[INFO] cloning repository https://github.com/EngelEatos/rust_duplicatefinder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EngelEatos/rust_duplicatefinder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEngelEatos%2Frust_duplicatefinder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEngelEatos%2Frust_duplicatefinder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 457ee7490a1b2e7f797cec6e1e57a932cf9116df
[INFO] documenting EngelEatos/rust_duplicatefinder 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%2FEngelEatos%2Frust_duplicatefinder" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EngelEatos/rust_duplicatefinder 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/EngelEatos/rust_duplicatefinder
[INFO] finished tweaking git repo https://github.com/EngelEatos/rust_duplicatefinder
[INFO] tweaked toml for git repo https://github.com/EngelEatos/rust_duplicatefinder written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/EngelEatos/rust_duplicatefinder 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 typenum v1.9.0
[INFO] [stderr]   Downloaded blake2 v0.7.0
[INFO] [stderr]   Downloaded libc v0.2.33
[INFO] [stderr]   Downloaded digest v0.7.1
[INFO] [stderr]   Downloaded filebuffer v0.2.0
[INFO] [stderr]   Downloaded crypto-mac v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 6cf9b7f82d49914a5a2fffe22ed91df683609ec715363edd8604a1397ac0071f
[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" "6cf9b7f82d49914a5a2fffe22ed91df683609ec715363edd8604a1397ac0071f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cf9b7f82d49914a5a2fffe22ed91df683609ec715363edd8604a1397ac0071f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf9b7f82d49914a5a2fffe22ed91df683609ec715363edd8604a1397ac0071f", kill_on_drop: false }`
[INFO] [stdout] 6cf9b7f82d49914a5a2fffe22ed91df683609ec715363edd8604a1397ac0071f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 43cabd0ad24451a79a2e7c6050eb357a7a143ed2f98638ec94eca126a868297c
[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" "43cabd0ad24451a79a2e7c6050eb357a7a143ed2f98638ec94eca126a868297c", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking filebuffer v0.2.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.1
[INFO] [stderr]     Checking crypto-mac v0.5.1
[INFO] [stderr]     Checking blake2 v0.7.0
[INFO] [stderr]  Documenting duplicatefinder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "43cabd0ad24451a79a2e7c6050eb357a7a143ed2f98638ec94eca126a868297c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43cabd0ad24451a79a2e7c6050eb357a7a143ed2f98638ec94eca126a868297c", kill_on_drop: false }`
[INFO] [stdout] 43cabd0ad24451a79a2e7c6050eb357a7a143ed2f98638ec94eca126a868297c