[INFO] cloning repository https://github.com/whbboyd/backup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whbboyd/backup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhbboyd%2Fbackup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhbboyd%2Fbackup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c017ef861f0861ab01f79fdbb7c05c5dc0b34b7
[INFO] documenting whbboyd/backup against 1.75.0 for beta-1.76-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhbboyd%2Fbackup" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whbboyd/backup on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whbboyd/backup
[INFO] finished tweaking git repo https://github.com/whbboyd/backup
[INFO] tweaked toml for git repo https://github.com/whbboyd/backup written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/whbboyd/backup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--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 regex-syntax v0.2.5
[INFO] [stderr]   Downloaded pkg-config v0.3.7
[INFO] [stderr]   Downloaded gcc v0.3.25
[INFO] [stderr]   Downloaded tar v0.4.4
[INFO] [stderr]   Downloaded libz-sys v1.0.1
[INFO] [stderr]   Downloaded regex v0.1.54
[INFO] [stderr]   Downloaded libc v0.2.7
[INFO] [stderr]   Downloaded rust-crypto v0.2.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4f6e84b97bd94917f5960d8ebf181c43d037b340a07a5ca6b8eb97ed52de68
[INFO] running `Command { std: "docker" "start" "-a" "8f4f6e84b97bd94917f5960d8ebf181c43d037b340a07a5ca6b8eb97ed52de68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4f6e84b97bd94917f5960d8ebf181c43d037b340a07a5ca6b8eb97ed52de68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4f6e84b97bd94917f5960d8ebf181c43d037b340a07a5ca6b8eb97ed52de68", kill_on_drop: false }`
[INFO] [stdout] 8f4f6e84b97bd94917f5960d8ebf181c43d037b340a07a5ca6b8eb97ed52de68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 091b38cfee164efbb88ebe658f768a09aba73093b1294e38707e52c4bb314867
[INFO] running `Command { std: "docker" "start" "-a" "091b38cfee164efbb88ebe658f768a09aba73093b1294e38707e52c4bb314867", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]    Compiling gcc v0.3.25
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling pkg-config v0.3.7
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking regex-syntax v0.2.5
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking strsim v0.3.0
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking memchr v0.1.10
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.5.1
[INFO] [stderr]     Checking tar v0.4.4
[INFO] [stderr]    Compiling libz-sys v1.0.1
[INFO] [stderr]    Compiling rust-crypto v0.2.34
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking walkdir v0.1.5
[INFO] [stderr]     Checking regex v0.1.54
[INFO] [stderr]     Checking flate2 v0.2.13
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking docopt v0.6.78
[INFO] [stderr]  Documenting backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/backup/index.html
[INFO] running `Command { std: "docker" "inspect" "091b38cfee164efbb88ebe658f768a09aba73093b1294e38707e52c4bb314867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091b38cfee164efbb88ebe658f768a09aba73093b1294e38707e52c4bb314867", kill_on_drop: false }`
[INFO] [stdout] 091b38cfee164efbb88ebe658f768a09aba73093b1294e38707e52c4bb314867