[INFO] cloning repository https://github.com/detailyang/git-mix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/detailyang/git-mix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdetailyang%2Fgit-mix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdetailyang%2Fgit-mix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a4fd69dbbb13f6c623be729ad4f137284311a94
[INFO] documenting detailyang/git-mix 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%2Fdetailyang%2Fgit-mix" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/detailyang/git-mix 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/detailyang/git-mix
[INFO] finished tweaking git repo https://github.com/detailyang/git-mix
[INFO] tweaked toml for git repo https://github.com/detailyang/git-mix written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/detailyang/git-mix 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.1.0
[INFO] [stderr]   Downloaded time v0.1.38
[INFO] [stderr]   Downloaded magenta-sys v0.1.1
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded atty v0.2.2
[INFO] [stderr]   Downloaded textwrap v0.7.0
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.0
[INFO] [stderr]   Downloaded clap v2.26.0
[INFO] [stderr]   Downloaded libc v0.2.28
[INFO] [stderr]   Downloaded rand v0.3.16
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded ansi_term v0.9.0
[INFO] [stderr]   Downloaded magenta v0.1.1
[INFO] [stderr]   Downloaded redox_syscall v0.1.28
[INFO] [stderr]   Downloaded term_size v0.3.0
[INFO] [stderr]   Downloaded gcc v0.3.51
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded bitflags v0.9.1
[INFO] [stderr]   Downloaded custom_derive v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d0cfcfe8331e672271475b4795ef45893a998a49a6ecef1044d0fc45d2e1f0a7
[INFO] running `Command { std: "docker" "start" "-a" "d0cfcfe8331e672271475b4795ef45893a998a49a6ecef1044d0fc45d2e1f0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0cfcfe8331e672271475b4795ef45893a998a49a6ecef1044d0fc45d2e1f0a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cfcfe8331e672271475b4795ef45893a998a49a6ecef1044d0fc45d2e1f0a7", kill_on_drop: false }`
[INFO] [stdout] d0cfcfe8331e672271475b4795ef45893a998a49a6ecef1044d0fc45d2e1f0a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2922aba0dac3d4e1f1a7c6b647163b8d3a9751ab9062e6932b6a745ca6ddd9c3
[INFO] running `Command { std: "docker" "start" "-a" "2922aba0dac3d4e1f1a7c6b647163b8d3a9751ab9062e6932b6a745ca6ddd9c3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking textwrap v0.7.0
[INFO] [stderr]     Checking clap v2.26.0
[INFO] [stderr]     Checking git-mix v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting git-mix v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:26:22
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let result = try!(encryptor.encrypt(&mut read_buffer, &mut write_buffer, true));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |         let result = try!(decryptor.decrypt(&mut read_buffer, &mut write_buffer, true));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
[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/mix/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/git_mix/index.html
[INFO] running `Command { std: "docker" "inspect" "2922aba0dac3d4e1f1a7c6b647163b8d3a9751ab9062e6932b6a745ca6ddd9c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2922aba0dac3d4e1f1a7c6b647163b8d3a9751ab9062e6932b6a745ca6ddd9c3", kill_on_drop: false }`
[INFO] [stdout] 2922aba0dac3d4e1f1a7c6b647163b8d3a9751ab9062e6932b6a745ca6ddd9c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] afdc8d778b3b4aa5f1a78ae007df3ca73fdcdb8210210729db1c6256647c8ab1
[INFO] running `Command { std: "docker" "start" "-a" "afdc8d778b3b4aa5f1a78ae007df3ca73fdcdb8210210729db1c6256647c8ab1", kill_on_drop: false }`
[INFO] [stderr]  Documenting git-mix v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[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/mix/index.html
[INFO] running `Command { std: "docker" "inspect" "afdc8d778b3b4aa5f1a78ae007df3ca73fdcdb8210210729db1c6256647c8ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdc8d778b3b4aa5f1a78ae007df3ca73fdcdb8210210729db1c6256647c8ab1", kill_on_drop: false }`
[INFO] [stdout] afdc8d778b3b4aa5f1a78ae007df3ca73fdcdb8210210729db1c6256647c8ab1