Nov 16 14:07:48.687 INFO testing seb-odessa/btree against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 16 14:07:48.689 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt build --frozen" "-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 16 14:07:48.852 INFO [stdout] d2d3341b3e426b9ab4ce86f4bb22560915be04baf43af8b4563892937fb24b3f
Nov 16 14:07:48.854 INFO running `"docker" "start" "-a" "d2d3341b3e426b9ab4ce86f4bb22560915be04baf43af8b4563892937fb24b3f"`
Nov 16 14:07:49.340 INFO [stderr] usermod: no changes
Nov 16 14:07:49.371 INFO [stderr]    Compiling BTree v0.1.0 (/source)
Nov 16 14:07:49.472 INFO [stderr] warning: unused import: `Formatter`
Nov 16 14:07:49.472 INFO [stderr]  --> src/main.rs:1:25
Nov 16 14:07:49.472 INFO [stderr]   |
Nov 16 14:07:49.472 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Nov 16 14:07:49.472 INFO [stderr]   |                         ^^^^^^^^^
Nov 16 14:07:49.472 INFO [stderr]   |
Nov 16 14:07:49.472 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 14:07:49.472 INFO [stderr] 
Nov 16 14:07:49.527 INFO [stderr] warning: variable does not need to be mutable
Nov 16 14:07:49.527 INFO [stderr]    --> src/main.rs:149:14
Nov 16 14:07:49.527 INFO [stderr]     |
Nov 16 14:07:49.527 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 16 14:07:49.527 INFO [stderr]     |              ----^^^^
Nov 16 14:07:49.527 INFO [stderr]     |              |
Nov 16 14:07:49.527 INFO [stderr]     |              help: remove this `mut`
Nov 16 14:07:49.527 INFO [stderr]     |
Nov 16 14:07:49.527 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 14:07:49.527 INFO [stderr] 
Nov 16 14:07:49.527 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Nov 16 14:07:49.527 INFO [stderr]   |
Nov 16 14:07:49.527 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 16 14:07:49.527 INFO [stderr] 
Nov 16 14:07:49.816 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Nov 16 14:07:49.816 INFO [stderr] su: No module specific data is present
Nov 16 14:07:50.106 INFO running `"docker" "inspect" "d2d3341b3e426b9ab4ce86f4bb22560915be04baf43af8b4563892937fb24b3f"`
Nov 16 14:07:50.161 INFO running `"docker" "rm" "-f" "d2d3341b3e426b9ab4ce86f4bb22560915be04baf43af8b4563892937fb24b3f"`
Nov 16 14:07:50.264 INFO [stdout] d2d3341b3e426b9ab4ce86f4bb22560915be04baf43af8b4563892937fb24b3f
Nov 16 14:07:50.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen --no-run" "-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 16 14:07:50.440 INFO [stdout] a4ecfa8fc5ec88358735a7a1d2e6a4fc11a8f75818fdd0e46b149908ea1537cb
Nov 16 14:07:50.448 INFO running `"docker" "start" "-a" "a4ecfa8fc5ec88358735a7a1d2e6a4fc11a8f75818fdd0e46b149908ea1537cb"`
Nov 16 14:07:51.335 INFO [stderr] usermod: no changes
Nov 16 14:07:51.383 INFO [stderr]    Compiling BTree v0.1.0 (/source)
Nov 16 14:07:51.671 INFO [stderr] warning: unused import: `Formatter`
Nov 16 14:07:51.672 INFO [stderr]  --> src/main.rs:1:25
Nov 16 14:07:51.672 INFO [stderr]   |
Nov 16 14:07:51.672 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Nov 16 14:07:51.672 INFO [stderr]   |                         ^^^^^^^^^
Nov 16 14:07:51.672 INFO [stderr]   |
Nov 16 14:07:51.672 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 14:07:51.672 INFO [stderr] 
Nov 16 14:07:51.759 INFO [stderr] warning: variable does not need to be mutable
Nov 16 14:07:51.759 INFO [stderr]    --> src/main.rs:149:14
Nov 16 14:07:51.759 INFO [stderr]     |
Nov 16 14:07:51.759 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 16 14:07:51.759 INFO [stderr]     |              ----^^^^
Nov 16 14:07:51.759 INFO [stderr]     |              |
Nov 16 14:07:51.759 INFO [stderr]     |              help: remove this `mut`
Nov 16 14:07:51.759 INFO [stderr]     |
Nov 16 14:07:51.759 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 14:07:51.759 INFO [stderr] 
Nov 16 14:07:51.759 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Nov 16 14:07:51.759 INFO [stderr]   |
Nov 16 14:07:51.759 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 16 14:07:51.759 INFO [stderr] 
Nov 16 14:07:52.049 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Nov 16 14:07:52.053 INFO [stderr] su: No module specific data is present
Nov 16 14:07:52.825 INFO running `"docker" "inspect" "a4ecfa8fc5ec88358735a7a1d2e6a4fc11a8f75818fdd0e46b149908ea1537cb"`
Nov 16 14:07:53.099 INFO running `"docker" "rm" "-f" "a4ecfa8fc5ec88358735a7a1d2e6a4fc11a8f75818fdd0e46b149908ea1537cb"`
Nov 16 14:07:53.490 INFO [stdout] a4ecfa8fc5ec88358735a7a1d2e6a4fc11a8f75818fdd0e46b149908ea1537cb
Nov 16 14:07:53.493 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-alt test --frozen" "-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 16 14:07:54.123 INFO [stdout] 53295658f7cf2fcd91b7e10e320eef5c3a7d7ee072ed943c88872814e47720bb
Nov 16 14:07:54.123 INFO running `"docker" "start" "-a" "53295658f7cf2fcd91b7e10e320eef5c3a7d7ee072ed943c88872814e47720bb"`
Nov 16 14:07:55.203 INFO [stderr] usermod: no changes
Nov 16 14:07:55.287 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Nov 16 14:07:55.287 INFO [stderr]      Running /target/debug/deps/BTree-f5b9683868deb744
Nov 16 14:07:55.288 INFO [stdout] 
Nov 16 14:07:55.288 INFO [stdout] running 0 tests
Nov 16 14:07:55.295 INFO [stdout] 
Nov 16 14:07:55.295 INFO [stderr] su: No module specific data is present
Nov 16 14:07:55.295 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 14:07:55.295 INFO [stdout] 
Nov 16 14:07:55.652 INFO running `"docker" "inspect" "53295658f7cf2fcd91b7e10e320eef5c3a7d7ee072ed943c88872814e47720bb"`
Nov 16 14:07:55.707 INFO running `"docker" "rm" "-f" "53295658f7cf2fcd91b7e10e320eef5c3a7d7ee072ed943c88872814e47720bb"`
Nov 16 14:07:55.846 INFO [stdout] 53295658f7cf2fcd91b7e10e320eef5c3a7d7ee072ed943c88872814e47720bb