[INFO] updating cached repository tiziano88/shuttle-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tiziano88/shuttle-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/shuttle-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/tiziano88/shuttle-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tiziano88/shuttle-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tiziano88/shuttle-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tiziano88/shuttle-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tiziano88/shuttle-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebcf6c49e129243664283ab1fcc0ac8c6c39bdae
[INFO] sha for GitHub repo tiziano88/shuttle-rs: ebcf6c49e129243664283ab1fcc0ac8c6c39bdae
[INFO] validating manifest of tiziano88/shuttle-rs 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 tiziano88/shuttle-rs 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 tiziano88/shuttle-rs
[INFO] finished frobbing tiziano88/shuttle-rs
[INFO] frobbed toml for tiziano88/shuttle-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/tiziano88/shuttle-rs/Cargo.toml
[INFO] started frobbing tiziano88/shuttle-rs
[INFO] finished frobbing tiziano88/shuttle-rs
[INFO] frobbed toml for tiziano88/shuttle-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tiziano88/shuttle-rs/Cargo.toml
[INFO] crate tiziano88/shuttle-rs 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 tiziano88/shuttle-rs against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tiziano88/shuttle-rs:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 72e2ebc9398a7a44b82f8df45380eec7d9bc9c623ebf955ac7342e9932290f0f
[INFO] running `"docker" "start" "-a" "72e2ebc9398a7a44b82f8df45380eec7d9bc9c623ebf955ac7342e9932290f0f"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling wheel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:150:16
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let home = std::env::home_dir().unwrap();
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:135:37
[INFO] [stderr]     |
[INFO] [stderr] 135 |                                     exec(a);
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.67s
[INFO] running `"docker" "inspect" "72e2ebc9398a7a44b82f8df45380eec7d9bc9c623ebf955ac7342e9932290f0f"`
[INFO] running `"docker" "rm" "-f" "72e2ebc9398a7a44b82f8df45380eec7d9bc9c623ebf955ac7342e9932290f0f"`
[INFO] [stdout] 72e2ebc9398a7a44b82f8df45380eec7d9bc9c623ebf955ac7342e9932290f0f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tiziano88/shuttle-rs:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d46ad7f592e708918c3113ae8c091ce0d4e5322653b76ac2f31ede202873e48c
[INFO] running `"docker" "start" "-a" "d46ad7f592e708918c3113ae8c091ce0d4e5322653b76ac2f31ede202873e48c"`
[INFO] [stderr]    Compiling wheel v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/main.rs:150:16
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let home = std::env::home_dir().unwrap();
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:135:37
[INFO] [stderr]     |
[INFO] [stderr] 135 |                                     exec(a);
[INFO] [stderr]     |                                     ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `"docker" "inspect" "d46ad7f592e708918c3113ae8c091ce0d4e5322653b76ac2f31ede202873e48c"`
[INFO] running `"docker" "rm" "-f" "d46ad7f592e708918c3113ae8c091ce0d4e5322653b76ac2f31ede202873e48c"`
[INFO] [stdout] d46ad7f592e708918c3113ae8c091ce0d4e5322653b76ac2f31ede202873e48c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tiziano88/shuttle-rs:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ad860d8b78372090a76928a0762b5a9b415f04824aa9204943938862ae3ae08c
[INFO] running `"docker" "start" "-a" "ad860d8b78372090a76928a0762b5a9b415f04824aa9204943938862ae3ae08c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wheel-24951fd44ab36e35
[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" "ad860d8b78372090a76928a0762b5a9b415f04824aa9204943938862ae3ae08c"`
[INFO] running `"docker" "rm" "-f" "ad860d8b78372090a76928a0762b5a9b415f04824aa9204943938862ae3ae08c"`
[INFO] [stdout] ad860d8b78372090a76928a0762b5a9b415f04824aa9204943938862ae3ae08c