Nov 30 14:44:52.049 INFO checking subunit-rust-0.1.2 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 14:44:52.049 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 14:44:52.458 INFO [stdout] fc24215bb0c8fefdc4deea2c7b93ddfdb671f137be82c61774c7de8e3b347a66
Nov 30 14:44:52.460 INFO running `"docker" "start" "-a" "fc24215bb0c8fefdc4deea2c7b93ddfdb671f137be82c61774c7de8e3b347a66"`
Nov 30 14:44:54.508 INFO [stderr] usermod: no changes
Nov 30 14:44:54.620 INFO [stderr]     Checking subunit-rust v0.1.2 (/source)
Nov 30 14:44:56.244 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.245 INFO [stderr]    --> src/lib.rs:177:9
Nov 30 14:44:56.245 INFO [stderr]     |
Nov 30 14:44:56.245 INFO [stderr] 177 |         ret.write_u8(value as u8);
Nov 30 14:44:56.245 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.245 INFO [stderr]     |
Nov 30 14:44:56.245 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 14:44:56.245 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.245 INFO [stderr] 
Nov 30 14:44:56.245 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.245 INFO [stderr]    --> src/lib.rs:182:9
Nov 30 14:44:56.245 INFO [stderr]     |
Nov 30 14:44:56.245 INFO [stderr] 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Nov 30 14:44:56.245 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.245 INFO [stderr]     |
Nov 30 14:44:56.245 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.248 INFO [stderr] 
Nov 30 14:44:56.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.248 INFO [stderr]    --> src/lib.rs:187:9
Nov 30 14:44:56.248 INFO [stderr]     |
Nov 30 14:44:56.248 INFO [stderr] 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Nov 30 14:44:56.248 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.248 INFO [stderr]     |
Nov 30 14:44:56.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.248 INFO [stderr] 
Nov 30 14:44:56.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.248 INFO [stderr]    --> src/lib.rs:188:9
Nov 30 14:44:56.248 INFO [stderr]     |
Nov 30 14:44:56.248 INFO [stderr] 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Nov 30 14:44:56.248 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.248 INFO [stderr]     |
Nov 30 14:44:56.248 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.248 INFO [stderr] 
Nov 30 14:44:56.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.249 INFO [stderr]    --> src/lib.rs:193:9
Nov 30 14:44:56.249 INFO [stderr]     |
Nov 30 14:44:56.249 INFO [stderr] 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Nov 30 14:44:56.249 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.249 INFO [stderr]     |
Nov 30 14:44:56.249 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.249 INFO [stderr] 
Nov 30 14:44:56.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.249 INFO [stderr]    --> src/lib.rs:202:5
Nov 30 14:44:56.249 INFO [stderr]     |
Nov 30 14:44:56.249 INFO [stderr] 202 |     out.write(string.as_bytes());
Nov 30 14:44:56.249 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.249 INFO [stderr]     |
Nov 30 14:44:56.249 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.249 INFO [stderr] 
Nov 30 14:44:56.250 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.250 INFO [stderr]    --> src/lib.rs:423:13
Nov 30 14:44:56.250 INFO [stderr]     |
Nov 30 14:44:56.250 INFO [stderr] 423 |             file_content.write(self.file_content.as_ref().unwrap());
Nov 30 14:44:56.250 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.250 INFO [stderr]     |
Nov 30 14:44:56.250 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.250 INFO [stderr] 
Nov 30 14:44:56.701 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.701 INFO [stderr]    --> src/lib.rs:177:9
Nov 30 14:44:56.701 INFO [stderr]     |
Nov 30 14:44:56.702 INFO [stderr] 177 |         ret.write_u8(value as u8);
Nov 30 14:44:56.702 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.702 INFO [stderr]     |
Nov 30 14:44:56.702 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 30 14:44:56.703 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.703 INFO [stderr] 
Nov 30 14:44:56.703 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.704 INFO [stderr]    --> src/lib.rs:182:9
Nov 30 14:44:56.704 INFO [stderr]     |
Nov 30 14:44:56.704 INFO [stderr] 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Nov 30 14:44:56.705 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.705 INFO [stderr]     |
Nov 30 14:44:56.705 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.705 INFO [stderr] 
Nov 30 14:44:56.706 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.706 INFO [stderr]    --> src/lib.rs:187:9
Nov 30 14:44:56.706 INFO [stderr]     |
Nov 30 14:44:56.707 INFO [stderr] 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Nov 30 14:44:56.707 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.707 INFO [stderr]     |
Nov 30 14:44:56.708 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.708 INFO [stderr] 
Nov 30 14:44:56.708 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.708 INFO [stderr]    --> src/lib.rs:188:9
Nov 30 14:44:56.709 INFO [stderr]     |
Nov 30 14:44:56.709 INFO [stderr] 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Nov 30 14:44:56.709 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.710 INFO [stderr]     |
Nov 30 14:44:56.710 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.710 INFO [stderr] 
Nov 30 14:44:56.711 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.711 INFO [stderr]    --> src/lib.rs:193:9
Nov 30 14:44:56.711 INFO [stderr]     |
Nov 30 14:44:56.711 INFO [stderr] 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Nov 30 14:44:56.712 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.712 INFO [stderr]     |
Nov 30 14:44:56.712 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.713 INFO [stderr] 
Nov 30 14:44:56.713 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.713 INFO [stderr]    --> src/lib.rs:202:5
Nov 30 14:44:56.713 INFO [stderr]     |
Nov 30 14:44:56.714 INFO [stderr] 202 |     out.write(string.as_bytes());
Nov 30 14:44:56.714 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.714 INFO [stderr]     |
Nov 30 14:44:56.715 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.715 INFO [stderr] 
Nov 30 14:44:56.720 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 14:44:56.720 INFO [stderr]    --> src/lib.rs:423:13
Nov 30 14:44:56.721 INFO [stderr]     |
Nov 30 14:44:56.721 INFO [stderr] 423 |             file_content.write(self.file_content.as_ref().unwrap());
Nov 30 14:44:56.721 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 14:44:56.722 INFO [stderr]     |
Nov 30 14:44:56.722 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 14:44:56.722 INFO [stderr] 
Nov 30 14:44:56.769 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
Nov 30 14:44:56.776 INFO [stderr] su: No module specific data is present
Nov 30 14:44:58.025 INFO running `"docker" "inspect" "fc24215bb0c8fefdc4deea2c7b93ddfdb671f137be82c61774c7de8e3b347a66"`
Nov 30 14:44:58.374 INFO running `"docker" "rm" "-f" "fc24215bb0c8fefdc4deea2c7b93ddfdb671f137be82c61774c7de8e3b347a66"`
Nov 30 14:44:58.734 INFO [stdout] fc24215bb0c8fefdc4deea2c7b93ddfdb671f137be82c61774c7de8e3b347a66