Nov 03 23:29:52.458 INFO checking seb-odessa/btree against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 03 23:29:52.458 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-6/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 03 23:29:52.679 INFO blam! c92dc594e89866c7433df2aa366654453f8d6cd44ad8f534c79b83d772246f67
Nov 03 23:29:52.681 INFO running `"docker" "start" "-a" "c92dc594e89866c7433df2aa366654453f8d6cd44ad8f534c79b83d772246f67"`
Nov 03 23:29:53.096 INFO kablam! usermod: no changes
Nov 03 23:29:53.143 INFO kablam!     Checking BTree v0.1.0 (/source)
Nov 03 23:29:53.272 INFO kablam! warning: unused import: `Formatter`
Nov 03 23:29:53.272 INFO kablam!  --> src/main.rs:1:25
Nov 03 23:29:53.272 INFO kablam!   |
Nov 03 23:29:53.272 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Nov 03 23:29:53.272 INFO kablam!   |                         ^^^^^^^^^
Nov 03 23:29:53.272 INFO kablam!   |
Nov 03 23:29:53.272 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 23:29:53.272 INFO kablam! 
Nov 03 23:29:53.280 INFO kablam! warning: unused import: `Formatter`
Nov 03 23:29:53.280 INFO kablam!  --> src/main.rs:1:25
Nov 03 23:29:53.280 INFO kablam!   |
Nov 03 23:29:53.280 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Nov 03 23:29:53.280 INFO kablam!   |                         ^^^^^^^^^
Nov 03 23:29:53.280 INFO kablam!   |
Nov 03 23:29:53.280 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 03 23:29:53.280 INFO kablam! 
Nov 03 23:29:53.330 INFO kablam! warning: variable does not need to be mutable
Nov 03 23:29:53.330 INFO kablam!    --> src/main.rs:149:14
Nov 03 23:29:53.330 INFO kablam!     |
Nov 03 23:29:53.330 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 03 23:29:53.330 INFO kablam!     |              ----^^^^
Nov 03 23:29:53.330 INFO kablam!     |              |
Nov 03 23:29:53.330 INFO kablam!     |              help: remove this `mut`
Nov 03 23:29:53.330 INFO kablam!     |
Nov 03 23:29:53.330 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 23:29:53.330 INFO kablam! 
Nov 03 23:29:53.331 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Nov 03 23:29:53.331 INFO kablam!   |
Nov 03 23:29:53.331 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Nov 03 23:29:53.331 INFO kablam! 
Nov 03 23:29:53.337 INFO kablam! warning: variable does not need to be mutable
Nov 03 23:29:53.337 INFO kablam!    --> src/main.rs:149:14
Nov 03 23:29:53.337 INFO kablam!     |
Nov 03 23:29:53.337 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 03 23:29:53.337 INFO kablam!     |              ----^^^^
Nov 03 23:29:53.337 INFO kablam!     |              |
Nov 03 23:29:53.337 INFO kablam!     |              help: remove this `mut`
Nov 03 23:29:53.337 INFO kablam!     |
Nov 03 23:29:53.337 INFO kablam!     = note: #[warn(unused_mut)] on by default
Nov 03 23:29:53.337 INFO kablam! 
Nov 03 23:29:53.337 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Nov 03 23:29:53.337 INFO kablam!   |
Nov 03 23:29:53.337 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Nov 03 23:29:53.337 INFO kablam! 
Nov 03 23:29:53.368 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Nov 03 23:29:53.368 INFO kablam! su: No module specific data is present
Nov 03 23:29:53.723 INFO running `"docker" "rm" "-f" "c92dc594e89866c7433df2aa366654453f8d6cd44ad8f534c79b83d772246f67"`
Nov 03 23:29:54.031 INFO blam! c92dc594e89866c7433df2aa366654453f8d6cd44ad8f534c79b83d772246f67