Oct 31 20:34:55.809 INFO checking stan4cb/rust-tools against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538
Oct 31 20:34:55.809 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-7/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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 31 20:34:56.199 INFO blam! 222b2766ff69586329c3c5a5829babf274a85bb42213f0545608e5477169d014
Oct 31 20:34:56.212 INFO running `"docker" "start" "-a" "222b2766ff69586329c3c5a5829babf274a85bb42213f0545608e5477169d014"`
Oct 31 20:34:57.786 INFO kablam! usermod: no changes
Oct 31 20:34:57.828 INFO kablam!     Checking rust-tools v0.1.0 (/source)
Oct 31 20:34:58.157 INFO kablam! warning: unused import: `Write`
Oct 31 20:34:58.157 INFO kablam!  --> src/main.rs:2:21
Oct 31 20:34:58.157 INFO kablam!   |
Oct 31 20:34:58.157 INFO kablam! 2 | use std::io::{Read, Write, Seek, SeekFrom};
Oct 31 20:34:58.157 INFO kablam!   |                     ^^^^^
Oct 31 20:34:58.157 INFO kablam!   |
Oct 31 20:34:58.157 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 20:34:58.157 INFO kablam! 
Oct 31 20:34:58.157 INFO kablam! warning: unused import: `Read`
Oct 31 20:34:58.157 INFO kablam!  --> src/tools.rs:3:15
Oct 31 20:34:58.157 INFO kablam!   |
Oct 31 20:34:58.157 INFO kablam! 3 | use std::io::{Read, Write};
Oct 31 20:34:58.157 INFO kablam!   |               ^^^^
Oct 31 20:34:58.157 INFO kablam! 
Oct 31 20:34:58.204 INFO kablam! warning: unused import: `Write`
Oct 31 20:34:58.204 INFO kablam!  --> src/main.rs:2:21
Oct 31 20:34:58.204 INFO kablam!   |
Oct 31 20:34:58.204 INFO kablam! 2 | use std::io::{Read, Write, Seek, SeekFrom};
Oct 31 20:34:58.204 INFO kablam!   |                     ^^^^^
Oct 31 20:34:58.204 INFO kablam!   |
Oct 31 20:34:58.204 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 20:34:58.204 INFO kablam! 
Oct 31 20:34:58.204 INFO kablam! warning: unused import: `Read`
Oct 31 20:34:58.204 INFO kablam!  --> src/tools.rs:3:15
Oct 31 20:34:58.204 INFO kablam!   |
Oct 31 20:34:58.204 INFO kablam! 3 | use std::io::{Read, Write};
Oct 31 20:34:58.204 INFO kablam!   |               ^^^^
Oct 31 20:34:58.204 INFO kablam! 
Oct 31 20:34:58.352 INFO kablam! warning: unused variable: `res`
Oct 31 20:34:58.352 INFO kablam!    --> src/main.rs:135:24
Oct 31 20:34:58.352 INFO kablam!     |
Oct 31 20:34:58.352 INFO kablam! 135 |                     Ok(res) => {
Oct 31 20:34:58.352 INFO kablam!     |                        ^^^ help: consider using `_res` instead
Oct 31 20:34:58.352 INFO kablam!     |
Oct 31 20:34:58.352 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 31 20:34:58.352 INFO kablam! 
Oct 31 20:34:58.372 INFO kablam! warning: unused variable: `res`
Oct 31 20:34:58.372 INFO kablam!    --> src/main.rs:135:24
Oct 31 20:34:58.372 INFO kablam!     |
Oct 31 20:34:58.372 INFO kablam! 135 |                     Ok(res) => {
Oct 31 20:34:58.372 INFO kablam!     |                        ^^^ help: consider using `_res` instead
Oct 31 20:34:58.372 INFO kablam!     |
Oct 31 20:34:58.372 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 31 20:34:58.372 INFO kablam! 
