Oct 26 21:18:55.039 INFO checking seb-odessa/btree against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 26 21:18:55.039 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/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 +19f01b935b91481fd445b16b533d2f87661bf12e-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 21:18:55.463 INFO blam! 591c7a98af598f8530a6935f4c2d0e20830cef9c91ba6a6ee4057a58edb2b142
Oct 26 21:18:55.463 INFO running `"docker" "start" "-a" "591c7a98af598f8530a6935f4c2d0e20830cef9c91ba6a6ee4057a58edb2b142"`
Oct 26 21:18:56.696 INFO kablam! usermod: no changes
Oct 26 21:18:56.748 INFO kablam!     Checking BTree v0.1.0 (/source)
Oct 26 21:18:57.255 INFO kablam! warning: unused import: `Formatter`
Oct 26 21:18:57.255 INFO kablam!  --> src/main.rs:1:25
Oct 26 21:18:57.255 INFO kablam!   |
Oct 26 21:18:57.255 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Oct 26 21:18:57.255 INFO kablam!   |                         ^^^^^^^^^
Oct 26 21:18:57.255 INFO kablam!   |
Oct 26 21:18:57.255 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 21:18:57.255 INFO kablam! 
Oct 26 21:18:57.348 INFO kablam! warning: unused import: `Formatter`
Oct 26 21:18:57.348 INFO kablam!  --> src/main.rs:1:25
Oct 26 21:18:57.349 INFO kablam!   |
Oct 26 21:18:57.349 INFO kablam! 1 | use std::fmt::{Display, Formatter};
Oct 26 21:18:57.349 INFO kablam!   |                         ^^^^^^^^^
Oct 26 21:18:57.349 INFO kablam!   |
Oct 26 21:18:57.349 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 26 21:18:57.349 INFO kablam! 
Oct 26 21:18:57.349 INFO kablam! warning: variable does not need to be mutable
Oct 26 21:18:57.349 INFO kablam!    --> src/main.rs:149:14
Oct 26 21:18:57.349 INFO kablam!     |
Oct 26 21:18:57.349 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Oct 26 21:18:57.349 INFO kablam!     |              ----^^^^
Oct 26 21:18:57.349 INFO kablam!     |              |
Oct 26 21:18:57.349 INFO kablam!     |              help: remove this `mut`
Oct 26 21:18:57.349 INFO kablam!     |
Oct 26 21:18:57.349 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 26 21:18:57.349 INFO kablam! 
Oct 26 21:18:57.349 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Oct 26 21:18:57.349 INFO kablam!   |
Oct 26 21:18:57.349 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 26 21:18:57.349 INFO kablam! 
Oct 26 21:18:57.415 INFO kablam! warning: variable does not need to be mutable
Oct 26 21:18:57.415 INFO kablam!    --> src/main.rs:149:14
Oct 26 21:18:57.415 INFO kablam!     |
Oct 26 21:18:57.415 INFO kablam! 149 |         Some(mut node) => node.update("Z".to_string()),
Oct 26 21:18:57.415 INFO kablam!     |              ----^^^^
Oct 26 21:18:57.415 INFO kablam!     |              |
Oct 26 21:18:57.415 INFO kablam!     |              help: remove this `mut`
Oct 26 21:18:57.415 INFO kablam!     |
Oct 26 21:18:57.415 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 26 21:18:57.415 INFO kablam! 
Oct 26 21:18:57.415 INFO kablam! warning: crate `BTree` should have a snake case name such as `btree`
Oct 26 21:18:57.416 INFO kablam!   |
Oct 26 21:18:57.416 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 26 21:18:57.416 INFO kablam! 
Oct 26 21:18:57.439 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Oct 26 21:18:57.439 INFO kablam! su: No module specific data is present
Oct 26 21:18:57.757 INFO running `"docker" "rm" "-f" "591c7a98af598f8530a6935f4c2d0e20830cef9c91ba6a6ee4057a58edb2b142"`
Oct 26 21:18:57.931 INFO blam! 591c7a98af598f8530a6935f4c2d0e20830cef9c91ba6a6ee4057a58edb2b142