[INFO] fetching crate amnion 0.1.0...
[INFO] checking amnion-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate amnion 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate amnion 0.1.0
[INFO] finished tweaking crates.io crate amnion 0.1.0
[INFO] tweaked toml for crates.io crate amnion 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate amnion 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate amnion 0.1.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded native-dialog v0.6.3
[INFO] [stderr]   Downloaded iced_style v0.4.0
[INFO] [stderr]   Downloaded amnion-backend v0.1.0
[INFO] [stderr]   Downloaded amnion-frontend v0.1.0
[INFO] [stderr]   Downloaded clipboard_x11 v0.4.0
[INFO] [stderr]   Downloaded clipboard-win v4.4.2
[INFO] [stderr]   Downloaded iced_futures v0.4.1
[INFO] [stderr]   Downloaded ab_glyph v0.2.18
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.7
[INFO] [stderr]   Downloaded glyph_brush v0.7.5
[INFO] [stderr]   Downloaded openssl-sys v0.9.77
[INFO] [stderr]   Downloaded euclid v0.22.7
[INFO] [stderr]   Downloaded wgpu_glyph v0.16.0
[INFO] [stderr]   Downloaded x11-dl v2.20.0
[INFO] [stderr]   Downloaded owned_ttf_parser v0.17.0
[INFO] [stderr]   Downloaded hyper v0.14.22
[INFO] [stderr]   Downloaded reqwest v0.11.12
[INFO] [stderr]   Downloaded wgpu-hal v0.12.5
[INFO] [stderr]   Downloaded megalodon v0.2.0
[INFO] [stderr]   Downloaded openssl v0.10.42
[INFO] [stderr]   Downloaded iced_graphics v0.3.1
[INFO] [stderr]   Downloaded iced_native v0.5.1
[INFO] [stderr]   Downloaded profiling v1.0.7
[INFO] [stderr]   Downloaded naga v0.8.5
[INFO] [stderr]   Downloaded iced_wgpu v0.5.1
[INFO] [stderr]   Downloaded iced v0.4.2
[INFO] [stderr]   Downloaded ordered-float v3.3.0
[INFO] [stderr]   Downloaded inplace_it v0.3.5
[INFO] [stderr]   Downloaded window_clipboard v0.2.3
[INFO] [stderr]   Downloaded iced_winit v0.4.0
[INFO] [stderr]   Downloaded bytemuck_derive v1.3.0
[INFO] [stderr]   Downloaded iced_core v0.5.0
[INFO] [stderr]   Downloaded oauth2 v4.2.3
[INFO] [stderr]   Downloaded iced_aw v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc4f907e4d8feba25fc91867de25067c8645bae27b42ed53bfe9bf733fbb2033
[INFO] running `Command { std: "docker" "start" "-a" "fc4f907e4d8feba25fc91867de25067c8645bae27b42ed53bfe9bf733fbb2033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4f907e4d8feba25fc91867de25067c8645bae27b42ed53bfe9bf733fbb2033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4f907e4d8feba25fc91867de25067c8645bae27b42ed53bfe9bf733fbb2033", kill_on_drop: false }`
[INFO] [stdout] fc4f907e4d8feba25fc91867de25067c8645bae27b42ed53bfe9bf733fbb2033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d84448ed4db606a56513d5e31aa629b2720667468e69370dbb3da6c88be7ef9
[INFO] running `Command { std: "docker" "start" "-a" "5d84448ed4db606a56513d5e31aa629b2720667468e69370dbb3da6c88be7ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling xml-rs v0.8.4
[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]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking cty v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking itoa v1.0.4
[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" "5d84448ed4db606a56513d5e31aa629b2720667468e69370dbb3da6c88be7ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d84448ed4db606a56513d5e31aa629b2720667468e69370dbb3da6c88be7ef9", kill_on_drop: false }`
[INFO] [stdout] 5d84448ed4db606a56513d5e31aa629b2720667468e69370dbb3da6c88be7ef9