[INFO] cloning repository https://github.com/tarka/xcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tarka/xcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarka%2Fxcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftarka%2Fxcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69678ac72ecd81890f4d201740947fe286d2a806
[INFO] documenting tarka/xcp 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%2Ftarka%2Fxcp" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tarka/xcp 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/tarka/xcp
[INFO] finished tweaking git repo https://github.com/tarka/xcp
[INFO] tweaked toml for git repo https://github.com/tarka/xcp written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/tarka/xcp 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.7.5
[INFO] [stderr]   Downloaded unbytify v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 343f0cc67637e2093773ce12464800e5ef55bc6d52fbb6a9a851e1169b98f3c3
[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" "343f0cc67637e2093773ce12464800e5ef55bc6d52fbb6a9a851e1169b98f3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "343f0cc67637e2093773ce12464800e5ef55bc6d52fbb6a9a851e1169b98f3c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "343f0cc67637e2093773ce12464800e5ef55bc6d52fbb6a9a851e1169b98f3c3", kill_on_drop: false }`
[INFO] [stdout] 343f0cc67637e2093773ce12464800e5ef55bc6d52fbb6a9a851e1169b98f3c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f6b3f336975c50c238b2d0cf679228be303c99fabf2a4ebfe093900155237c48
[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" "f6b3f336975c50c238b2d0cf679228be303c99fabf2a4ebfe093900155237c48", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking unbytify v0.2.0
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking simplelog v0.7.5
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking ignore v0.4.14
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.15
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]  Documenting xcp v0.7.4-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.38s
[INFO] running `Command { std: "docker" "inspect" "f6b3f336975c50c238b2d0cf679228be303c99fabf2a4ebfe093900155237c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b3f336975c50c238b2d0cf679228be303c99fabf2a4ebfe093900155237c48", kill_on_drop: false }`
[INFO] [stdout] f6b3f336975c50c238b2d0cf679228be303c99fabf2a4ebfe093900155237c48