[INFO] fetching crate lup 0.3.0...
[INFO] checking lup-0.3.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate lup 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lup 0.3.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2415e926c5abb00322d4d4f4e34c9691b663632afe2355c0ff8821a8fa88c828
[INFO] running `Command { std: "docker" "start" "-a" "2415e926c5abb00322d4d4f4e34c9691b663632afe2355c0ff8821a8fa88c828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2415e926c5abb00322d4d4f4e34c9691b663632afe2355c0ff8821a8fa88c828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2415e926c5abb00322d4d4f4e34c9691b663632afe2355c0ff8821a8fa88c828", kill_on_drop: false }`
[INFO] [stdout] 2415e926c5abb00322d4d4f4e34c9691b663632afe2355c0ff8821a8fa88c828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf6fd1ea26f445783a30687c0f1c1740d68235ac291ac2b7a2ba80115cecb48c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf6fd1ea26f445783a30687c0f1c1740d68235ac291ac2b7a2ba80115cecb48c", kill_on_drop: false }`
[INFO] [stderr]     Checking lup v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for 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] => $body)
[INFO] [stdout] ...   |
[INFO] [stdout] 215 | |     }}
[INFO] [stdout] 216 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 | #![deny(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lup`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: missing documentation for macro
[INFO] [stdout]    --> src/lib.rs:193:1
[INFO] [stdout]     |
[INFO] [stdout] 193 | / macro_rules! lup(
[INFO] [stdout] 194 | |     ($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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bf6fd1ea26f445783a30687c0f1c1740d68235ac291ac2b7a2ba80115cecb48c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf6fd1ea26f445783a30687c0f1c1740d68235ac291ac2b7a2ba80115cecb48c", kill_on_drop: false }`
[INFO] [stdout] bf6fd1ea26f445783a30687c0f1c1740d68235ac291ac2b7a2ba80115cecb48c