Oct 26 21:18:55.804 INFO checking seb-odessa/btree against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 26 21:18:55.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-5/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 26 21:18:56.341 INFO blam! fc8c41149bba4f9ccd101639053cf1b901efb0d7e84b0e9494e214689e2d842d
Oct 26 21:18:56.345 INFO running `"docker" "start" "-a" "fc8c41149bba4f9ccd101639053cf1b901efb0d7e84b0e9494e214689e2d842d"`
Oct 26 21:18:57.627 INFO kablam! usermod: no changes
Oct 26 21:18:57.655 INFO kablam!     Checking BTree v0.1.0 (/source)
Oct 26 21:18:57.892 INFO kablam! warning: unused import: `Formatter`
Oct 26 21:18:57.892 INFO kablam!  --> src/main.rs:1:25
Oct 26 21:18:57.892 INFO kablam!   |
Oct 26 21:18:57.892 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Oct 26 21:18:57.892 INFO kablam!   |                         ^^^^^^^^^
Oct 26 21:18:57.892 INFO kablam!   |
Oct 26 21:18:57.892 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 21:18:57.892 INFO kablam! 
Oct 26 21:18:57.896 INFO kablam! warning: unused import: `Formatter`
Oct 26 21:18:57.896 INFO kablam!  --> src/main.rs:1:25
Oct 26 21:18:57.896 INFO kablam!   |
Oct 26 21:18:57.896 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Oct 26 21:18:57.896 INFO kablam!   |                         ^^^^^^^^^
Oct 26 21:18:57.896 INFO kablam!   |
Oct 26 21:18:57.919 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 21:18:57.919 INFO kablam! 
Oct 26 21:18:57.937 INFO kablam! warning: variable does not need to be mutable
Oct 26 21:18:57.937 INFO kablam!    --> src/main.rs:149:14
Oct 26 21:18:57.937 INFO kablam!     |
Oct 26 21:18:57.937 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Oct 26 21:18:57.937 INFO kablam!     |              ----^^^^
Oct 26 21:18:57.938 INFO kablam!     |              |
Oct 26 21:18:57.938 INFO kablam!     |              help: remove this `mut`
Oct 26 21:18:57.938 INFO kablam!     |
Oct 26 21:18:57.938 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 26 21:18:57.938 INFO kablam! 
Oct 26 21:18:57.938 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Oct 26 21:18:57.938 INFO kablam!   |
Oct 26 21:18:57.938 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 26 21:18:57.938 INFO kablam! 
Oct 26 21:18:57.963 INFO kablam! warning: variable does not need to be mutable
Oct 26 21:18:57.963 INFO kablam!    --> src/main.rs:149:14
Oct 26 21:18:57.963 INFO kablam!     |
Oct 26 21:18:57.963 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Oct 26 21:18:57.963 INFO kablam!     |              ----^^^^
Oct 26 21:18:57.963 INFO kablam!     |              |
Oct 26 21:18:57.963 INFO kablam!     |              help: remove this `mut`
Oct 26 21:18:57.963 INFO kablam!     |
Oct 26 21:18:57.963 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 26 21:18:57.963 INFO kablam! 
Oct 26 21:18:57.963 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Oct 26 21:18:57.963 INFO kablam!   |
Oct 26 21:18:57.963 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 26 21:18:57.963 INFO kablam! 
Oct 26 21:18:57.986 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Oct 26 21:18:57.988 INFO kablam! su: No module specific data is present
Oct 26 21:18:58.355 INFO running `"docker" "rm" "-f" "fc8c41149bba4f9ccd101639053cf1b901efb0d7e84b0e9494e214689e2d842d"`
Oct 26 21:18:58.541 INFO blam! fc8c41149bba4f9ccd101639053cf1b901efb0d7e84b0e9494e214689e2d842d