Dec 12 06:45:49.686 INFO checking subunit-rust-0.1.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 06:45:49.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 12 06:45:50.096 INFO [stdout] f3b5d78f763ff1c8aed9d21f6a45ab95588da8351510b9c948d730776c2ddbd9
Dec 12 06:45:50.104 INFO running `"docker" "start" "-a" "f3b5d78f763ff1c8aed9d21f6a45ab95588da8351510b9c948d730776c2ddbd9"`
Dec 12 06:45:51.620 INFO [stderr] usermod: no changes
Dec 12 06:45:51.713 INFO [stderr]     Checking subunit-rust v0.1.2 (/source)
Dec 12 06:45:52.902 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:52.902 INFO [stderr]    --> src/lib.rs:177:9
Dec 12 06:45:52.902 INFO [stderr]     |
Dec 12 06:45:52.902 INFO [stderr] 177 |         ret.write_u8(value as u8);
Dec 12 06:45:52.902 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:52.902 INFO [stderr]     |
Dec 12 06:45:52.902 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 06:45:52.902 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:52.902 INFO [stderr] 
Dec 12 06:45:52.902 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:52.902 INFO [stderr]    --> src/lib.rs:182:9
Dec 12 06:45:52.902 INFO [stderr]     |
Dec 12 06:45:52.902 INFO [stderr] 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Dec 12 06:45:52.902 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:52.902 INFO [stderr]     |
Dec 12 06:45:52.902 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:52.902 INFO [stderr] 
Dec 12 06:45:52.902 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:52.902 INFO [stderr]    --> src/lib.rs:187:9
Dec 12 06:45:52.902 INFO [stderr]     |
Dec 12 06:45:52.902 INFO [stderr] 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Dec 12 06:45:52.902 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:52.902 INFO [stderr]     |
Dec 12 06:45:52.902 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:52.902 INFO [stderr] 
Dec 12 06:45:52.902 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:52.902 INFO [stderr]    --> src/lib.rs:188:9
Dec 12 06:45:52.902 INFO [stderr]     |
Dec 12 06:45:52.903 INFO [stderr] 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Dec 12 06:45:52.903 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:52.903 INFO [stderr]     |
Dec 12 06:45:52.903 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:52.903 INFO [stderr] 
Dec 12 06:45:52.903 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:52.903 INFO [stderr]    --> src/lib.rs:193:9
Dec 12 06:45:52.903 INFO [stderr]     |
Dec 12 06:45:52.903 INFO [stderr] 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Dec 12 06:45:52.903 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:52.903 INFO [stderr]     |
Dec 12 06:45:52.903 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:52.903 INFO [stderr] 
Dec 12 06:45:52.903 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:52.903 INFO [stderr]    --> src/lib.rs:202:5
Dec 12 06:45:52.903 INFO [stderr]     |
Dec 12 06:45:52.903 INFO [stderr] 202 |     out.write(string.as_bytes());
Dec 12 06:45:52.903 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:52.903 INFO [stderr]     |
Dec 12 06:45:52.903 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:52.903 INFO [stderr] 
Dec 12 06:45:52.912 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:52.912 INFO [stderr]    --> src/lib.rs:423:13
Dec 12 06:45:52.912 INFO [stderr]     |
Dec 12 06:45:52.913 INFO [stderr] 423 |             file_content.write(self.file_content.as_ref().unwrap());
Dec 12 06:45:52.913 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:52.913 INFO [stderr]     |
Dec 12 06:45:52.913 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:52.913 INFO [stderr] 
Dec 12 06:45:53.256 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.256 INFO [stderr]    --> src/lib.rs:177:9
Dec 12 06:45:53.256 INFO [stderr]     |
Dec 12 06:45:53.256 INFO [stderr] 177 |         ret.write_u8(value as u8);
Dec 12 06:45:53.256 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.256 INFO [stderr]     |
Dec 12 06:45:53.256 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 06:45:53.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.257 INFO [stderr] 
Dec 12 06:45:53.257 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.257 INFO [stderr]    --> src/lib.rs:182:9
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr] 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Dec 12 06:45:53.257 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.257 INFO [stderr] 
Dec 12 06:45:53.257 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.257 INFO [stderr]    --> src/lib.rs:187:9
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr] 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Dec 12 06:45:53.257 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.257 INFO [stderr] 
Dec 12 06:45:53.257 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.257 INFO [stderr]    --> src/lib.rs:188:9
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr] 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Dec 12 06:45:53.257 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.257 INFO [stderr] 
Dec 12 06:45:53.257 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.257 INFO [stderr]    --> src/lib.rs:193:9
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr] 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Dec 12 06:45:53.257 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.257 INFO [stderr] 
Dec 12 06:45:53.257 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.257 INFO [stderr]    --> src/lib.rs:202:5
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr] 202 |     out.write(string.as_bytes());
Dec 12 06:45:53.257 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.257 INFO [stderr]     |
Dec 12 06:45:53.257 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.257 INFO [stderr] 
Dec 12 06:45:53.258 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.258 INFO [stderr]    --> src/lib.rs:423:13
Dec 12 06:45:53.258 INFO [stderr]     |
Dec 12 06:45:53.258 INFO [stderr] 423 |             file_content.write(self.file_content.as_ref().unwrap());
Dec 12 06:45:53.258 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.258 INFO [stderr]     |
Dec 12 06:45:53.258 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.258 INFO [stderr] 
Dec 12 06:45:53.294 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
Dec 12 06:45:53.297 INFO [stderr] su: No module specific data is present
Dec 12 06:45:54.235 INFO running `"docker" "inspect" "f3b5d78f763ff1c8aed9d21f6a45ab95588da8351510b9c948d730776c2ddbd9"`
Dec 12 06:45:54.594 INFO running `"docker" "rm" "-f" "f3b5d78f763ff1c8aed9d21f6a45ab95588da8351510b9c948d730776c2ddbd9"`
Dec 12 06:45:54.968 INFO [stdout] f3b5d78f763ff1c8aed9d21f6a45ab95588da8351510b9c948d730776c2ddbd9