[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 try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkamleshhello%2FRust_hackathon_18" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kamleshhello/Rust_hackathon_18 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-20/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fs_extra v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cfe2a8b61069eb0d1470b040d907df958636c66cd3d0eaf84612afc50267674
[INFO] running `Command { std: "docker" "start" "-a" "8cfe2a8b61069eb0d1470b040d907df958636c66cd3d0eaf84612afc50267674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cfe2a8b61069eb0d1470b040d907df958636c66cd3d0eaf84612afc50267674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cfe2a8b61069eb0d1470b040d907df958636c66cd3d0eaf84612afc50267674", kill_on_drop: false }`
[INFO] [stdout] 8cfe2a8b61069eb0d1470b040d907df958636c66cd3d0eaf84612afc50267674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f48600bf92ff0c41145fa24a6da91bd2f1add58ab723ebcdb480cc489a49a86c
[INFO] running `Command { std: "docker" "start" "-a" "f48600bf92ff0c41145fa24a6da91bd2f1add58ab723ebcdb480cc489a49a86c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 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 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] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "f48600bf92ff0c41145fa24a6da91bd2f1add58ab723ebcdb480cc489a49a86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48600bf92ff0c41145fa24a6da91bd2f1add58ab723ebcdb480cc489a49a86c", kill_on_drop: false }`
[INFO] [stdout] f48600bf92ff0c41145fa24a6da91bd2f1add58ab723ebcdb480cc489a49a86c