Dec 07 20:10:01.806 INFO testing comacro-0.0.1 against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 07 20:10:01.806 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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"`
Dec 07 20:10:02.280 INFO [stdout] 0a1a94a99a774688755f9257b81dc3e8978aea257238028eefd2226031857604
Dec 07 20:10:02.282 INFO running `"docker" "start" "-a" "0a1a94a99a774688755f9257b81dc3e8978aea257238028eefd2226031857604"`
Dec 07 20:10:03.565 INFO [stderr] usermod: no changes
Dec 07 20:10:03.675 INFO [stderr]    Compiling log v0.4.6
Dec 07 20:10:03.676 INFO [stderr]    Compiling syn v0.15.22
Dec 07 20:10:15.908 INFO [stderr]    Compiling comacro v0.0.1 (/source)
Dec 07 20:10:16.756 INFO [stderr] warning: unnecessary parentheses around pattern
Dec 07 20:10:16.761 INFO [stderr]   --> src/trace.rs:84:21
Dec 07 20:10:16.761 INFO [stderr]    |
Dec 07 20:10:16.761 INFO [stderr] 84 |                 let ((&x, rest)) = rest.split_first().unwrap();
Dec 07 20:10:16.761 INFO [stderr]    |                     ^^^^^^^^^^^^ help: remove these parentheses
Dec 07 20:10:16.761 INFO [stderr]    |
Dec 07 20:10:16.761 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 07 20:10:16.761 INFO [stderr] 
Dec 07 20:10:17.098 INFO [stderr] warning: unused variable: `x`
Dec 07 20:10:17.098 INFO [stderr]    --> src/repr.rs:270:29
Dec 07 20:10:17.098 INFO [stderr]     |
Dec 07 20:10:17.098 INFO [stderr] 270 |     fn push_byte(&mut self, x: u8) {}
Dec 07 20:10:17.101 INFO [stderr]     |                             ^ help: consider using `_x` instead
Dec 07 20:10:17.101 INFO [stderr]     |
Dec 07 20:10:17.101 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 07 20:10:17.101 INFO [stderr] 
Dec 07 20:10:17.101 INFO [stderr] warning: unused variable: `x`
Dec 07 20:10:17.101 INFO [stderr]    --> src/repr.rs:271:32
Dec 07 20:10:17.101 INFO [stderr]     |
Dec 07 20:10:17.101 INFO [stderr] 271 |     fn extend_bytes(&mut self, x: &[u8]) {}
Dec 07 20:10:17.101 INFO [stderr]     |                                ^ help: consider using `_x` instead
Dec 07 20:10:17.101 INFO [stderr] 
Dec 07 20:10:17.259 INFO [stderr] warning: variant is never constructed: `Cont`
Dec 07 20:10:17.259 INFO [stderr]   --> src/tokens.rs:18:5
Dec 07 20:10:17.259 INFO [stderr]    |
Dec 07 20:10:17.259 INFO [stderr] 18 |     Cont,
Dec 07 20:10:17.259 INFO [stderr]    |     ^^^^
Dec 07 20:10:17.259 INFO [stderr]    |
Dec 07 20:10:17.259 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 20:10:17.259 INFO [stderr] 
Dec 07 20:10:17.264 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.264 INFO [stderr]   --> src/repr.rs:41:9
Dec 07 20:10:17.264 INFO [stderr]    |
Dec 07 20:10:17.264 INFO [stderr] 41 |         write!(self.buf, "${}", x);
Dec 07 20:10:17.264 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.264 INFO [stderr]    |
Dec 07 20:10:17.264 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 20:10:17.264 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.264 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.264 INFO [stderr] 
Dec 07 20:10:17.264 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.264 INFO [stderr]   --> src/repr.rs:47:9
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr] 47 |         write!(self.buf, "{}", s);
Dec 07 20:10:17.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]   --> src/repr.rs:53:9
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr] 53 |         write!(self.buf, "{}", s);
Dec 07 20:10:17.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]   --> src/repr.rs:59:9
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr] 59 |         write!(self.buf, "{}{{", s);
Dec 07 20:10:17.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]   --> src/repr.rs:65:9
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr] 65 |         write!(self.buf, "}}");
Dec 07 20:10:17.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]   --> src/repr.rs:71:13
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr] 71 |             write!(self.buf, "\n");
Dec 07 20:10:17.265 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]   --> src/repr.rs:90:9
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr] 90 |         write!(buf, "[");
Dec 07 20:10:17.265 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]    |
Dec 07 20:10:17.265 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]    --> src/repr.rs:113:13
Dec 07 20:10:17.265 INFO [stderr]     |
