Nov 02 06:59:21.196 INFO checking seb-odessa/btree against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 06:59:21.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-3/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 06:59:21.448 INFO blam! fcb2120c126b7a4526427a61cb5987556290247dbcceefaca97b3d6c9d856f09
Nov 02 06:59:21.457 INFO running `"docker" "start" "-a" "fcb2120c126b7a4526427a61cb5987556290247dbcceefaca97b3d6c9d856f09"`
Nov 02 06:59:22.333 INFO kablam! usermod: no changes
Nov 02 06:59:22.369 INFO kablam!     Checking BTree v0.1.0 (/source)
Nov 02 06:59:22.498 INFO kablam! warning: unused import: `Formatter`
Nov 02 06:59:22.498 INFO kablam!  --> src/main.rs:1:25
Nov 02 06:59:22.498 INFO kablam!   |
Nov 02 06:59:22.498 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Nov 02 06:59:22.498 INFO kablam!   |                         ^^^^^^^^^
Nov 02 06:59:22.498 INFO kablam!   |
Nov 02 06:59:22.498 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 06:59:22.498 INFO kablam! 
Nov 02 06:59:22.540 INFO kablam! warning: unused import: `Formatter`
Nov 02 06:59:22.540 INFO kablam!  --> src/main.rs:1:25
Nov 02 06:59:22.540 INFO kablam!   |
Nov 02 06:59:22.540 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Nov 02 06:59:22.540 INFO kablam!   |                         ^^^^^^^^^
Nov 02 06:59:22.540 INFO kablam!   |
Nov 02 06:59:22.540 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 06:59:22.540 INFO kablam! 
Nov 02 06:59:22.540 INFO kablam! warning: variable does not need to be mutable
Nov 02 06:59:22.540 INFO kablam!    --> src/main.rs:149:14
Nov 02 06:59:22.540 INFO kablam!     |
Nov 02 06:59:22.541 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 02 06:59:22.541 INFO kablam!     |              ----^^^^
Nov 02 06:59:22.541 INFO kablam!     |              |
Nov 02 06:59:22.541 INFO kablam!     |              help: remove this `mut`
Nov 02 06:59:22.541 INFO kablam!     |
Nov 02 06:59:22.541 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 06:59:22.541 INFO kablam! 
Nov 02 06:59:22.541 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Nov 02 06:59:22.541 INFO kablam!   |
Nov 02 06:59:22.541 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Nov 02 06:59:22.541 INFO kablam! 
Nov 02 06:59:22.607 INFO kablam! warning: variable does not need to be mutable
Nov 02 06:59:22.607 INFO kablam!    --> src/main.rs:149:14
Nov 02 06:59:22.607 INFO kablam!     |
Nov 02 06:59:22.607 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 02 06:59:22.607 INFO kablam!     |              ----^^^^
Nov 02 06:59:22.607 INFO kablam!     |              |
Nov 02 06:59:22.607 INFO kablam!     |              help: remove this `mut`
Nov 02 06:59:22.607 INFO kablam!     |
Nov 02 06:59:22.607 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 02 06:59:22.607 INFO kablam! 
Nov 02 06:59:22.607 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Nov 02 06:59:22.607 INFO kablam!   |
Nov 02 06:59:22.607 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Nov 02 06:59:22.607 INFO kablam! 
Nov 02 06:59:22.610 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Nov 02 06:59:22.630 INFO kablam! su: No module specific data is present
Nov 02 06:59:22.887 INFO running `"docker" "rm" "-f" "fcb2120c126b7a4526427a61cb5987556290247dbcceefaca97b3d6c9d856f09"`
Nov 02 06:59:22.968 INFO blam! fcb2120c126b7a4526427a61cb5987556290247dbcceefaca97b3d6c9d856f09