Dec 05 07:18:04.337 INFO testing singaraiona/slab against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 07:18:04.337 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07:18:04.684 INFO [stdout] 50b66454c7eeac2e30113e521c4d0447a09c80d6bed39e83897bf53e412174b5
Dec 05 07:18:04.686 INFO running `"docker" "start" "-a" "50b66454c7eeac2e30113e521c4d0447a09c80d6bed39e83897bf53e412174b5"`
Dec 05 07:18:05.524 INFO [stderr] usermod: no changes
Dec 05 07:18:05.588 INFO [stderr]    Compiling slab v0.1.0 (/source)
Dec 05 07:18:05.816 INFO [stderr] warning: unused import: `std::fmt`
Dec 05 07:18:05.816 INFO [stderr]  --> src/heap.rs:1:5
Dec 05 07:18:05.816 INFO [stderr]   |
Dec 05 07:18:05.816 INFO [stderr] 1 | use std::fmt;
Dec 05 07:18:05.816 INFO [stderr]   |     ^^^^^^^^
Dec 05 07:18:05.816 INFO [stderr]   |
Dec 05 07:18:05.816 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 07:18:05.816 INFO [stderr] 
Dec 05 07:18:05.816 INFO [stderr] warning: unused import: `Level`
Dec 05 07:18:05.816 INFO [stderr]  --> src/main.rs:4:16
Dec 05 07:18:05.816 INFO [stderr]   |
Dec 05 07:18:05.816 INFO [stderr] 4 | use env::{AST, Level, Environment};
Dec 05 07:18:05.816 INFO [stderr]   |                ^^^^^
Dec 05 07:18:05.816 INFO [stderr] 
Dec 05 07:18:05.900 INFO [stderr] warning: function is never used: `str2key`
Dec 05 07:18:05.900 INFO [stderr]  --> src/main.rs:7:1
Dec 05 07:18:05.900 INFO [stderr]   |
Dec 05 07:18:05.900 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Dec 05 07:18:05.900 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:18:05.900 INFO [stderr]   |
Dec 05 07:18:05.900 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 07:18:05.900 INFO [stderr] 
Dec 05 07:18:05.900 INFO [stderr] warning: function is never used: `test_env`
Dec 05 07:18:05.900 INFO [stderr]   --> src/main.rs:16:1
Dec 05 07:18:05.900 INFO [stderr]    |
Dec 05 07:18:05.900 INFO [stderr] 16 | fn test_env() {
Dec 05 07:18:05.900 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 05 07:18:05.900 INFO [stderr] 
Dec 05 07:18:06.304 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 05 07:18:06.316 INFO [stderr] su: No module specific data is present
Dec 05 07:18:06.954 INFO running `"docker" "inspect" "50b66454c7eeac2e30113e521c4d0447a09c80d6bed39e83897bf53e412174b5"`
Dec 05 07:18:07.254 INFO running `"docker" "rm" "-f" "50b66454c7eeac2e30113e521c4d0447a09c80d6bed39e83897bf53e412174b5"`
Dec 05 07:18:07.481 INFO [stdout] 50b66454c7eeac2e30113e521c4d0447a09c80d6bed39e83897bf53e412174b5
Dec 05 07:18:07.486 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07:18:07.904 INFO [stdout] 254ecb446b88f8bdec8734b5fb4b4d9e30605e10e07f1232457aa3366d6e852e
Dec 05 07:18:07.912 INFO running `"docker" "start" "-a" "254ecb446b88f8bdec8734b5fb4b4d9e30605e10e07f1232457aa3366d6e852e"`
Dec 05 07:18:08.881 INFO [stderr] usermod: no changes
Dec 05 07:18:08.928 INFO [stderr]    Compiling slab v0.1.0 (/source)
Dec 05 07:18:09.108 INFO [stderr] warning: unused import: `std::fmt`