Dec 07 20:10:17.265 INFO [stderr] 113 |             write!(self.buf, "]");
Dec 07 20:10:17.265 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]     |
Dec 07 20:10:17.265 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]    --> src/repr.rs:120:9
Dec 07 20:10:17.265 INFO [stderr]     |
Dec 07 20:10:17.265 INFO [stderr] 120 |         write!(self.buf, "\"${}\"", x);
Dec 07 20:10:17.265 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]     |
Dec 07 20:10:17.265 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]    --> src/repr.rs:126:9
Dec 07 20:10:17.265 INFO [stderr]     |
Dec 07 20:10:17.265 INFO [stderr] 126 |         write!(self.buf, "{}", s);
Dec 07 20:10:17.265 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]     |
Dec 07 20:10:17.265 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.265 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.265 INFO [stderr]    --> src/repr.rs:132:9
Dec 07 20:10:17.265 INFO [stderr]     |
Dec 07 20:10:17.265 INFO [stderr] 132 |         write!(self.buf, "\"{}\"", s);
Dec 07 20:10:17.265 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.265 INFO [stderr]     |
Dec 07 20:10:17.265 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.265 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.265 INFO [stderr] 
Dec 07 20:10:17.266 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.266 INFO [stderr]    --> src/repr.rs:138:9
Dec 07 20:10:17.266 INFO [stderr]     |
Dec 07 20:10:17.266 INFO [stderr] 138 |         write!(self.buf, "[\"{}\"", s);
Dec 07 20:10:17.266 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.266 INFO [stderr]     |
Dec 07 20:10:17.266 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.266 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.266 INFO [stderr] 
Dec 07 20:10:17.266 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:17.266 INFO [stderr]    --> src/repr.rs:143:9
Dec 07 20:10:17.266 INFO [stderr]     |
Dec 07 20:10:17.266 INFO [stderr] 143 |         write!(self.buf, "]");
Dec 07 20:10:17.266 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:17.266 INFO [stderr]     |
Dec 07 20:10:17.266 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:17.266 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:17.266 INFO [stderr] 
Dec 07 20:10:21.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.45s
Dec 07 20:10:21.016 INFO [stderr] su: No module specific data is present
Dec 07 20:10:21.744 INFO running `"docker" "inspect" "0a1a94a99a774688755f9257b81dc3e8978aea257238028eefd2226031857604"`
Dec 07 20:10:22.077 INFO running `"docker" "rm" "-f" "0a1a94a99a774688755f9257b81dc3e8978aea257238028eefd2226031857604"`
Dec 07 20:10:22.380 INFO [stdout] 0a1a94a99a774688755f9257b81dc3e8978aea257238028eefd2226031857604
Dec 07 20:10:22.382 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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"`
Dec 07 20:10:22.794 INFO [stdout] d264eec89517305b4b043b3aa4594d61c1672aaad855ad481f728b8e06e234d2
Dec 07 20:10:22.804 INFO running `"docker" "start" "-a" "d264eec89517305b4b043b3aa4594d61c1672aaad855ad481f728b8e06e234d2"`
Dec 07 20:10:23.884 INFO [stderr] usermod: no changes
Dec 07 20:10:23.991 INFO [stderr]    Compiling env_logger v0.5.13
Dec 07 20:10:26.310 INFO [stderr]    Compiling comacro v0.0.1 (/source)
Dec 07 20:10:27.376 INFO [stderr] warning: unnecessary parentheses around pattern
Dec 07 20:10:27.376 INFO [stderr]   --> src/trace.rs:84:21
Dec 07 20:10:27.376 INFO [stderr]    |
Dec 07 20:10:27.376 INFO [stderr] 84 |                 let ((&x, rest)) = rest.split_first().unwrap();
Dec 07 20:10:27.376 INFO [stderr]    |                     ^^^^^^^^^^^^ help: remove these parentheses
Dec 07 20:10:27.376 INFO [stderr]    |
Dec 07 20:10:27.376 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 07 20:10:27.376 INFO [stderr] 
Dec 07 20:10:27.728 INFO [stderr] warning: unused variable: `x`
Dec 07 20:10:27.728 INFO [stderr]    --> src/repr.rs:270:29
Dec 07 20:10:27.728 INFO [stderr]     |
Dec 07 20:10:27.728 INFO [stderr] 270 |     fn push_byte(&mut self, x: u8) {}
Dec 07 20:10:27.728 INFO [stderr]     |                             ^ help: consider using `_x` instead
Dec 07 20:10:27.728 INFO [stderr]     |
Dec 07 20:10:27.728 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 07 20:10:27.728 INFO [stderr] 
Dec 07 20:10:27.728 INFO [stderr] warning: unused variable: `x`
Dec 07 20:10:27.728 INFO [stderr]    --> src/repr.rs:271:32
Dec 07 20:10:27.728 INFO [stderr]     |
