Nov 10 07:45:40.850 INFO checking comacro-0.0.1 against try#dc13be39fae8d4c607889b27de374b52586485a3 for pr-55632
Nov 10 07:45:40.852 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55632/worker-1/try#dc13be39fae8d4c607889b27de374b52586485a3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55632/try#dc13be39fae8d4c607889b27de374b52586485a3:/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 +dc13be39fae8d4c607889b27de374b52586485a3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 10 07:45:41.363 INFO blam! f2542453c53438c96c9ebf543615840b21d79d5d64fd182d5ec676cb83ee25b9
Nov 10 07:45:41.375 INFO running `"docker" "start" "-a" "f2542453c53438c96c9ebf543615840b21d79d5d64fd182d5ec676cb83ee25b9"`
Nov 10 07:45:42.344 INFO kablam! usermod: no changes
Nov 10 07:45:42.527 INFO kablam!     Checking log v0.4.6
Nov 10 07:45:42.527 INFO kablam!     Checking syn v0.15.18
Nov 10 07:45:44.143 INFO kablam!     Checking env_logger v0.5.13
Nov 10 07:45:52.379 INFO kablam!     Checking comacro v0.0.1 (/source)
Nov 10 07:45:57.685 INFO kablam! warning: unnecessary parentheses around pattern
Nov 10 07:45:57.685 INFO kablam!   --> src/trace.rs:84:21
Nov 10 07:45:57.685 INFO kablam!    |
Nov 10 07:45:57.694 INFO kablam! 84 |                 let ((&x, rest)) = rest.split_first().unwrap();
Nov 10 07:45:57.711 INFO kablam!    |                     ^^^^^^^^^^^^ help: remove these parentheses
Nov 10 07:45:57.711 INFO kablam!    |
Nov 10 07:45:57.711 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 10 07:45:57.711 INFO kablam! 
Nov 10 07:45:58.207 INFO kablam! warning: unused variable: `x`
Nov 10 07:45:58.207 INFO kablam!    --> src/repr.rs:270:29
Nov 10 07:45:58.207 INFO kablam!     |
Nov 10 07:45:58.207 INFO kablam! 270 |     fn push_byte(&mut self, x: u8) {}
Nov 10 07:45:58.207 INFO kablam!     |                             ^ help: consider using `_x` instead
Nov 10 07:45:58.208 INFO kablam!     |
Nov 10 07:45:58.208 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 10 07:45:58.208 INFO kablam! 
Nov 10 07:45:58.215 INFO kablam! warning: unused variable: `x`
Nov 10 07:45:58.215 INFO kablam!    --> src/repr.rs:271:32
Nov 10 07:45:58.216 INFO kablam!     |
Nov 10 07:45:58.216 INFO kablam! 271 |     fn extend_bytes(&mut self, x: &[u8]) {}
Nov 10 07:45:58.216 INFO kablam!     |                                ^ help: consider using `_x` instead
Nov 10 07:45:58.216 INFO kablam! 
Nov 10 07:45:58.483 INFO kablam! warning: variant is never constructed: `Cont`
Nov 10 07:45:58.483 INFO kablam!   --> src/tokens.rs:18:5
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam! 18 |     Cont,
Nov 10 07:45:58.483 INFO kablam!    |     ^^^^
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 10 07:45:58.483 INFO kablam! 
Nov 10 07:45:58.483 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.483 INFO kablam!   --> src/repr.rs:41:9
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam! 41 |         write!(self.buf, "${}", x);
Nov 10 07:45:58.483 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 10 07:45:58.483 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.483 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.483 INFO kablam! 
Nov 10 07:45:58.483 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.483 INFO kablam!   --> src/repr.rs:47:9
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam! 47 |         write!(self.buf, "{}", s);
Nov 10 07:45:58.483 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.483 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.483 INFO kablam! 
Nov 10 07:45:58.483 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.483 INFO kablam!   --> src/repr.rs:53:9
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam! 53 |         write!(self.buf, "{}", s);
Nov 10 07:45:58.483 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.483 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.483 INFO kablam! 
Nov 10 07:45:58.483 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.483 INFO kablam!   --> src/repr.rs:59:9
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam! 59 |         write!(self.buf, "{}{{", s);
Nov 10 07:45:58.483 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.483 INFO kablam!    |
Nov 10 07:45:58.483 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.483 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.483 INFO kablam! 
Nov 10 07:45:58.491 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.491 INFO kablam!   --> src/repr.rs:65:9
Nov 10 07:45:58.491 INFO kablam!    |
Nov 10 07:45:58.491 INFO kablam! 65 |         write!(self.buf, "}}");
Nov 10 07:45:58.491 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.491 INFO kablam!    |
Nov 10 07:45:58.491 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.491 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.491 INFO kablam! 
