[INFO] updating cached repository kamleshhello/Rust_hackathon_18
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kamleshhello/Rust_hackathon_18
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kamleshhello/Rust_hackathon_18" "work/ex/beta-1.38-1/sources/1.37.0/gh/kamleshhello/Rust_hackathon_18"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kamleshhello/Rust_hackathon_18'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kamleshhello/Rust_hackathon_18" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamleshhello/Rust_hackathon_18"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamleshhello/Rust_hackathon_18'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 337dcc6125531373395ce6f236aa7d3a85a82d4f
[INFO] sha for GitHub repo kamleshhello/Rust_hackathon_18: 337dcc6125531373395ce6f236aa7d3a85a82d4f
[INFO] validating manifest of kamleshhello/Rust_hackathon_18 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kamleshhello/Rust_hackathon_18 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kamleshhello/Rust_hackathon_18
[INFO] finished frobbing kamleshhello/Rust_hackathon_18
[INFO] frobbed toml for kamleshhello/Rust_hackathon_18 written to work/ex/beta-1.38-1/sources/1.37.0/gh/kamleshhello/Rust_hackathon_18/Cargo.toml
[INFO] started frobbing kamleshhello/Rust_hackathon_18
[INFO] finished frobbing kamleshhello/Rust_hackathon_18
[INFO] frobbed toml for kamleshhello/Rust_hackathon_18 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kamleshhello/Rust_hackathon_18/Cargo.toml
[INFO] crate kamleshhello/Rust_hackathon_18 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing kamleshhello/Rust_hackathon_18 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kamleshhello/Rust_hackathon_18:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 20e6ac14d41802dd16c9ebb253810d2badc2b3e88ad288dbe120a48927a14c19
[INFO] running `"docker" "start" "-a" "20e6ac14d41802dd16c9ebb253810d2badc2b3e88ad288dbe120a48927a14c19"`
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]    Compiling workshop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `fs_extra::dir::*`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use fs_extra::dir::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs_extra::error::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use fs_extra::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let cmd = &args[1];
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_cmd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let ln = "ln".to_string();
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]   --> src/main.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 let options = fs_extra::dir::CopyOptions::new(); /* dir1 to dir2 is not working right now */
[INFO] [stderr]    |                     ^^^^^^^ help: consider prefixing with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "20e6ac14d41802dd16c9ebb253810d2badc2b3e88ad288dbe120a48927a14c19"`
[INFO] running `"docker" "rm" "-f" "20e6ac14d41802dd16c9ebb253810d2badc2b3e88ad288dbe120a48927a14c19"`
[INFO] [stdout] 20e6ac14d41802dd16c9ebb253810d2badc2b3e88ad288dbe120a48927a14c19
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kamleshhello/Rust_hackathon_18:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 255fe144104845a78426cfa55d42634818fcc6fa0c4c694f9a7ffd31dc69e0d5
[INFO] running `"docker" "start" "-a" "255fe144104845a78426cfa55d42634818fcc6fa0c4c694f9a7ffd31dc69e0d5"`
[INFO] [stderr]    Compiling workshop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `fs_extra::dir::*`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use fs_extra::dir::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs_extra::error::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use fs_extra::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cmd`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let cmd = &args[1];
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_cmd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ln`
[INFO] [stderr]   --> src/main.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let ln = "ln".to_string();
[INFO] [stderr]    |         ^^ help: consider prefixing with an underscore: `_ln`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `options`
[INFO] [stderr]   --> src/main.rs:33:21
[INFO] [stderr]    |
[INFO] [stderr] 33 |                 let options = fs_extra::dir::CopyOptions::new(); /* dir1 to dir2 is not working right now */
[INFO] [stderr]    |                     ^^^^^^^ help: consider prefixing with an underscore: `_options`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "255fe144104845a78426cfa55d42634818fcc6fa0c4c694f9a7ffd31dc69e0d5"`
[INFO] running `"docker" "rm" "-f" "255fe144104845a78426cfa55d42634818fcc6fa0c4c694f9a7ffd31dc69e0d5"`
[INFO] [stdout] 255fe144104845a78426cfa55d42634818fcc6fa0c4c694f9a7ffd31dc69e0d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/kamleshhello/Rust_hackathon_18:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b5c23684570f4a2f2ccf8c820e5e5c3983cb602b6cf0852d2ffe05395fa63156
[INFO] running `"docker" "start" "-a" "b5c23684570f4a2f2ccf8c820e5e5c3983cb602b6cf0852d2ffe05395fa63156"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/workshop-86d9d90406469f85
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b5c23684570f4a2f2ccf8c820e5e5c3983cb602b6cf0852d2ffe05395fa63156"`
[INFO] running `"docker" "rm" "-f" "b5c23684570f4a2f2ccf8c820e5e5c3983cb602b6cf0852d2ffe05395fa63156"`
[INFO] [stdout] b5c23684570f4a2f2ccf8c820e5e5c3983cb602b6cf0852d2ffe05395fa63156