Oct 12 13:08:27.522 INFO checking stan4cb/rust-tools against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 13:08:27.522 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 12 13:08:28.069 INFO blam! 4ed67cbcbd7aa62e89f53f66c2e66987531e0a52698132fc323891dd4c8dc09a
Oct 12 13:08:28.071 INFO running `"docker" "start" "-a" "4ed67cbcbd7aa62e89f53f66c2e66987531e0a52698132fc323891dd4c8dc09a"`
Oct 12 13:08:29.701 INFO kablam! usermod: no changes
Oct 12 13:08:29.756 INFO kablam!     Checking rust-tools v0.1.0 (/source)
Oct 12 13:08:30.069 INFO kablam! warning: unused import: `Write`
Oct 12 13:08:30.069 INFO kablam!  --> src/main.rs:2:21
Oct 12 13:08:30.069 INFO kablam!   |
Oct 12 13:08:30.069 INFO kablam! 2 | use std::io::{Read, Write, Seek, SeekFrom};
Oct 12 13:08:30.069 INFO kablam!   |                     ^^^^^
Oct 12 13:08:30.069 INFO kablam!   |
Oct 12 13:08:30.069 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 13:08:30.069 INFO kablam! 
Oct 12 13:08:30.088 INFO kablam! warning: unused import: `Read`
Oct 12 13:08:30.088 INFO kablam!  --> src/tools.rs:3:15
Oct 12 13:08:30.088 INFO kablam!   |
Oct 12 13:08:30.088 INFO kablam! 3 | use std::io::{Read, Write};
Oct 12 13:08:30.088 INFO kablam!   |               ^^^^
Oct 12 13:08:30.088 INFO kablam! 
Oct 12 13:08:30.168 INFO kablam! warning: unused import: `Write`
Oct 12 13:08:30.168 INFO kablam!  --> src/main.rs:2:21
Oct 12 13:08:30.168 INFO kablam!   |
Oct 12 13:08:30.168 INFO kablam! 2 | use std::io::{Read, Write, Seek, SeekFrom};
Oct 12 13:08:30.168 INFO kablam!   |                     ^^^^^
Oct 12 13:08:30.168 INFO kablam!   |
Oct 12 13:08:30.168 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 13:08:30.168 INFO kablam! 
Oct 12 13:08:30.168 INFO kablam! warning: unused import: `Read`
Oct 12 13:08:30.168 INFO kablam!  --> src/tools.rs:3:15
Oct 12 13:08:30.168 INFO kablam!   |
Oct 12 13:08:30.168 INFO kablam! 3 | use std::io::{Read, Write};
Oct 12 13:08:30.168 INFO kablam!   |               ^^^^
Oct 12 13:08:30.168 INFO kablam! 
Oct 12 13:08:30.180 INFO kablam! warning: unused variable: `res`
Oct 12 13:08:30.180 INFO kablam!    --> src/main.rs:135:24
Oct 12 13:08:30.180 INFO kablam!     |
Oct 12 13:08:30.180 INFO kablam! 135 |                     Ok(res) => {
Oct 12 13:08:30.180 INFO kablam!     |                        ^^^ help: consider using `_res` instead
Oct 12 13:08:30.180 INFO kablam!     |
Oct 12 13:08:30.180 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 13:08:30.180 INFO kablam! 
Oct 12 13:08:30.207 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:08:30.207 INFO kablam!    --> src/main.rs:131:17
Oct 12 13:08:30.207 INFO kablam!     |
Oct 12 13:08:30.207 INFO kablam! 131 |                 file.read_exact(&mut x);
Oct 12 13:08:30.207 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:08:30.207 INFO kablam!     |
Oct 12 13:08:30.207 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 13:08:30.207 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:08:30.207 INFO kablam! 
