Dec 05 05:57:50.713 INFO checking subunit-rust-0.1.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 05:57:50.713 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 05:57:51.213 INFO [stdout] 4dceb1db8dbb4ce109ca6765a612ca05c1efbd7dad5cd18371f0fc9485b1a965
Dec 05 05:57:51.216 INFO running `"docker" "start" "-a" "4dceb1db8dbb4ce109ca6765a612ca05c1efbd7dad5cd18371f0fc9485b1a965"`
Dec 05 05:57:53.240 INFO [stderr] usermod: no changes
Dec 05 05:57:53.336 INFO [stderr]     Checking subunit-rust v0.1.2 (/source)
Dec 05 05:57:54.597 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:54.597 INFO [stderr]    --> src/lib.rs:177:9
Dec 05 05:57:54.597 INFO [stderr]     |
Dec 05 05:57:54.597 INFO [stderr] 177 |         ret.write_u8(value as u8);
Dec 05 05:57:54.597 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:54.602 INFO [stderr]     |
Dec 05 05:57:54.602 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 05:57:54.602 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:54.602 INFO [stderr] 
Dec 05 05:57:54.602 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:54.602 INFO [stderr]    --> src/lib.rs:182:9
Dec 05 05:57:54.602 INFO [stderr]     |
Dec 05 05:57:54.602 INFO [stderr] 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Dec 05 05:57:54.602 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:54.602 INFO [stderr]     |
Dec 05 05:57:54.602 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:54.602 INFO [stderr] 
Dec 05 05:57:54.602 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:54.602 INFO [stderr]    --> src/lib.rs:187:9
Dec 05 05:57:54.602 INFO [stderr]     |
Dec 05 05:57:54.602 INFO [stderr] 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Dec 05 05:57:54.602 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:54.602 INFO [stderr]     |
Dec 05 05:57:54.602 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:54.602 INFO [stderr] 
Dec 05 05:57:54.602 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:54.603 INFO [stderr]    --> src/lib.rs:188:9
Dec 05 05:57:54.603 INFO [stderr]     |
Dec 05 05:57:54.603 INFO [stderr] 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Dec 05 05:57:54.603 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:54.607 INFO [stderr]     |
Dec 05 05:57:54.607 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:54.607 INFO [stderr] 
Dec 05 05:57:54.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:54.607 INFO [stderr]    --> src/lib.rs:193:9
Dec 05 05:57:54.607 INFO [stderr]     |
Dec 05 05:57:54.607 INFO [stderr] 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Dec 05 05:57:54.607 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:54.607 INFO [stderr]     |
Dec 05 05:57:54.607 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:54.607 INFO [stderr] 
Dec 05 05:57:54.607 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:54.607 INFO [stderr]    --> src/lib.rs:202:5
Dec 05 05:57:54.607 INFO [stderr]     |
Dec 05 05:57:54.607 INFO [stderr] 202 |     out.write(string.as_bytes());
Dec 05 05:57:54.607 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:54.607 INFO [stderr]     |
Dec 05 05:57:54.607 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:54.607 INFO [stderr] 
Dec 05 05:57:54.631 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:54.631 INFO [stderr]    --> src/lib.rs:423:13
Dec 05 05:57:54.631 INFO [stderr]     |
Dec 05 05:57:54.631 INFO [stderr] 423 |             file_content.write(self.file_content.as_ref().unwrap());
Dec 05 05:57:54.631 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:54.631 INFO [stderr]     |
Dec 05 05:57:54.631 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:54.631 INFO [stderr] 
Dec 05 05:57:55.035 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:55.035 INFO [stderr]    --> src/lib.rs:177:9
Dec 05 05:57:55.035 INFO [stderr]     |
Dec 05 05:57:55.036 INFO [stderr] 177 |         ret.write_u8(value as u8);
Dec 05 05:57:55.036 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:55.036 INFO [stderr]     |
Dec 05 05:57:55.036 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 05 05:57:55.036 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:55.036 INFO [stderr] 
Dec 05 05:57:55.036 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:55.036 INFO [stderr]    --> src/lib.rs:182:9
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr] 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Dec 05 05:57:55.037 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:55.037 INFO [stderr] 
Dec 05 05:57:55.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:55.037 INFO [stderr]    --> src/lib.rs:187:9
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr] 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Dec 05 05:57:55.037 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:55.037 INFO [stderr] 
Dec 05 05:57:55.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:55.037 INFO [stderr]    --> src/lib.rs:188:9
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr] 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Dec 05 05:57:55.037 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:55.037 INFO [stderr] 
Dec 05 05:57:55.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:55.037 INFO [stderr]    --> src/lib.rs:193:9
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr] 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Dec 05 05:57:55.037 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:55.037 INFO [stderr] 
Dec 05 05:57:55.037 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:55.037 INFO [stderr]    --> src/lib.rs:202:5
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr] 202 |     out.write(string.as_bytes());
Dec 05 05:57:55.037 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:55.037 INFO [stderr]     |
Dec 05 05:57:55.037 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:55.037 INFO [stderr] 
Dec 05 05:57:55.042 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 05:57:55.042 INFO [stderr]    --> src/lib.rs:423:13
Dec 05 05:57:55.042 INFO [stderr]     |
Dec 05 05:57:55.042 INFO [stderr] 423 |             file_content.write(self.file_content.as_ref().unwrap());
Dec 05 05:57:55.042 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 05:57:55.042 INFO [stderr]     |
Dec 05 05:57:55.042 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 05:57:55.042 INFO [stderr] 
Dec 05 05:57:55.077 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
Dec 05 05:57:55.080 INFO [stderr] su: No module specific data is present
Dec 05 05:57:56.193 INFO running `"docker" "inspect" "4dceb1db8dbb4ce109ca6765a612ca05c1efbd7dad5cd18371f0fc9485b1a965"`
Dec 05 05:57:56.483 INFO running `"docker" "rm" "-f" "4dceb1db8dbb4ce109ca6765a612ca05c1efbd7dad5cd18371f0fc9485b1a965"`
Dec 05 05:57:56.711 INFO [stdout] 4dceb1db8dbb4ce109ca6765a612ca05c1efbd7dad5cd18371f0fc9485b1a965