Nov 18 17:24:24.360 INFO testing comacro-0.0.1 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 18 17:24:24.360 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 17:24:24.739 INFO [stdout] 6a26407d7bf55514cdb55f89dc45c7002252a4b102a9f4844be6b6a537c8e646
Nov 18 17:24:24.745 INFO running `"docker" "start" "-a" "6a26407d7bf55514cdb55f89dc45c7002252a4b102a9f4844be6b6a537c8e646"`
Nov 18 17:24:25.160 INFO [stderr] usermod: no changes
Nov 18 17:24:25.214 INFO [stderr]    Compiling log v0.4.6
Nov 18 17:24:25.214 INFO [stderr]    Compiling syn v0.15.21
Nov 18 17:24:39.261 INFO [stderr]    Compiling comacro v0.0.1 (/source)
Nov 18 17:24:42.627 INFO [stderr] warning: unnecessary parentheses around pattern
Nov 18 17:24:42.627 INFO [stderr]   --> src/trace.rs:84:21
Nov 18 17:24:42.627 INFO [stderr]    |
Nov 18 17:24:42.627 INFO [stderr] 84 |                 let ((&x, rest)) = rest.split_first().unwrap();
Nov 18 17:24:42.627 INFO [stderr]    |                     ^^^^^^^^^^^^ help: remove these parentheses
Nov 18 17:24:42.627 INFO [stderr]    |
Nov 18 17:24:42.627 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 18 17:24:42.627 INFO [stderr] 
Nov 18 17:24:43.015 INFO [stderr] warning: unused variable: `x`
Nov 18 17:24:43.023 INFO [stderr]    --> src/repr.rs:270:29
Nov 18 17:24:43.023 INFO [stderr]     |
Nov 18 17:24:43.023 INFO [stderr] 270 |     fn push_byte(&mut self, x: u8) {}
Nov 18 17:24:43.023 INFO [stderr]     |                             ^ help: consider using `_x` instead
Nov 18 17:24:43.023 INFO [stderr]     |
Nov 18 17:24:43.023 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 17:24:43.023 INFO [stderr] 
Nov 18 17:24:43.023 INFO [stderr] warning: unused variable: `x`
Nov 18 17:24:43.023 INFO [stderr]    --> src/repr.rs:271:32
Nov 18 17:24:43.023 INFO [stderr]     |
Nov 18 17:24:43.023 INFO [stderr] 271 |     fn extend_bytes(&mut self, x: &[u8]) {}
Nov 18 17:24:43.023 INFO [stderr]     |                                ^ help: consider using `_x` instead
Nov 18 17:24:43.023 INFO [stderr] 
Nov 18 17:24:43.187 INFO [stderr] warning: variant is never constructed: `Cont`
Nov 18 17:24:43.188 INFO [stderr]   --> src/tokens.rs:18:5
Nov 18 17:24:43.188 INFO [stderr]    |
Nov 18 17:24:43.188 INFO [stderr] 18 |     Cont,
Nov 18 17:24:43.188 INFO [stderr]    |     ^^^^
Nov 18 17:24:43.188 INFO [stderr]    |
Nov 18 17:24:43.188 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 17:24:43.188 INFO [stderr] 
Nov 18 17:24:43.190 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.191 INFO [stderr]   --> src/repr.rs:41:9
Nov 18 17:24:43.191 INFO [stderr]    |
Nov 18 17:24:43.192 INFO [stderr] 41 |         write!(self.buf, "${}", x);
Nov 18 17:24:43.192 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.193 INFO [stderr]    |
Nov 18 17:24:43.193 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 17:24:43.194 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.194 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)
Nov 18 17:24:43.195 INFO [stderr] 
Nov 18 17:24:43.195 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.196 INFO [stderr]   --> src/repr.rs:47:9
Nov 18 17:24:43.196 INFO [stderr]    |
Nov 18 17:24:43.196 INFO [stderr] 47 |         write!(self.buf, "{}", s);
Nov 18 17:24:43.196 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.197 INFO [stderr]    |
Nov 18 17:24:43.197 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.197 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)
Nov 18 17:24:43.198 INFO [stderr] 
Nov 18 17:24:43.199 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.199 INFO [stderr]   --> src/repr.rs:53:9
