Dec 13 05:19:48.850 INFO testing ruggeri/nedbase against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 05:19:48.850 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 05:19:49.351 INFO [stdout] 6d27f9aab3dc01bb5150ee314429ef5e79a28568ebf2dffad440b0c746d33329
Dec 13 05:19:49.351 INFO running `"docker" "start" "-a" "6d27f9aab3dc01bb5150ee314429ef5e79a28568ebf2dffad440b0c746d33329"`
Dec 13 05:19:51.092 INFO [stderr] usermod: no changes
Dec 13 05:19:51.299 INFO [stderr]    Compiling syn v0.15.22
Dec 13 05:20:06.595 INFO [stderr]    Compiling rental-impl v0.5.2
Dec 13 05:20:21.192 INFO [stderr]    Compiling rental v0.5.2
Dec 13 05:20:22.995 INFO [stderr]    Compiling nedbase v0.1.0 (/source)
Dec 13 05:20:24.271 INFO [stderr] warning: method is never used: `len`
Dec 13 05:20:24.271 INFO [stderr]   --> src/locking/reading/read_guard_path.rs:23:3
Dec 13 05:20:24.271 INFO [stderr]    |
Dec 13 05:20:24.271 INFO [stderr] 23 |   pub fn len(&self) -> usize {
Dec 13 05:20:24.271 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 05:20:24.271 INFO [stderr]    |
Dec 13 05:20:24.271 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 05:20:24.271 INFO [stderr] 
Dec 13 05:20:24.271 INFO [stderr] warning: method is never used: `peek_head_lock`
Dec 13 05:20:24.271 INFO [stderr]   --> src/locking/reading/read_guard_path.rs:31:3
Dec 13 05:20:24.271 INFO [stderr]    |
Dec 13 05:20:24.271 INFO [stderr] 31 |   pub fn peek_head_lock(&self, msg: &'static str) -> &ReadGuard {
Dec 13 05:20:24.271 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 05:20:24.271 INFO [stderr] 
Dec 13 05:20:26.738 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.51s
Dec 13 05:20:26.738 INFO [stderr] su: No module specific data is present
Dec 13 05:20:27.302 INFO running `"docker" "inspect" "6d27f9aab3dc01bb5150ee314429ef5e79a28568ebf2dffad440b0c746d33329"`
Dec 13 05:20:27.642 INFO running `"docker" "rm" "-f" "6d27f9aab3dc01bb5150ee314429ef5e79a28568ebf2dffad440b0c746d33329"`
Dec 13 05:20:27.957 INFO [stdout] 6d27f9aab3dc01bb5150ee314429ef5e79a28568ebf2dffad440b0c746d33329
Dec 13 05:20:27.958 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 05:20:28.302 INFO [stdout] 5112baeb5e2e41e7fc4bc3c29131ae50085c395b1c9b281861568d68262e0ac6
Dec 13 05:20:28.303 INFO running `"docker" "start" "-a" "5112baeb5e2e41e7fc4bc3c29131ae50085c395b1c9b281861568d68262e0ac6"`
Dec 13 05:20:28.911 INFO [stderr] usermod: no changes
Dec 13 05:20:28.999 INFO [stderr]    Compiling nedbase v0.1.0 (/source)
Dec 13 05:20:30.131 INFO [stderr] warning: method is never used: `len`
Dec 13 05:20:30.131 INFO [stderr]   --> src/locking/reading/read_guard_path.rs:23:3
Dec 13 05:20:30.131 INFO [stderr]    |
Dec 13 05:20:30.131 INFO [stderr] 23 |   pub fn len(&self) -> usize {
Dec 13 05:20:30.131 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 05:20:30.131 INFO [stderr]    |
Dec 13 05:20:30.131 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 05:20:30.131 INFO [stderr] 
Dec 13 05:20:30.131 INFO [stderr] warning: method is never used: `peek_head_lock`
Dec 13 05:20:30.131 INFO [stderr]   --> src/locking/reading/read_guard_path.rs:31:3
Dec 13 05:20:30.131 INFO [stderr]    |
Dec 13 05:20:30.131 INFO [stderr] 31 |   pub fn peek_head_lock(&self, msg: &'static str) -> &ReadGuard {
Dec 13 05:20:30.131 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 05:20:30.131 INFO [stderr] 
Dec 13 05:20:30.414 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
Dec 13 05:20:30.420 INFO [stderr] su: No module specific data is present
Dec 13 05:20:30.726 INFO running `"docker" "inspect" "5112baeb5e2e41e7fc4bc3c29131ae50085c395b1c9b281861568d68262e0ac6"`
Dec 13 05:20:30.812 INFO running `"docker" "rm" "-f" "5112baeb5e2e41e7fc4bc3c29131ae50085c395b1c9b281861568d68262e0ac6"`
Dec 13 05:20:30.896 INFO [stdout] 5112baeb5e2e41e7fc4bc3c29131ae50085c395b1c9b281861568d68262e0ac6
Dec 13 05:20:30.903 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-6/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 05:20:31.139 INFO [stdout] 6af26a383fd8d6fba71675bf5511e0ebd4e58cedeb95dcd7beea18882b5feb0d
Dec 13 05:20:31.141 INFO running `"docker" "start" "-a" "6af26a383fd8d6fba71675bf5511e0ebd4e58cedeb95dcd7beea18882b5feb0d"`
Dec 13 05:20:31.635 INFO [stderr] usermod: no changes
Dec 13 05:20:31.694 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 13 05:20:31.709 INFO [stderr]      Running /target/debug/deps/nedbase-ca5377844fb2456f
Dec 13 05:20:31.719 INFO [stderr]      Running /target/debug/deps/main-27a70d96e0d6ea1f
Dec 13 05:20:31.719 INFO [stdout] 
Dec 13 05:20:31.719 INFO [stdout] running 0 tests
Dec 13 05:20:31.719 INFO [stdout] 
Dec 13 05:20:31.719 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 05:20:31.719 INFO [stdout] 
Dec 13 05:20:31.725 INFO [stdout] 
Dec 13 05:20:31.725 INFO [stderr]    Doc-tests nedbase
Dec 13 05:20:31.725 INFO [stdout] running 0 tests
Dec 13 05:20:31.725 INFO [stdout] 
Dec 13 05:20:31.725 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 05:20:31.725 INFO [stdout] 
Dec 13 05:20:32.623 INFO [stdout] 
Dec 13 05:20:32.623 INFO [stdout] running 0 tests
Dec 13 05:20:32.623 INFO [stdout] 
Dec 13 05:20:32.623 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 05:20:32.623 INFO [stdout] 
Dec 13 05:20:32.635 INFO [stderr] su: No module specific data is present
Dec 13 05:20:33.228 INFO running `"docker" "inspect" "6af26a383fd8d6fba71675bf5511e0ebd4e58cedeb95dcd7beea18882b5feb0d"`
Dec 13 05:20:33.476 INFO running `"docker" "rm" "-f" "6af26a383fd8d6fba71675bf5511e0ebd4e58cedeb95dcd7beea18882b5feb0d"`
Dec 13 05:20:33.838 INFO [stdout] 6af26a383fd8d6fba71675bf5511e0ebd4e58cedeb95dcd7beea18882b5feb0d