Dec 13 05:19:41.818 INFO testing ruggeri/nedbase against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 05:19:41.818 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 05:19:42.496 INFO [stdout] a04d1c1a9f637223ac1ab31caba6a405eeea23528d7b702051c2d2f9a00843b6
Dec 13 05:19:42.499 INFO running `"docker" "start" "-a" "a04d1c1a9f637223ac1ab31caba6a405eeea23528d7b702051c2d2f9a00843b6"`
Dec 13 05:19:43.684 INFO [stderr] usermod: no changes
Dec 13 05:19:43.787 INFO [stderr]    Compiling syn v0.15.22
Dec 13 05:19:59.855 INFO [stderr]    Compiling rental-impl v0.5.2
Dec 13 05:20:16.689 INFO [stderr]    Compiling rental v0.5.2
Dec 13 05:20:18.499 INFO [stderr]    Compiling nedbase v0.1.0 (/source)
Dec 13 05:20:19.665 INFO [stderr] warning: method is never used: `len`
Dec 13 05:20:19.665 INFO [stderr]   --> src/locking/reading/read_guard_path.rs:23:3
Dec 13 05:20:19.665 INFO [stderr]    |
Dec 13 05:20:19.665 INFO [stderr] 23 |   pub fn len(&self) -> usize {
Dec 13 05:20:19.665 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 05:20:19.665 INFO [stderr]    |
Dec 13 05:20:19.665 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 05:20:19.665 INFO [stderr] 
Dec 13 05:20:19.665 INFO [stderr] warning: method is never used: `peek_head_lock`
Dec 13 05:20:19.665 INFO [stderr]   --> src/locking/reading/read_guard_path.rs:31:3
Dec 13 05:20:19.665 INFO [stderr]    |
Dec 13 05:20:19.665 INFO [stderr] 31 |   pub fn peek_head_lock(&self, msg: &'static str) -> &ReadGuard {
Dec 13 05:20:19.665 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 05:20:19.665 INFO [stderr] 
Dec 13 05:20:21.491 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.77s
Dec 13 05:20:21.491 INFO [stderr] su: No module specific data is present
Dec 13 05:20:22.060 INFO running `"docker" "inspect" "a04d1c1a9f637223ac1ab31caba6a405eeea23528d7b702051c2d2f9a00843b6"`
Dec 13 05:20:22.367 INFO running `"docker" "rm" "-f" "a04d1c1a9f637223ac1ab31caba6a405eeea23528d7b702051c2d2f9a00843b6"`
Dec 13 05:20:22.662 INFO [stdout] a04d1c1a9f637223ac1ab31caba6a405eeea23528d7b702051c2d2f9a00843b6
Dec 13 05:20:22.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 05:20:23.206 INFO [stdout] 561fb466cae68b4c8b33db4ef4316ccfceacbeb2a521e9e97049265b60d676c5
Dec 13 05:20:23.219 INFO running `"docker" "start" "-a" "561fb466cae68b4c8b33db4ef4316ccfceacbeb2a521e9e97049265b60d676c5"`
Dec 13 05:20:24.099 INFO [stderr] usermod: no changes
Dec 13 05:20:24.270 INFO [stderr]    Compiling nedbase v0.1.0 (/source)
Dec 13 05:20:25.784 INFO [stderr] warning: method is never used: `len`
Dec 13 05:20:25.784 INFO [stderr]   --> src/locking/reading/read_guard_path.rs:23:3
Dec 13 05:20:25.784 INFO [stderr]    |
Dec 13 05:20:25.784 INFO [stderr] 23 |   pub fn len(&self) -> usize {
Dec 13 05:20:25.784 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 05:20:25.784 INFO [stderr]    |
Dec 13 05:20:25.784 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 05:20:25.784 INFO [stderr] 
Dec 13 05:20:25.784 INFO [stderr] warning: method is never used: `peek_head_lock`
Dec 13 05:20:25.784 INFO [stderr]   --> src/locking/reading/read_guard_path.rs:31:3
Dec 13 05:20:25.784 INFO [stderr]    |
Dec 13 05:20:25.784 INFO [stderr] 31 |   pub fn peek_head_lock(&self, msg: &'static str) -> &ReadGuard {
Dec 13 05:20:25.784 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 05:20:25.784 INFO [stderr] 
Dec 13 05:20:26.122 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.99s
Dec 13 05:20:26.134 INFO [stderr] su: No module specific data is present
Dec 13 05:20:26.473 INFO running `"docker" "inspect" "561fb466cae68b4c8b33db4ef4316ccfceacbeb2a521e9e97049265b60d676c5"`
Dec 13 05:20:26.819 INFO running `"docker" "rm" "-f" "561fb466cae68b4c8b33db4ef4316ccfceacbeb2a521e9e97049265b60d676c5"`
Dec 13 05:20:27.039 INFO [stdout] 561fb466cae68b4c8b33db4ef4316ccfceacbeb2a521e9e97049265b60d676c5
Dec 13 05:20:27.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 05:20:27.535 INFO [stdout] 8ec2362ad862d7075ba38254cb63387e5178ebfb6f3979eef20ba78f9ae8e9ee
Dec 13 05:20:27.543 INFO running `"docker" "start" "-a" "8ec2362ad862d7075ba38254cb63387e5178ebfb6f3979eef20ba78f9ae8e9ee"`
Dec 13 05:20:28.416 INFO [stderr] usermod: no changes
Dec 13 05:20:28.514 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Dec 13 05:20:28.530 INFO [stderr]      Running /target/debug/deps/nedbase-74306123888a4a4c
Dec 13 05:20:28.537 INFO [stdout] 
Dec 13 05:20:28.537 INFO [stdout] running 0 tests
Dec 13 05:20:28.537 INFO [stdout] 
Dec 13 05:20:28.537 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 05:20:28.537 INFO [stdout] 
Dec 13 05:20:28.537 INFO [stderr]      Running /target/debug/deps/main-ff203b48ce83ab29
Dec 13 05:20:28.539 INFO [stderr]    Doc-tests nedbase
Dec 13 05:20:28.539 INFO [stdout] 
Dec 13 05:20:28.539 INFO [stdout] running 0 tests
Dec 13 05:20:28.539 INFO [stdout] 
Dec 13 05:20:28.539 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 05:20:28.539 INFO [stdout] 
Dec 13 05:20:29.491 INFO [stdout] 
Dec 13 05:20:29.491 INFO [stdout] running 0 tests
Dec 13 05:20:29.491 INFO [stdout] 
Dec 13 05:20:29.491 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 05:20:29.491 INFO [stdout] 
Dec 13 05:20:29.499 INFO [stderr] su: No module specific data is present
Dec 13 05:20:29.930 INFO running `"docker" "inspect" "8ec2362ad862d7075ba38254cb63387e5178ebfb6f3979eef20ba78f9ae8e9ee"`
Dec 13 05:20:30.087 INFO running `"docker" "rm" "-f" "8ec2362ad862d7075ba38254cb63387e5178ebfb6f3979eef20ba78f9ae8e9ee"`
Dec 13 05:20:30.224 INFO [stdout] 8ec2362ad862d7075ba38254cb63387e5178ebfb6f3979eef20ba78f9ae8e9ee