Dec 04 10:33:09.841 INFO checking seb-odessa/btree against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:33:09.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 10:33:10.013 INFO [stdout] fec0783e48e1f86e98418ae00cce6a6d203758bd6f3e46d9f1005d3b3a2e181f
Dec 04 10:33:10.016 INFO running `"docker" "start" "-a" "fec0783e48e1f86e98418ae00cce6a6d203758bd6f3e46d9f1005d3b3a2e181f"`
Dec 04 10:33:10.472 INFO [stderr] usermod: no changes
Dec 04 10:33:10.509 INFO [stderr]     Checking BTree v0.1.0 (/source)
Dec 04 10:33:10.649 INFO [stderr] warning: unused import: `Formatter`
Dec 04 10:33:10.649 INFO [stderr]  --> src/main.rs:1:25
Dec 04 10:33:10.649 INFO [stderr]   |
Dec 04 10:33:10.649 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Dec 04 10:33:10.649 INFO [stderr]   |                         ^^^^^^^^^
Dec 04 10:33:10.649 INFO [stderr]   |
Dec 04 10:33:10.649 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:33:10.649 INFO [stderr] 
Dec 04 10:33:10.676 INFO [stderr] warning: unused import: `Formatter`
Dec 04 10:33:10.676 INFO [stderr]  --> src/main.rs:1:25
Dec 04 10:33:10.676 INFO [stderr]   |
Dec 04 10:33:10.676 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Dec 04 10:33:10.676 INFO [stderr]   |                         ^^^^^^^^^
Dec 04 10:33:10.676 INFO [stderr]   |
Dec 04 10:33:10.676 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 10:33:10.676 INFO [stderr] 
Dec 04 10:33:10.704 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:33:10.704 INFO [stderr]    --> src/main.rs:149:14
Dec 04 10:33:10.704 INFO [stderr]     |
Dec 04 10:33:10.704 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Dec 04 10:33:10.704 INFO [stderr]     |              ----^^^^
Dec 04 10:33:10.704 INFO [stderr]     |              |
Dec 04 10:33:10.704 INFO [stderr]     |              help: remove this `mut`
Dec 04 10:33:10.704 INFO [stderr]     |
Dec 04 10:33:10.704 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 10:33:10.704 INFO [stderr] 
Dec 04 10:33:10.706 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Dec 04 10:33:10.706 INFO [stderr]   |
Dec 04 10:33:10.706 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 10:33:10.706 INFO [stderr] 
Dec 04 10:33:10.730 INFO [stderr] warning: variable does not need to be mutable
Dec 04 10:33:10.730 INFO [stderr]    --> src/main.rs:149:14
Dec 04 10:33:10.730 INFO [stderr]     |
Dec 04 10:33:10.730 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Dec 04 10:33:10.730 INFO [stderr]     |              ----^^^^
Dec 04 10:33:10.730 INFO [stderr]     |              |
Dec 04 10:33:10.730 INFO [stderr]     |              help: remove this `mut`
Dec 04 10:33:10.730 INFO [stderr]     |
Dec 04 10:33:10.730 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 10:33:10.730 INFO [stderr] 
Dec 04 10:33:10.730 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Dec 04 10:33:10.730 INFO [stderr]   |
Dec 04 10:33:10.730 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 10:33:10.730 INFO [stderr] 
Dec 04 10:33:10.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
Dec 04 10:33:10.755 INFO [stderr] su: No module specific data is present
Dec 04 10:33:11.041 INFO running `"docker" "inspect" "fec0783e48e1f86e98418ae00cce6a6d203758bd6f3e46d9f1005d3b3a2e181f"`
Dec 04 10:33:11.153 INFO running `"docker" "rm" "-f" "fec0783e48e1f86e98418ae00cce6a6d203758bd6f3e46d9f1005d3b3a2e181f"`
Dec 04 10:33:11.287 INFO [stdout] fec0783e48e1f86e98418ae00cce6a6d203758bd6f3e46d9f1005d3b3a2e181f