[INFO] fetching crate canadensis_can 0.2.1...
[INFO] documenting canadensis_can-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate canadensis_can 0.2.1 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate canadensis_can 0.2.1 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate canadensis_can 0.2.1
[INFO] finished tweaking crates.io crate canadensis_can 0.2.1
[INFO] tweaked toml for crates.io crate canadensis_can 0.2.1 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate crates.io crate canadensis_can 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53c5494003ffaecd6bdb2f960cd944c5ccd69102e9ce6b3332e88e451eefb5a3
[INFO] running `Command { std: "docker" "start" "-a" "53c5494003ffaecd6bdb2f960cd944c5ccd69102e9ce6b3332e88e451eefb5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53c5494003ffaecd6bdb2f960cd944c5ccd69102e9ce6b3332e88e451eefb5a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53c5494003ffaecd6bdb2f960cd944c5ccd69102e9ce6b3332e88e451eefb5a3", kill_on_drop: false }`
[INFO] [stdout] 53c5494003ffaecd6bdb2f960cd944c5ccd69102e9ce6b3332e88e451eefb5a3
[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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 591a7527a44933c710b645dcf0e6bb105d57c649191376ed1b47fbdce5792506
[INFO] running `Command { std: "docker" "start" "-a" "591a7527a44933c710b645dcf0e6bb105d57c649191376ed1b47fbdce5792506", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking canadensis_filter_config v0.2.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fallible_collections v0.4.4
[INFO] [stderr]    Compiling hash32-derive v0.1.1
[INFO] [stderr]     Checking canadensis_core v0.2.2
[INFO] [stderr]  Documenting canadensis_can v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.53s
[INFO] running `Command { std: "docker" "inspect" "591a7527a44933c710b645dcf0e6bb105d57c649191376ed1b47fbdce5792506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "591a7527a44933c710b645dcf0e6bb105d57c649191376ed1b47fbdce5792506", kill_on_drop: false }`
[INFO] [stdout] 591a7527a44933c710b645dcf0e6bb105d57c649191376ed1b47fbdce5792506
[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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 401096166d7abb7255cc222b12ca161e20e30da17c8eef02a0542d1ff7606bbd
[INFO] running `Command { std: "docker" "start" "-a" "401096166d7abb7255cc222b12ca161e20e30da17c8eef02a0542d1ff7606bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling heapless v0.7.10
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking canadensis_filter_config v0.2.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking fallible_collections v0.4.4
[INFO] [stderr]    Compiling hash32-derive v0.1.1
[INFO] [stderr]     Checking canadensis_core v0.2.2
[INFO] [stderr]  Documenting canadensis_can v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "401096166d7abb7255cc222b12ca161e20e30da17c8eef02a0542d1ff7606bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "401096166d7abb7255cc222b12ca161e20e30da17c8eef02a0542d1ff7606bbd", kill_on_drop: false }`
[INFO] [stdout] 401096166d7abb7255cc222b12ca161e20e30da17c8eef02a0542d1ff7606bbd