Dec 05 07:18:09.108 INFO [stderr]  --> src/heap.rs:1:5
Dec 05 07:18:09.108 INFO [stderr]   |
Dec 05 07:18:09.108 INFO [stderr] 1 | use std::fmt;
Dec 05 07:18:09.108 INFO [stderr]   |     ^^^^^^^^
Dec 05 07:18:09.108 INFO [stderr]   |
Dec 05 07:18:09.108 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 07:18:09.108 INFO [stderr] 
Dec 05 07:18:09.108 INFO [stderr] warning: unused import: `Level`
Dec 05 07:18:09.108 INFO [stderr]  --> src/main.rs:4:16
Dec 05 07:18:09.108 INFO [stderr]   |
Dec 05 07:18:09.108 INFO [stderr] 4 | use env::{AST, Level, Environment};
Dec 05 07:18:09.108 INFO [stderr]   |                ^^^^^
Dec 05 07:18:09.108 INFO [stderr] 
Dec 05 07:18:09.228 INFO [stderr] warning: function is never used: `str2key`
Dec 05 07:18:09.228 INFO [stderr]  --> src/main.rs:7:1
Dec 05 07:18:09.228 INFO [stderr]   |
Dec 05 07:18:09.228 INFO [stderr] 7 | fn str2key(s: String) -> [u8; 16] {
Dec 05 07:18:09.228 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:18:09.228 INFO [stderr]   |
Dec 05 07:18:09.228 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 05 07:18:09.228 INFO [stderr] 
Dec 05 07:18:09.228 INFO [stderr] warning: function is never used: `test_env`
Dec 05 07:18:09.228 INFO [stderr]   --> src/main.rs:16:1
Dec 05 07:18:09.228 INFO [stderr]    |
Dec 05 07:18:09.228 INFO [stderr] 16 | fn test_env() {
Dec 05 07:18:09.228 INFO [stderr]    | ^^^^^^^^^^^^^
Dec 05 07:18:09.228 INFO [stderr] 
Dec 05 07:18:09.500 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 05 07:18:09.508 INFO [stderr] su: No module specific data is present
Dec 05 07:18:10.068 INFO running `"docker" "inspect" "254ecb446b88f8bdec8734b5fb4b4d9e30605e10e07f1232457aa3366d6e852e"`
Dec 05 07:18:10.394 INFO running `"docker" "rm" "-f" "254ecb446b88f8bdec8734b5fb4b4d9e30605e10e07f1232457aa3366d6e852e"`
Dec 05 07:18:10.688 INFO [stdout] 254ecb446b88f8bdec8734b5fb4b4d9e30605e10e07f1232457aa3366d6e852e
Dec 05 07:18:10.690 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 07:18:11.164 INFO [stdout] 5e6e58532143e4258918616bd66f4ca668de1ce7749bbb511688a1fce9c4d471
Dec 05 07:18:11.166 INFO running `"docker" "start" "-a" "5e6e58532143e4258918616bd66f4ca668de1ce7749bbb511688a1fce9c4d471"`
Dec 05 07:18:12.031 INFO [stderr] usermod: no changes
Dec 05 07:18:12.072 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 07:18:12.077 INFO [stderr]      Running /target/debug/deps/slab-da3032877907984e
Dec 05 07:18:12.078 INFO [stdout] 
Dec 05 07:18:12.079 INFO [stdout] running 0 tests
Dec 05 07:18:12.079 INFO [stdout] 
Dec 05 07:18:12.079 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 07:18:12.079 INFO [stdout] 
Dec 05 07:18:12.081 INFO [stderr] su: No module specific data is present
Dec 05 07:18:12.684 INFO running `"docker" "inspect" "5e6e58532143e4258918616bd66f4ca668de1ce7749bbb511688a1fce9c4d471"`
Dec 05 07:18:12.960 INFO running `"docker" "rm" "-f" "5e6e58532143e4258918616bd66f4ca668de1ce7749bbb511688a1fce9c4d471"`
Dec 05 07:18:13.292 INFO [stdout] 5e6e58532143e4258918616bd66f4ca668de1ce7749bbb511688a1fce9c4d471