[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-1.37-6/sources/1.36.0/gh/kamleshhello/Rust_hackathon_18"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/kamleshhello/Rust_hackathon_18'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kamleshhello/Rust_hackathon_18" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/kamleshhello/Rust_hackathon_18"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kamleshhello/Rust_hackathon_18 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing kamleshhello/Rust_hackathon_18 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d0e7baf02064d72ab64043104864e135272d3a41c9e1e626079d6f36d2285ef3
[INFO] running `"docker" "start" "-a" "d0e7baf02064d72ab64043104864e135272d3a41c9e1e626079d6f36d2285ef3"`
[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 0.87s
[INFO] running `"docker" "inspect" "d0e7baf02064d72ab64043104864e135272d3a41c9e1e626079d6f36d2285ef3"`
[INFO] running `"docker" "rm" "-f" "d0e7baf02064d72ab64043104864e135272d3a41c9e1e626079d6f36d2285ef3"`
[INFO] [stdout] d0e7baf02064d72ab64043104864e135272d3a41c9e1e626079d6f36d2285ef3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 64d7dc8c8c31002c610ea6e736c6f42aa8841fff69053d88fa9115868a6ba9d8
[INFO] running `"docker" "start" "-a" "64d7dc8c8c31002c610ea6e736c6f42aa8841fff69053d88fa9115868a6ba9d8"`
[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 1.18s
[INFO] running `"docker" "inspect" "64d7dc8c8c31002c610ea6e736c6f42aa8841fff69053d88fa9115868a6ba9d8"`
[INFO] running `"docker" "rm" "-f" "64d7dc8c8c31002c610ea6e736c6f42aa8841fff69053d88fa9115868a6ba9d8"`
[INFO] [stdout] 64d7dc8c8c31002c610ea6e736c6f42aa8841fff69053d88fa9115868a6ba9d8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7097debbe073cfcae7b2e159d90c43f058296ec52bf730d007c757ede703224f
[INFO] running `"docker" "start" "-a" "7097debbe073cfcae7b2e159d90c43f058296ec52bf730d007c757ede703224f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/workshop-cd9b28ad7de9c1ae
[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" "7097debbe073cfcae7b2e159d90c43f058296ec52bf730d007c757ede703224f"`
[INFO] running `"docker" "rm" "-f" "7097debbe073cfcae7b2e159d90c43f058296ec52bf730d007c757ede703224f"`
[INFO] [stdout] 7097debbe073cfcae7b2e159d90c43f058296ec52bf730d007c757ede703224f