[INFO] cloning repository https://github.com/mirosval/diffstat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mirosval/diffstat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirosval%2Fdiffstat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirosval%2Fdiffstat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1932f54027d77244ac0a87b6df2533f62ada4914
[INFO] documenting mirosval/diffstat against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmirosval%2Fdiffstat" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mirosval/diffstat on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mirosval/diffstat
[INFO] finished tweaking git repo https://github.com/mirosval/diffstat
[INFO] tweaked toml for git repo https://github.com/mirosval/diffstat written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mirosval/diffstat 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" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sysctl v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53910f3fa45aa9a7e352eb134316c59c0916ebd1004d1587982cf33ae8217a96
[INFO] running `Command { std: "docker" "start" "-a" "53910f3fa45aa9a7e352eb134316c59c0916ebd1004d1587982cf33ae8217a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53910f3fa45aa9a7e352eb134316c59c0916ebd1004d1587982cf33ae8217a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53910f3fa45aa9a7e352eb134316c59c0916ebd1004d1587982cf33ae8217a96", kill_on_drop: false }`
[INFO] [stdout] 53910f3fa45aa9a7e352eb134316c59c0916ebd1004d1587982cf33ae8217a96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcf34044c46098e4e7b6e2dca17ecc035824c24113d7f83681d7287ae5eb1258
[INFO] running `Command { std: "docker" "start" "-a" "dcf34044c46098e4e7b6e2dca17ecc035824c24113d7f83681d7287ae5eb1258", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking human_format v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking sysctl v0.5.4
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]  Documenting diffmetrik v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]    --> src/metrics/network.rs:131:10
[INFO] [stdout]     |
[INFO] [stdout] 131 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing one of these items:
[INFO] [stdout]             crate::metrics::Serialize
[INFO] [stdout]             serde::Serialize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]    --> src/metrics/network.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider importing one of these items:
[INFO] [stdout]             crate::metrics::Deserialize
[INFO] [stdout]             serde::Deserialize
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:259:14
[INFO] [stdout]     |
[INFO] [stdout] 259 |         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stdout]     |              ^^                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 259 -         .map({ |line| LinuxProcNetDevLine::new(line) })
[INFO] [stdout] 259 +         .map(|line| LinuxProcNetDevLine::new(line))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:258:17
[INFO] [stdout]     |
[INFO] [stdout] 258 |         .filter({ |line| line.starts_with("eth") })
[INFO] [stdout]     |                 ^^                              ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 258 -         .filter({ |line| line.starts_with("eth") })
[INFO] [stdout] 258 +         .filter(|line| line.starts_with("eth"))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/metrics/network.rs:257:14
[INFO] [stdout]     |
[INFO] [stdout] 257 |         .map({ |line| line.trim() })
[INFO] [stdout]     |              ^^                  ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 257 -         .map({ |line| line.trim() })
[INFO] [stdout] 257 +         .map(|line| line.trim())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `diffmetrik`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name diffmetrik src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=ddc186c52ed579d5 -L dependency=/opt/rustwide/target/debug/deps --extern fs2=/opt/rustwide/target/debug/deps/libfs2-6495914f241ff88e.rmeta --extern human_format=/opt/rustwide/target/debug/deps/libhuman_format-e75cce3c0949ac26.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-f253fff847b1bcb3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-74be4f1c63982ee3.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f89f1cf2cc12f357.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-644ca53d0a5ebec4.rmeta --extern sysctl=/opt/rustwide/target/debug/deps/libsysctl-85bfe25e276559ba.rmeta --cap-lints=warn --crate-version 0.3.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "dcf34044c46098e4e7b6e2dca17ecc035824c24113d7f83681d7287ae5eb1258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcf34044c46098e4e7b6e2dca17ecc035824c24113d7f83681d7287ae5eb1258", kill_on_drop: false }`
[INFO] [stdout] dcf34044c46098e4e7b6e2dca17ecc035824c24113d7f83681d7287ae5eb1258
