[INFO] cloning repository https://github.com/timhoeppner/rtic-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timhoeppner/rtic-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimhoeppner%2Frtic-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimhoeppner%2Frtic-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd719ce2ebdb73c40035f265a5f0eb4d90dac9e8
[INFO] documenting timhoeppner/rtic-learning against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimhoeppner%2Frtic-learning" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timhoeppner/rtic-learning 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] removed /workspace/builds/worker-25/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/timhoeppner/rtic-learning
[INFO] finished tweaking git repo https://github.com/timhoeppner/rtic-learning
[INFO] tweaked toml for git repo https://github.com/timhoeppner/rtic-learning written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/timhoeppner/rtic-learning already has a lockfile, it will not be regenerated
[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 rtic-core v1.0.0
[INFO] [stderr]   Downloaded heapless v0.7.10
[INFO] [stderr]   Downloaded defmt-test-macros v0.3.0
[INFO] [stderr]   Downloaded defmt-rtt v0.3.1
[INFO] [stderr]   Downloaded defmt-test v0.3.0
[INFO] [stderr]   Downloaded stm32f4xx-hal v0.12.0
[INFO] [stderr]   Downloaded rtic-monotonic v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.1
[INFO] [stderr]   Downloaded embedded-storage v0.2.0
[INFO] [stderr]   Downloaded fugit v0.3.5
[INFO] [stderr]   Downloaded defmt-parser v0.3.0
[INFO] [stderr]   Downloaded defmt v0.3.0
[INFO] [stderr]   Downloaded defmt-macros v0.3.1
[INFO] [stderr]   Downloaded panic-probe v0.3.0
[INFO] [stderr]   Downloaded embedded-dma v0.2.0
[INFO] [stderr]   Downloaded cortex-m-rtic v1.0.0
[INFO] [stderr]   Downloaded rtic-syntax v1.0.0
[INFO] [stderr]   Downloaded gcd v2.1.0
[INFO] [stderr]   Downloaded cortex-m-rtic-macros v1.0.0
[INFO] [stderr]   Downloaded fugit-timer v0.1.3
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.7
[INFO] [stderr]   Downloaded hd44780-driver v0.4.0
[INFO] [stderr]   Downloaded stm32f4 v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] a21ba39340723607d07af7fba5d5fccd6d4a12fdfdc709293cc5016fe097ea57
[INFO] running `Command { std: "docker" "start" "-a" "a21ba39340723607d07af7fba5d5fccd6d4a12fdfdc709293cc5016fe097ea57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a21ba39340723607d07af7fba5d5fccd6d4a12fdfdc709293cc5016fe097ea57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a21ba39340723607d07af7fba5d5fccd6d4a12fdfdc709293cc5016fe097ea57", kill_on_drop: false }`
[INFO] [stdout] a21ba39340723607d07af7fba5d5fccd6d4a12fdfdc709293cc5016fe097ea57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 7aea999494f4fa5fe5212c7e6f025fbe6ffa3c2a077036188d9025809ad87dba
[INFO] running `Command { std: "docker" "start" "-a" "7aea999494f4fa5fe5212c7e6f025fbe6ffa3c2a077036188d9025809ad87dba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling defmt v0.3.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling defmt-macros v0.3.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling defmt-parser v0.3.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling stm32f4 v0.14.0
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking rtic-monotonic v1.0.0
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]    Compiling panic-probe v0.3.0
[INFO] [stderr]    Compiling defmt-rtt v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking rtic-core v1.0.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.7
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cortex-m-rtic v1.0.0
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking hd44780-driver v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]     Checking fugit v0.3.5
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]    Compiling rtic-syntax v1.0.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v1.0.0
[INFO] [stderr]     Checking stm32f4xx-hal v0.12.0
[INFO] [stderr]     Checking rtic-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rtic-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 33.02s
[INFO] running `Command { std: "docker" "inspect" "7aea999494f4fa5fe5212c7e6f025fbe6ffa3c2a077036188d9025809ad87dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aea999494f4fa5fe5212c7e6f025fbe6ffa3c2a077036188d9025809ad87dba", kill_on_drop: false }`
[INFO] [stdout] 7aea999494f4fa5fe5212c7e6f025fbe6ffa3c2a077036188d9025809ad87dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 449221b38847dbfec0556cb13c2c16fc921e5e31784a39d7d2b9d1d7549f44b1
[INFO] running `Command { std: "docker" "start" "-a" "449221b38847dbfec0556cb13c2c16fc921e5e31784a39d7d2b9d1d7549f44b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling cortex-m v0.7.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling defmt v0.3.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling defmt-macros v0.3.1
[INFO] [stderr]    Compiling cortex-m-rt v0.7.1
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling defmt-parser v0.3.0
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling stm32f4 v0.14.0
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking rtic-monotonic v1.0.0
[INFO] [stderr]    Compiling panic-probe v0.3.0
[INFO] [stderr]    Compiling defmt-rtt v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rtic-core v1.0.0
[INFO] [stderr]     Checking embedded-storage v0.2.0
[INFO] [stderr]     Checking volatile-register v0.2.1
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.7
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cortex-m-rtic v1.0.0
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking hd44780-driver v0.4.0
[INFO] [stderr]     Checking gcd v2.1.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking fugit v0.3.5
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking fugit-timer v0.1.3
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]    Compiling rtic-syntax v1.0.0
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Span: From<proc_macro::Span>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/lib.rs:549:37
[INFO] [stdout]     |
[INFO] [stdout] 549 |                 first: self.clone().into(),
[INFO] [stdout]     |                                     ^^^^ the trait `From<proc_macro::Span>` is not implemented for `proc_macro2::Span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<proc_macro2::Span>` for `proc_macro::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `proc_macro2::Span: From<proc_macro::Span>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro-error-1.0.4/src/lib.rs:550:36
[INFO] [stdout]     |
[INFO] [stdout] 550 |                 last: self.clone().into(),
[INFO] [stdout]     |                                    ^^^^ the trait `From<proc_macro::Span>` is not implemented for `proc_macro2::Span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required because of the requirements on the impl of `Into<proc_macro2::Span>` for `proc_macro::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 E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro-error` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "449221b38847dbfec0556cb13c2c16fc921e5e31784a39d7d2b9d1d7549f44b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "449221b38847dbfec0556cb13c2c16fc921e5e31784a39d7d2b9d1d7549f44b1", kill_on_drop: false }`
[INFO] [stdout] 449221b38847dbfec0556cb13c2c16fc921e5e31784a39d7d2b9d1d7549f44b1