[INFO] fetching crate drone-core-macros 0.12.0...
[INFO] checking drone-core-macros-0.12.0 against try#d93021f5faa26e4f9d2719e79f9974e06aa40e17 for pr-71873
[INFO] extracting crate drone-core-macros 0.12.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate drone-core-macros 0.12.0 on toolchain d93021f5faa26e4f9d2719e79f9974e06aa40e17
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate drone-core-macros 0.12.0
[INFO] finished tweaking crates.io crate drone-core-macros 0.12.0
[INFO] tweaked toml for crates.io crate drone-core-macros 0.12.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drone-macros-core v0.12.0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d93021f5faa26e4f9d2719e79f9974e06aa40e17" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7e216cc0c441da8df42ddffd3f99f0b47557a388f3b645856849336ec7e77ff3
[INFO] running `"docker" "start" "-a" "7e216cc0c441da8df42ddffd3f99f0b47557a388f3b645856849336ec7e77ff3"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking if_chain v1.0.0
[INFO] [stderr]     Checking anyhow v1.0.31
[INFO] [stderr]     Checking drone-macros-core v0.12.0
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking drone-config v0.12.2
[INFO] [stderr]     Checking drone-core-macros v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the trait bound `drone_macros_core::cfg_cond::CfgCond: syn::parse::Parse` is not satisfied
[INFO] [stderr]   --> src/periph.rs:84:30
[INFO] [stderr]    |
[INFO] [stderr] 84 |         let features = input.parse()?;
[INFO] [stderr]    |                              ^^^^^ the trait `syn::parse::Parse` is not implemented for `drone_macros_core::cfg_cond::CfgCond`
[INFO] [stderr]    |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-macros-core-0.12.0/src/cfg_cond.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | / impl Parse for CfgCond {
[INFO] [stderr] 20 | |     fn parse(input: ParseStream<'_>) -> Result<Self> {
[INFO] [stderr] 21 | |         let mut clauses = Vec::new();
[INFO] [stderr] 22 | |         if input.peek(Token![#]) {
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |     }
[INFO] [stderr] 53 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    = note: perhaps two different versions of crate `syn` are being used?
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `drone_macros_core::cfg_cond::CfgCond: syn::parse::Parse` is not satisfied
[INFO] [stderr]    --> src/periph.rs:119:30
[INFO] [stderr]     |
[INFO] [stderr] 119 |         let features = input.parse()?;
[INFO] [stderr]     |                              ^^^^^ the trait `syn::parse::Parse` is not implemented for `drone_macros_core::cfg_cond::CfgCond`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-macros-core-0.12.0/src/cfg_cond.rs:19:1
[INFO] [stderr]     |
[INFO] [stderr] 19  | / impl Parse for CfgCond {
[INFO] [stderr] 20  | |     fn parse(input: ParseStream<'_>) -> Result<Self> {
[INFO] [stderr] 21  | |         let mut clauses = Vec::new();
[INFO] [stderr] 22  | |         if input.peek(Token![#]) {
[INFO] [stderr] ...   |
[INFO] [stderr] 52  | |     }
[INFO] [stderr] 53  | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `syn` are being used?
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `drone_macros_core::cfg_cond::CfgCond: syn::parse::Parse` is not satisfied
[INFO] [stderr]    --> src/periph_map.rs:132:30
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let features = input.parse()?;
[INFO] [stderr]     |                              ^^^^^ the trait `syn::parse::Parse` is not implemented for `drone_macros_core::cfg_cond::CfgCond`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-macros-core-0.12.0/src/cfg_cond.rs:19:1
[INFO] [stderr]     |
[INFO] [stderr] 19  | / impl Parse for CfgCond {
[INFO] [stderr] 20  | |     fn parse(input: ParseStream<'_>) -> Result<Self> {
[INFO] [stderr] 21  | |         let mut clauses = Vec::new();
[INFO] [stderr] 22  | |         if input.peek(Token![#]) {
[INFO] [stderr] ...   |
[INFO] [stderr] 52  | |     }
[INFO] [stderr] 53  | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `syn` are being used?
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `drone_macros_core::cfg_cond::CfgCond: syn::parse::Parse` is not satisfied
[INFO] [stderr]    --> src/periph_map.rs:177:30
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let features = input.parse()?;
[INFO] [stderr]     |                              ^^^^^ the trait `syn::parse::Parse` is not implemented for `drone_macros_core::cfg_cond::CfgCond`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-macros-core-0.12.0/src/cfg_cond.rs:19:1
[INFO] [stderr]     |
[INFO] [stderr] 19  | / impl Parse for CfgCond {
[INFO] [stderr] 20  | |     fn parse(input: ParseStream<'_>) -> Result<Self> {
[INFO] [stderr] 21  | |         let mut clauses = Vec::new();
[INFO] [stderr] 22  | |         if input.peek(Token![#]) {
[INFO] [stderr] ...   |
[INFO] [stderr] 52  | |     }
[INFO] [stderr] 53  | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `syn` are being used?
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `drone_macros_core::cfg_cond::CfgCond: syn::parse::Parse` is not satisfied
[INFO] [stderr]    --> src/periph_singular.rs:104:30
[INFO] [stderr]     |
[INFO] [stderr] 104 |         let features = input.parse()?;
[INFO] [stderr]     |                              ^^^^^ the trait `syn::parse::Parse` is not implemented for `drone_macros_core::cfg_cond::CfgCond`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-macros-core-0.12.0/src/cfg_cond.rs:19:1
[INFO] [stderr]     |
[INFO] [stderr] 19  | / impl Parse for CfgCond {
[INFO] [stderr] 20  | |     fn parse(input: ParseStream<'_>) -> Result<Self> {
[INFO] [stderr] 21  | |         let mut clauses = Vec::new();
[INFO] [stderr] 22  | |         if input.peek(Token![#]) {
[INFO] [stderr] ...   |
[INFO] [stderr] 52  | |     }
[INFO] [stderr] 53  | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `syn` are being used?
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `drone_macros_core::cfg_cond::CfgCond: syn::parse::Parse` is not satisfied
[INFO] [stderr]    --> src/periph_singular.rs:122:30
[INFO] [stderr]     |
[INFO] [stderr] 122 |         let features = input.parse()?;
[INFO] [stderr]     |                              ^^^^^ the trait `syn::parse::Parse` is not implemented for `drone_macros_core::cfg_cond::CfgCond`
[INFO] [stderr]     |
[INFO] [stderr] help: trait impl with same name found
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-macros-core-0.12.0/src/cfg_cond.rs:19:1
[INFO] [stderr]     |
[INFO] [stderr] 19  | / impl Parse for CfgCond {
[INFO] [stderr] 20  | |     fn parse(input: ParseStream<'_>) -> Result<Self> {
[INFO] [stderr] 21  | |         let mut clauses = Vec::new();
[INFO] [stderr] 22  | |         if input.peek(Token![#]) {
[INFO] [stderr] ...   |
[INFO] [stderr] 52  | |     }
[INFO] [stderr] 53  | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     = note: perhaps two different versions of crate `syn` are being used?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `drone-core-macros`.
[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 `"docker" "inspect" "7e216cc0c441da8df42ddffd3f99f0b47557a388f3b645856849336ec7e77ff3"`
[INFO] running `"docker" "rm" "-f" "7e216cc0c441da8df42ddffd3f99f0b47557a388f3b645856849336ec7e77ff3"`
[INFO] [stdout] 7e216cc0c441da8df42ddffd3f99f0b47557a388f3b645856849336ec7e77ff3