[INFO] cloning repository https://github.com/kamleshhello/Rust_hackathon_18
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kamleshhello/Rust_hackathon_18" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamleshhello%2FRust_hackathon_18", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamleshhello%2FRust_hackathon_18'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 337dcc6125531373395ce6f236aa7d3a85a82d4f
[INFO] checking kamleshhello/Rust_hackathon_18 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamleshhello%2FRust_hackathon_18" "/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/kamleshhello/Rust_hackathon_18 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kamleshhello/Rust_hackathon_18
[INFO] finished tweaking git repo https://github.com/kamleshhello/Rust_hackathon_18
[INFO] tweaked toml for git repo https://github.com/kamleshhello/Rust_hackathon_18 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kamleshhello/Rust_hackathon_18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dbe120f36f8bd387ab4c6a614541c47a851e23fa74b12e825b3596c1e7217047
[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" "dbe120f36f8bd387ab4c6a614541c47a851e23fa74b12e825b3596c1e7217047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dbe120f36f8bd387ab4c6a614541c47a851e23fa74b12e825b3596c1e7217047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbe120f36f8bd387ab4c6a614541c47a851e23fa74b12e825b3596c1e7217047", kill_on_drop: false }`
[INFO] [stdout] dbe120f36f8bd387ab4c6a614541c47a851e23fa74b12e825b3596c1e7217047
[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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb34b5e540f39e04776d7be2ca09fdd7ab0a9075a87c4c6c8c9b365ba1987bc5
[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" "fb34b5e540f39e04776d7be2ca09fdd7ab0a9075a87c4c6c8c9b365ba1987bc5", kill_on_drop: false }`
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking workshop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs_extra::dir::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fs_extra::dir::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs_extra::error::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fs_extra::error::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let cmd = &args[1];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let ln = "ln".to_string();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/main.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 let options = fs_extra::dir::CopyOptions::new(); /* dir1 to dir2 is not working right now */
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs_extra::dir::*`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fs_extra::dir::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs_extra::error::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fs_extra::error::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let cmd = &args[1];
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ln`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let ln = "ln".to_string();
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_ln`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `options`
[INFO] [stdout]   --> src/main.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 let options = fs_extra::dir::CopyOptions::new(); /* dir1 to dir2 is not working right now */
[INFO] [stdout]    |                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_options`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "fb34b5e540f39e04776d7be2ca09fdd7ab0a9075a87c4c6c8c9b365ba1987bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb34b5e540f39e04776d7be2ca09fdd7ab0a9075a87c4c6c8c9b365ba1987bc5", kill_on_drop: false }`
[INFO] [stdout] fb34b5e540f39e04776d7be2ca09fdd7ab0a9075a87c4c6c8c9b365ba1987bc5