[INFO] cloning repository https://github.com/avatsaev/rust-overview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/avatsaev/rust-overview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favatsaev%2Frust-overview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favatsaev%2Frust-overview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de03672e54dd55117007020e1619daf58f2e2ca7
[INFO] checking avatsaev/rust-overview against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Favatsaev%2Frust-overview" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/avatsaev/rust-overview on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/avatsaev/rust-overview
[INFO] finished tweaking git repo https://github.com/avatsaev/rust-overview
[INFO] tweaked toml for git repo https://github.com/avatsaev/rust-overview written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/avatsaev/rust-overview already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] 664b23226da0b3385155a5bcdcceecc2484431930f7b8712321b2530ee9be658
[INFO] running `Command { std: "docker" "start" "-a" "664b23226da0b3385155a5bcdcceecc2484431930f7b8712321b2530ee9be658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "664b23226da0b3385155a5bcdcceecc2484431930f7b8712321b2530ee9be658", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "664b23226da0b3385155a5bcdcceecc2484431930f7b8712321b2530ee9be658", kill_on_drop: false }`
[INFO] [stdout] 664b23226da0b3385155a5bcdcceecc2484431930f7b8712321b2530ee9be658
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee05c0cccdd66f3360b53fb8bc1e0af3a5d7e0f4c5f7d0998c3ed6b9f32172ca
[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" "ee05c0cccdd66f3360b53fb8bc1e0af3a5d7e0f4c5f7d0998c3ed6b9f32172ca", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]     Checking rocket_http v0.4.2
[INFO] [stderr]     Checking overview v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:94:5
[INFO] [stdout]     |
[INFO] [stdout] 94  | /     /**
[INFO] [stdout] 95  | |     // let mut vec = vec![1,2,3,5,6,7,8];
[INFO] [stdout] 96  | |     //   let res = borrow_sum(&vec);
[INFO] [stdout] 97  | |     //   println!("Sum of {} values: {}", vec.len(), res );
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     // }
[INFO] [stdout] 118 | |     **/
[INFO] [stdout]     | |_______^
[INFO] [stdout] 119 | 
[INFO] [stdout] 120 |       let mut state = MachineState::Normal;
[INFO] [stdout]     |       ------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:94:5
[INFO] [stdout]     |
[INFO] [stdout] 94  | /     /**
[INFO] [stdout] 95  | |     // let mut vec = vec![1,2,3,5,6,7,8];
[INFO] [stdout] 96  | |     //   let res = borrow_sum(&vec);
[INFO] [stdout] 97  | |     //   println!("Sum of {} values: {}", vec.len(), res );
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | |     // }
[INFO] [stdout] 118 | |     **/
[INFO] [stdout]     | |_______^
[INFO] [stdout] 119 | 
[INFO] [stdout] 120 |       let mut state = MachineState::Normal;
[INFO] [stdout]     |       ------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "ee05c0cccdd66f3360b53fb8bc1e0af3a5d7e0f4c5f7d0998c3ed6b9f32172ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee05c0cccdd66f3360b53fb8bc1e0af3a5d7e0f4c5f7d0998c3ed6b9f32172ca", kill_on_drop: false }`
[INFO] [stdout] ee05c0cccdd66f3360b53fb8bc1e0af3a5d7e0f4c5f7d0998c3ed6b9f32172ca