Nov 18 17:24:43.199 INFO [stderr]    |
Nov 18 17:24:43.200 INFO [stderr] 53 |         write!(self.buf, "{}", s);
Nov 18 17:24:43.200 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.200 INFO [stderr]    |
Nov 18 17:24:43.200 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.201 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)
Nov 18 17:24:43.201 INFO [stderr] 
Nov 18 17:24:43.201 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.201 INFO [stderr]   --> src/repr.rs:59:9
Nov 18 17:24:43.202 INFO [stderr]    |
Nov 18 17:24:43.202 INFO [stderr] 59 |         write!(self.buf, "{}{{", s);
Nov 18 17:24:43.202 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.203 INFO [stderr]    |
Nov 18 17:24:43.203 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.203 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)
Nov 18 17:24:43.203 INFO [stderr] 
Nov 18 17:24:43.204 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.204 INFO [stderr]   --> src/repr.rs:65:9
Nov 18 17:24:43.204 INFO [stderr]    |
Nov 18 17:24:43.205 INFO [stderr] 65 |         write!(self.buf, "}}");
Nov 18 17:24:43.205 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.205 INFO [stderr]    |
Nov 18 17:24:43.205 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.206 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)
Nov 18 17:24:43.206 INFO [stderr] 
Nov 18 17:24:43.206 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.206 INFO [stderr]   --> src/repr.rs:71:13
Nov 18 17:24:43.207 INFO [stderr]    |
Nov 18 17:24:43.207 INFO [stderr] 71 |             write!(self.buf, "\n");
Nov 18 17:24:43.207 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.208 INFO [stderr]    |
Nov 18 17:24:43.208 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.215 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)
Nov 18 17:24:43.216 INFO [stderr] 
Nov 18 17:24:43.216 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.216 INFO [stderr]   --> src/repr.rs:90:9
Nov 18 17:24:43.216 INFO [stderr]    |
Nov 18 17:24:43.217 INFO [stderr] 90 |         write!(buf, "[");
Nov 18 17:24:43.217 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.217 INFO [stderr]    |
Nov 18 17:24:43.218 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.218 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)
Nov 18 17:24:43.218 INFO [stderr] 
Nov 18 17:24:43.219 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.219 INFO [stderr]    --> src/repr.rs:113:13
Nov 18 17:24:43.219 INFO [stderr]     |
Nov 18 17:24:43.219 INFO [stderr] 113 |             write!(self.buf, "]");
Nov 18 17:24:43.220 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.220 INFO [stderr]     |
Nov 18 17:24:43.220 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.221 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)
Nov 18 17:24:43.221 INFO [stderr] 
Nov 18 17:24:43.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.221 INFO [stderr]    --> src/repr.rs:120:9
Nov 18 17:24:43.222 INFO [stderr]     |
Nov 18 17:24:43.222 INFO [stderr] 120 |         write!(self.buf, "\"${}\"", x);
Nov 18 17:24:43.222 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.223 INFO [stderr]     |
Nov 18 17:24:43.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.223 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)
Nov 18 17:24:43.224 INFO [stderr] 
Nov 18 17:24:43.224 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.224 INFO [stderr]    --> src/repr.rs:126:9
Nov 18 17:24:43.224 INFO [stderr]     |
Nov 18 17:24:43.225 INFO [stderr] 126 |         write!(self.buf, "{}", s);
Nov 18 17:24:43.225 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.225 INFO [stderr]     |
