[INFO] cloning repository https://github.com/mknet/rust-mockall-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mknet/rust-mockall-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmknet%2Frust-mockall-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmknet%2Frust-mockall-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 492143413c058e53d566c49b0651d8160782ad6c
[INFO] documenting mknet/rust-mockall-playground against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmknet%2Frust-mockall-playground" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mknet/rust-mockall-playground 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 git repo https://github.com/mknet/rust-mockall-playground
[INFO] finished tweaking git repo https://github.com/mknet/rust-mockall-playground
[INFO] tweaked toml for git repo https://github.com/mknet/rust-mockall-playground written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mknet/rust-mockall-playground 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f9475b55e0c29ec9bb71291af6dfc6c11db311fcdf6e3ac92a4771d2dd489303
[INFO] running `Command { std: "docker" "start" "-a" "f9475b55e0c29ec9bb71291af6dfc6c11db311fcdf6e3ac92a4771d2dd489303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9475b55e0c29ec9bb71291af6dfc6c11db311fcdf6e3ac92a4771d2dd489303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9475b55e0c29ec9bb71291af6dfc6c11db311fcdf6e3ac92a4771d2dd489303", kill_on_drop: false }`
[INFO] [stdout] f9475b55e0c29ec9bb71291af6dfc6c11db311fcdf6e3ac92a4771d2dd489303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 4a4d8c0886851fb5f94a535e7e9aee94c6ebb03bad3219850633abdcc65810e7
[INFO] running `Command { std: "docker" "start" "-a" "4a4d8c0886851fb5f94a535e7e9aee94c6ebb03bad3219850633abdcc65810e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]    Compiling mockall_derive v0.9.0
[INFO] [stderr]     Checking mockall v0.9.0
[INFO] [stderr]  Documenting mockall-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.24s
[INFO] running `Command { std: "docker" "inspect" "4a4d8c0886851fb5f94a535e7e9aee94c6ebb03bad3219850633abdcc65810e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4d8c0886851fb5f94a535e7e9aee94c6ebb03bad3219850633abdcc65810e7", kill_on_drop: false }`
[INFO] [stdout] 4a4d8c0886851fb5f94a535e7e9aee94c6ebb03bad3219850633abdcc65810e7