[INFO] fetching crate dodo-derive 0.3.0...
[INFO] checking dodo-derive-0.3.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate dodo-derive 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate dodo-derive 0.3.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dodo-derive 0.3.0
[INFO] finished tweaking crates.io crate dodo-derive 0.3.0
[INFO] tweaked toml for crates.io crate dodo-derive 0.3.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] e348e2ed8ff6bcd1a4fea7d8622c601d305d23301ca9d92a92341d90ff9d1aef
[INFO] running `Command { std: "docker" "start" "-a" "e348e2ed8ff6bcd1a4fea7d8622c601d305d23301ca9d92a92341d90ff9d1aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e348e2ed8ff6bcd1a4fea7d8622c601d305d23301ca9d92a92341d90ff9d1aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e348e2ed8ff6bcd1a4fea7d8622c601d305d23301ca9d92a92341d90ff9d1aef", kill_on_drop: false }`
[INFO] [stdout] e348e2ed8ff6bcd1a4fea7d8622c601d305d23301ca9d92a92341d90ff9d1aef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 2ef91a75422c8c3011a029a5625889d505645e49b8ee3df39d71cc02e2d4e741
[INFO] running `Command { std: "docker" "start" "-a" "2ef91a75422c8c3011a029a5625889d505645e49b8ee3df39d71cc02e2d4e741", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.70
[INFO] [stderr]     Checking dodo-derive v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/lib.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{Data, DataStruct, DeriveInput, export::TokenStream, Fields};
[INFO] [stdout]   |                                          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/lib.rs:4:42
[INFO] [stdout]   |
[INFO] [stdout] 4 | use syn::{Data, DataStruct, DeriveInput, export::TokenStream, Fields};
[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] [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 `dodo-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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2ef91a75422c8c3011a029a5625889d505645e49b8ee3df39d71cc02e2d4e741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef91a75422c8c3011a029a5625889d505645e49b8ee3df39d71cc02e2d4e741", kill_on_drop: false }`
[INFO] [stdout] 2ef91a75422c8c3011a029a5625889d505645e49b8ee3df39d71cc02e2d4e741