[INFO] cloning repository https://github.com/openbuttnakedgang/holter-bridge
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/openbuttnakedgang/holter-bridge" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenbuttnakedgang%2Fholter-bridge", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenbuttnakedgang%2Fholter-bridge'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e05f3b0b53c33f31f5fc2d4e7bf896ec2e1033f7
[INFO] documenting openbuttnakedgang/holter-bridge against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenbuttnakedgang%2Fholter-bridge" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/openbuttnakedgang/holter-bridge on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/openbuttnakedgang/holter-bridge
[INFO] finished tweaking git repo https://github.com/openbuttnakedgang/holter-bridge
[INFO] tweaked toml for git repo https://github.com/openbuttnakedgang/holter-bridge written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded widestring v0.3.0
[INFO] [stderr]   Downloaded windows-service v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4250bb6d0a4463b4eadcb84528d9abe382d001e24bd313ffbcbce68a9ecbe67
[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" "d4250bb6d0a4463b4eadcb84528d9abe382d001e24bd313ffbcbce68a9ecbe67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4250bb6d0a4463b4eadcb84528d9abe382d001e24bd313ffbcbce68a9ecbe67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4250bb6d0a4463b4eadcb84528d9abe382d001e24bd313ffbcbce68a9ecbe67", kill_on_drop: false }`
[INFO] [stdout] d4250bb6d0a4463b4eadcb84528d9abe382d001e24bd313ffbcbce68a9ecbe67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "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] d6669a04cfe2fcd791db226676e9e49d7192232891d5ad122ec64ae396f1dab5
[INFO] running `Command { std: "docker" "start" "-a" "d6669a04cfe2fcd791db226676e9e49d7192232891d5ad122ec64ae396f1dab5", kill_on_drop: false }`
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking urlencoding v1.3.3
[INFO] [stderr]     Checking windows-service v0.2.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling libusb-sys v0.2.3
[INFO] [stderr]     Checking libc v0.2.98
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking bit-set v0.2.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking libusb v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]  Documenting holter-bridge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `Command { std: "docker" "inspect" "d6669a04cfe2fcd791db226676e9e49d7192232891d5ad122ec64ae396f1dab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6669a04cfe2fcd791db226676e9e49d7192232891d5ad122ec64ae396f1dab5", kill_on_drop: false }`
[INFO] [stdout] d6669a04cfe2fcd791db226676e9e49d7192232891d5ad122ec64ae396f1dab5