Oct 12 13:08:30.207 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:08:30.207 INFO kablam!    --> src/main.rs:138:25
Oct 12 13:08:30.207 INFO kablam!     |
Oct 12 13:08:30.207 INFO kablam! 138 |                         file.read_exact(&mut a);
Oct 12 13:08:30.207 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:08:30.207 INFO kablam!     |
Oct 12 13:08:30.207 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:08:30.207 INFO kablam! 
Oct 12 13:08:30.207 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:08:30.207 INFO kablam!    --> src/main.rs:141:25
Oct 12 13:08:30.207 INFO kablam!     |
Oct 12 13:08:30.207 INFO kablam! 141 |                         file.read_exact(&mut a);
Oct 12 13:08:30.207 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:08:30.207 INFO kablam!     |
Oct 12 13:08:30.207 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:08:30.207 INFO kablam! 
Oct 12 13:08:30.207 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:08:30.207 INFO kablam!    --> src/main.rs:144:25
Oct 12 13:08:30.207 INFO kablam!     |
Oct 12 13:08:30.207 INFO kablam! 144 |                         file.read_exact(&mut a);
Oct 12 13:08:30.207 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:08:30.207 INFO kablam!     |
Oct 12 13:08:30.207 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:08:30.207 INFO kablam! 
Oct 12 13:08:30.284 INFO kablam! warning: unused variable: `res`
Oct 12 13:08:30.284 INFO kablam!    --> src/main.rs:135:24
Oct 12 13:08:30.284 INFO kablam!     |
Oct 12 13:08:30.284 INFO kablam! 135 |                     Ok(res) => {
Oct 12 13:08:30.284 INFO kablam!     |                        ^^^ help: consider using `_res` instead
Oct 12 13:08:30.284 INFO kablam!     |
Oct 12 13:08:30.284 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 13:08:30.284 INFO kablam! 
Oct 12 13:08:30.312 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:08:30.312 INFO kablam!    --> src/main.rs:131:17
Oct 12 13:08:30.312 INFO kablam!     |
Oct 12 13:08:30.312 INFO kablam! 131 |                 file.read_exact(&mut x);
Oct 12 13:08:30.312 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:08:30.312 INFO kablam!     |
Oct 12 13:08:30.312 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 12 13:08:30.312 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:08:30.312 INFO kablam! 
Oct 12 13:08:30.312 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:08:30.312 INFO kablam!    --> src/main.rs:138:25
Oct 12 13:08:30.312 INFO kablam!     |
Oct 12 13:08:30.312 INFO kablam! 138 |                         file.read_exact(&mut a);
Oct 12 13:08:30.313 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:08:30.313 INFO kablam!     |
Oct 12 13:08:30.313 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:08:30.313 INFO kablam! 
Oct 12 13:08:30.313 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:08:30.313 INFO kablam!    --> src/main.rs:141:25
Oct 12 13:08:30.313 INFO kablam!     |
Oct 12 13:08:30.313 INFO kablam! 141 |                         file.read_exact(&mut a);
Oct 12 13:08:30.313 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:08:30.313 INFO kablam!     |
Oct 12 13:08:30.313 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:08:30.313 INFO kablam! 
Oct 12 13:08:30.313 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 13:08:30.313 INFO kablam!    --> src/main.rs:144:25
Oct 12 13:08:30.313 INFO kablam!     |
Oct 12 13:08:30.313 INFO kablam! 144 |                         file.read_exact(&mut a);
Oct 12 13:08:30.313 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 13:08:30.313 INFO kablam!     |
Oct 12 13:08:30.313 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 13:08:30.313 INFO kablam! 
Oct 12 13:08:30.334 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Oct 12 13:08:30.336 INFO kablam! su: No module specific data is present
Oct 12 13:08:31.221 INFO running `"docker" "rm" "-f" "4ed67cbcbd7aa62e89f53f66c2e66987531e0a52698132fc323891dd4c8dc09a"`
Oct 12 13:08:31.488 INFO blam! 4ed67cbcbd7aa62e89f53f66c2e66987531e0a52698132fc323891dd4c8dc09a