[INFO] cloning repository https://github.com/emk/rust-slow-iteration-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emk/rust-slow-iteration-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Frust-slow-iteration-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Frust-slow-iteration-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2ea535c506de87273be0529ef77b4ce8c19681b
[INFO] documenting emk/rust-slow-iteration-demo against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Frust-slow-iteration-demo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emk/rust-slow-iteration-demo on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emk/rust-slow-iteration-demo
[INFO] finished tweaking git repo https://github.com/emk/rust-slow-iteration-demo
[INFO] tweaked toml for git repo https://github.com/emk/rust-slow-iteration-demo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/emk/rust-slow-iteration-demo 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f512545186372ce803759cfe158522dc87c035d2b4431365ddbe49212cf67e7
[INFO] running `Command { std: "docker" "start" "-a" "8f512545186372ce803759cfe158522dc87c035d2b4431365ddbe49212cf67e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f512545186372ce803759cfe158522dc87c035d2b4431365ddbe49212cf67e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f512545186372ce803759cfe158522dc87c035d2b4431365ddbe49212cf67e7", kill_on_drop: false }`
[INFO] [stdout] 8f512545186372ce803759cfe158522dc87c035d2b4431365ddbe49212cf67e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ed3df8aef75c3da071193d260fd89b04c7f0d488129e1ae2f4bb7de01833525
[INFO] running `Command { std: "docker" "start" "-a" "8ed3df8aef75c3da071193d260fd89b04c7f0d488129e1ae2f4bb7de01833525", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-slow-iteration-demo v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0496]: lifetime name `'a` shadows a lifetime name that is already in scope
[INFO] [stdout]   --> src/lib.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl<'a> Buffer for BufferedReader<'a> {
[INFO] [stdout]    |      -- first declared here
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn next_line<'a>(&'a mut self) -> Option<&'a str> {
[INFO] [stdout]    |                  ^^ lifetime `'a` already in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `uint` in this scope
[INFO] [stdout]   --> src/lib.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     offset: uint,
[INFO] [stdout]    |             ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `range` is private
[INFO] [stdout]   --> src/lib.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 | use std::iter::range;
[INFO] [stdout]    |                ^^^^^ private module
[INFO] [stdout]    |
[INFO] [stdout] note: the module `range` is defined here
[INFO] [stdout]   --> /rustc/84c898d65adf2f39a5a98507f1fe0ce10a2b8dbc/library/core/src/iter/mod.rs:457:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | #![feature(macro_rules, trace_macros)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the feature `macro_rules` has been stable since `1.0.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid suffix `u` for number literal
[INFO] [stdout]   --> src/lib.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 |     for _ in range(0u, 200) { result.push_str(LINE); }
[INFO] [stdout]    |                    ^^ invalid suffix `u`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: method not compatible with trait
[INFO] [stdout]   --> src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn next_line<'a>(&'a mut self) -> Option<&'a str> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected signature `fn(&'a mut BufferedReader<'a>) -> std::option::Option<&'a str>`
[INFO] [stdout]               found signature `fn(&'a mut BufferedReader<'a>) -> std::option::Option<&'a str>`
[INFO] [stdout] note: the lifetime `'a` as defined here...
[INFO] [stdout]   --> src/lib.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     fn next_line<'a>(&'a mut self) -> Option<&'a str> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: ...does not necessarily outlive the lifetime `'a` as defined here
[INFO] [stdout]   --> src/lib.rs:68:6
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl<'a> Buffer for BufferedReader<'a> {
[INFO] [stdout]    |      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied
[INFO] [stdout]   --> src/lib.rs:98:10
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl<'a> Iterator<(String,String,String)> for CopyingParser<'a> {
[INFO] [stdout]    |          ^^^^^^^^ expected 0 generic arguments
[INFO] [stdout]    |
[INFO] [stdout] help: replace the generic bound with the associated type
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl<'a> Iterator<Item = (String,String,String)> for CopyingParser<'a> {
[INFO] [stdout]    |                   ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `Item`
[INFO] [stdout]   --> src/lib.rs:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl<'a> Iterator<(String,String,String)> for CopyingParser<'a> {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `Item` in implementation
[INFO] [stdout]    |
[INFO] [stdout]    = help: implement the missing item: `type Item = Type;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0107, E0308, E0412, E0496, E0554, E0603.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `rust-slow-iteration-demo`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name rust_slow_iteration_demo src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=963288cfe4962a7a -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8ed3df8aef75c3da071193d260fd89b04c7f0d488129e1ae2f4bb7de01833525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ed3df8aef75c3da071193d260fd89b04c7f0d488129e1ae2f4bb7de01833525", kill_on_drop: false }`
[INFO] [stdout] 8ed3df8aef75c3da071193d260fd89b04c7f0d488129e1ae2f4bb7de01833525
