Sep 19 17:23:39.001 INFO checking subunit-rust-0.1.2 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 17:23:39.001 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 17:23:39.002 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-2/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 17:23:39.298 INFO blam! 63d23c16ba9fb676607ca0b03c147955bddea7d5b0b6d870f824e4c2eb8f799b
Sep 19 17:23:39.300 INFO running `"docker" "start" "-a" "63d23c16ba9fb676607ca0b03c147955bddea7d5b0b6d870f824e4c2eb8f799b"`
Sep 19 17:23:39.943 INFO kablam! usermod: no changes
Sep 19 17:23:39.991 INFO kablam!     Checking subunit-rust v0.1.2 (/source)
Sep 19 17:23:40.511 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.511 INFO kablam!    --> src/lib.rs:177:9
Sep 19 17:23:40.511 INFO kablam!     |
Sep 19 17:23:40.511 INFO kablam! 177 |         ret.write_u8(value as u8);
Sep 19 17:23:40.511 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.511 INFO kablam!     |
Sep 19 17:23:40.511 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 17:23:40.511 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.511 INFO kablam! 
Sep 19 17:23:40.523 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.523 INFO kablam!    --> src/lib.rs:182:9
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam! 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Sep 19 17:23:40.523 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.523 INFO kablam! 
Sep 19 17:23:40.523 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.523 INFO kablam!    --> src/lib.rs:187:9
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam! 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Sep 19 17:23:40.523 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.523 INFO kablam! 
Sep 19 17:23:40.523 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.523 INFO kablam!    --> src/lib.rs:188:9
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam! 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Sep 19 17:23:40.523 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.523 INFO kablam! 
Sep 19 17:23:40.523 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.523 INFO kablam!    --> src/lib.rs:193:9
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam! 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Sep 19 17:23:40.523 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.523 INFO kablam! 
Sep 19 17:23:40.523 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.523 INFO kablam!    --> src/lib.rs:202:5
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam! 202 |     out.write(string.as_bytes());
Sep 19 17:23:40.523 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.523 INFO kablam! 
Sep 19 17:23:40.523 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.523 INFO kablam!    --> src/lib.rs:423:13
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam! 423 |             file_content.write(self.file_content.as_ref().unwrap());
Sep 19 17:23:40.523 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.523 INFO kablam!     |
Sep 19 17:23:40.523 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.523 INFO kablam! 
Sep 19 17:23:40.591 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.591 INFO kablam!    --> src/lib.rs:177:9
Sep 19 17:23:40.591 INFO kablam!     |
Sep 19 17:23:40.591 INFO kablam! 177 |         ret.write_u8(value as u8);
Sep 19 17:23:40.591 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.591 INFO kablam!     |
Sep 19 17:23:40.591 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 17:23:40.591 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.591 INFO kablam! 
Sep 19 17:23:40.591 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.591 INFO kablam!    --> src/lib.rs:182:9
Sep 19 17:23:40.591 INFO kablam!     |
Sep 19 17:23:40.591 INFO kablam! 182 |         ret.write_u16::<BigEndian>(value as u16 | 0x4000);
Sep 19 17:23:40.591 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.591 INFO kablam!     |
Sep 19 17:23:40.591 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.591 INFO kablam! 
Sep 19 17:23:40.591 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.591 INFO kablam!    --> src/lib.rs:187:9
Sep 19 17:23:40.591 INFO kablam!     |
Sep 19 17:23:40.591 INFO kablam! 187 |         ret.write_u8(((value >> 16) | 0x80) as u8);
Sep 19 17:23:40.591 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.591 INFO kablam!     |
Sep 19 17:23:40.591 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.591 INFO kablam! 
Sep 19 17:23:40.592 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.592 INFO kablam!    --> src/lib.rs:188:9
Sep 19 17:23:40.592 INFO kablam!     |
Sep 19 17:23:40.592 INFO kablam! 188 |         ret.write_u16::<BigEndian>(value as u16 & 0xffff);
Sep 19 17:23:40.592 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.592 INFO kablam!     |
Sep 19 17:23:40.592 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.592 INFO kablam! 
Sep 19 17:23:40.592 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.592 INFO kablam!    --> src/lib.rs:193:9
Sep 19 17:23:40.592 INFO kablam!     |
Sep 19 17:23:40.592 INFO kablam! 193 |         ret.write_u32::<BigEndian>(value | 0xC0000000);
Sep 19 17:23:40.592 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.592 INFO kablam!     |
Sep 19 17:23:40.593 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.593 INFO kablam! 
Sep 19 17:23:40.593 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.593 INFO kablam!    --> src/lib.rs:202:5
Sep 19 17:23:40.593 INFO kablam!     |
Sep 19 17:23:40.593 INFO kablam! 202 |     out.write(string.as_bytes());
Sep 19 17:23:40.593 INFO kablam!     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.593 INFO kablam!     |
Sep 19 17:23:40.593 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.593 INFO kablam! 
Sep 19 17:23:40.595 INFO kablam! warning: unused `std::result::Result` which must be used
Sep 19 17:23:40.595 INFO kablam!    --> src/lib.rs:423:13
Sep 19 17:23:40.595 INFO kablam!     |
Sep 19 17:23:40.595 INFO kablam! 423 |             file_content.write(self.file_content.as_ref().unwrap());
Sep 19 17:23:40.595 INFO kablam!     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 19 17:23:40.595 INFO kablam!     |
Sep 19 17:23:40.595 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Sep 19 17:23:40.595 INFO kablam! 
Sep 19 17:23:40.612 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
Sep 19 17:23:40.615 INFO kablam! su: No module specific data is present
Sep 19 17:23:41.261 INFO running `"docker" "rm" "-f" "63d23c16ba9fb676607ca0b03c147955bddea7d5b0b6d870f824e4c2eb8f799b"`
Sep 19 17:23:41.341 INFO blam! 63d23c16ba9fb676607ca0b03c147955bddea7d5b0b6d870f824e4c2eb8f799b