Nov 29 18:36:35.444 INFO checking seb-odessa/btree against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 18:36:35.445 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 18:36:35.866 INFO [stdout] e950b31959038f0a63f7b70a3e9dc5ed067f7c41f0edd1bda3d828f01a548bc6
Nov 29 18:36:35.868 INFO running `"docker" "start" "-a" "e950b31959038f0a63f7b70a3e9dc5ed067f7c41f0edd1bda3d828f01a548bc6"`
Nov 29 18:36:36.932 INFO [stderr] usermod: no changes
Nov 29 18:36:37.015 INFO [stderr]     Checking BTree v0.1.0 (/source)
Nov 29 18:36:37.344 INFO [stderr] warning: unused import: `Formatter`
Nov 29 18:36:37.344 INFO [stderr]  --> src/main.rs:1:25
Nov 29 18:36:37.344 INFO [stderr]   |
Nov 29 18:36:37.344 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Nov 29 18:36:37.344 INFO [stderr]   |                         ^^^^^^^^^
Nov 29 18:36:37.344 INFO [stderr]   |
Nov 29 18:36:37.344 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 18:36:37.344 INFO [stderr] 
Nov 29 18:36:37.386 INFO [stderr] warning: unused import: `Formatter`
Nov 29 18:36:37.386 INFO [stderr]  --> src/main.rs:1:25
Nov 29 18:36:37.386 INFO [stderr]   |
Nov 29 18:36:37.386 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Nov 29 18:36:37.386 INFO [stderr]   |                         ^^^^^^^^^
Nov 29 18:36:37.386 INFO [stderr]   |
Nov 29 18:36:37.386 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 29 18:36:37.386 INFO [stderr] 
Nov 29 18:36:37.415 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:36:37.415 INFO [stderr]    --> src/main.rs:149:14
Nov 29 18:36:37.415 INFO [stderr]     |
Nov 29 18:36:37.415 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 29 18:36:37.415 INFO [stderr]     |              ----^^^^
Nov 29 18:36:37.415 INFO [stderr]     |              |
Nov 29 18:36:37.415 INFO [stderr]     |              help: remove this `mut`
Nov 29 18:36:37.415 INFO [stderr]     |
Nov 29 18:36:37.415 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 18:36:37.415 INFO [stderr] 
Nov 29 18:36:37.420 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Nov 29 18:36:37.420 INFO [stderr]   |
Nov 29 18:36:37.420 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 29 18:36:37.420 INFO [stderr] 
Nov 29 18:36:37.475 INFO [stderr] warning: variable does not need to be mutable
Nov 29 18:36:37.476 INFO [stderr]    --> src/main.rs:149:14
Nov 29 18:36:37.476 INFO [stderr]     |
Nov 29 18:36:37.476 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 29 18:36:37.476 INFO [stderr]     |              ----^^^^
Nov 29 18:36:37.476 INFO [stderr]     |              |
Nov 29 18:36:37.476 INFO [stderr]     |              help: remove this `mut`
Nov 29 18:36:37.476 INFO [stderr]     |
Nov 29 18:36:37.476 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 29 18:36:37.476 INFO [stderr] 
Nov 29 18:36:37.476 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Nov 29 18:36:37.476 INFO [stderr]   |
Nov 29 18:36:37.476 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 29 18:36:37.476 INFO [stderr] 
Nov 29 18:36:37.519 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Nov 29 18:36:37.525 INFO [stderr] su: No module specific data is present
Nov 29 18:36:37.938 INFO running `"docker" "inspect" "e950b31959038f0a63f7b70a3e9dc5ed067f7c41f0edd1bda3d828f01a548bc6"`
Nov 29 18:36:38.066 INFO running `"docker" "rm" "-f" "e950b31959038f0a63f7b70a3e9dc5ed067f7c41f0edd1bda3d828f01a548bc6"`
Nov 29 18:36:38.284 INFO [stdout] e950b31959038f0a63f7b70a3e9dc5ed067f7c41f0edd1bda3d828f01a548bc6