[INFO] fetching crate drone-micropython-stm32 0.1.1...
[INFO] checking drone-micropython-stm32-0.1.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate drone-micropython-stm32 0.1.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate drone-micropython-stm32 0.1.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drone-micropython-stm32 0.1.1
[INFO] finished tweaking crates.io crate drone-micropython-stm32 0.1.1
[INFO] tweaked toml for crates.io crate drone-micropython-stm32 0.1.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clang-sys v0.23.0
[INFO] [stderr]   Downloaded bindgen v0.37.4
[INFO] [stderr]   Downloaded drone-micropython-core v0.1.1
[INFO] [stderr]   Downloaded drone-micropython-raw v0.1.1
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 658b035b101638a45785003c16ef877cf7a9e128cafa8dc8e2d966fa83a1d28a
[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" "658b035b101638a45785003c16ef877cf7a9e128cafa8dc8e2d966fa83a1d28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "658b035b101638a45785003c16ef877cf7a9e128cafa8dc8e2d966fa83a1d28a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658b035b101638a45785003c16ef877cf7a9e128cafa8dc8e2d966fa83a1d28a", kill_on_drop: false }`
[INFO] [stdout] 658b035b101638a45785003c16ef877cf7a9e128cafa8dc8e2d966fa83a1d28a
[INFO] running `Command { std: "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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2d1897c80267b3308c29edbe65a98a341979c3e50a653af1cfd939e82eaab17
[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" "b2d1897c80267b3308c29edbe65a98a341979c3e50a653af1cfd939e82eaab17", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking drone-ctypes v0.8.3
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]     Checking futures-util-preview v0.2.2
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking futures-executor-preview v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking futures-stable-preview v0.2.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking futures-async-runtime-preview v0.2.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]     Checking futures-preview v0.2.2
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling drone-macros-core v0.8.3
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling drone-mirror-failure v0.1.1
[INFO] [stderr]    Compiling serde-xml-rs v0.2.1
[INFO] [stderr]    Compiling drone-core-macros v0.8.3
[INFO] [stderr]    Compiling drone-stm32-macros v0.8.3
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/bitfield.rs:106:38
[INFO] [stdout]     |
[INFO] [stdout] 106 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stdout]     |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/drv/driver.rs:36:24
[INFO] [stdout]    |
[INFO] [stdout] 36 |   let def_site = Span::def_site();
[INFO] [stdout]    |                        ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/drv/resource.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |   let def_site = Span::def_site();
[INFO] [stdout]   |                        ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/heap.rs:67:38
[INFO] [stdout]    |
[INFO] [stdout] 67 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stdout]    |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/reg/map.rs:102:38
[INFO] [stdout]     |
[INFO] [stdout] 102 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stdout]     |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-stm32-macros-0.8.3/src/sv.rs:34:38
[INFO] [stdout]    |
[INFO] [stdout] 34 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stdout]    |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-stm32-macros-0.8.3/src/vtable.rs:86:38
[INFO] [stdout]    |
[INFO] [stdout] 86 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stdout]    |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/reg/map.rs:292:38
[INFO] [stdout]     |
[INFO] [stdout] 292 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stdout]     |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/reg/tokens.rs:105:38
[INFO] [stdout]     |
[INFO] [stdout] 105 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stdout]     |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drone-stm32-macros` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no function or associated item named `def_site` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/drone-core-macros-0.8.3/src/thr.rs:48:38
[INFO] [stdout]    |
[INFO] [stdout] 48 |   let (def_site, call_site) = (Span::def_site(), Span::call_site());
[INFO] [stdout]    |                                      ^^^^^^^^ function or associated item not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b2d1897c80267b3308c29edbe65a98a341979c3e50a653af1cfd939e82eaab17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d1897c80267b3308c29edbe65a98a341979c3e50a653af1cfd939e82eaab17", kill_on_drop: false }`
[INFO] [stdout] b2d1897c80267b3308c29edbe65a98a341979c3e50a653af1cfd939e82eaab17