[INFO] crate drone-core 0.8.3 is already in cache
[INFO] extracting crate drone-core 0.8.3 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/drone-core/0.8.3
[INFO] extracting crate drone-core 0.8.3 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/drone-core/0.8.3
[INFO] validating manifest of drone-core-0.8.3 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of drone-core-0.8.3 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing drone-core-0.8.3
[INFO] finished frobbing drone-core-0.8.3
[INFO] frobbed toml for drone-core-0.8.3 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/drone-core/0.8.3/Cargo.toml
[INFO] started frobbing drone-core-0.8.3
[INFO] finished frobbing drone-core-0.8.3
[INFO] frobbed toml for drone-core-0.8.3 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/drone-core/0.8.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking drone-core-0.8.3 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/drone-core/0.8.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c77cb73496bd56b52ba4a49a58d962609d25e17245b479e5d3f76ab358656712
[INFO] running `"docker" "start" "-a" "c77cb73496bd56b52ba4a49a58d962609d25e17245b479e5d3f76ab358656712"`
[INFO] [stderr]    Compiling failure_derive v0.1.1
[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/crater/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/crater/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/crater/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/crater/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/crater/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]     Checking failure v0.1.1
[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/crater/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/crater/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/crater/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" "c77cb73496bd56b52ba4a49a58d962609d25e17245b479e5d3f76ab358656712"`
[INFO] running `"docker" "rm" "-f" "c77cb73496bd56b52ba4a49a58d962609d25e17245b479e5d3f76ab358656712"`
[INFO] [stdout] c77cb73496bd56b52ba4a49a58d962609d25e17245b479e5d3f76ab358656712