[INFO] fetching crate mockall 0.11.4...
[INFO] documenting mockall-0.11.4 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate mockall 0.11.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate mockall 0.11.4 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mockall 0.11.4
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate mockall 0.11.4
[INFO] tweaked toml for crates.io crate mockall 0.11.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate mockall 0.11.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mockall_double v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 428d2020a0147954f5c00bca17b310faa4e6e7992bb15f69f3cad51c67105407
[INFO] running `Command { std: "docker" "start" "-a" "428d2020a0147954f5c00bca17b310faa4e6e7992bb15f69f3cad51c67105407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "428d2020a0147954f5c00bca17b310faa4e6e7992bb15f69f3cad51c67105407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428d2020a0147954f5c00bca17b310faa4e6e7992bb15f69f3cad51c67105407", kill_on_drop: false }`
[INFO] [stdout] 428d2020a0147954f5c00bca17b310faa4e6e7992bb15f69f3cad51c67105407
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b942ce856f57e8fbd735744e77d812c1ccbf4465f922c267bf90a25ab50609cc
[INFO] running `Command { std: "docker" "start" "-a" "b942ce856f57e8fbd735744e77d812c1ccbf4465f922c267bf90a25ab50609cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking predicates v2.1.0
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stderr]  Documenting mockall v0.11.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "b942ce856f57e8fbd735744e77d812c1ccbf4465f922c267bf90a25ab50609cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b942ce856f57e8fbd735744e77d812c1ccbf4465f922c267bf90a25ab50609cc", kill_on_drop: false }`
[INFO] [stdout] b942ce856f57e8fbd735744e77d812c1ccbf4465f922c267bf90a25ab50609cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "nightly" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa94d34d7c6e3ef334580a3c458c6ea2edca91417d470ec953f95200b1a0a899
[INFO] running `Command { std: "docker" "start" "-a" "aa94d34d7c6e3ef334580a3c458c6ea2edca91417d470ec953f95200b1a0a899", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling mockall_derive v0.11.4
[INFO] [stdout] error[E0599]: no method named `unstable` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/mockall_derive-0.11.4/src/lib.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |             span.unstable()
[INFO] [stdout]    |                  ^^^^^^^^ method not found in `Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mockall_derive` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "aa94d34d7c6e3ef334580a3c458c6ea2edca91417d470ec953f95200b1a0a899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa94d34d7c6e3ef334580a3c458c6ea2edca91417d470ec953f95200b1a0a899", kill_on_drop: false }`
[INFO] [stdout] aa94d34d7c6e3ef334580a3c458c6ea2edca91417d470ec953f95200b1a0a899
