[INFO] fetching crate agui_widgets 0.3.0...
[INFO] checking agui_widgets-0.3.0 against master#35d55b34bffd51384ac430cc20852b7d16dd5a90 for pr-145108
[INFO] extracting crate agui_widgets 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate agui_widgets 0.3.0
[INFO] finished tweaking crates.io crate agui_widgets 0.3.0
[INFO] tweaked toml for crates.io crate agui_widgets 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate agui_widgets 0.3.0 on toolchain 35d55b34bffd51384ac430cc20852b7d16dd5a90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 58 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.9.4)
[INFO] [stderr]       Adding downcast-rs v1.2.1 (available: v2.0.2)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded agui_macros v0.3.0
[INFO] [stderr]   Downloaded agui_core v0.3.0
[INFO] [stderr]   Downloaded agui_primitives v0.3.0
[INFO] [stderr]   Downloaded morphorm v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a8c287b45eb644a9cc5dd841adf6f1e1a5ca2150678f666b2073f7d153174a5
[INFO] running `Command { std: "docker" "start" "-a" "1a8c287b45eb644a9cc5dd841adf6f1e1a5ca2150678f666b2073f7d153174a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8c287b45eb644a9cc5dd841adf6f1e1a5ca2150678f666b2073f7d153174a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8c287b45eb644a9cc5dd841adf6f1e1a5ca2150678f666b2073f7d153174a5", kill_on_drop: false }`
[INFO] [stdout] 1a8c287b45eb644a9cc5dd841adf6f1e1a5ca2150678f666b2073f7d153174a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 142bc74dfa7241e5eaba174e7ae5a36eb5f0fb3a19d47926cc0dd1e2ad28f14f
[INFO] running `Command { std: "docker" "start" "-a" "142bc74dfa7241e5eaba174e7ae5a36eb5f0fb3a19d47926cc0dd1e2ad28f14f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking generational-arena v0.2.9
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking morphorm v0.2.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking euclid v0.22.11
[INFO] [stderr]     Checking float_next_after v0.1.5
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/35d55b34bffd51384ac430cc20852b7d16dd5a90/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=25e26c4e8a3547ee -C extra-filename=-f57ff5f17dc10a7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "142bc74dfa7241e5eaba174e7ae5a36eb5f0fb3a19d47926cc0dd1e2ad28f14f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "142bc74dfa7241e5eaba174e7ae5a36eb5f0fb3a19d47926cc0dd1e2ad28f14f", kill_on_drop: false }`
[INFO] [stdout] 142bc74dfa7241e5eaba174e7ae5a36eb5f0fb3a19d47926cc0dd1e2ad28f14f