[INFO] fetching crate lup 0.3.0...
[INFO] testing lup-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate lup 0.3.0 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate lup 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lup 0.3.0
[INFO] finished tweaking crates.io crate lup 0.3.0
[INFO] tweaked toml for crates.io crate lup 0.3.0 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f10e563f39244aa81c7a661fc57729b7ca8cb0d07956f9655e398f7987cfc5f5
[INFO] running `Command { std: "docker" "start" "-a" "f10e563f39244aa81c7a661fc57729b7ca8cb0d07956f9655e398f7987cfc5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f10e563f39244aa81c7a661fc57729b7ca8cb0d07956f9655e398f7987cfc5f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10e563f39244aa81c7a661fc57729b7ca8cb0d07956f9655e398f7987cfc5f5", kill_on_drop: false }`
[INFO] [stdout] f10e563f39244aa81c7a661fc57729b7ca8cb0d07956f9655e398f7987cfc5f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1219c87821e9de28027c85c6fb694e41f9b2f3413002182f0db4f982ebe28e59
[INFO] running `Command { std: "docker" "start" "-a" "1219c87821e9de28027c85c6fb694e41f9b2f3413002182f0db4f982ebe28e59", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lup v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:187:22
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn it(&mut self, I, T) -> bool;
[INFO] [stdout]     |                      ^ help: try naming the parameter or explicitly ignoring it: `_: I`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/lib.rs:187:25
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn it(&mut self, I, T) -> bool;
[INFO] [stdout]     |                         ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing documentation for a macro
[INFO] [stdout]    --> src/lib.rs:193:1
[INFO] [stdout]     |
[INFO] [stdout] 193 | / macro_rules! lup(
[INFO] [stdout] 194 | |     ($sum:ty : $i:tt , $($j:tt),+ by $list:expr => $body:block) => {
[INFO] [stdout] 195 | |         lup!($sum : $i in 0..$list.len() => {
[INFO] [stdout] 196 | |             lup!($sum : $($j),* by $list[$i] => $body)
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |     }}
[INFO] [stdout] 216 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 | #![deny(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lup` due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1219c87821e9de28027c85c6fb694e41f9b2f3413002182f0db4f982ebe28e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1219c87821e9de28027c85c6fb694e41f9b2f3413002182f0db4f982ebe28e59", kill_on_drop: false }`
[INFO] [stdout] 1219c87821e9de28027c85c6fb694e41f9b2f3413002182f0db4f982ebe28e59