2cd2566aa57e77e1a