[INFO] cloning repository https://github.com/antidmg/backend-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antidmg/backend-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantidmg%2Fbackend-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantidmg%2Fbackend-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b63ea214c6ad2cc83610e5ee8dcff01f8c690cd
[INFO] documenting antidmg/backend-rs 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%2Fantidmg%2Fbackend-rs" "/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/antidmg/backend-rs 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/antidmg/backend-rs
[INFO] finished tweaking git repo https://github.com/antidmg/backend-rs
[INFO] tweaked toml for git repo https://github.com/antidmg/backend-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/antidmg/backend-rs 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] 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] 2f17d06e51eb03635690a868082aeaaa23e5562503e3952faa49b6ea4abcf852
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2f17d06e51eb03635690a868082aeaaa23e5562503e3952faa49b6ea4abcf852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f17d06e51eb03635690a868082aeaaa23e5562503e3952faa49b6ea4abcf852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f17d06e51eb03635690a868082aeaaa23e5562503e3952faa49b6ea4abcf852", kill_on_drop: false }`
[INFO] [stdout] 2f17d06e51eb03635690a868082aeaaa23e5562503e3952faa49b6ea4abcf852
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ace4765509db0be03dd6216c1d596929b8a124d6010799490e951fa2c978ce7
[INFO] running `Command { std: "docker" "start" "-a" "4ace4765509db0be03dd6216c1d596929b8a124d6010799490e951fa2c978ce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking matchit v0.4.6
[INFO] [stderr]    Compiling openssl-src v111.18.0+1.1.1n
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]     Checking crc32fast v1.3.2
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking mio v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.23
[INFO] [stderr]     Checking iri-string v0.4.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling axum-macros v0.1.2
[INFO] [stderr]     Checking axum-core v0.1.2
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-util v0.7.0
[INFO] [stderr]     Checking async-compression v0.3.12
[INFO] [stderr]     Checking h2 v0.3.12
[INFO] [stderr]     Checking tower v0.4.12
[INFO] [stderr]     Checking tower-http v0.2.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.7
[INFO] [stderr]     Checking hyper v0.14.17
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking axum v0.4.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]  Documenting backend-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `Command { std: "docker" "inspect" "4ace4765509db0be03dd6216c1d596929b8a124d6010799490e951fa2c978ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ace4765509db0be03dd6216c1d596929b8a124d6010799490e951fa2c978ce7", kill_on_drop: false }`
[INFO] [stdout] 4ace4765509db0be03dd6216c1d596929b8a124d6010799490e951fa2c978ce7