Dec 13 04:02:23.730 INFO testing seb-odessa/btree against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 04:02:23.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 13 04:02:24.046 INFO [stdout] 48b46a674ad25fcff3a48ee6e8d7f86c6591db3f335ac1a9e25a990eb8a1981b
Dec 13 04:02:24.050 INFO running `"docker" "start" "-a" "48b46a674ad25fcff3a48ee6e8d7f86c6591db3f335ac1a9e25a990eb8a1981b"`
Dec 13 04:02:24.480 INFO [stderr] usermod: no changes
Dec 13 04:02:24.480 INFO [stderr]    Compiling BTree v0.1.0 (/source)
Dec 13 04:02:24.607 INFO [stderr] warning: unused import: `Formatter`
Dec 13 04:02:24.607 INFO [stderr]  --> src/main.rs:1:25
Dec 13 04:02:24.607 INFO [stderr]   |
Dec 13 04:02:24.607 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Dec 13 04:02:24.607 INFO [stderr]   |                         ^^^^^^^^^
Dec 13 04:02:24.607 INFO [stderr]   |
Dec 13 04:02:24.607 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 04:02:24.607 INFO [stderr] 
Dec 13 04:02:24.656 INFO [stderr] warning: variable does not need to be mutable
Dec 13 04:02:24.733 INFO [stderr]    --> src/main.rs:149:14
Dec 13 04:02:24.733 INFO [stderr]     |
Dec 13 04:02:24.733 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Dec 13 04:02:24.733 INFO [stderr]     |              ----^^^^
Dec 13 04:02:24.733 INFO [stderr]     |              |
Dec 13 04:02:24.733 INFO [stderr]     |              help: remove this `mut`
Dec 13 04:02:24.733 INFO [stderr]     |
Dec 13 04:02:24.733 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 04:02:24.733 INFO [stderr] 
Dec 13 04:02:24.733 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Dec 13 04:02:24.733 INFO [stderr]   |
Dec 13 04:02:24.733 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 13 04:02:24.733 INFO [stderr] 
Dec 13 04:02:24.980 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 13 04:02:24.981 INFO [stderr] su: No module specific data is present
Dec 13 04:02:25.292 INFO running `"docker" "inspect" "48b46a674ad25fcff3a48ee6e8d7f86c6591db3f335ac1a9e25a990eb8a1981b"`
Dec 13 04:02:25.357 INFO running `"docker" "rm" "-f" "48b46a674ad25fcff3a48ee6e8d7f86c6591db3f335ac1a9e25a990eb8a1981b"`
Dec 13 04:02:25.464 INFO [stdout] 48b46a674ad25fcff3a48ee6e8d7f86c6591db3f335ac1a9e25a990eb8a1981b
Dec 13 04:02:25.467 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 13 04:02:25.678 INFO [stdout] 3e94f1271b46ef21c9ba0161b2e1f8ea1e317af37ab807e73ffa8f2ac7cac60f
Dec 13 04:02:25.683 INFO running `"docker" "start" "-a" "3e94f1271b46ef21c9ba0161b2e1f8ea1e317af37ab807e73ffa8f2ac7cac60f"`
Dec 13 04:02:26.314 INFO [stderr] usermod: no changes
Dec 13 04:02:26.340 INFO [stderr]    Compiling BTree v0.1.0 (/source)
Dec 13 04:02:26.552 INFO [stderr] warning: unused import: `Formatter`
Dec 13 04:02:26.553 INFO [stderr]  --> src/main.rs:1:25
Dec 13 04:02:26.553 INFO [stderr]   |
Dec 13 04:02:26.553 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Dec 13 04:02:26.553 INFO [stderr]   |                         ^^^^^^^^^
Dec 13 04:02:26.553 INFO [stderr]   |
Dec 13 04:02:26.553 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 04:02:26.553 INFO [stderr] 
Dec 13 04:02:26.553 INFO [stderr] warning: variable does not need to be mutable
Dec 13 04:02:26.553 INFO [stderr]    --> src/main.rs:149:14
Dec 13 04:02:26.553 INFO [stderr]     |
Dec 13 04:02:26.553 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Dec 13 04:02:26.553 INFO [stderr]     |              ----^^^^
Dec 13 04:02:26.553 INFO [stderr]     |              |
Dec 13 04:02:26.553 INFO [stderr]     |              help: remove this `mut`
Dec 13 04:02:26.553 INFO [stderr]     |
Dec 13 04:02:26.553 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 13 04:02:26.553 INFO [stderr] 
Dec 13 04:02:26.553 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Dec 13 04:02:26.553 INFO [stderr]   |
Dec 13 04:02:26.553 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 13 04:02:26.553 INFO [stderr] 
Dec 13 04:02:26.901 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Dec 13 04:02:26.901 INFO [stderr] su: No module specific data is present
Dec 13 04:02:27.426 INFO running `"docker" "inspect" "3e94f1271b46ef21c9ba0161b2e1f8ea1e317af37ab807e73ffa8f2ac7cac60f"`
Dec 13 04:02:27.596 INFO running `"docker" "rm" "-f" "3e94f1271b46ef21c9ba0161b2e1f8ea1e317af37ab807e73ffa8f2ac7cac60f"`
Dec 13 04:02:27.903 INFO [stdout] 3e94f1271b46ef21c9ba0161b2e1f8ea1e317af37ab807e73ffa8f2ac7cac60f
Dec 13 04:02:27.923 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-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"`
Dec 13 04:02:28.366 INFO [stdout] 5af9baeaf92dc5e47b63da3275427989bf30c23f856afe85f287adfad9e8e5f5
Dec 13 04:02:28.373 INFO running `"docker" "start" "-a" "5af9baeaf92dc5e47b63da3275427989bf30c23f856afe85f287adfad9e8e5f5"`
Dec 13 04:02:29.417 INFO [stderr] usermod: no changes
Dec 13 04:02:29.495 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 13 04:02:29.503 INFO [stderr]      Running /target/debug/deps/BTree-e05ba4f2d880d15d
Dec 13 04:02:29.507 INFO [stdout] 
Dec 13 04:02:29.507 INFO [stdout] running 0 tests
Dec 13 04:02:29.507 INFO [stdout] 
Dec 13 04:02:29.507 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 04:02:29.507 INFO [stdout] 
Dec 13 04:02:29.512 INFO [stderr] su: No module specific data is present
Dec 13 04:02:30.365 INFO running `"docker" "inspect" "5af9baeaf92dc5e47b63da3275427989bf30c23f856afe85f287adfad9e8e5f5"`
Dec 13 04:02:30.639 INFO running `"docker" "rm" "-f" "5af9baeaf92dc5e47b63da3275427989bf30c23f856afe85f287adfad9e8e5f5"`
Dec 13 04:02:30.989 INFO [stdout] 5af9baeaf92dc5e47b63da3275427989bf30c23f856afe85f287adfad9e8e5f5