Oct 13 07:49:16.766 INFO checking subunit-rust-0.1.2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 07:49:16.766 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-2/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 07:49:17.062 INFO blam! 62a3e0efd6d656287d95ed16ec47a68442f71b293076f5dc9276b54b2c9c961f
Oct 13 07:49:17.066 INFO running `"docker" "start" "-a" "62a3e0efd6d656287d95ed16ec47a68442f71b293076f5dc9276b54b2c9c961f"`
Oct 13 07:49:17.876 INFO kablam! usermod: no changes
Oct 13 07:49:17.944 INFO kablam!     Checking subunit-rust v0.1.2 (/source)
Oct 13 07:49:18.915 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:18.916 INFO kablam!    --> src/lib.rs:177:9
Oct 13 07:49:18.916 INFO kablam!     |
Oct 13 07:49:18.916 INFO kablam! 177 |         ret.write_u8(value as u8);
Oct 13 07:49:18.917 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:18.917 INFO kablam!     |
Oct 13 07:49:18.917 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 07:49:18.917 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:18.918 INFO kablam! 
Oct 13 07:49:18.918 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:18.918 INFO kablam!    --> src/lib.rs:182:9
Oct 13 07:49:18.919 INFO kablam!     |
Oct 13 07:49:18.919 INFO kablam! 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Oct 13 07:49:18.919 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:18.920 INFO kablam!     |
Oct 13 07:49:18.920 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:18.920 INFO kablam! 
Oct 13 07:49:18.921 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:18.921 INFO kablam!    --> src/lib.rs:187:9
Oct 13 07:49:18.921 INFO kablam!     |
Oct 13 07:49:18.921 INFO kablam! 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Oct 13 07:49:18.922 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:18.922 INFO kablam!     |
Oct 13 07:49:18.922 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:18.922 INFO kablam! 
Oct 13 07:49:18.923 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:18.923 INFO kablam!    --> src/lib.rs:188:9
Oct 13 07:49:18.923 INFO kablam!     |
Oct 13 07:49:18.924 INFO kablam! 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Oct 13 07:49:18.924 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:18.924 INFO kablam!     |
Oct 13 07:49:18.924 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:18.925 INFO kablam! 
Oct 13 07:49:18.925 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:18.925 INFO kablam!    --> src/lib.rs:193:9
Oct 13 07:49:18.926 INFO kablam!     |
Oct 13 07:49:18.926 INFO kablam! 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Oct 13 07:49:18.926 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:18.926 INFO kablam!     |
Oct 13 07:49:18.927 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:18.927 INFO kablam! 
Oct 13 07:49:18.927 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:18.927 INFO kablam!    --> src/lib.rs:202:5
Oct 13 07:49:18.927 INFO kablam!     |
Oct 13 07:49:18.927 INFO kablam! 202 |     out.write(string.as_bytes());
Oct 13 07:49:18.928 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:18.928 INFO kablam!     |
Oct 13 07:49:18.928 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:18.928 INFO kablam! 
Oct 13 07:49:18.928 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:18.928 INFO kablam!    --> src/lib.rs:423:13
Oct 13 07:49:18.929 INFO kablam!     |
Oct 13 07:49:18.929 INFO kablam! 423 |             file_content.write(self.file_content.as_ref().unwrap());
Oct 13 07:49:18.929 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:18.929 INFO kablam!     |
Oct 13 07:49:18.929 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:18.929 INFO kablam! 
Oct 13 07:49:19.073 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:19.073 INFO kablam!    --> src/lib.rs:177:9
Oct 13 07:49:19.073 INFO kablam!     |
Oct 13 07:49:19.073 INFO kablam! 177 |         ret.write_u8(value as u8);
Oct 13 07:49:19.073 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:19.074 INFO kablam!     |
Oct 13 07:49:19.074 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 13 07:49:19.074 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:19.074 INFO kablam! 
Oct 13 07:49:19.074 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:19.075 INFO kablam!    --> src/lib.rs:182:9
Oct 13 07:49:19.075 INFO kablam!     |
Oct 13 07:49:19.075 INFO kablam! 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Oct 13 07:49:19.075 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:19.075 INFO kablam!     |
Oct 13 07:49:19.076 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:19.076 INFO kablam! 
Oct 13 07:49:19.076 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:19.076 INFO kablam!    --> src/lib.rs:187:9
Oct 13 07:49:19.077 INFO kablam!     |
Oct 13 07:49:19.077 INFO kablam! 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Oct 13 07:49:19.077 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:19.077 INFO kablam!     |
Oct 13 07:49:19.077 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:19.078 INFO kablam! 
Oct 13 07:49:19.078 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:19.078 INFO kablam!    --> src/lib.rs:188:9
Oct 13 07:49:19.078 INFO kablam!     |
Oct 13 07:49:19.078 INFO kablam! 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Oct 13 07:49:19.079 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:19.079 INFO kablam!     |
Oct 13 07:49:19.079 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:19.079 INFO kablam! 
Oct 13 07:49:19.079 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:19.080 INFO kablam!    --> src/lib.rs:193:9
Oct 13 07:49:19.080 INFO kablam!     |
Oct 13 07:49:19.080 INFO kablam! 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Oct 13 07:49:19.080 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:19.080 INFO kablam!     |
Oct 13 07:49:19.080 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:19.080 INFO kablam! 
Oct 13 07:49:19.080 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:19.080 INFO kablam!    --> src/lib.rs:202:5
Oct 13 07:49:19.080 INFO kablam!     |
Oct 13 07:49:19.080 INFO kablam! 202 |     out.write(string.as_bytes());
Oct 13 07:49:19.080 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:19.080 INFO kablam!     |
Oct 13 07:49:19.080 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:19.080 INFO kablam! 
Oct 13 07:49:19.080 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 13 07:49:19.080 INFO kablam!    --> src/lib.rs:423:13
Oct 13 07:49:19.080 INFO kablam!     |
Oct 13 07:49:19.080 INFO kablam! 423 |             file_content.write(self.file_content.as_ref().unwrap());
Oct 13 07:49:19.080 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 07:49:19.080 INFO kablam!     |
Oct 13 07:49:19.080 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 13 07:49:19.080 INFO kablam! 
Oct 13 07:49:19.124 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
Oct 13 07:49:19.124 INFO kablam! su: No module specific data is present
Oct 13 07:49:20.185 INFO running `"docker" "rm" "-f" "62a3e0efd6d656287d95ed16ec47a68442f71b293076f5dc9276b54b2c9c961f"`
Oct 13 07:49:20.471 INFO blam! 62a3e0efd6d656287d95ed16ec47a68442f71b293076f5dc9276b54b2c9c961f