Nov 18 17:24:43.226 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.226 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)
Nov 18 17:24:43.226 INFO [stderr] 
Nov 18 17:24:43.226 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.227 INFO [stderr]    --> src/repr.rs:132:9
Nov 18 17:24:43.227 INFO [stderr]     |
Nov 18 17:24:43.227 INFO [stderr] 132 |         write!(self.buf, "\"{}\"", s);
Nov 18 17:24:43.228 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.228 INFO [stderr]     |
Nov 18 17:24:43.228 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.228 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)
Nov 18 17:24:43.229 INFO [stderr] 
Nov 18 17:24:43.229 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.229 INFO [stderr]    --> src/repr.rs:138:9
Nov 18 17:24:43.230 INFO [stderr]     |
Nov 18 17:24:43.230 INFO [stderr] 138 |         write!(self.buf, "[\"{}\"", s);
Nov 18 17:24:43.230 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.231 INFO [stderr]     |
Nov 18 17:24:43.231 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.231 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)
Nov 18 17:24:43.231 INFO [stderr] 
Nov 18 17:24:43.232 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:24:43.232 INFO [stderr]    --> src/repr.rs:143:9
Nov 18 17:24:43.232 INFO [stderr]     |
Nov 18 17:24:43.233 INFO [stderr] 143 |         write!(self.buf, "]");
Nov 18 17:24:43.233 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:24:43.233 INFO [stderr]     |
Nov 18 17:24:43.234 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:24:43.234 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)
Nov 18 17:24:43.234 INFO [stderr] 
Nov 18 17:24:48.480 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.30s
Nov 18 17:24:48.486 INFO [stderr] su: No module specific data is present
Nov 18 17:24:49.752 INFO running `"docker" "inspect" "6a26407d7bf55514cdb55f89dc45c7002252a4b102a9f4844be6b6a537c8e646"`
Nov 18 17:24:50.121 INFO running `"docker" "rm" "-f" "6a26407d7bf55514cdb55f89dc45c7002252a4b102a9f4844be6b6a537c8e646"`
Nov 18 17:24:50.555 INFO [stdout] 6a26407d7bf55514cdb55f89dc45c7002252a4b102a9f4844be6b6a537c8e646
Nov 18 17:24:50.559 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 17:24:51.119 INFO [stdout] 778e5d4c33c997f5cab891b04bb9fee45a6ab9d696ea033d6bafe7e77a3dd35f
Nov 18 17:24:51.127 INFO running `"docker" "start" "-a" "778e5d4c33c997f5cab891b04bb9fee45a6ab9d696ea033d6bafe7e77a3dd35f"`
Nov 18 17:24:52.546 INFO [stderr] usermod: no changes
Nov 18 17:24:52.719 INFO [stderr]    Compiling env_logger v0.5.13
Nov 18 17:24:55.278 INFO [stderr]    Compiling comacro v0.0.1 (/source)
Nov 18 17:25:00.479 INFO [stderr] warning: unnecessary parentheses around pattern
Nov 18 17:25:00.479 INFO [stderr]   --> src/trace.rs:84:21
Nov 18 17:25:00.479 INFO [stderr]    |
Nov 18 17:25:00.479 INFO [stderr] 84 |                 let ((&x, rest)) = rest.split_first().unwrap();
Nov 18 17:25:00.479 INFO [stderr]    |                     ^^^^^^^^^^^^ help: remove these parentheses
Nov 18 17:25:00.479 INFO [stderr]    |
Nov 18 17:25:00.479 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 18 17:25:00.479 INFO [stderr] 
Nov 18 17:25:00.896 INFO [stderr] warning: unused variable: `x`
Nov 18 17:25:00.899 INFO [stderr]    --> src/repr.rs:270:29
Nov 18 17:25:00.899 INFO [stderr]     |
Nov 18 17:25:00.900 INFO [stderr] 270 |     fn push_byte(&mut self, x: u8) {}
Nov 18 17:25:00.900 INFO [stderr]     |                             ^ help: consider using `_x` instead
Nov 18 17:25:00.900 INFO [stderr]     |
