Dec 02 20:37:41.627 INFO testing relay-mono-0.1.0 against master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61 for beta-1.31-5
Dec 02 20:37:41.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-5/master#8940af3cea4a9a9deabcaf843b2f8cad9a83fc61:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +8940af3cea4a9a9deabcaf843b2f8cad9a83fc61-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 20:37:41.827 INFO [stdout] c1486d7866d544b7a2819959488bc484bd7e91a3fe47d04123050b04e722f94f
Dec 02 20:37:41.829 INFO running `"docker" "start" "-a" "c1486d7866d544b7a2819959488bc484bd7e91a3fe47d04123050b04e722f94f"`
Dec 02 20:37:42.176 INFO [stderr] usermod: no changes
Dec 02 20:37:42.200 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 02 20:37:42.200 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 02 20:37:42.200 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 02 20:37:42.200 INFO [stderr] files will be included as a binary target:
Dec 02 20:37:42.200 INFO [stderr] 
Dec 02 20:37:42.200 INFO [stderr] * /source/src/main.rs
Dec 02 20:37:42.200 INFO [stderr] 
Dec 02 20:37:42.200 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 02 20:37:42.200 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 02 20:37:42.200 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 02 20:37:42.200 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 02 20:37:42.200 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 02 20:37:42.200 INFO [stderr] 
Dec 02 20:37:42.200 INFO [stderr] For more information on this warning you can consult
Dec 02 20:37:42.200 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 02 20:37:42.200 INFO [stderr] warning: path `/source/src/main.rs` was erroneously implicitly accepted for binary `tessel-relay`,
Dec 02 20:37:42.200 INFO [stderr] please set bin.path in Cargo.toml
Dec 02 20:37:42.217 INFO [stderr]    Compiling relay-mono v0.1.0 (/source)
Dec 02 20:37:42.876 INFO [stderr] warning: unused import: `std::thread`
Dec 02 20:37:42.876 INFO [stderr]  --> src/lib.rs:6:5
Dec 02 20:37:42.876 INFO [stderr]   |
Dec 02 20:37:42.876 INFO [stderr] 6 | use std::thread;
Dec 02 20:37:42.876 INFO [stderr]   |     ^^^^^^^^^^^
Dec 02 20:37:42.876 INFO [stderr]   |
Dec 02 20:37:42.876 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 02 20:37:42.876 INFO [stderr] 
Dec 02 20:37:42.876 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 02 20:37:42.876 INFO [stderr]  --> src/lib.rs:7:5
Dec 02 20:37:42.876 INFO [stderr]   |
Dec 02 20:37:42.876 INFO [stderr] 7 | use std::time::Duration;
Dec 02 20:37:42.876 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 02 20:37:42.876 INFO [stderr] 
Dec 02 20:37:42.876 INFO [stderr] warning: unused import: `std::ops::Range`
Dec 02 20:37:42.876 INFO [stderr]  --> src/lib.rs:8:5
Dec 02 20:37:42.876 INFO [stderr]   |
Dec 02 20:37:42.876 INFO [stderr] 8 | use std::ops::Range;
Dec 02 20:37:42.876 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 02 20:37:42.876 INFO [stderr] 
Dec 02 20:37:42.899 INFO [stderr] warning: unused variable: `i2c`
Dec 02 20:37:42.899 INFO [stderr]   --> src/lib.rs:19:14
Dec 02 20:37:42.899 INFO [stderr]    |
Dec 02 20:37:42.899 INFO [stderr] 19 |         let (i2c, gpio) = port.i2c();
Dec 02 20:37:42.899 INFO [stderr]    |              ^^^ help: consider using `_i2c` instead
Dec 02 20:37:42.899 INFO [stderr]    |
Dec 02 20:37:42.899 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 02 20:37:42.899 INFO [stderr] 
Dec 02 20:37:42.907 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 20:37:42.907 INFO [stderr]   --> src/lib.rs:32:9
Dec 02 20:37:42.907 INFO [stderr]    |
Dec 02 20:37:42.908 INFO [stderr] 32 |         self.pin1.output(false);
Dec 02 20:37:42.908 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:37:42.908 INFO [stderr]    |
Dec 02 20:37:42.908 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 02 20:37:42.908 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 20:37:42.908 INFO [stderr] 
Dec 02 20:37:42.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 20:37:42.908 INFO [stderr]   --> src/lib.rs:33:9
Dec 02 20:37:42.908 INFO [stderr]    |
Dec 02 20:37:42.908 INFO [stderr] 33 |         self.pin2.output(false);
Dec 02 20:37:42.908 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:37:42.908 INFO [stderr]    |
Dec 02 20:37:42.908 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 20:37:42.908 INFO [stderr] 
Dec 02 20:37:42.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 20:37:42.908 INFO [stderr]   --> src/lib.rs:40:13
Dec 02 20:37:42.908 INFO [stderr]    |
Dec 02 20:37:42.908 INFO [stderr] 40 |             self.pin1.output(value);
Dec 02 20:37:42.908 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:37:42.908 INFO [stderr]    |
Dec 02 20:37:42.908 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 20:37:42.908 INFO [stderr] 
Dec 02 20:37:42.908 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 02 20:37:42.908 INFO [stderr]   --> src/lib.rs:43:13
Dec 02 20:37:42.908 INFO [stderr]    |
Dec 02 20:37:42.908 INFO [stderr] 43 |             self.pin2.output(value);
Dec 02 20:37:42.908 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:37:42.908 INFO [stderr]    |
Dec 02 20:37:42.908 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 02 20:37:42.908 INFO [stderr] 
Dec 02 20:37:43.591 INFO [stderr] error[E0554]: #![feature] may not be used on the beta release channel
Dec 02 20:37:43.591 INFO [stderr]  --> src/main.rs:1:1
Dec 02 20:37:43.591 INFO [stderr]   |
Dec 02 20:37:43.591 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 02 20:37:43.591 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 20:37:43.591 INFO [stderr] 
Dec 02 20:37:43.591 INFO [stderr] error: aborting due to previous error
Dec 02 20:37:43.591 INFO [stderr] 
Dec 02 20:37:43.591 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 20:37:43.596 INFO [stderr] error: Could not compile `relay-mono`.
Dec 02 20:37:43.596 INFO [stderr] 
Dec 02 20:37:43.596 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 20:37:43.597 INFO [stderr] su: No module specific data is present
Dec 02 20:37:43.842 INFO running `"docker" "inspect" "c1486d7866d544b7a2819959488bc484bd7e91a3fe47d04123050b04e722f94f"`
Dec 02 20:37:43.936 INFO running `"docker" "rm" "-f" "c1486d7866d544b7a2819959488bc484bd7e91a3fe47d04123050b04e722f94f"`
Dec 02 20:37:44.037 INFO [stdout] c1486d7866d544b7a2819959488bc484bd7e91a3fe47d04123050b04e722f94f