[INFO] updating cached repository RSAkidinUSA/rusty
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/RSAkidinUSA/rusty
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/RSAkidinUSA/rusty" "work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/RSAkidinUSA/rusty" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 161f93885e4b862cc3b366c94b079baef15da69e
[INFO] sha for GitHub repo RSAkidinUSA/rusty: 161f93885e4b862cc3b366c94b079baef15da69e
[INFO] validating manifest of RSAkidinUSA/rusty 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 RSAkidinUSA/rusty 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 RSAkidinUSA/rusty
[INFO] finished frobbing RSAkidinUSA/rusty
[INFO] frobbed toml for RSAkidinUSA/rusty written to work/ex/beta-1.38-1/sources/1.37.0/gh/RSAkidinUSA/rusty/Cargo.toml
[INFO] started frobbing RSAkidinUSA/rusty
[INFO] finished frobbing RSAkidinUSA/rusty
[INFO] frobbed toml for RSAkidinUSA/rusty written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty/Cargo.toml
[INFO] crate RSAkidinUSA/rusty 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing RSAkidinUSA/rusty against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 26e449d6741b06be6e0559ea579afa7e819c1b2c9eb6fd6118593e23583d8bcd
[INFO] running `"docker" "start" "-a" "26e449d6741b06be6e0559ea579afa7e819c1b2c9eb6fd6118593e23583d8bcd"`
[INFO] [stderr]    Compiling rusty v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             yes.trim();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "26e449d6741b06be6e0559ea579afa7e819c1b2c9eb6fd6118593e23583d8bcd"`
[INFO] running `"docker" "rm" "-f" "26e449d6741b06be6e0559ea579afa7e819c1b2c9eb6fd6118593e23583d8bcd"`
[INFO] [stdout] 26e449d6741b06be6e0559ea579afa7e819c1b2c9eb6fd6118593e23583d8bcd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9929b5eb2a7ffb87d3d7c8cfc253c6de10b5359cec9307f6931daa4be3eccc77
[INFO] running `"docker" "start" "-a" "9929b5eb2a7ffb87d3d7c8cfc253c6de10b5359cec9307f6931daa4be3eccc77"`
[INFO] [stderr]    Compiling rusty v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused return value of `core::str::<impl str>::trim` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             yes.trim();
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the trimmed string as a slice, without modifying the original
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "9929b5eb2a7ffb87d3d7c8cfc253c6de10b5359cec9307f6931daa4be3eccc77"`
[INFO] running `"docker" "rm" "-f" "9929b5eb2a7ffb87d3d7c8cfc253c6de10b5359cec9307f6931daa4be3eccc77"`
[INFO] [stdout] 9929b5eb2a7ffb87d3d7c8cfc253c6de10b5359cec9307f6931daa4be3eccc77
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/RSAkidinUSA/rusty:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5ec6c87084dfd6e95b12b69cc0bcde2011c8d58e160006d5fd7b6eb69ef3e293
[INFO] running `"docker" "start" "-a" "5ec6c87084dfd6e95b12b69cc0bcde2011c8d58e160006d5fd7b6eb69ef3e293"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty-2735bafec4d0bacb
[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" "5ec6c87084dfd6e95b12b69cc0bcde2011c8d58e160006d5fd7b6eb69ef3e293"`
[INFO] running `"docker" "rm" "-f" "5ec6c87084dfd6e95b12b69cc0bcde2011c8d58e160006d5fd7b6eb69ef3e293"`
[INFO] [stdout] 5ec6c87084dfd6e95b12b69cc0bcde2011c8d58e160006d5fd7b6eb69ef3e293