Oct 31 21:32:23.181 INFO checking seb-odessa/btree against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 21:32:23.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-2/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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 21:32:23.557 INFO blam! 0aeb6f79e6a18572b7727c6d371c921a154b39b642c166b1d42d43ebfabc4776
Oct 31 21:32:23.559 INFO running `"docker" "start" "-a" "0aeb6f79e6a18572b7727c6d371c921a154b39b642c166b1d42d43ebfabc4776"`
Oct 31 21:32:24.489 INFO kablam! usermod: no changes
Oct 31 21:32:24.513 INFO kablam!     Checking BTree v0.1.0 (/source)
Oct 31 21:32:24.682 INFO kablam! warning: unused import: `Formatter`
Oct 31 21:32:24.682 INFO kablam!  --> src/main.rs:1:25
Oct 31 21:32:24.682 INFO kablam!   |
Oct 31 21:32:24.682 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Oct 31 21:32:24.682 INFO kablam!   |                         ^^^^^^^^^
Oct 31 21:32:24.682 INFO kablam!   |
Oct 31 21:32:24.682 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:32:24.682 INFO kablam! 
Oct 31 21:32:24.735 INFO kablam! warning: unused import: `Formatter`
Oct 31 21:32:24.735 INFO kablam!  --> src/main.rs:1:25
Oct 31 21:32:24.735 INFO kablam!   |
Oct 31 21:32:24.735 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Oct 31 21:32:24.735 INFO kablam!   |                         ^^^^^^^^^
Oct 31 21:32:24.735 INFO kablam!   |
Oct 31 21:32:24.735 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 31 21:32:24.735 INFO kablam! 
Oct 31 21:32:24.772 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:32:24.772 INFO kablam!    --> src/main.rs:149:14
Oct 31 21:32:24.772 INFO kablam!     |
Oct 31 21:32:24.772 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Oct 31 21:32:24.772 INFO kablam!     |              ----^^^^
Oct 31 21:32:24.772 INFO kablam!     |              |
Oct 31 21:32:24.772 INFO kablam!     |              help: remove this `mut`
Oct 31 21:32:24.772 INFO kablam!     |
Oct 31 21:32:24.772 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 31 21:32:24.772 INFO kablam! 
Oct 31 21:32:24.772 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Oct 31 21:32:24.772 INFO kablam!   |
Oct 31 21:32:24.772 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 31 21:32:24.772 INFO kablam! 
Oct 31 21:32:24.821 INFO kablam! warning: variable does not need to be mutable
Oct 31 21:32:24.821 INFO kablam!    --> src/main.rs:149:14
Oct 31 21:32:24.821 INFO kablam!     |
Oct 31 21:32:24.822 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Oct 31 21:32:24.822 INFO kablam!     |              ----^^^^
Oct 31 21:32:24.822 INFO kablam!     |              |
Oct 31 21:32:24.823 INFO kablam!     |              help: remove this `mut`
Oct 31 21:32:24.823 INFO kablam!     |
Oct 31 21:32:24.823 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 31 21:32:24.823 INFO kablam! 
Oct 31 21:32:24.824 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Oct 31 21:32:24.824 INFO kablam!   |
Oct 31 21:32:24.824 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 31 21:32:24.824 INFO kablam! 
Oct 31 21:32:24.844 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Oct 31 21:32:24.845 INFO kablam! su: No module specific data is present
Oct 31 21:32:25.345 INFO running `"docker" "rm" "-f" "0aeb6f79e6a18572b7727c6d371c921a154b39b642c166b1d42d43ebfabc4776"`
Oct 31 21:32:25.521 INFO blam! 0aeb6f79e6a18572b7727c6d371c921a154b39b642c166b1d42d43ebfabc4776