[INFO] cloning repository https://github.com/scrogson/devbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scrogson/devbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrogson%2Fdevbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrogson%2Fdevbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 245db5e6bf4a6d02d243b7c1550fb7c57635061d
[INFO] documenting scrogson/devbox 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%2Fscrogson%2Fdevbox" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scrogson/devbox 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/scrogson/devbox
[INFO] finished tweaking git repo https://github.com/scrogson/devbox
[INFO] tweaked toml for git repo https://github.com/scrogson/devbox written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/scrogson/devbox 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded serde v1.0.24
[INFO] [stderr]   Downloaded byteorder v1.2.1
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded clap v2.29.0
[INFO] [stderr]   Downloaded csv v0.15.0
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded rayon v1.0.1
[INFO] [stderr]   Downloaded dirs v1.0.2
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.32
[INFO] [stderr]   Downloaded prettytable-rs v0.6.7
[INFO] [stderr]   Downloaded encode_unicode v0.3.1
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded num_cpus v1.7.0
[INFO] [stderr]   Downloaded rayon-core v1.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.24
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.5
[INFO] [stderr]   Downloaded atty v0.2.3
[INFO] [stderr]   Downloaded serde_derive_internals v0.18.0
[INFO] [stderr]   Downloaded remove_dir_all v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 4968299462f7417008c07fe50e37f344f630654733614e5ee5194ebf48a1760b
[INFO] running `Command { std: "docker" "start" "-a" "4968299462f7417008c07fe50e37f344f630654733614e5ee5194ebf48a1760b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4968299462f7417008c07fe50e37f344f630654733614e5ee5194ebf48a1760b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4968299462f7417008c07fe50e37f344f630654733614e5ee5194ebf48a1760b", kill_on_drop: false }`
[INFO] [stdout] 4968299462f7417008c07fe50e37f344f630654733614e5ee5194ebf48a1760b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5e8488731a5944f2f88365f376edd4516b474fa5e1d938a35fd908a4d69f35d9
[INFO] running `Command { std: "docker" "start" "-a" "5e8488731a5944f2f88365f376edd4516b474fa5e1d938a35fd908a4d69f35d9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking serde v1.0.24
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking csv v0.15.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking remove_dir_all v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking encode_unicode v0.3.1
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking dirs v1.0.2
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking prettytable-rs v0.6.7
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling serde_derive_internals v0.18.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.24
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]  Documenting devbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.10s
[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/devbox/index.html
[INFO] running `Command { std: "docker" "inspect" "5e8488731a5944f2f88365f376edd4516b474fa5e1d938a35fd908a4d69f35d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8488731a5944f2f88365f376edd4516b474fa5e1d938a35fd908a4d69f35d9", kill_on_drop: false }`
[INFO] [stdout] 5e8488731a5944f2f88365f376edd4516b474fa5e1d938a35fd908a4d69f35d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7855e25aa83e5ed3eea835e18d8f5689f6adeea678a512c69e8fedf85d69db1
[INFO] running `Command { std: "docker" "start" "-a" "b7855e25aa83e5ed3eea835e18d8f5689f6adeea678a512c69e8fedf85d69db1", kill_on_drop: false }`
[INFO] [stderr]  Documenting devbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[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/devbox/index.html
[INFO] running `Command { std: "docker" "inspect" "b7855e25aa83e5ed3eea835e18d8f5689f6adeea678a512c69e8fedf85d69db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7855e25aa83e5ed3eea835e18d8f5689f6adeea678a512c69e8fedf85d69db1", kill_on_drop: false }`
[INFO] [stdout] b7855e25aa83e5ed3eea835e18d8f5689f6adeea678a512c69e8fedf85d69db1