Dec 05 08:09:12.443 INFO testing seb-odessa/btree against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 08:09:12.443 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 08:09:12.858 INFO [stdout] f73b71b17a3d0ad89fd1e2d3732ecd3ada3019f65dc8f7d9ca5dbcc0b9b1a7c8
Dec 05 08:09:12.864 INFO running `"docker" "start" "-a" "f73b71b17a3d0ad89fd1e2d3732ecd3ada3019f65dc8f7d9ca5dbcc0b9b1a7c8"`
Dec 05 08:09:13.952 INFO [stderr] usermod: no changes
Dec 05 08:09:13.984 INFO [stderr]    Compiling BTree v0.1.0 (/source)
Dec 05 08:09:14.138 INFO [stderr] warning: unused import: `Formatter`
Dec 05 08:09:14.138 INFO [stderr]  --> src/main.rs:1:25
Dec 05 08:09:14.138 INFO [stderr]   |
Dec 05 08:09:14.138 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Dec 05 08:09:14.138 INFO [stderr]   |                         ^^^^^^^^^
Dec 05 08:09:14.138 INFO [stderr]   |
Dec 05 08:09:14.138 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 08:09:14.138 INFO [stderr] 
Dec 05 08:09:14.189 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:09:14.189 INFO [stderr]    --> src/main.rs:149:14
Dec 05 08:09:14.189 INFO [stderr]     |
Dec 05 08:09:14.189 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Dec 05 08:09:14.189 INFO [stderr]     |              ----^^^^
Dec 05 08:09:14.189 INFO [stderr]     |              |
Dec 05 08:09:14.189 INFO [stderr]     |              help: remove this `mut`
Dec 05 08:09:14.189 INFO [stderr]     |
Dec 05 08:09:14.189 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 08:09:14.189 INFO [stderr] 
Dec 05 08:09:14.189 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Dec 05 08:09:14.189 INFO [stderr]   |
Dec 05 08:09:14.189 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 05 08:09:14.189 INFO [stderr] 
Dec 05 08:09:14.652 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 05 08:09:14.652 INFO [stderr] su: No module specific data is present
Dec 05 08:09:15.056 INFO running `"docker" "inspect" "f73b71b17a3d0ad89fd1e2d3732ecd3ada3019f65dc8f7d9ca5dbcc0b9b1a7c8"`
Dec 05 08:09:15.150 INFO running `"docker" "rm" "-f" "f73b71b17a3d0ad89fd1e2d3732ecd3ada3019f65dc8f7d9ca5dbcc0b9b1a7c8"`
Dec 05 08:09:15.218 INFO [stdout] f73b71b17a3d0ad89fd1e2d3732ecd3ada3019f65dc8f7d9ca5dbcc0b9b1a7c8
Dec 05 08:09:15.220 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 08:09:15.361 INFO [stdout] b8df4e1d9a7a7704a11e423319274c61006c5c538e6a603e4b9b468524aff466
Dec 05 08:09:15.363 INFO running `"docker" "start" "-a" "b8df4e1d9a7a7704a11e423319274c61006c5c538e6a603e4b9b468524aff466"`
Dec 05 08:09:15.765 INFO [stderr] usermod: no changes
Dec 05 08:09:15.786 INFO [stderr]    Compiling BTree v0.1.0 (/source)
Dec 05 08:09:15.964 INFO [stderr] warning: unused import: `Formatter`
Dec 05 08:09:15.964 INFO [stderr]  --> src/main.rs:1:25
Dec 05 08:09:15.964 INFO [stderr]   |
Dec 05 08:09:15.964 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Dec 05 08:09:15.964 INFO [stderr]   |                         ^^^^^^^^^
Dec 05 08:09:15.964 INFO [stderr]   |
Dec 05 08:09:15.964 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 08:09:15.964 INFO [stderr] 
Dec 05 08:09:16.024 INFO [stderr] warning: variable does not need to be mutable
Dec 05 08:09:16.024 INFO [stderr]    --> src/main.rs:149:14
Dec 05 08:09:16.024 INFO [stderr]     |
Dec 05 08:09:16.024 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Dec 05 08:09:16.024 INFO [stderr]     |              ----^^^^
Dec 05 08:09:16.024 INFO [stderr]     |              |
Dec 05 08:09:16.024 INFO [stderr]     |              help: remove this `mut`
Dec 05 08:09:16.024 INFO [stderr]     |
Dec 05 08:09:16.024 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 05 08:09:16.024 INFO [stderr] 
Dec 05 08:09:16.024 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Dec 05 08:09:16.024 INFO [stderr]   |
Dec 05 08:09:16.024 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 05 08:09:16.024 INFO [stderr] 
Dec 05 08:09:16.243 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 05 08:09:16.243 INFO [stderr] su: No module specific data is present
Dec 05 08:09:16.750 INFO running `"docker" "inspect" "b8df4e1d9a7a7704a11e423319274c61006c5c538e6a603e4b9b468524aff466"`
Dec 05 08:09:17.038 INFO running `"docker" "rm" "-f" "b8df4e1d9a7a7704a11e423319274c61006c5c538e6a603e4b9b468524aff466"`
Dec 05 08:09:17.348 INFO [stdout] b8df4e1d9a7a7704a11e423319274c61006c5c538e6a603e4b9b468524aff466
Dec 05 08:09:17.354 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 05 08:09:17.700 INFO [stdout] f4856aa57e3d35911847265f09cd6559062cb7efe16d8a4ded81fd64c224b5fe
Dec 05 08:09:17.706 INFO running `"docker" "start" "-a" "f4856aa57e3d35911847265f09cd6559062cb7efe16d8a4ded81fd64c224b5fe"`
Dec 05 08:09:18.636 INFO [stderr] usermod: no changes
Dec 05 08:09:18.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 08:09:18.684 INFO [stderr]      Running /target/debug/deps/BTree-eda24f633c712d44
Dec 05 08:09:18.689 INFO [stdout] 
Dec 05 08:09:18.689 INFO [stdout] running 0 tests
Dec 05 08:09:18.689 INFO [stdout] 
Dec 05 08:09:18.689 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 08:09:18.689 INFO [stdout] 
Dec 05 08:09:18.693 INFO [stderr] su: No module specific data is present
Dec 05 08:09:19.278 INFO running `"docker" "inspect" "f4856aa57e3d35911847265f09cd6559062cb7efe16d8a4ded81fd64c224b5fe"`
Dec 05 08:09:19.562 INFO running `"docker" "rm" "-f" "f4856aa57e3d35911847265f09cd6559062cb7efe16d8a4ded81fd64c224b5fe"`
Dec 05 08:09:19.852 INFO [stdout] f4856aa57e3d35911847265f09cd6559062cb7efe16d8a4ded81fd64c224b5fe