Nov 02 06:59:21.650 INFO checking seb-odessa/btree against master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862 for pr-55517
Nov 02 06:59:21.650 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/master#f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862:/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 +f6e9a6e41cd9b1fb687e296b5a6d4c6ad399f862-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"`
Nov 02 06:59:21.990 INFO blam! 80e021ca5fe1c6600b9e7ec18f6b42bd579d46a9ec686f26dd2316e10837383e
Nov 02 06:59:21.991 INFO running `"docker" "start" "-a" "80e021ca5fe1c6600b9e7ec18f6b42bd579d46a9ec686f26dd2316e10837383e"`
Nov 02 06:59:22.582 INFO kablam! usermod: no changes
Nov 02 06:59:22.603 INFO kablam!     Checking BTree v0.1.0 (/source)
Nov 02 06:59:22.738 INFO kablam! warning: unused import: `Formatter`
Nov 02 06:59:22.738 INFO kablam!  --> src/main.rs:1:25
Nov 02 06:59:22.738 INFO kablam!   |
Nov 02 06:59:22.738 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Nov 02 06:59:22.738 INFO kablam!   |                         ^^^^^^^^^
Nov 02 06:59:22.738 INFO kablam!   |
Nov 02 06:59:22.738 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 06:59:22.738 INFO kablam! 
Nov 02 06:59:22.778 INFO kablam! warning: unused import: `Formatter`
Nov 02 06:59:22.779 INFO kablam!  --> src/main.rs:1:25
Nov 02 06:59:22.779 INFO kablam!   |
Nov 02 06:59:22.779 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Nov 02 06:59:22.779 INFO kablam!   |                         ^^^^^^^^^
Nov 02 06:59:22.779 INFO kablam!   |
Nov 02 06:59:22.779 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 06:59:22.779 INFO kablam! 
Nov 02 06:59:22.800 INFO kablam! warning: variable does not need to be mutable
Nov 02 06:59:22.800 INFO kablam!    --> src/main.rs:149:14
Nov 02 06:59:22.800 INFO kablam!     |
Nov 02 06:59:22.822 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 02 06:59:22.822 INFO kablam!     |              ----^^^^
Nov 02 06:59:22.822 INFO kablam!     |              |
Nov 02 06:59:22.822 INFO kablam!     |              help: remove this `mut`
Nov 02 06:59:22.822 INFO kablam!     |
Nov 02 06:59:22.823 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 06:59:22.823 INFO kablam! 
Nov 02 06:59:22.823 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Nov 02 06:59:22.823 INFO kablam!   |
Nov 02 06:59:22.823 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Nov 02 06:59:22.823 INFO kablam! 
Nov 02 06:59:22.824 INFO kablam! warning: variable does not need to be mutable
Nov 02 06:59:22.824 INFO kablam!    --> src/main.rs:149:14
Nov 02 06:59:22.824 INFO kablam!     |
Nov 02 06:59:22.824 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 02 06:59:22.824 INFO kablam!     |              ----^^^^
Nov 02 06:59:22.824 INFO kablam!     |              |
Nov 02 06:59:22.824 INFO kablam!     |              help: remove this `mut`
Nov 02 06:59:22.824 INFO kablam!     |
Nov 02 06:59:22.824 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 06:59:22.824 INFO kablam! 
Nov 02 06:59:22.824 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Nov 02 06:59:22.824 INFO kablam!   |
Nov 02 06:59:22.824 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Nov 02 06:59:22.824 INFO kablam! 
Nov 02 06:59:22.846 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Nov 02 06:59:22.846 INFO kablam! su: No module specific data is present
Nov 02 06:59:23.100 INFO running `"docker" "rm" "-f" "80e021ca5fe1c6600b9e7ec18f6b42bd579d46a9ec686f26dd2316e10837383e"`
Nov 02 06:59:23.156 INFO blam! 80e021ca5fe1c6600b9e7ec18f6b42bd579d46a9ec686f26dd2316e10837383e