[INFO] cloning repository https://github.com/iamwwc/smoltcp-maybe-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamwwc/smoltcp-maybe-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamwwc%2Fsmoltcp-maybe-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiamwwc%2Fsmoltcp-maybe-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f294d9aa4a28596b5e81a59a31ffdd74d5661e86
[INFO] documenting iamwwc/smoltcp-maybe-bug 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%2Fiamwwc%2Fsmoltcp-maybe-bug" "/workspace/builds/worker-36/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-36/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamwwc/smoltcp-maybe-bug 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/iamwwc/smoltcp-maybe-bug
[INFO] finished tweaking git repo https://github.com/iamwwc/smoltcp-maybe-bug
[INFO] tweaked toml for git repo https://github.com/iamwwc/smoltcp-maybe-bug written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/iamwwc/smoltcp-maybe-bug 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-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] ef0dafea8c9449e1b65bea9e87ed11c7a6a442cbfeba7d07bda47711be0b88e4
[INFO] running `Command { std: "docker" "start" "-a" "ef0dafea8c9449e1b65bea9e87ed11c7a6a442cbfeba7d07bda47711be0b88e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef0dafea8c9449e1b65bea9e87ed11c7a6a442cbfeba7d07bda47711be0b88e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0dafea8c9449e1b65bea9e87ed11c7a6a442cbfeba7d07bda47711be0b88e4", kill_on_drop: false }`
[INFO] [stdout] ef0dafea8c9449e1b65bea9e87ed11c7a6a442cbfeba7d07bda47711be0b88e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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] 01024c56657ca0d07642aa13aaad226b93fc277d7a2ccd72e0c6b66e81ab3fd6
[INFO] running `Command { std: "docker" "start" "-a" "01024c56657ca0d07642aa13aaad226b93fc277d7a2ccd72e0c6b66e81ab3fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ioctl-sys v0.6.0
[INFO] [stderr]     Checking managed v0.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking smoltcp v0.7.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking tun v0.5.1
[INFO] [stderr]  Documenting smoltcp-maybe-bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.81s
[INFO] running `Command { std: "docker" "inspect" "01024c56657ca0d07642aa13aaad226b93fc277d7a2ccd72e0c6b66e81ab3fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01024c56657ca0d07642aa13aaad226b93fc277d7a2ccd72e0c6b66e81ab3fd6", kill_on_drop: false }`
[INFO] [stdout] 01024c56657ca0d07642aa13aaad226b93fc277d7a2ccd72e0c6b66e81ab3fd6