[INFO] updating cached repository https://github.com/tiziano88/shuttle-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ebcf6c49e129243664283ab1fcc0ac8c6c39bdae
[INFO] testing tiziano88/shuttle-rs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fshuttle-rs" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tiziano88/shuttle-rs on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tiziano88/shuttle-rs
[INFO] finished tweaking git repo https://github.com/tiziano88/shuttle-rs
[INFO] tweaked toml for git repo https://github.com/tiziano88/shuttle-rs written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tiziano88/shuttle-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 2810f1eb249f901794e1ea83e05ffc5a84104dce6eb982e937adec53a77a55d3
[INFO] running `"docker" "start" "-a" "2810f1eb249f901794e1ea83e05ffc5a84104dce6eb982e937adec53a77a55d3"`
[INFO] [stderr]    Compiling cc v1.0.7
[INFO] [stderr]    Compiling serde v1.0.32
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling chan v0.1.21
[INFO] [stderr]    Compiling serde_derive_internals v0.20.1
[INFO] [stderr]    Compiling libudev v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.32
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling wheel v0.1.0 (/opt/rustwide/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 9.86s
[INFO] running `"docker" "inspect" "2810f1eb249f901794e1ea83e05ffc5a84104dce6eb982e937adec53a77a55d3"`
[INFO] running `"docker" "rm" "-f" "2810f1eb249f901794e1ea83e05ffc5a84104dce6eb982e937adec53a77a55d3"`
[INFO] [stdout] 2810f1eb249f901794e1ea83e05ffc5a84104dce6eb982e937adec53a77a55d3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2e5cf01e0cf21379260896fa9956f975edd12bf42b3523892952ac3863bdf857
[INFO] running `"docker" "start" "-a" "2e5cf01e0cf21379260896fa9956f975edd12bf42b3523892952ac3863bdf857"`
[INFO] [stderr]    Compiling wheel v0.1.0 (/opt/rustwide/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 1.33s
[INFO] running `"docker" "inspect" "2e5cf01e0cf21379260896fa9956f975edd12bf42b3523892952ac3863bdf857"`
[INFO] running `"docker" "rm" "-f" "2e5cf01e0cf21379260896fa9956f975edd12bf42b3523892952ac3863bdf857"`
[INFO] [stdout] 2e5cf01e0cf21379260896fa9956f975edd12bf42b3523892952ac3863bdf857
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 196b49b0b8e137c8a44c41b03826b548bcbdbb446f95e5efea587747309343eb
[INFO] running `"docker" "start" "-a" "196b49b0b8e137c8a44c41b03826b548bcbdbb446f95e5efea587747309343eb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wheel-ee9e816a6b83c23d
[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" "196b49b0b8e137c8a44c41b03826b548bcbdbb446f95e5efea587747309343eb"`
[INFO] running `"docker" "rm" "-f" "196b49b0b8e137c8a44c41b03826b548bcbdbb446f95e5efea587747309343eb"`
[INFO] [stdout] 196b49b0b8e137c8a44c41b03826b548bcbdbb446f95e5efea587747309343eb