[INFO] cloning repository https://github.com/shamatar/rescue_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shamatar/rescue_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Frescue_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Frescue_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d1e7c5fa9dbca7c34dc71c300ad2cc3ddcd0d3c
[INFO] documenting shamatar/rescue_hash against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshamatar%2Frescue_hash" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shamatar/rescue_hash on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shamatar/rescue_hash
[INFO] finished tweaking git repo https://github.com/shamatar/rescue_hash
[INFO] tweaked toml for git repo https://github.com/shamatar/rescue_hash written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/shamatar/rescue_hash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded addchain v0.1.0
[INFO] [stderr]   Downloaded ff_ce v0.10.3
[INFO] [stderr]   Downloaded ff_derive_ce v0.8.0
[INFO] [stderr]   Downloaded pairing_ce v0.21.1
[INFO] [stderr]   Downloaded blake2-rfc_bellman_edition v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97a412977619c943021e01c9ca14ca2d647429520e0021a0c8234718dfbfecbe
[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" "97a412977619c943021e01c9ca14ca2d647429520e0021a0c8234718dfbfecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97a412977619c943021e01c9ca14ca2d647429520e0021a0c8234718dfbfecbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a412977619c943021e01c9ca14ca2d647429520e0021a0c8234718dfbfecbe", kill_on_drop: false }`
[INFO] [stdout] 97a412977619c943021e01c9ca14ca2d647429520e0021a0c8234718dfbfecbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "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] d13af7bc8ece086c7fceab9adbbd46a4ff9d9e651d259f203a65e4b95513025b
[INFO] running `Command { std: "docker" "start" "-a" "d13af7bc8ece086c7fceab9adbbd46a4ff9d9e651d259f203a65e4b95513025b", 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]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking blake2-rfc_bellman_edition v0.0.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling ff_derive_ce v0.8.0
[INFO] [stderr]     Checking ff_ce v0.10.3
[INFO] [stderr]     Checking pairing_ce v0.21.1
[INFO] [stderr]  Documenting rescue_hash v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.13s
[INFO] running `Command { std: "docker" "inspect" "d13af7bc8ece086c7fceab9adbbd46a4ff9d9e651d259f203a65e4b95513025b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13af7bc8ece086c7fceab9adbbd46a4ff9d9e651d259f203a65e4b95513025b", kill_on_drop: false }`
[INFO] [stdout] d13af7bc8ece086c7fceab9adbbd46a4ff9d9e651d259f203a65e4b95513025b