[INFO] cloning repository https://github.com/DJolley12/echo_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DJolley12/echo_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJolley12%2Fecho_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJolley12%2Fecho_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abb915ed84a8a317c0d94de968036d6bd4ac04cc
[INFO] documenting DJolley12/echo_server against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDJolley12%2Fecho_server" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DJolley12/echo_server on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DJolley12/echo_server
[INFO] finished tweaking git repo https://github.com/DJolley12/echo_server
[INFO] tweaked toml for git repo https://github.com/DJolley12/echo_server written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/DJolley12/echo_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded once_cell v1.9.0
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded tokio v1.15.0
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded parking_lot v0.11.2
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded libc v0.2.113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4262655c05043e9d99e44b735bbb848e0fa2450536c106cb19e926e02406977f
[INFO] running `Command { std: "docker" "start" "-a" "4262655c05043e9d99e44b735bbb848e0fa2450536c106cb19e926e02406977f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4262655c05043e9d99e44b735bbb848e0fa2450536c106cb19e926e02406977f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4262655c05043e9d99e44b735bbb848e0fa2450536c106cb19e926e02406977f", kill_on_drop: false }`
[INFO] [stdout] 4262655c05043e9d99e44b735bbb848e0fa2450536c106cb19e926e02406977f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dcc95631d96f6a8ae50db39cca22c8ab97a60c1baf872a5b0d09aa2d43fbc2c
[INFO] running `Command { std: "docker" "start" "-a" "1dcc95631d96f6a8ae50db39cca22c8ab97a60c1baf872a5b0d09aa2d43fbc2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]  Documenting echo_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.63s
[INFO] running `Command { std: "docker" "inspect" "1dcc95631d96f6a8ae50db39cca22c8ab97a60c1baf872a5b0d09aa2d43fbc2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dcc95631d96f6a8ae50db39cca22c8ab97a60c1baf872a5b0d09aa2d43fbc2c", kill_on_drop: false }`
[INFO] [stdout] 1dcc95631d96f6a8ae50db39cca22c8ab97a60c1baf872a5b0d09aa2d43fbc2c