[INFO] fetching crate displaydoc-lite 0.1.3...
[INFO] checking displaydoc-lite-0.1.3 against try#ef8c760c4c3d93b561a5b431502e92f4b4773aca for pr-92472
[INFO] extracting crate displaydoc-lite 0.1.3 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate displaydoc-lite 0.1.3 on toolchain ef8c760c4c3d93b561a5b431502e92f4b4773aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate displaydoc-lite 0.1.3
[INFO] finished tweaking crates.io crate displaydoc-lite 0.1.3
[INFO] tweaked toml for crates.io crate displaydoc-lite 0.1.3 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "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" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f01a6419f916c4faba01807165ccd2df34b1c576ce02bff31c0e7b578fa879df
[INFO] running `Command { std: "docker" "start" "-a" "f01a6419f916c4faba01807165ccd2df34b1c576ce02bff31c0e7b578fa879df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f01a6419f916c4faba01807165ccd2df34b1c576ce02bff31c0e7b578fa879df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01a6419f916c4faba01807165ccd2df34b1c576ce02bff31c0e7b578fa879df", kill_on_drop: false }`
[INFO] [stdout] f01a6419f916c4faba01807165ccd2df34b1c576ce02bff31c0e7b578fa879df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+ef8c760c4c3d93b561a5b431502e92f4b4773aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2797394e15db8af613a5c8b9e1ce072ac6ad10ea207c3f84c09799a77bb2aad9
[INFO] running `Command { std: "docker" "start" "-a" "2797394e15db8af613a5c8b9e1ce072ac6ad10ea207c3f84c09799a77bb2aad9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling displaydoc-lite-proc_macros v0.1.3
[INFO] [stderr]     Checking displaydoc-lite v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> src/lib.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |           $crate::__private::proc_macros::__struct_string__!($f, $($doc)*)
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | /     displaydoc! {
[INFO] [stdout] 207 | |         /// Hello
[INFO] [stdout] 208 | |         #[derive(Debug)]
[INFO] [stdout] 209 | |         enum Error {
[INFO] [stdout] ...   |
[INFO] [stdout] 220 | |         }
[INFO] [stdout] 221 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: explicit panic
[INFO] [stdout]     = note: this error originates in the macro `$crate::__get_doc_string__` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> src/lib.rs:94:16
[INFO] [stdout]     |
[INFO] [stdout] 94  |           if let $crate::__private::proc_macros::__tuple_bindings__!($name, $variant, $($field_ty,)*) = $this {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | /     displaydoc! {
[INFO] [stdout] 207 | |         /// Hello
[INFO] [stdout] 208 | |         #[derive(Debug)]
[INFO] [stdout] 209 | |         enum Error {
[INFO] [stdout] ...   |
[INFO] [stdout] 220 | |         }
[INFO] [stdout] 221 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: explicit panic
[INFO] [stdout]     = note: this error originates in the macro `$crate::__parse_enum_variant__` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> src/lib.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |           $crate::__private::proc_macros::__struct_string__!($f, $($doc)*)
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | /     displaydoc! {
[INFO] [stdout] 207 | |         /// Hello
[INFO] [stdout] 208 | |         #[derive(Debug)]
[INFO] [stdout] 209 | |         enum Error {
[INFO] [stdout] ...   |
[INFO] [stdout] 220 | |         }
[INFO] [stdout] 221 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: explicit panic
[INFO] [stdout]     = note: this error originates in the macro `$crate::__get_doc_string__` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> src/lib.rs:94:16
[INFO] [stdout]     |
[INFO] [stdout] 94  |           if let $crate::__private::proc_macros::__tuple_bindings__!($name, $variant, $($field_ty,)*) = $this {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | /     displaydoc! {
[INFO] [stdout] 207 | |         /// Hello
[INFO] [stdout] 208 | |         #[derive(Debug)]
[INFO] [stdout] 209 | |         enum Error {
[INFO] [stdout] ...   |
[INFO] [stdout] 220 | |         }
[INFO] [stdout] 221 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: explicit panic
[INFO] [stdout]     = note: this error originates in the macro `$crate::__parse_enum_variant__` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]    --> src/lib.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |           $crate::__private::proc_macros::__struct_string__!($f, $($doc)*)
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 206 | /     displaydoc! {
[INFO] [stdout] 207 | |         /// Hello
[INFO] [stdout] 208 | |         #[derive(Debug)]
[INFO] [stdout] 209 | |         enum Error {
[INFO] [stdout] ...   |
[INFO] [stdout] 220 | |         }
[INFO] [stdout] 221 | |     }
[INFO] [stdout]     | |_____- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: message: explicit panic
[INFO] [stdout]     = note: this error originates in the macro `$crate::__get_doc_string__` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `displaydoc-lite` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "2797394e15db8af613a5c8b9e1ce072ac6ad10ea207c3f84c09799a77bb2aad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2797394e15db8af613a5c8b9e1ce072ac6ad10ea207c3f84c09799a77bb2aad9", kill_on_drop: false }`
[INFO] [stdout] 2797394e15db8af613a5c8b9e1ce072ac6ad10ea207c3f84c09799a77bb2aad9