Nov 10 07:45:58.491 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.491 INFO kablam!   --> src/repr.rs:71:13
Nov 10 07:45:58.491 INFO kablam!    |
Nov 10 07:45:58.491 INFO kablam! 71 |             write!(self.buf, "\n");
Nov 10 07:45:58.491 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.491 INFO kablam!    |
Nov 10 07:45:58.491 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.491 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.491 INFO kablam! 
Nov 10 07:45:58.491 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.491 INFO kablam!   --> src/repr.rs:90:9
Nov 10 07:45:58.491 INFO kablam!    |
Nov 10 07:45:58.491 INFO kablam! 90 |         write!(buf, "[");
Nov 10 07:45:58.491 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.491 INFO kablam!    |
Nov 10 07:45:58.491 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.491 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.491 INFO kablam! 
Nov 10 07:45:58.491 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.491 INFO kablam!    --> src/repr.rs:113:13
Nov 10 07:45:58.491 INFO kablam!     |
Nov 10 07:45:58.491 INFO kablam! 113 |             write!(self.buf, "]");
Nov 10 07:45:58.491 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.491 INFO kablam!     |
Nov 10 07:45:58.491 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.491 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.491 INFO kablam! 
Nov 10 07:45:58.491 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.491 INFO kablam!    --> src/repr.rs:120:9
Nov 10 07:45:58.491 INFO kablam!     |
Nov 10 07:45:58.491 INFO kablam! 120 |         write!(self.buf, "\"${}\"", x);
Nov 10 07:45:58.491 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.491 INFO kablam!     |
Nov 10 07:45:58.491 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.491 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.491 INFO kablam! 
Nov 10 07:45:58.491 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.492 INFO kablam!    --> src/repr.rs:126:9
Nov 10 07:45:58.492 INFO kablam!     |
Nov 10 07:45:58.492 INFO kablam! 126 |         write!(self.buf, "{}", s);
Nov 10 07:45:58.492 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.492 INFO kablam!     |
Nov 10 07:45:58.492 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.492 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.492 INFO kablam! 
Nov 10 07:45:58.492 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.492 INFO kablam!    --> src/repr.rs:132:9
Nov 10 07:45:58.492 INFO kablam!     |
Nov 10 07:45:58.492 INFO kablam! 132 |         write!(self.buf, "\"{}\"", s);
Nov 10 07:45:58.492 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.492 INFO kablam!     |
Nov 10 07:45:58.492 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.492 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.492 INFO kablam! 
Nov 10 07:45:58.492 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.492 INFO kablam!    --> src/repr.rs:138:9
Nov 10 07:45:58.492 INFO kablam!     |
Nov 10 07:45:58.492 INFO kablam! 138 |         write!(self.buf, "[\"{}\"", s);
Nov 10 07:45:58.492 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.492 INFO kablam!     |
Nov 10 07:45:58.492 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.492 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.492 INFO kablam! 
Nov 10 07:45:58.492 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:58.492 INFO kablam!    --> src/repr.rs:143:9
Nov 10 07:45:58.492 INFO kablam!     |
Nov 10 07:45:58.492 INFO kablam! 143 |         write!(self.buf, "]");
Nov 10 07:45:58.492 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:58.492 INFO kablam!     |
Nov 10 07:45:58.492 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:58.492 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:58.492 INFO kablam! 
Nov 10 07:45:59.059 INFO kablam! warning: unnecessary parentheses around pattern
Nov 10 07:45:59.059 INFO kablam!   --> src/trace.rs:84:21
Nov 10 07:45:59.059 INFO kablam!    |
Nov 10 07:45:59.059 INFO kablam! 84 |                 let ((&x, rest)) = rest.split_first().unwrap();
Nov 10 07:45:59.059 INFO kablam!    |                     ^^^^^^^^^^^^ help: remove these parentheses
Nov 10 07:45:59.059 INFO kablam!    |
Nov 10 07:45:59.059 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 10 07:45:59.059 INFO kablam! 
Nov 10 07:45:59.411 INFO kablam! warning: unused variable: `x`
Nov 10 07:45:59.411 INFO kablam!    --> src/repr.rs:270:29
Nov 10 07:45:59.411 INFO kablam!     |
Nov 10 07:45:59.411 INFO kablam! 270 |     fn push_byte(&mut self, x: u8) {}
Nov 10 07:45:59.411 INFO kablam!     |                             ^ help: consider using `_x` instead
Nov 10 07:45:59.411 INFO kablam!     |
Nov 10 07:45:59.411 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 10 07:45:59.411 INFO kablam! 
