[INFO] fetching crate drone-micropython-core 0.1.1...
[INFO] checking drone-micropython-core-0.1.1 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate drone-micropython-core 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate drone-micropython-core 0.1.1 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate drone-micropython-core 0.1.1
[INFO] finished tweaking crates.io crate drone-micropython-core 0.1.1
[INFO] tweaked toml for crates.io crate drone-micropython-core 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] b811b4bb7f5d7c736264119bce6ef78e793d9f5ae6ece884db752fe5ae98f994
[INFO] running `"docker" "start" "-a" "b811b4bb7f5d7c736264119bce6ef78e793d9f5ae6ece884db752fe5ae98f994"`
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]     Checking drone-ctypes v0.8.3
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]     Checking futures-util-preview v0.2.2
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking futures-executor-preview v0.2.2
[INFO] [stderr]     Checking futures-stable-preview v0.2.3
[INFO] [stderr]     Checking futures-async-runtime-preview v0.2.3
[INFO] [stderr]     Checking futures-preview v0.2.2
[INFO] [stderr]    Compiling drone-macros-core v0.8.3
[INFO] [stderr]    Compiling drone-core-macros v0.8.3
[INFO] [stderr] error[E0599]: no function or associated item named `def_site` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/bitfield.rs:106:38
[INFO] [stderr]     |
[INFO] [stderr] 106 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stderr]     |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `def_site` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/drv/driver.rs:36:24
[INFO] [stderr]    |
[INFO] [stderr] 36 |   let def_site = Span::def_site();
[INFO] [stderr]    |                        ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `def_site` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/drv/resource.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |   let def_site = Span::def_site();
[INFO] [stderr]   |                        ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `def_site` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/heap.rs:67:38
[INFO] [stderr]    |
[INFO] [stderr] 67 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stderr]    |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `def_site` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/reg/map.rs:102:38
[INFO] [stderr]     |
[INFO] [stderr] 102 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stderr]     |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `def_site` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/reg/map.rs:292:38
[INFO] [stderr]     |
[INFO] [stderr] 292 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stderr]     |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `def_site` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/reg/tokens.rs:105:38
[INFO] [stderr]     |
[INFO] [stderr] 105 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stderr]     |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `def_site` found for type `proc_macro2::Span` in the current scope
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/thr.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stderr]    |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `drone-core-macros`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b811b4bb7f5d7c736264119bce6ef78e793d9f5ae6ece884db752fe5ae98f994"`
[INFO] running `"docker" "rm" "-f" "b811b4bb7f5d7c736264119bce6ef78e793d9f5ae6ece884db752fe5ae98f994"`
[INFO] [stdout] b811b4bb7f5d7c736264119bce6ef78e793d9f5ae6ece884db752fe5ae98f994