[INFO] cloning repository https://github.com/dotcypress/mtproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dotcypress/mtproxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcypress%2Fmtproxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcypress%2Fmtproxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d37a77645e3dbc1306072ced35f54cdb458589a
[INFO] documenting dotcypress/mtproxy 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%2Fdotcypress%2Fmtproxy" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dotcypress/mtproxy 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/dotcypress/mtproxy
[INFO] finished tweaking git repo https://github.com/dotcypress/mtproxy
[INFO] tweaked toml for git repo https://github.com/dotcypress/mtproxy written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dotcypress/mtproxy 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded stderrlog v0.4.0
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded bytes v0.4.8
[INFO] [stderr]   Downloaded chrono v0.4.3
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded mio v0.6.14
[INFO] [stderr]   Downloaded ring v0.13.0-alpha5
[INFO] [stderr]   Downloaded untrusted v0.6.1
[INFO] [stderr]   Downloaded webpki v0.18.0-alpha4
[INFO] [stderr]   Downloaded sct v0.3.0
[INFO] [stderr]   Downloaded rand v0.5.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded webpki-roots v0.14.0
[INFO] [stderr]   Downloaded log v0.4.2
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded rustls v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 25a4e1502902f2716eddd0ee52bb81aaa58b99870764824d2af11adc491724b3
[INFO] running `Command { std: "docker" "start" "-a" "25a4e1502902f2716eddd0ee52bb81aaa58b99870764824d2af11adc491724b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a4e1502902f2716eddd0ee52bb81aaa58b99870764824d2af11adc491724b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a4e1502902f2716eddd0ee52bb81aaa58b99870764824d2af11adc491724b3", kill_on_drop: false }`
[INFO] [stdout] 25a4e1502902f2716eddd0ee52bb81aaa58b99870764824d2af11adc491724b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ddf4ad40ca07e43a73599b76b7dbdb2f09cd5176c0ada3c8dbf54574d1db7539
[INFO] running `Command { std: "docker" "start" "-a" "ddf4ad40ca07e43a73599b76b7dbdb2f09cd5176c0ada3c8dbf54574d1db7539", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking untrusted v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking log v0.4.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking mio v0.6.14
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling ring v0.13.0-alpha5
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking chrono v0.4.3
[INFO] [stderr]     Checking stderrlog v0.4.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking webpki v0.18.0-alpha4
[INFO] [stderr]     Checking sct v0.3.0
[INFO] [stderr]     Checking webpki-roots v0.14.0
[INFO] [stderr]     Checking rustls v0.12.0
[INFO] [stderr]  Documenting mtproxy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24, syn v0.14.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/mtproxy/index.html
[INFO] running `Command { std: "docker" "inspect" "ddf4ad40ca07e43a73599b76b7dbdb2f09cd5176c0ada3c8dbf54574d1db7539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddf4ad40ca07e43a73599b76b7dbdb2f09cd5176c0ada3c8dbf54574d1db7539", kill_on_drop: false }`
[INFO] [stdout] ddf4ad40ca07e43a73599b76b7dbdb2f09cd5176c0ada3c8dbf54574d1db7539