[INFO] cloning repository https://github.com/benesch/cargo-manifmt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benesch/cargo-manifmt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenesch%2Fcargo-manifmt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenesch%2Fcargo-manifmt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 146b0409360d70dcacb8e35ba3bebf964bfe6d76
[INFO] documenting benesch/cargo-manifmt against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenesch%2Fcargo-manifmt" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benesch/cargo-manifmt on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benesch/cargo-manifmt
[INFO] finished tweaking git repo https://github.com/benesch/cargo-manifmt
[INFO] tweaked toml for git repo https://github.com/benesch/cargo-manifmt written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/benesch/cargo-manifmt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd449c172a698605d30bd62a59d97d581b54c3abe19f50abd14c825a88e034e9
[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" "bd449c172a698605d30bd62a59d97d581b54c3abe19f50abd14c825a88e034e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd449c172a698605d30bd62a59d97d581b54c3abe19f50abd14c825a88e034e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd449c172a698605d30bd62a59d97d581b54c3abe19f50abd14c825a88e034e9", kill_on_drop: false }`
[INFO] [stdout] bd449c172a698605d30bd62a59d97d581b54c3abe19f50abd14c825a88e034e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46c274d28c99b3019101a5ab39b5709a06aa6792f17eebe6d52722601e7e90f4
[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" "46c274d28c99b3019101a5ab39b5709a06aa6792f17eebe6d52722601e7e90f4", kill_on_drop: false }`
[INFO] [stderr]     Checking home v0.5.1
[INFO] [stderr]     Checking bytesize v1.0.0
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.0
[INFO] [stderr]     Checking socket2 v0.3.11
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking jobserver v0.1.17
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking sized-chunks v0.3.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_ignored v0.1.1
[INFO] [stderr]     Checking cargo-platform v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]    Compiling libgit2-sys v0.9.2
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking crates-io v0.29.0
[INFO] [stderr]     Checking git2 v0.10.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v13.0.0
[INFO] [stderr]     Checking git2-curl v0.11.0
[INFO] [stderr]     Checking cargo v0.41.0
[INFO] [stderr]  Documenting cargo-manifmt v0.1.1-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "46c274d28c99b3019101a5ab39b5709a06aa6792f17eebe6d52722601e7e90f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c274d28c99b3019101a5ab39b5709a06aa6792f17eebe6d52722601e7e90f4", kill_on_drop: false }`
[INFO] [stdout] 46c274d28c99b3019101a5ab39b5709a06aa6792f17eebe6d52722601e7e90f4