Dec 12 06:45:50.057 INFO checking subunit-rust-0.1.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 06:45:50.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 06:45:50.514 INFO [stdout] 82d6ce489a49a4dcf8a6497fe84560af1d6f2fcb4013441a88c775d3b39ba44e
Dec 12 06:45:50.524 INFO running `"docker" "start" "-a" "82d6ce489a49a4dcf8a6497fe84560af1d6f2fcb4013441a88c775d3b39ba44e"`
Dec 12 06:45:51.824 INFO [stderr] usermod: no changes
Dec 12 06:45:51.918 INFO [stderr]     Checking subunit-rust v0.1.2 (/source)
Dec 12 06:45:53.336 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.336 INFO [stderr]    --> src/lib.rs:177:9
Dec 12 06:45:53.336 INFO [stderr]     |
Dec 12 06:45:53.336 INFO [stderr] 177 |         ret.write_u8(value as u8);
Dec 12 06:45:53.336 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 06:45:53.337 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.337 INFO [stderr] 
Dec 12 06:45:53.337 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.337 INFO [stderr]    --> src/lib.rs:182:9
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr] 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Dec 12 06:45:53.337 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.337 INFO [stderr] 
Dec 12 06:45:53.337 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.337 INFO [stderr]    --> src/lib.rs:187:9
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr] 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Dec 12 06:45:53.337 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.337 INFO [stderr] 
Dec 12 06:45:53.337 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.337 INFO [stderr]    --> src/lib.rs:188:9
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr] 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Dec 12 06:45:53.337 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.337 INFO [stderr] 
Dec 12 06:45:53.337 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.337 INFO [stderr]    --> src/lib.rs:193:9
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr] 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Dec 12 06:45:53.337 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.337 INFO [stderr] 
Dec 12 06:45:53.337 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.337 INFO [stderr]    --> src/lib.rs:202:5
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr] 202 |     out.write(string.as_bytes());
Dec 12 06:45:53.337 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.337 INFO [stderr]     |
Dec 12 06:45:53.337 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.338 INFO [stderr] 
Dec 12 06:45:53.341 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.341 INFO [stderr]    --> src/lib.rs:423:13
Dec 12 06:45:53.341 INFO [stderr]     |
Dec 12 06:45:53.341 INFO [stderr] 423 |             file_content.write(self.file_content.as_ref().unwrap());
Dec 12 06:45:53.341 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.341 INFO [stderr]     |
Dec 12 06:45:53.341 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.341 INFO [stderr] 
Dec 12 06:45:53.731 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.731 INFO [stderr]    --> src/lib.rs:177:9
Dec 12 06:45:53.731 INFO [stderr]     |
Dec 12 06:45:53.731 INFO [stderr] 177 |         ret.write_u8(value as u8);
Dec 12 06:45:53.731 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.731 INFO [stderr]     |
Dec 12 06:45:53.732 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 06:45:53.732 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.732 INFO [stderr] 
Dec 12 06:45:53.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.740 INFO [stderr]    --> src/lib.rs:182:9
Dec 12 06:45:53.740 INFO [stderr]     |
Dec 12 06:45:53.740 INFO [stderr] 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Dec 12 06:45:53.740 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.740 INFO [stderr]     |
Dec 12 06:45:53.740 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.740 INFO [stderr] 
Dec 12 06:45:53.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.740 INFO [stderr]    --> src/lib.rs:187:9
Dec 12 06:45:53.740 INFO [stderr]     |
Dec 12 06:45:53.740 INFO [stderr] 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Dec 12 06:45:53.740 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.740 INFO [stderr]     |
Dec 12 06:45:53.740 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.740 INFO [stderr] 
Dec 12 06:45:53.740 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.740 INFO [stderr]    --> src/lib.rs:188:9
Dec 12 06:45:53.740 INFO [stderr]     |
Dec 12 06:45:53.741 INFO [stderr] 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Dec 12 06:45:53.741 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.741 INFO [stderr]     |
Dec 12 06:45:53.741 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.741 INFO [stderr] 
Dec 12 06:45:53.741 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.741 INFO [stderr]    --> src/lib.rs:193:9
Dec 12 06:45:53.741 INFO [stderr]     |
Dec 12 06:45:53.741 INFO [stderr] 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Dec 12 06:45:53.741 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.741 INFO [stderr]     |
Dec 12 06:45:53.741 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.741 INFO [stderr] 
Dec 12 06:45:53.741 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.741 INFO [stderr]    --> src/lib.rs:202:5
Dec 12 06:45:53.741 INFO [stderr]     |
Dec 12 06:45:53.741 INFO [stderr] 202 |     out.write(string.as_bytes());
Dec 12 06:45:53.741 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.741 INFO [stderr]     |
Dec 12 06:45:53.741 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.741 INFO [stderr] 
Dec 12 06:45:53.748 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 06:45:53.748 INFO [stderr]    --> src/lib.rs:423:13
Dec 12 06:45:53.748 INFO [stderr]     |
Dec 12 06:45:53.748 INFO [stderr] 423 |             file_content.write(self.file_content.as_ref().unwrap());
Dec 12 06:45:53.748 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 06:45:53.748 INFO [stderr]     |
Dec 12 06:45:53.748 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 06:45:53.748 INFO [stderr] 
Dec 12 06:45:53.774 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
Dec 12 06:45:53.781 INFO [stderr] su: No module specific data is present
Dec 12 06:45:54.438 INFO running `"docker" "inspect" "82d6ce489a49a4dcf8a6497fe84560af1d6f2fcb4013441a88c775d3b39ba44e"`
Dec 12 06:45:54.700 INFO running `"docker" "rm" "-f" "82d6ce489a49a4dcf8a6497fe84560af1d6f2fcb4013441a88c775d3b39ba44e"`
Dec 12 06:45:55.076 INFO [stdout] 82d6ce489a49a4dcf8a6497fe84560af1d6f2fcb4013441a88c775d3b39ba44e