Nov 27 20:49:45.191 INFO checking seb-odessa/btree against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074 Nov 27 20:49:45.191 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-0/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 27 20:49:45.399 INFO [stdout] 2b54d40e4ab5dbec444bc4f05e4d87b59c5491e0a39a65581a78e7ff7ac27145 Nov 27 20:49:45.399 INFO running `"docker" "start" "-a" "2b54d40e4ab5dbec444bc4f05e4d87b59c5491e0a39a65581a78e7ff7ac27145"` Nov 27 20:49:46.491 INFO [stderr] usermod: no changes Nov 27 20:49:46.560 INFO [stderr] Checking BTree v0.1.0 (/source) Nov 27 20:49:46.744 INFO [stderr] warning: unused import: `Formatter` Nov 27 20:49:46.744 INFO [stderr] --> src/main.rs:1:25 Nov 27 20:49:46.744 INFO [stderr] | Nov 27 20:49:46.744 INFO [stderr] 1 | use std::fmt::{Display, Formatter}; Nov 27 20:49:46.744 INFO [stderr] | ^^^^^^^^^ Nov 27 20:49:46.744 INFO [stderr] | Nov 27 20:49:46.744 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 27 20:49:46.744 INFO [stderr] Nov 27 20:49:46.816 INFO [stderr] warning: unused import: `Formatter` Nov 27 20:49:46.816 INFO [stderr] --> src/main.rs:1:25 Nov 27 20:49:46.816 INFO [stderr] | Nov 27 20:49:46.816 INFO [stderr] 1 | use std::fmt::{Display, Formatter}; Nov 27 20:49:46.816 INFO [stderr] | ^^^^^^^^^ Nov 27 20:49:46.816 INFO [stderr] | Nov 27 20:49:46.816 INFO [stderr] = note: #[warn(unused_imports)] on by default Nov 27 20:49:46.816 INFO [stderr] Nov 27 20:49:46.819 INFO [stderr] warning: variable does not need to be mutable Nov 27 20:49:46.819 INFO [stderr] --> src/main.rs:149:14 Nov 27 20:49:46.819 INFO [stderr] | Nov 27 20:49:46.819 INFO [stderr] 149 | Some(mut node) => node.update("Z".to_string()), Nov 27 20:49:46.819 INFO [stderr] | ----^^^^ Nov 27 20:49:46.819 INFO [stderr] | | Nov 27 20:49:46.819 INFO [stderr] | help: remove this `mut` Nov 27 20:49:46.819 INFO [stderr] | Nov 27 20:49:46.819 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 27 20:49:46.819 INFO [stderr] Nov 27 20:49:46.819 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree` Nov 27 20:49:46.819 INFO [stderr] | Nov 27 20:49:46.819 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 27 20:49:46.819 INFO [stderr] Nov 27 20:49:46.881 INFO [stderr] warning: variable does not need to be mutable Nov 27 20:49:46.881 INFO [stderr] --> src/main.rs:149:14 Nov 27 20:49:46.881 INFO [stderr] | Nov 27 20:49:46.881 INFO [stderr] 149 | Some(mut node) => node.update("Z".to_string()), Nov 27 20:49:46.881 INFO [stderr] | ----^^^^ Nov 27 20:49:46.881 INFO [stderr] | | Nov 27 20:49:46.881 INFO [stderr] | help: remove this `mut` Nov 27 20:49:46.881 INFO [stderr] | Nov 27 20:49:46.881 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 27 20:49:46.881 INFO [stderr] Nov 27 20:49:46.881 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree` Nov 27 20:49:46.881 INFO [stderr] | Nov 27 20:49:46.881 INFO [stderr] = note: #[warn(non_snake_case)] on by default Nov 27 20:49:46.881 INFO [stderr] Nov 27 20:49:46.898 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.37s Nov 27 20:49:46.901 INFO [stderr] su: No module specific data is present Nov 27 20:49:47.550 INFO running `"docker" "inspect" "2b54d40e4ab5dbec444bc4f05e4d87b59c5491e0a39a65581a78e7ff7ac27145"` Nov 27 20:49:47.830 INFO running `"docker" "rm" "-f" "2b54d40e4ab5dbec444bc4f05e4d87b59c5491e0a39a65581a78e7ff7ac27145"` Nov 27 20:49:48.080 INFO [stdout] 2b54d40e4ab5dbec444bc4f05e4d87b59c5491e0a39a65581a78e7ff7ac27145