[INFO] cloning repository https://github.com/amin-mir/rust-exercises
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amin-mir/rust-exercises" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famin-mir%2Frust-exercises", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famin-mir%2Frust-exercises'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef6874b53a6affbe6d372a6b8bdb4a3d1aa7fe92
[INFO] documenting amin-mir/rust-exercises 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%2Famin-mir%2Frust-exercises" "/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/amin-mir/rust-exercises 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/amin-mir/rust-exercises
[INFO] finished tweaking git repo https://github.com/amin-mir/rust-exercises
[INFO] tweaked toml for git repo https://github.com/amin-mir/rust-exercises written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate git repo https://github.com/amin-mir/rust-exercises 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] 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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7203295acb6bae633d9bf6639035adcf27a1007b4ff1c77c0f79316833bdede
[INFO] running `Command { std: "docker" "start" "-a" "b7203295acb6bae633d9bf6639035adcf27a1007b4ff1c77c0f79316833bdede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7203295acb6bae633d9bf6639035adcf27a1007b4ff1c77c0f79316833bdede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7203295acb6bae633d9bf6639035adcf27a1007b4ff1c77c0f79316833bdede", kill_on_drop: false }`
[INFO] [stdout] b7203295acb6bae633d9bf6639035adcf27a1007b4ff1c77c0f79316833bdede
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43dacd9e7aec7bde68401466c3590389d8252f81bb5753f50a0a604708e7737d
[INFO] running `Command { std: "docker" "start" "-a" "43dacd9e7aec7bde68401466c3590389d8252f81bb5753f50a0a604708e7737d", kill_on_drop: false }`
[INFO] [stderr]  Documenting statistics v0.1.0 (/opt/rustwide/workdir/statistics)
[INFO] [stderr]  Documenting pig-latin-enc v0.1.0 (/opt/rustwide/workdir/pig-latin-enc)
[INFO] [stderr]  Documenting cacher v0.1.0 (/opt/rustwide/workdir/cacher)
[INFO] [stderr]  Documenting deref-enum-to-u8-slc v0.1.0 (/opt/rustwide/workdir/deref-enum-to-u8-slc)
[INFO] [stderr]  Documenting memanager v0.1.0 (/opt/rustwide/workdir/memanager)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `Command { std: "docker" "inspect" "43dacd9e7aec7bde68401466c3590389d8252f81bb5753f50a0a604708e7737d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43dacd9e7aec7bde68401466c3590389d8252f81bb5753f50a0a604708e7737d", kill_on_drop: false }`
[INFO] [stdout] 43dacd9e7aec7bde68401466c3590389d8252f81bb5753f50a0a604708e7737d
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 3bcba3a0e5a43dd772b7bfee0b0735c1a2e26430eeebf9f1b825f9c8c69b22d0
[INFO] running `Command { std: "docker" "start" "-a" "3bcba3a0e5a43dd772b7bfee0b0735c1a2e26430eeebf9f1b825f9c8c69b22d0", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "3bcba3a0e5a43dd772b7bfee0b0735c1a2e26430eeebf9f1b825f9c8c69b22d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bcba3a0e5a43dd772b7bfee0b0735c1a2e26430eeebf9f1b825f9c8c69b22d0", kill_on_drop: false }`
[INFO] [stdout] 3bcba3a0e5a43dd772b7bfee0b0735c1a2e26430eeebf9f1b825f9c8c69b22d0