Nov 10 07:45:59.411 INFO kablam! warning: unused variable: `x`
Nov 10 07:45:59.411 INFO kablam!    --> src/repr.rs:271:32
Nov 10 07:45:59.411 INFO kablam!     |
Nov 10 07:45:59.411 INFO kablam! 271 |     fn extend_bytes(&mut self, x: &[u8]) {}
Nov 10 07:45:59.411 INFO kablam!     |                                ^ help: consider using `_x` instead
Nov 10 07:45:59.411 INFO kablam! 
Nov 10 07:45:59.595 INFO kablam! warning: variant is never constructed: `Cont`
Nov 10 07:45:59.595 INFO kablam!   --> src/tokens.rs:18:5
Nov 10 07:45:59.595 INFO kablam!    |
Nov 10 07:45:59.595 INFO kablam! 18 |     Cont,
Nov 10 07:45:59.595 INFO kablam!    |     ^^^^
Nov 10 07:45:59.595 INFO kablam!    |
Nov 10 07:45:59.595 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 10 07:45:59.595 INFO kablam! 
Nov 10 07:45:59.595 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.595 INFO kablam!   --> src/repr.rs:41:9
Nov 10 07:45:59.595 INFO kablam!    |
Nov 10 07:45:59.595 INFO kablam! 41 |         write!(self.buf, "${}", x);
Nov 10 07:45:59.595 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.595 INFO kablam!    |
Nov 10 07:45:59.595 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 10 07:45:59.595 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.595 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.595 INFO kablam! 
Nov 10 07:45:59.595 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.595 INFO kablam!   --> src/repr.rs:47:9
Nov 10 07:45:59.595 INFO kablam!    |
Nov 10 07:45:59.595 INFO kablam! 47 |         write!(self.buf, "{}", s);
Nov 10 07:45:59.595 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.595 INFO kablam!    |
Nov 10 07:45:59.595 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.595 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!   --> src/repr.rs:53:9
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam! 53 |         write!(self.buf, "{}", s);
Nov 10 07:45:59.596 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!   --> src/repr.rs:59:9
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam! 59 |         write!(self.buf, "{}{{", s);
Nov 10 07:45:59.596 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!   --> src/repr.rs:65:9
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam! 65 |         write!(self.buf, "}}");
Nov 10 07:45:59.596 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!   --> src/repr.rs:71:13
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam! 71 |             write!(self.buf, "\n");
Nov 10 07:45:59.596 INFO kablam!    |             ^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!   --> src/repr.rs:90:9
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam! 90 |         write!(buf, "[");
Nov 10 07:45:59.596 INFO kablam!    |         ^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!    |
Nov 10 07:45:59.596 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!    --> src/repr.rs:113:13
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam! 113 |             write!(self.buf, "]");
Nov 10 07:45:59.596 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!    --> src/repr.rs:120:9
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam! 120 |         write!(self.buf, "\"${}\"", x);
Nov 10 07:45:59.596 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!    --> src/repr.rs:126:9
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam! 126 |         write!(self.buf, "{}", s);
Nov 10 07:45:59.596 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!    --> src/repr.rs:132:9
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam! 132 |         write!(self.buf, "\"{}\"", s);
Nov 10 07:45:59.596 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.596 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.596 INFO kablam! 
Nov 10 07:45:59.596 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.596 INFO kablam!    --> src/repr.rs:138:9
Nov 10 07:45:59.596 INFO kablam!     |
Nov 10 07:45:59.596 INFO kablam! 138 |         write!(self.buf, "[\"{}\"", s);
Nov 10 07:45:59.597 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.597 INFO kablam!     |
Nov 10 07:45:59.597 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.597 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.597 INFO kablam! 
Nov 10 07:45:59.597 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 10 07:45:59.597 INFO kablam!    --> src/repr.rs:143:9
Nov 10 07:45:59.597 INFO kablam!     |
Nov 10 07:45:59.597 INFO kablam! 143 |         write!(self.buf, "]");
Nov 10 07:45:59.597 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Nov 10 07:45:59.597 INFO kablam!     |
Nov 10 07:45:59.597 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Nov 10 07:45:59.597 INFO kablam!     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Nov 10 07:45:59.597 INFO kablam! 
Nov 10 07:46:04.461 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 22.10s
Nov 10 07:46:04.471 INFO kablam! su: No module specific data is present
Nov 10 07:46:05.327 INFO running `"docker" "rm" "-f" "f2542453c53438c96c9ebf543615840b21d79d5d64fd182d5ec676cb83ee25b9"`
Nov 10 07:46:05.659 INFO blam! f2542453c53438c96c9ebf543615840b21d79d5d64fd182d5ec676cb83ee25b9