Oct 31 20:34:58.400 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 20:34:58.400 INFO kablam!    --> src/main.rs:131:17
Oct 31 20:34:58.400 INFO kablam!     |
Oct 31 20:34:58.400 INFO kablam! 131 |                 file.read_exact(&mut x);
Oct 31 20:34:58.400 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:34:58.400 INFO kablam!     |
Oct 31 20:34:58.400 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 20:34:58.400 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 20:34:58.400 INFO kablam! 
Oct 31 20:34:58.400 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 20:34:58.400 INFO kablam!    --> src/main.rs:138:25
Oct 31 20:34:58.400 INFO kablam!     |
Oct 31 20:34:58.400 INFO kablam! 138 |                         file.read_exact(&mut a);
Oct 31 20:34:58.400 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:34:58.401 INFO kablam!     |
Oct 31 20:34:58.401 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 20:34:58.401 INFO kablam! 
Oct 31 20:34:58.401 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 20:34:58.401 INFO kablam!    --> src/main.rs:141:25
Oct 31 20:34:58.401 INFO kablam!     |
Oct 31 20:34:58.401 INFO kablam! 141 |                         file.read_exact(&mut a);
Oct 31 20:34:58.401 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:34:58.401 INFO kablam!     |
Oct 31 20:34:58.401 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 20:34:58.401 INFO kablam! 
Oct 31 20:34:58.401 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 20:34:58.401 INFO kablam!    --> src/main.rs:144:25
Oct 31 20:34:58.401 INFO kablam!     |
Oct 31 20:34:58.401 INFO kablam! 144 |                         file.read_exact(&mut a);
Oct 31 20:34:58.401 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:34:58.401 INFO kablam!     |
Oct 31 20:34:58.401 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 20:34:58.401 INFO kablam! 
Oct 31 20:34:58.424 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 20:34:58.424 INFO kablam!    --> src/main.rs:131:17
Oct 31 20:34:58.424 INFO kablam!     |
Oct 31 20:34:58.424 INFO kablam! 131 |                 file.read_exact(&mut x);
Oct 31 20:34:58.424 INFO kablam!     |                 ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:34:58.424 INFO kablam!     |
Oct 31 20:34:58.424 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 31 20:34:58.424 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 20:34:58.424 INFO kablam! 
Oct 31 20:34:58.424 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 20:34:58.424 INFO kablam!    --> src/main.rs:138:25
Oct 31 20:34:58.424 INFO kablam!     |
Oct 31 20:34:58.424 INFO kablam! 138 |                         file.read_exact(&mut a);
Oct 31 20:34:58.424 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:34:58.424 INFO kablam!     |
Oct 31 20:34:58.424 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 20:34:58.424 INFO kablam! 
Oct 31 20:34:58.424 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 20:34:58.424 INFO kablam!    --> src/main.rs:141:25
Oct 31 20:34:58.424 INFO kablam!     |
Oct 31 20:34:58.425 INFO kablam! 141 |                         file.read_exact(&mut a);
Oct 31 20:34:58.425 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:34:58.425 INFO kablam!     |
Oct 31 20:34:58.425 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 20:34:58.425 INFO kablam! 
Oct 31 20:34:58.425 INFO kablam! warning: unused `std::result::Result` that must be used
Oct 31 20:34:58.425 INFO kablam!    --> src/main.rs:144:25
Oct 31 20:34:58.425 INFO kablam!     |
Oct 31 20:34:58.425 INFO kablam! 144 |                         file.read_exact(&mut a);
Oct 31 20:34:58.425 INFO kablam!     |                         ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 31 20:34:58.425 INFO kablam!     |
Oct 31 20:34:58.425 INFO kablam!     = note: this `Result` may be an `Err` variant, which should be handled
Oct 31 20:34:58.425 INFO kablam! 
Oct 31 20:34:58.433 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Oct 31 20:34:58.436 INFO kablam! su: No module specific data is present
Oct 31 20:34:59.538 INFO running `"docker" "rm" "-f" "222b2766ff69586329c3c5a5829babf274a85bb42213f0545608e5477169d014"`
Oct 31 20:34:59.704 INFO blam! 222b2766ff69586329c3c5a5829babf274a85bb42213f0545608e5477169d014