[INFO] fetching crate imgui-ext-derive 0.3.0...
[INFO] checking imgui-ext-derive-0.3.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate imgui-ext-derive 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate imgui-ext-derive 0.3.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imgui-ext-derive 0.3.0
[INFO] finished tweaking crates.io crate imgui-ext-derive 0.3.0
[INFO] tweaked toml for crates.io crate imgui-ext-derive 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32856a0b0bbe19cdbdbc407eac3075218118f807432f5a1c26f669fe5b4b107c
[INFO] running `Command { std: "docker" "start" "-a" "32856a0b0bbe19cdbdbc407eac3075218118f807432f5a1c26f669fe5b4b107c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32856a0b0bbe19cdbdbc407eac3075218118f807432f5a1c26f669fe5b4b107c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32856a0b0bbe19cdbdbc407eac3075218118f807432f5a1c26f669fe5b4b107c", kill_on_drop: false }`
[INFO] [stdout] 32856a0b0bbe19cdbdbc407eac3075218118f807432f5a1c26f669fe5b4b107c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd0f7b21936a2734086edba6b561e360e75333af216ba48d07c13a86288efa65
[INFO] running `Command { std: "docker" "start" "-a" "dd0f7b21936a2734086edba6b561e360e75333af216ba48d07c13a86288efa65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.73
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking imgui-ext-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::export::Span;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/error.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | use syn::export::Span;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `imgui-ext-derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "dd0f7b21936a2734086edba6b561e360e75333af216ba48d07c13a86288efa65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd0f7b21936a2734086edba6b561e360e75333af216ba48d07c13a86288efa65", kill_on_drop: false }`
[INFO] [stdout] dd0f7b21936a2734086edba6b561e360e75333af216ba48d07c13a86288efa65