Nov 18 17:25:00.903 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 18 17:25:00.904 INFO [stderr] 
Nov 18 17:25:00.904 INFO [stderr] warning: unused variable: `x`
Nov 18 17:25:00.904 INFO [stderr]    --> src/repr.rs:271:32
Nov 18 17:25:00.905 INFO [stderr]     |
Nov 18 17:25:00.905 INFO [stderr] 271 |     fn extend_bytes(&mut self, x: &[u8]) {}
Nov 18 17:25:00.905 INFO [stderr]     |                                ^ help: consider using `_x` instead
Nov 18 17:25:00.905 INFO [stderr] 
Nov 18 17:25:01.115 INFO [stderr] warning: variant is never constructed: `Cont`
Nov 18 17:25:01.115 INFO [stderr]   --> src/tokens.rs:18:5
Nov 18 17:25:01.115 INFO [stderr]    |
Nov 18 17:25:01.115 INFO [stderr] 18 |     Cont,
Nov 18 17:25:01.115 INFO [stderr]    |     ^^^^
Nov 18 17:25:01.115 INFO [stderr]    |
Nov 18 17:25:01.115 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 18 17:25:01.115 INFO [stderr] 
Nov 18 17:25:01.123 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.123 INFO [stderr]   --> src/repr.rs:41:9
Nov 18 17:25:01.123 INFO [stderr]    |
Nov 18 17:25:01.123 INFO [stderr] 41 |         write!(self.buf, "${}", x);
Nov 18 17:25:01.123 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.123 INFO [stderr]    |
Nov 18 17:25:01.123 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 18 17:25:01.123 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.123 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)
Nov 18 17:25:01.123 INFO [stderr] 
Nov 18 17:25:01.123 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.123 INFO [stderr]   --> src/repr.rs:47:9
Nov 18 17:25:01.123 INFO [stderr]    |
Nov 18 17:25:01.123 INFO [stderr] 47 |         write!(self.buf, "{}", s);
Nov 18 17:25:01.123 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.123 INFO [stderr]    |
Nov 18 17:25:01.123 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.123 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)
Nov 18 17:25:01.123 INFO [stderr] 
Nov 18 17:25:01.123 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.123 INFO [stderr]   --> src/repr.rs:53:9
Nov 18 17:25:01.123 INFO [stderr]    |
Nov 18 17:25:01.123 INFO [stderr] 53 |         write!(self.buf, "{}", s);
Nov 18 17:25:01.123 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.123 INFO [stderr]    |
Nov 18 17:25:01.123 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.123 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)
Nov 18 17:25:01.123 INFO [stderr] 
Nov 18 17:25:01.123 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]   --> src/repr.rs:59:9
Nov 18 17:25:01.124 INFO [stderr]    |
Nov 18 17:25:01.124 INFO [stderr] 59 |         write!(self.buf, "{}{{", s);
Nov 18 17:25:01.124 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]    |
Nov 18 17:25:01.124 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]   --> src/repr.rs:65:9
Nov 18 17:25:01.124 INFO [stderr]    |
Nov 18 17:25:01.124 INFO [stderr] 65 |         write!(self.buf, "}}");
Nov 18 17:25:01.124 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]    |
Nov 18 17:25:01.124 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]   --> src/repr.rs:71:13
Nov 18 17:25:01.124 INFO [stderr]    |
Nov 18 17:25:01.124 INFO [stderr] 71 |             write!(self.buf, "\n");
Nov 18 17:25:01.124 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]    |
Nov 18 17:25:01.124 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]   --> src/repr.rs:90:9
Nov 18 17:25:01.124 INFO [stderr]    |
Nov 18 17:25:01.124 INFO [stderr] 90 |         write!(buf, "[");
Nov 18 17:25:01.124 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]    |
