[INFO] fetching crate drone-fatfs 0.2.3...
[INFO] checking drone-fatfs-0.2.3 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate drone-fatfs 0.2.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate drone-fatfs 0.2.3 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drone-fatfs 0.2.3
[INFO] finished tweaking crates.io crate drone-fatfs 0.2.3
[INFO] tweaked toml for crates.io crate drone-fatfs 0.2.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44d0dfa9a28fcd3cfcc4634a9cf61ae51deebbd2f68d1143676649c17fd6b722
[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" "44d0dfa9a28fcd3cfcc4634a9cf61ae51deebbd2f68d1143676649c17fd6b722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d0dfa9a28fcd3cfcc4634a9cf61ae51deebbd2f68d1143676649c17fd6b722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d0dfa9a28fcd3cfcc4634a9cf61ae51deebbd2f68d1143676649c17fd6b722", kill_on_drop: false }`
[INFO] [stdout] 44d0dfa9a28fcd3cfcc4634a9cf61ae51deebbd2f68d1143676649c17fd6b722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fda777f9d3665b69165f2e14a073133fa80b863d63afd3d9ae48ba667b2f10f6
[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" "fda777f9d3665b69165f2e14a073133fa80b863d63afd3d9ae48ba667b2f10f6", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling drone-fatfs-raw v0.2.3
[INFO] [stderr]    Compiling drone-core-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-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[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] [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: 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 `Command { std: "docker" "inspect" "fda777f9d3665b69165f2e14a073133fa80b863d63afd3d9ae48ba667b2f10f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fda777f9d3665b69165f2e14a073133fa80b863d63afd3d9ae48ba667b2f10f6", kill_on_drop: false }`
[INFO] [stdout] fda777f9d3665b69165f2e14a073133fa80b863d63afd3d9ae48ba667b2f10f6