[INFO] cloning repository https://github.com/ehlxr/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ehlxr/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fehlxr%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fehlxr%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af12dad5396dac423aaff743e83ba5fc114016fb
[INFO] documenting ehlxr/rust_study against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fehlxr%2Frust_study" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ehlxr/rust_study on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ehlxr/rust_study
[INFO] finished tweaking git repo https://github.com/ehlxr/rust_study
[INFO] tweaked toml for git repo https://github.com/ehlxr/rust_study written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ehlxr/rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2901c51a981c48495ec6eb89dd368e71f3675ed133d9933abf2e0f9578ff662
[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" "f2901c51a981c48495ec6eb89dd368e71f3675ed133d9933abf2e0f9578ff662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2901c51a981c48495ec6eb89dd368e71f3675ed133d9933abf2e0f9578ff662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2901c51a981c48495ec6eb89dd368e71f3675ed133d9933abf2e0f9578ff662", kill_on_drop: false }`
[INFO] [stdout] f2901c51a981c48495ec6eb89dd368e71f3675ed133d9933abf2e0f9578ff662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] ec1cf5b61bed8e7d1640ae88f3d7679c461b9cc1a6885cafeb0b832f51599bb7
[INFO] running `Command { std: "docker" "start" "-a" "ec1cf5b61bed8e7d1640ae88f3d7679c461b9cc1a6885cafeb0b832f51599bb7", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:640:10
[INFO] [stdout]     |
[INFO] [stdout] 640 |         1...5 => println!("one through five"),
[INFO] [stdout]     |          ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:646:12
[INFO] [stdout]     |
[INFO] [stdout] 646 |         'a'...'j' => println!("early ASCII letter"),
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:647:12
[INFO] [stdout]     |
[INFO] [stdout] 647 |         'k'...'z' => println!("late ASCII letter"),
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:779:35
[INFO] [stdout]     |
[INFO] [stdout] 779 |         Ms::Hello { id: id_var @ 3...7 } => println!("Found an id in range: {}", id_var),
[INFO] [stdout]     |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:781:27
[INFO] [stdout]     |
[INFO] [stdout] 781 |         Ms::Hello { id: 10...12 } => println!("Found an id in another range"),
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "ec1cf5b61bed8e7d1640ae88f3d7679c461b9cc1a6885cafeb0b832f51599bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1cf5b61bed8e7d1640ae88f3d7679c461b9cc1a6885cafeb0b832f51599bb7", kill_on_drop: false }`
[INFO] [stdout] ec1cf5b61bed8e7d1640ae88f3d7679c461b9cc1a6885cafeb0b832f51599bb7