[INFO] cloning repository johnvtan/youdontmatterworry
[INFO] running `"git" "clone" "--bare" "git://github.com/johnvtan/youdontmatterworry.git" "work/cache/sources/gh/johnvtan/youdontmatterworry"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/johnvtan/youdontmatterworry'...
[INFO] running `"git" "clone" "work/cache/sources/gh/johnvtan/youdontmatterworry" "work/ex/beta-1.37-6/sources/1.36.0/gh/johnvtan/youdontmatterworry"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/johnvtan/youdontmatterworry'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/johnvtan/youdontmatterworry" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/johnvtan/youdontmatterworry"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/johnvtan/youdontmatterworry'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 79efe15c8da0101e400691d5554036aea7025c55
[INFO] sha for GitHub repo johnvtan/youdontmatterworry: 79efe15c8da0101e400691d5554036aea7025c55
[INFO] validating manifest of johnvtan/youdontmatterworry 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 johnvtan/youdontmatterworry 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 johnvtan/youdontmatterworry
[INFO] finished frobbing johnvtan/youdontmatterworry
[INFO] frobbed toml for johnvtan/youdontmatterworry written to work/ex/beta-1.37-6/sources/1.36.0/gh/johnvtan/youdontmatterworry/Cargo.toml
[INFO] started frobbing johnvtan/youdontmatterworry
[INFO] finished frobbing johnvtan/youdontmatterworry
[INFO] frobbed toml for johnvtan/youdontmatterworry written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/johnvtan/youdontmatterworry/Cargo.toml
[INFO] crate johnvtan/youdontmatterworry 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing johnvtan/youdontmatterworry 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/johnvtan/youdontmatterworry:/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] 2c2e483cf3033e36508bacf374abd635323459e50b84f8516697ca6d8013bc7c
[INFO] running `"docker" "start" "-a" "2c2e483cf3033e36508bacf374abd635323459e50b84f8516697ca6d8013bc7c"`
[INFO] [stderr]    Compiling sentiment v0.1.1
[INFO] [stderr]    Compiling youdontmatterworry v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     for i in 0..100 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `"docker" "inspect" "2c2e483cf3033e36508bacf374abd635323459e50b84f8516697ca6d8013bc7c"`
[INFO] running `"docker" "rm" "-f" "2c2e483cf3033e36508bacf374abd635323459e50b84f8516697ca6d8013bc7c"`
[INFO] [stdout] 2c2e483cf3033e36508bacf374abd635323459e50b84f8516697ca6d8013bc7c
[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/johnvtan/youdontmatterworry:/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] 9591a22761267a254031882a693a618fb6229c98a3f0abe87761b75e8dfedbb3
[INFO] running `"docker" "start" "-a" "9591a22761267a254031882a693a618fb6229c98a3f0abe87761b75e8dfedbb3"`
[INFO] [stderr]    Compiling youdontmatterworry v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::env;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     for i in 0..100 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "9591a22761267a254031882a693a618fb6229c98a3f0abe87761b75e8dfedbb3"`
[INFO] running `"docker" "rm" "-f" "9591a22761267a254031882a693a618fb6229c98a3f0abe87761b75e8dfedbb3"`
[INFO] [stdout] 9591a22761267a254031882a693a618fb6229c98a3f0abe87761b75e8dfedbb3
[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/johnvtan/youdontmatterworry:/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] 934d639aa11c5d3cde0a54e10409ce0de096bc9ffaec18270c811457f4e57799
[INFO] running `"docker" "start" "-a" "934d639aa11c5d3cde0a54e10409ce0de096bc9ffaec18270c811457f4e57799"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/youdontmatterworry-25ec3eb2fa7304ec
[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" "934d639aa11c5d3cde0a54e10409ce0de096bc9ffaec18270c811457f4e57799"`
[INFO] running `"docker" "rm" "-f" "934d639aa11c5d3cde0a54e10409ce0de096bc9ffaec18270c811457f4e57799"`
[INFO] [stdout] 934d639aa11c5d3cde0a54e10409ce0de096bc9ffaec18270c811457f4e57799