[INFO] fetching crate bevy_reflect_derive 0.4.0...
[INFO] checking bevy_reflect_derive-0.4.0 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate bevy_reflect_derive 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bevy_reflect_derive 0.4.0 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bevy_reflect_derive 0.4.0
[INFO] finished tweaking crates.io crate bevy_reflect_derive 0.4.0
[INFO] tweaked toml for crates.io crate bevy_reflect_derive 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 241752b7c7422c4aec566f556d265e379818e15ba3568729a2d84f25fd5682ea
[INFO] running `Command { std: "docker" "start" "-a" "241752b7c7422c4aec566f556d265e379818e15ba3568729a2d84f25fd5682ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "241752b7c7422c4aec566f556d265e379818e15ba3568729a2d84f25fd5682ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241752b7c7422c4aec566f556d265e379818e15ba3568729a2d84f25fd5682ea", kill_on_drop: false }`
[INFO] [stdout] 241752b7c7422c4aec566f556d265e379818e15ba3568729a2d84f25fd5682ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f24c306fb0613e4b70f328b2eb3019603ab6bb32a9ecb1300cab6d1af74f9049
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f24c306fb0613e4b70f328b2eb3019603ab6bb32a9ecb1300cab6d1af74f9049", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking find-crate v0.6.3
[INFO] [stderr]     Checking bevy_reflect_derive v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::ItemTrait`
[INFO] [stdout]  --> src/reflect_trait.rs:4:62
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse::Parse, parse_macro_input, Attribute, Ident, ItemTrait, Token};
[INFO] [stdout]   |                                                              ^^^^^^^^^ no `ItemTrait` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::ItemTrait`
[INFO] [stdout]  --> src/reflect_trait.rs:4:62
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{parse::Parse, parse_macro_input, Attribute, Ident, ItemTrait, Token};
[INFO] [stdout]   |                                                              ^^^^^^^^^ no `ItemTrait` in the root
[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 `bevy_reflect_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" "f24c306fb0613e4b70f328b2eb3019603ab6bb32a9ecb1300cab6d1af74f9049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24c306fb0613e4b70f328b2eb3019603ab6bb32a9ecb1300cab6d1af74f9049", kill_on_drop: false }`
[INFO] [stdout] f24c306fb0613e4b70f328b2eb3019603ab6bb32a9ecb1300cab6d1af74f9049