Dec 07 20:10:27.728 INFO [stderr] 271 |     fn extend_bytes(&mut self, x: &[u8]) {}
Dec 07 20:10:27.728 INFO [stderr]     |                                ^ help: consider using `_x` instead
Dec 07 20:10:27.728 INFO [stderr] 
Dec 07 20:10:27.848 INFO [stderr] warning: variant is never constructed: `Cont`
Dec 07 20:10:27.848 INFO [stderr]   --> src/tokens.rs:18:5
Dec 07 20:10:27.848 INFO [stderr]    |
Dec 07 20:10:27.848 INFO [stderr] 18 |     Cont,
Dec 07 20:10:27.848 INFO [stderr]    |     ^^^^
Dec 07 20:10:27.848 INFO [stderr]    |
Dec 07 20:10:27.848 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 20:10:27.849 INFO [stderr] 
Dec 07 20:10:27.850 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.850 INFO [stderr]   --> src/repr.rs:41:9
Dec 07 20:10:27.850 INFO [stderr]    |
Dec 07 20:10:27.850 INFO [stderr] 41 |         write!(self.buf, "${}", x);
Dec 07 20:10:27.850 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.850 INFO [stderr]    |
Dec 07 20:10:27.850 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 07 20:10:27.850 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.850 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.850 INFO [stderr] 
Dec 07 20:10:27.850 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.850 INFO [stderr]   --> src/repr.rs:47:9
Dec 07 20:10:27.850 INFO [stderr]    |
Dec 07 20:10:27.850 INFO [stderr] 47 |         write!(self.buf, "{}", s);
Dec 07 20:10:27.850 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.850 INFO [stderr]    |
Dec 07 20:10:27.850 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.851 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.851 INFO [stderr] 
Dec 07 20:10:27.851 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.851 INFO [stderr]   --> src/repr.rs:53:9
Dec 07 20:10:27.851 INFO [stderr]    |
Dec 07 20:10:27.851 INFO [stderr] 53 |         write!(self.buf, "{}", s);
Dec 07 20:10:27.851 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.851 INFO [stderr]    |
Dec 07 20:10:27.851 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.851 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.851 INFO [stderr] 
Dec 07 20:10:27.851 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.851 INFO [stderr]   --> src/repr.rs:59:9
Dec 07 20:10:27.851 INFO [stderr]    |
Dec 07 20:10:27.851 INFO [stderr] 59 |         write!(self.buf, "{}{{", s);
Dec 07 20:10:27.851 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.851 INFO [stderr]    |
Dec 07 20:10:27.851 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.851 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.851 INFO [stderr] 
Dec 07 20:10:27.851 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.851 INFO [stderr]   --> src/repr.rs:65:9
Dec 07 20:10:27.851 INFO [stderr]    |
Dec 07 20:10:27.851 INFO [stderr] 65 |         write!(self.buf, "}}");
Dec 07 20:10:27.851 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.851 INFO [stderr]    |
Dec 07 20:10:27.851 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.852 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.852 INFO [stderr] 
Dec 07 20:10:27.852 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.852 INFO [stderr]   --> src/repr.rs:71:13
Dec 07 20:10:27.852 INFO [stderr]    |
Dec 07 20:10:27.852 INFO [stderr] 71 |             write!(self.buf, "\n");
Dec 07 20:10:27.852 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.852 INFO [stderr]    |
Dec 07 20:10:27.852 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.852 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.852 INFO [stderr] 
Dec 07 20:10:27.852 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.852 INFO [stderr]   --> src/repr.rs:90:9
Dec 07 20:10:27.852 INFO [stderr]    |
Dec 07 20:10:27.852 INFO [stderr] 90 |         write!(buf, "[");
Dec 07 20:10:27.852 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.852 INFO [stderr]    |
Dec 07 20:10:27.852 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.852 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.852 INFO [stderr] 
Dec 07 20:10:27.852 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.853 INFO [stderr]    --> src/repr.rs:113:13
Dec 07 20:10:27.853 INFO [stderr]     |
Dec 07 20:10:27.853 INFO [stderr] 113 |             write!(self.buf, "]");
Dec 07 20:10:27.853 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.853 INFO [stderr]     |
Dec 07 20:10:27.853 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.853 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.853 INFO [stderr] 
