[INFO] fetching crate keypath-proc-macros 0.2.0...
[INFO] documenting keypath-proc-macros-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate keypath-proc-macros 0.2.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate keypath-proc-macros 0.2.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate keypath-proc-macros 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate keypath-proc-macros 0.2.0
[INFO] tweaked toml for crates.io crate keypath-proc-macros 0.2.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded keypath v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 135151450ce058e3e8090569955c54ead64ea17cbd64268c9f19a26a7028148c
[INFO] running `Command { std: "docker" "start" "-a" "135151450ce058e3e8090569955c54ead64ea17cbd64268c9f19a26a7028148c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "135151450ce058e3e8090569955c54ead64ea17cbd64268c9f19a26a7028148c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "135151450ce058e3e8090569955c54ead64ea17cbd64268c9f19a26a7028148c", kill_on_drop: false }`
[INFO] [stdout] 135151450ce058e3e8090569955c54ead64ea17cbd64268c9f19a26a7028148c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638b62c0fc4acd76bd9499a5f84fd5308018506591674582f354050c165de7ae
[INFO] running `Command { std: "docker" "start" "-a" "638b62c0fc4acd76bd9499a5f84fd5308018506591674582f354050c165de7ae", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking proc-macro2 v1.0.39
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking litrs v0.2.3
[INFO] [stderr]  Documenting keypath-proc-macros v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "638b62c0fc4acd76bd9499a5f84fd5308018506591674582f354050c165de7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638b62c0fc4acd76bd9499a5f84fd5308018506591674582f354050c165de7ae", kill_on_drop: false }`
[INFO] [stdout] 638b62c0fc4acd76bd9499a5f84fd5308018506591674582f354050c165de7ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7c760a6313e5dd35b37d3b1fe7c983f0929f3b1336c193d28a83a48f0f497633
[INFO] running `Command { std: "docker" "start" "-a" "7c760a6313e5dd35b37d3b1fe7c983f0929f3b1336c193d28a83a48f0f497633", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking quote v1.0.18
[INFO] [stderr]     Checking litrs v0.2.3
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/litrs-0.2.3/src/err.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |             Span::Two(s) => s.unwrap(),
[INFO] [stdout]    |                               ^^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/litrs-0.2.3/src/err.rs:47:53
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Span::One(s) => proc_macro2::Span::from(s),
[INFO] [stdout]    |                                                     ^ expected struct `proc_macro2::Span`, found struct `proc_macro::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `litrs` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7c760a6313e5dd35b37d3b1fe7c983f0929f3b1336c193d28a83a48f0f497633", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c760a6313e5dd35b37d3b1fe7c983f0929f3b1336c193d28a83a48f0f497633", kill_on_drop: false }`
[INFO] [stdout] 7c760a6313e5dd35b37d3b1fe7c983f0929f3b1336c193d28a83a48f0f497633