[INFO] cloning repository https://github.com/garyyu/rust-dag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garyyu/rust-dag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgaryyu%2Frust-dag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1e427807a0cf5a8ad4163bcf7fffab1da1d15bb
[INFO] documenting garyyu/rust-dag 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%2Fgaryyu%2Frust-dag" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/garyyu/rust-dag 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/garyyu/rust-dag
[INFO] finished tweaking git repo https://github.com/garyyu/rust-dag
[INFO] tweaked toml for git repo https://github.com/garyyu/rust-dag written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/garyyu/rust-dag 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wincolor v0.1.6
[INFO] [stderr]   Downloaded regex v0.2.10
[INFO] [stderr]   Downloaded atty v0.2.9
[INFO] [stderr]   Downloaded termcolor v0.3.6
[INFO] [stderr]   Downloaded env_logger v0.5.9
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 9da1fa114a7b2a264ee983a28fe56157f0afc1f0c6b22b562b19799c9005e8fc
[INFO] running `Command { std: "docker" "start" "-a" "9da1fa114a7b2a264ee983a28fe56157f0afc1f0c6b22b562b19799c9005e8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9da1fa114a7b2a264ee983a28fe56157f0afc1f0c6b22b562b19799c9005e8fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da1fa114a7b2a264ee983a28fe56157f0afc1f0c6b22b562b19799c9005e8fc", kill_on_drop: false }`
[INFO] [stdout] 9da1fa114a7b2a264ee983a28fe56157f0afc1f0c6b22b562b19799c9005e8fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] a878d43ec2656e8b78a03e19c8ce6769eb5f32531c573e0612996dee445ed5df
[INFO] running `Command { std: "docker" "start" "-a" "a878d43ec2656e8b78a03e19c8ce6769eb5f32531c573e0612996dee445ed5df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking atty v0.2.9
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking env_logger v0.5.9
[INFO] [stderr]     Checking blockdag v0.1.0 (/opt/rustwide/workdir/blockdag)
[INFO] [stderr]  Documenting blockdag v0.1.0 (/opt/rustwide/workdir/blockdag)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> blockdag/src/blockdag/dagsim.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     'outer: for reference in references {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> blockdag/src/blockdag/dagsim.rs:44:24
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 panic!(except_message);
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 44 |                 panic!("{}", except_message);
[INFO] [stdout]    |                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting godag v0.1.0 (/opt/rustwide/workdir/godag)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> blockdag/src/blockdag/calcblue.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |   ///     input 'block': a new added block to be calculated. before call this function, tips must have been updated for this new block.
[INFO] [stdout]    |  _________^
[INFO] [stdout] 25 | | ///
[INFO] [stdout]    | |_
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout]    = note: error from rustc: character literal may only contain one codepoint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.22s
[INFO] running `Command { std: "docker" "inspect" "a878d43ec2656e8b78a03e19c8ce6769eb5f32531c573e0612996dee445ed5df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a878d43ec2656e8b78a03e19c8ce6769eb5f32531c573e0612996dee445ed5df", kill_on_drop: false }`
[INFO] [stdout] a878d43ec2656e8b78a03e19c8ce6769eb5f32531c573e0612996dee445ed5df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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: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] 8056d51258d70b3a8d3d5f189a37ba3e6c3d497232adc031cec8ab3a805fe424
[INFO] running `Command { std: "docker" "start" "-a" "8056d51258d70b3a8d3d5f189a37ba3e6c3d497232adc031cec8ab3a805fe424", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "8056d51258d70b3a8d3d5f189a37ba3e6c3d497232adc031cec8ab3a805fe424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8056d51258d70b3a8d3d5f189a37ba3e6c3d497232adc031cec8ab3a805fe424", kill_on_drop: false }`
[INFO] [stdout] 8056d51258d70b3a8d3d5f189a37ba3e6c3d497232adc031cec8ab3a805fe424