[INFO] cloning repository https://github.com/gavynriebau/xor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gavynriebau/xor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavynriebau%2Fxor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavynriebau%2Fxor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b69e7e6d7c459bd71b32a3d01ff83f7669cb4d0e
[INFO] documenting gavynriebau/xor against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgavynriebau%2Fxor" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gavynriebau/xor on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gavynriebau/xor
[INFO] finished tweaking git repo https://github.com/gavynriebau/xor
[INFO] tweaked toml for git repo https://github.com/gavynriebau/xor written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/gavynriebau/xor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", 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] e4a9a8b2c2d901ebe349800e6015f1f7bfcd425824edd78b66d55e44886440f0
[INFO] running `Command { std: "docker" "start" "-a" "e4a9a8b2c2d901ebe349800e6015f1f7bfcd425824edd78b66d55e44886440f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4a9a8b2c2d901ebe349800e6015f1f7bfcd425824edd78b66d55e44886440f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a9a8b2c2d901ebe349800e6015f1f7bfcd425824edd78b66d55e44886440f0", kill_on_drop: false }`
[INFO] [stdout] e4a9a8b2c2d901ebe349800e6015f1f7bfcd425824edd78b66d55e44886440f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] 7c3afe8270c8a81e866297264e5c3cda232ce2c7299181e0bffe3a27c6b24ca6
[INFO] running `Command { std: "docker" "start" "-a" "7c3afe8270c8a81e866297264e5c3cda232ce2c7299181e0bffe3a27c6b24ca6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking xor-utils v0.6.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking number_prefix v0.2.7
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.25.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking filesystem v0.4.2
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking rsfs v0.4.1
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]  Documenting xor v1.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.18s
[INFO] running `Command { std: "docker" "inspect" "7c3afe8270c8a81e866297264e5c3cda232ce2c7299181e0bffe3a27c6b24ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3afe8270c8a81e866297264e5c3cda232ce2c7299181e0bffe3a27c6b24ca6", kill_on_drop: false }`
[INFO] [stdout] 7c3afe8270c8a81e866297264e5c3cda232ce2c7299181e0bffe3a27c6b24ca6