[INFO] cloning repository https://github.com/alsotang/exercise_murmurhash_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alsotang/exercise_murmurhash_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falsotang%2Fexercise_murmurhash_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falsotang%2Fexercise_murmurhash_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc1decb34da3be14a1c7d246dff1c5b4275ed455
[INFO] documenting alsotang/exercise_murmurhash_rust 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%2Falsotang%2Fexercise_murmurhash_rust" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alsotang/exercise_murmurhash_rust 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/alsotang/exercise_murmurhash_rust
[INFO] finished tweaking git repo https://github.com/alsotang/exercise_murmurhash_rust
[INFO] tweaked toml for git repo https://github.com/alsotang/exercise_murmurhash_rust written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/alsotang/exercise_murmurhash_rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] eec5ef3e092188d32fa0c39eb38660c7cb5b91b73374bdf38ee8377dadb508b7
[INFO] running `Command { std: "docker" "start" "-a" "eec5ef3e092188d32fa0c39eb38660c7cb5b91b73374bdf38ee8377dadb508b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eec5ef3e092188d32fa0c39eb38660c7cb5b91b73374bdf38ee8377dadb508b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec5ef3e092188d32fa0c39eb38660c7cb5b91b73374bdf38ee8377dadb508b7", kill_on_drop: false }`
[INFO] [stdout] eec5ef3e092188d32fa0c39eb38660c7cb5b91b73374bdf38ee8377dadb508b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] e0dd80e8cfe72897a5f7db231eef39afc4d56ef0a0afbc25fbff831d2dbf996c
[INFO] running `Command { std: "docker" "start" "-a" "e0dd80e8cfe72897a5f7db231eef39afc4d56ef0a0afbc25fbff831d2dbf996c", kill_on_drop: false }`
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]  Documenting murmurhash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "e0dd80e8cfe72897a5f7db231eef39afc4d56ef0a0afbc25fbff831d2dbf996c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0dd80e8cfe72897a5f7db231eef39afc4d56ef0a0afbc25fbff831d2dbf996c", kill_on_drop: false }`
[INFO] [stdout] e0dd80e8cfe72897a5f7db231eef39afc4d56ef0a0afbc25fbff831d2dbf996c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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] 32b1dd941f6cde6de2c416f8586b0b6c8bb052b2135bf48f5dfc4f12f8b3f4a3
[INFO] running `Command { std: "docker" "start" "-a" "32b1dd941f6cde6de2c416f8586b0b6c8bb052b2135bf48f5dfc4f12f8b3f4a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]  Documenting murmurhash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "32b1dd941f6cde6de2c416f8586b0b6c8bb052b2135bf48f5dfc4f12f8b3f4a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b1dd941f6cde6de2c416f8586b0b6c8bb052b2135bf48f5dfc4f12f8b3f4a3", kill_on_drop: false }`
[INFO] [stdout] 32b1dd941f6cde6de2c416f8586b0b6c8bb052b2135bf48f5dfc4f12f8b3f4a3