Nov 16 14:07:48.020 INFO testing seb-odessa/btree against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 14:07:48.020 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 14:07:48.202 INFO [stdout] fb41649592c753ce914bc8d13b738fd934f95a66d65dd60d4495dc68be1bf689
Nov 16 14:07:48.204 INFO running `"docker" "start" "-a" "fb41649592c753ce914bc8d13b738fd934f95a66d65dd60d4495dc68be1bf689"`
Nov 16 14:07:48.689 INFO [stderr] usermod: no changes
Nov 16 14:07:48.716 INFO [stderr]    Compiling BTree v0.1.0 (/source)
Nov 16 14:07:48.833 INFO [stderr] warning: unused import: `Formatter`
Nov 16 14:07:48.833 INFO [stderr]  --> src/main.rs:1:25
Nov 16 14:07:48.833 INFO [stderr]   |
Nov 16 14:07:48.833 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Nov 16 14:07:48.833 INFO [stderr]   |                         ^^^^^^^^^
Nov 16 14:07:48.833 INFO [stderr]   |
Nov 16 14:07:48.833 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 14:07:48.833 INFO [stderr] 
Nov 16 14:07:48.904 INFO [stderr] warning: variable does not need to be mutable
Nov 16 14:07:48.904 INFO [stderr]    --> src/main.rs:149:14
Nov 16 14:07:48.904 INFO [stderr]     |
Nov 16 14:07:48.904 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 16 14:07:48.904 INFO [stderr]     |              ----^^^^
Nov 16 14:07:48.904 INFO [stderr]     |              |
Nov 16 14:07:48.904 INFO [stderr]     |              help: remove this `mut`
Nov 16 14:07:48.904 INFO [stderr]     |
Nov 16 14:07:48.904 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 14:07:48.904 INFO [stderr] 
Nov 16 14:07:48.904 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Nov 16 14:07:48.904 INFO [stderr]   |
Nov 16 14:07:48.904 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 16 14:07:48.904 INFO [stderr] 
Nov 16 14:07:49.211 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
Nov 16 14:07:49.214 INFO [stderr] su: No module specific data is present
Nov 16 14:07:49.514 INFO running `"docker" "inspect" "fb41649592c753ce914bc8d13b738fd934f95a66d65dd60d4495dc68be1bf689"`
Nov 16 14:07:49.617 INFO running `"docker" "rm" "-f" "fb41649592c753ce914bc8d13b738fd934f95a66d65dd60d4495dc68be1bf689"`
Nov 16 14:07:49.744 INFO [stdout] fb41649592c753ce914bc8d13b738fd934f95a66d65dd60d4495dc68be1bf689
Nov 16 14:07:49.746 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 14:07:49.924 INFO [stdout] e1fe4b8464be5291cfd7089c7d7da023b900cf8083f6a2ca0e00786d5d3faf29
Nov 16 14:07:49.926 INFO running `"docker" "start" "-a" "e1fe4b8464be5291cfd7089c7d7da023b900cf8083f6a2ca0e00786d5d3faf29"`
Nov 16 14:07:50.260 INFO [stderr] usermod: no changes
Nov 16 14:07:50.286 INFO [stderr]    Compiling BTree v0.1.0 (/source)
Nov 16 14:07:50.451 INFO [stderr] warning: unused import: `Formatter`
Nov 16 14:07:50.451 INFO [stderr]  --> src/main.rs:1:25
Nov 16 14:07:50.451 INFO [stderr]   |
Nov 16 14:07:50.451 INFO [stderr] 1 | use std::fmt::{Display, Formatter};
Nov 16 14:07:50.452 INFO [stderr]   |                         ^^^^^^^^^
Nov 16 14:07:50.452 INFO [stderr]   |
Nov 16 14:07:50.452 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 16 14:07:50.452 INFO [stderr] 
Nov 16 14:07:50.527 INFO [stderr] warning: variable does not need to be mutable
Nov 16 14:07:50.528 INFO [stderr]    --> src/main.rs:149:14
Nov 16 14:07:50.528 INFO [stderr]     |
Nov 16 14:07:50.528 INFO [stderr] 149 |         Some(mut node) => node.update("Z".to_string()),
Nov 16 14:07:50.529 INFO [stderr]     |              ----^^^^
Nov 16 14:07:50.529 INFO [stderr]     |              |
Nov 16 14:07:50.529 INFO [stderr]     |              help: remove this `mut`
Nov 16 14:07:50.530 INFO [stderr]     |
Nov 16 14:07:50.530 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 16 14:07:50.530 INFO [stderr] 
Nov 16 14:07:50.530 INFO [stderr] warning: crate `BTree` should have a snake case name such as `btree`
Nov 16 14:07:50.531 INFO [stderr]   |
Nov 16 14:07:50.531 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Nov 16 14:07:50.531 INFO [stderr] 
Nov 16 14:07:50.810 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Nov 16 14:07:50.813 INFO [stderr] su: No module specific data is present
Nov 16 14:07:51.317 INFO running `"docker" "inspect" "e1fe4b8464be5291cfd7089c7d7da023b900cf8083f6a2ca0e00786d5d3faf29"`
Nov 16 14:07:51.623 INFO running `"docker" "rm" "-f" "e1fe4b8464be5291cfd7089c7d7da023b900cf8083f6a2ca0e00786d5d3faf29"`
Nov 16 14:07:51.835 INFO [stdout] e1fe4b8464be5291cfd7089c7d7da023b900cf8083f6a2ca0e00786d5d3faf29
Nov 16 14:07:51.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-2/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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 14:07:52.391 INFO [stdout] 37948aeb0bad65cd9d2b518d3f9643a0258c656986b9d73afb03abcfa25cddcc
Nov 16 14:07:52.393 INFO running `"docker" "start" "-a" "37948aeb0bad65cd9d2b518d3f9643a0258c656986b9d73afb03abcfa25cddcc"`
Nov 16 14:07:54.050 INFO [stderr] usermod: no changes
Nov 16 14:07:54.111 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 16 14:07:54.111 INFO [stderr]      Running /target/debug/deps/BTree-2eb519ad4ffb1911
Nov 16 14:07:54.123 INFO [stderr] su: No module specific data is present
Nov 16 14:07:54.123 INFO [stdout] 
Nov 16 14:07:54.123 INFO [stdout] running 0 tests
Nov 16 14:07:54.123 INFO [stdout] 
Nov 16 14:07:54.123 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 14:07:54.123 INFO [stdout] 
Nov 16 14:07:54.821 INFO running `"docker" "inspect" "37948aeb0bad65cd9d2b518d3f9643a0258c656986b9d73afb03abcfa25cddcc"`
Nov 16 14:07:55.101 INFO running `"docker" "rm" "-f" "37948aeb0bad65cd9d2b518d3f9643a0258c656986b9d73afb03abcfa25cddcc"`
Nov 16 14:07:55.287 INFO [stdout] 37948aeb0bad65cd9d2b518d3f9643a0258c656986b9d73afb03abcfa25cddcc