Dec 07 20:10:27.853 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.853 INFO [stderr]    --> src/repr.rs:120:9
Dec 07 20:10:27.853 INFO [stderr]     |
Dec 07 20:10:27.853 INFO [stderr] 120 |         write!(self.buf, "\"${}\"", x);
Dec 07 20:10:27.853 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.853 INFO [stderr]     |
Dec 07 20:10:27.853 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.853 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.853 INFO [stderr] 
Dec 07 20:10:27.853 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.853 INFO [stderr]    --> src/repr.rs:126:9
Dec 07 20:10:27.853 INFO [stderr]     |
Dec 07 20:10:27.853 INFO [stderr] 126 |         write!(self.buf, "{}", s);
Dec 07 20:10:27.853 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.853 INFO [stderr]     |
Dec 07 20:10:27.853 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.853 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.853 INFO [stderr] 
Dec 07 20:10:27.853 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.855 INFO [stderr]    --> src/repr.rs:132:9
Dec 07 20:10:27.855 INFO [stderr]     |
Dec 07 20:10:27.855 INFO [stderr] 132 |         write!(self.buf, "\"{}\"", s);
Dec 07 20:10:27.855 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.855 INFO [stderr]     |
Dec 07 20:10:27.855 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.855 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.855 INFO [stderr] 
Dec 07 20:10:27.855 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.855 INFO [stderr]    --> src/repr.rs:138:9
Dec 07 20:10:27.855 INFO [stderr]     |
Dec 07 20:10:27.855 INFO [stderr] 138 |         write!(self.buf, "[\"{}\"", s);
Dec 07 20:10:27.855 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.855 INFO [stderr]     |
Dec 07 20:10:27.855 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.855 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.855 INFO [stderr] 
Dec 07 20:10:27.855 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 20:10:27.856 INFO [stderr]    --> src/repr.rs:143:9
Dec 07 20:10:27.856 INFO [stderr]     |
Dec 07 20:10:27.856 INFO [stderr] 143 |         write!(self.buf, "]");
Dec 07 20:10:27.856 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Dec 07 20:10:27.856 INFO [stderr]     |
Dec 07 20:10:27.856 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 20:10:27.856 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 07 20:10:27.856 INFO [stderr] 
Dec 07 20:10:29.973 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
Dec 07 20:10:29.979 INFO [stderr] su: No module specific data is present
Dec 07 20:10:30.620 INFO running `"docker" "inspect" "d264eec89517305b4b043b3aa4594d61c1672aaad855ad481f728b8e06e234d2"`
Dec 07 20:10:30.880 INFO running `"docker" "rm" "-f" "d264eec89517305b4b043b3aa4594d61c1672aaad855ad481f728b8e06e234d2"`
Dec 07 20:10:31.148 INFO [stdout] d264eec89517305b4b043b3aa4594d61c1672aaad855ad481f728b8e06e234d2
Dec 07 20:10:31.156 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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"`
Dec 07 20:10:31.574 INFO [stdout] 0a951594754064e3da11a41169b0b66c09a22d807ad977fad8c911800eae7824
Dec 07 20:10:31.576 INFO running `"docker" "start" "-a" "0a951594754064e3da11a41169b0b66c09a22d807ad977fad8c911800eae7824"`
Dec 07 20:10:32.708 INFO [stderr] usermod: no changes
Dec 07 20:10:32.804 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 07 20:10:32.804 INFO [stderr]      Running /target/debug/deps/comacro-27ef882ae5db66cc
Dec 07 20:10:32.808 INFO [stderr]    Doc-tests comacro
Dec 07 20:10:32.808 INFO [stdout] 
Dec 07 20:10:32.808 INFO [stdout] running 0 tests
Dec 07 20:10:32.808 INFO [stdout] 
Dec 07 20:10:32.808 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 20:10:32.808 INFO [stdout] 
Dec 07 20:10:34.243 INFO [stdout] 
Dec 07 20:10:34.243 INFO [stdout] running 0 tests
Dec 07 20:10:34.243 INFO [stdout] 
Dec 07 20:10:34.243 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 20:10:34.243 INFO [stdout] 
Dec 07 20:10:34.255 INFO [stderr] su: No module specific data is present
Dec 07 20:10:34.514 INFO running `"docker" "inspect" "0a951594754064e3da11a41169b0b66c09a22d807ad977fad8c911800eae7824"`
Dec 07 20:10:34.615 INFO running `"docker" "rm" "-f" "0a951594754064e3da11a41169b0b66c09a22d807ad977fad8c911800eae7824"`
Dec 07 20:10:34.771 INFO [stdout] 0a951594754064e3da11a41169b0b66c09a22d807ad977fad8c911800eae7824