Nov 18 17:25:01.124 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]    --> src/repr.rs:113:13
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr] 113 |             write!(self.buf, "]");
Nov 18 17:25:01.124 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]    --> src/repr.rs:120:9
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr] 120 |         write!(self.buf, "\"${}\"", x);
Nov 18 17:25:01.124 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]    --> src/repr.rs:126:9
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr] 126 |         write!(self.buf, "{}", s);
Nov 18 17:25:01.124 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]    --> src/repr.rs:132:9
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr] 132 |         write!(self.buf, "\"{}\"", s);
Nov 18 17:25:01.124 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]    --> src/repr.rs:138:9
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr] 138 |         write!(self.buf, "[\"{}\"", s);
Nov 18 17:25:01.124 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.124 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.124 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)
Nov 18 17:25:01.124 INFO [stderr] 
Nov 18 17:25:01.124 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 18 17:25:01.124 INFO [stderr]    --> src/repr.rs:143:9
Nov 18 17:25:01.124 INFO [stderr]     |
Nov 18 17:25:01.125 INFO [stderr] 143 |         write!(self.buf, "]");
Nov 18 17:25:01.125 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
Nov 18 17:25:01.125 INFO [stderr]     |
Nov 18 17:25:01.125 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 18 17:25:01.125 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)
Nov 18 17:25:01.125 INFO [stderr] 
Nov 18 17:25:02.594 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.02s
Nov 18 17:25:02.601 INFO [stderr] su: No module specific data is present
Nov 18 17:25:04.076 INFO running `"docker" "inspect" "778e5d4c33c997f5cab891b04bb9fee45a6ab9d696ea033d6bafe7e77a3dd35f"`
Nov 18 17:25:04.321 INFO running `"docker" "rm" "-f" "778e5d4c33c997f5cab891b04bb9fee45a6ab9d696ea033d6bafe7e77a3dd35f"`
Nov 18 17:25:04.667 INFO [stdout] 778e5d4c33c997f5cab891b04bb9fee45a6ab9d696ea033d6bafe7e77a3dd35f
Nov 18 17:25:04.718 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 18 17:25:05.098 INFO [stdout] 93772ff45d5d63b6f2b078cd06cf044c0a0b52f447f13e59e133e0e6f7a18a94
Nov 18 17:25:05.099 INFO running `"docker" "start" "-a" "93772ff45d5d63b6f2b078cd06cf044c0a0b52f447f13e59e133e0e6f7a18a94"`
Nov 18 17:25:05.802 INFO [stderr] usermod: no changes
Nov 18 17:25:05.911 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
Nov 18 17:25:05.925 INFO [stderr]      Running /target/debug/deps/comacro-bfb5011020758271
Nov 18 17:25:05.939 INFO [stdout] 
Nov 18 17:25:05.939 INFO [stdout] running 0 tests
Nov 18 17:25:05.939 INFO [stdout] 
Nov 18 17:25:05.939 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 17:25:05.939 INFO [stdout] 
Nov 18 17:25:05.940 INFO [stderr]    Doc-tests comacro
Nov 18 17:25:11.547 INFO [stderr] su: No module specific data is present
Nov 18 17:25:11.547 INFO [stdout] 
Nov 18 17:25:11.547 INFO [stdout] running 0 tests
Nov 18 17:25:11.547 INFO [stdout] 
Nov 18 17:25:11.547 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 18 17:25:11.547 INFO [stdout] 
Nov 18 17:25:12.345 INFO running `"docker" "inspect" "93772ff45d5d63b6f2b078cd06cf044c0a0b52f447f13e59e133e0e6f7a18a94"`
Nov 18 17:25:12.607 INFO running `"docker" "rm" "-f" "93772ff45d5d63b6f2b078cd06cf044c0a0b52f447f13e59e133e0e6f7a18a94"`
Nov 18 17:25:12.899 INFO [stdout] 93772ff45d5d63b6f2b078cd06cf044c0a0b52f447f13e59e133e0e6f7a18a94