[INFO] cloning repository https://github.com/DelusionalLogic/tcp-drive
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DelusionalLogic/tcp-drive" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalLogic%2Ftcp-drive", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalLogic%2Ftcp-drive'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4978420989bbcb5a4ddc11d3e74521579ca1e173
[INFO] documenting DelusionalLogic/tcp-drive against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDelusionalLogic%2Ftcp-drive" "/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/DelusionalLogic/tcp-drive on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DelusionalLogic/tcp-drive
[INFO] finished tweaking git repo https://github.com/DelusionalLogic/tcp-drive
[INFO] tweaked toml for git repo https://github.com/DelusionalLogic/tcp-drive written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/DelusionalLogic/tcp-drive already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_map v0.6.0
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded time v0.1.36
[INFO] [stderr]   Downloaded libc v0.2.18
[INFO] [stderr]   Downloaded redox_syscall v0.1.16
[INFO] [stderr]   Downloaded gcc v0.3.50
[INFO] [stderr]   Downloaded backtrace v0.3.2
[INFO] [stderr]   Downloaded backtrace-sys v0.1.11
[INFO] [stderr]   Downloaded unicode-segmentation v1.0.1
[INFO] [stderr]   Downloaded clap v2.20.0
[INFO] [stderr]   Downloaded pbr v1.0.0
[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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37f7deb7c080bd95a4574dded4ec29ac7fc2abf11d0932d2a4070485f828140f
[INFO] running `Command { std: "docker" "start" "-a" "37f7deb7c080bd95a4574dded4ec29ac7fc2abf11d0932d2a4070485f828140f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37f7deb7c080bd95a4574dded4ec29ac7fc2abf11d0932d2a4070485f828140f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f7deb7c080bd95a4574dded4ec29ac7fc2abf11d0932d2a4070485f828140f", kill_on_drop: false }`
[INFO] [stdout] 37f7deb7c080bd95a4574dded4ec29ac7fc2abf11d0932d2a4070485f828140f
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2a70f6b9ac3acb2e78f1a0b6293a3305d89c117041e7554013d68dc43fdc880
[INFO] running `Command { std: "docker" "start" "-a" "b2a70f6b9ac3acb2e78f1a0b6293a3305d89c117041e7554013d68dc43fdc880", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling send v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stdout] warning: unused imports: `BigEndian`, `ReadBytesExt`, `WriteBytesExt`
[INFO] [stdout]  --> build.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> build.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     f.write_all(b"
[INFO] [stdout] 32 | |     fn make_list() -> (Box<[&'static str]>, u32) {
[INFO] [stdout] 33 | |         return (Box::new([");
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> build.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     write!(f, "]), {});}}", words.len());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pbr v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]  Documenting send v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.24s
[INFO] running `Command { std: "docker" "inspect" "b2a70f6b9ac3acb2e78f1a0b6293a3305d89c117041e7554013d68dc43fdc880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2a70f6b9ac3acb2e78f1a0b6293a3305d89c117041e7554013d68dc43fdc880", kill_on_drop: false }`
[INFO] [stdout] b2a70f6b9ac3acb2e78f1a0b6293a3305d89c117041e7554013d68dc43fdc880
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] eb2673ffec0fa6cf8b7b2d216eec5c4ff618eb462b16e5ed5c384040a729598a
[INFO] running `Command { std: "docker" "start" "-a" "eb2673ffec0fa6cf8b7b2d216eec5c4ff618eb462b16e5ed5c384040a729598a", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]    Compiling gcc v0.3.50
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling byteorder v1.0.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking unicode-segmentation v1.0.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking vec_map v0.6.0
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling send v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stdout] warning: unused imports: `BigEndian`, `ReadBytesExt`, `WriteBytesExt`
[INFO] [stdout]  --> build.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stdout]   |                 ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> build.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     f.write_all(b"
[INFO] [stdout] 32 | |     fn make_list() -> (Box<[&'static str]>, u32) {
[INFO] [stdout] 33 | |         return (Box::new([");
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> build.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     write!(f, "]), {});}}", words.len());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking clap v2.20.0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking pbr v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]  Documenting send v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.18s
[INFO] running `Command { std: "docker" "inspect" "eb2673ffec0fa6cf8b7b2d216eec5c4ff618eb462b16e5ed5c384040a729598a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2673ffec0fa6cf8b7b2d216eec5c4ff618eb462b16e5ed5c384040a729598a", kill_on_drop: false }`
[INFO] [stdout] eb2673ffec0fa6cf8b7b2d216eec5c4ff618eb462b16e5ed5c384040a729598a