Dec 15 21:49:47.183 INFO testing axon-0.1.6 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 21:49:47.183 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 15 21:49:47.389 INFO [stdout] 42f43b35dcfeddc46774605a9298f281c0bdb387a58bf5b123b6b0c150b219b6
Dec 15 21:49:47.391 INFO running `"docker" "start" "-a" "42f43b35dcfeddc46774605a9298f281c0bdb387a58bf5b123b6b0c150b219b6"`
Dec 15 21:49:47.899 INFO [stderr] usermod: no changes
Dec 15 21:49:47.990 INFO [stderr]    Compiling axon v0.1.6 (/source)
Dec 15 21:49:52.836 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
Dec 15 21:49:52.847 INFO [stderr] su: No module specific data is present
Dec 15 21:49:53.260 INFO running `"docker" "inspect" "42f43b35dcfeddc46774605a9298f281c0bdb387a58bf5b123b6b0c150b219b6"`
Dec 15 21:49:53.520 INFO running `"docker" "rm" "-f" "42f43b35dcfeddc46774605a9298f281c0bdb387a58bf5b123b6b0c150b219b6"`
Dec 15 21:49:53.739 INFO [stdout] 42f43b35dcfeddc46774605a9298f281c0bdb387a58bf5b123b6b0c150b219b6
Dec 15 21:49:53.739 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 15 21:49:54.026 INFO [stdout] 7b98efb143df5b9aa9bc8551b7e9bfa4087979445f77121fc212665bb8cc5143
Dec 15 21:49:54.028 INFO running `"docker" "start" "-a" "7b98efb143df5b9aa9bc8551b7e9bfa4087979445f77121fc212665bb8cc5143"`
Dec 15 21:49:54.683 INFO [stderr] usermod: no changes
Dec 15 21:49:54.795 INFO [stderr]    Compiling axon v0.1.6 (/source)
Dec 15 21:49:59.825 INFO [stderr] warning: unused import: `Read`
Dec 15 21:49:59.826 INFO [stderr]  --> examples/hello.rs:3:15
Dec 15 21:49:59.826 INFO [stderr]   |
Dec 15 21:49:59.826 INFO [stderr] 3 | use std::io::{Read,Write};
Dec 15 21:49:59.826 INFO [stderr]   |               ^^^^
Dec 15 21:49:59.826 INFO [stderr]   |
Dec 15 21:49:59.826 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 15 21:49:59.826 INFO [stderr] 
Dec 15 21:49:59.983 INFO [stderr] warning: unused variable: `b`
Dec 15 21:49:59.983 INFO [stderr]  --> examples/hello.rs:7:13
Dec 15 21:49:59.983 INFO [stderr]   |
Dec 15 21:49:59.983 INFO [stderr] 7 |     let mut b = vec![0;10];
Dec 15 21:49:59.983 INFO [stderr]   |             ^ help: consider using `_b` instead
Dec 15 21:49:59.983 INFO [stderr]   |
Dec 15 21:49:59.983 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 15 21:49:59.983 INFO [stderr] 
Dec 15 21:49:59.983 INFO [stderr] warning: variable does not need to be mutable
Dec 15 21:49:59.983 INFO [stderr]  --> examples/hello.rs:7:9
Dec 15 21:49:59.983 INFO [stderr]   |
Dec 15 21:49:59.983 INFO [stderr] 7 |     let mut b = vec![0;10];
Dec 15 21:49:59.983 INFO [stderr]   |         ----^
Dec 15 21:49:59.983 INFO [stderr]   |         |
Dec 15 21:49:59.983 INFO [stderr]   |         help: remove this `mut`
Dec 15 21:49:59.983 INFO [stderr]   |
Dec 15 21:49:59.983 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 15 21:49:59.983 INFO [stderr] 
Dec 15 21:50:01.051 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.35s
Dec 15 21:50:01.060 INFO [stderr] su: No module specific data is present
Dec 15 21:50:02.211 INFO running `"docker" "inspect" "7b98efb143df5b9aa9bc8551b7e9bfa4087979445f77121fc212665bb8cc5143"`
Dec 15 21:50:02.424 INFO running `"docker" "rm" "-f" "7b98efb143df5b9aa9bc8551b7e9bfa4087979445f77121fc212665bb8cc5143"`
Dec 15 21:50:02.607 INFO [stdout] 7b98efb143df5b9aa9bc8551b7e9bfa4087979445f77121fc212665bb8cc5143
Dec 15 21:50:02.609 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 15 21:50:02.888 INFO [stdout] 55145c00f69b87ebcdcfbeff38374787496fa1bffbee7bf0c192ed97e1dba7e1
Dec 15 21:50:02.890 INFO running `"docker" "start" "-a" "55145c00f69b87ebcdcfbeff38374787496fa1bffbee7bf0c192ed97e1dba7e1"`
Dec 15 21:50:03.651 INFO [stderr] usermod: no changes
Dec 15 21:50:03.756 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
Dec 15 21:50:03.771 INFO [stderr]      Running /target/debug/deps/axon-ca6b63df80a4504d
Dec 15 21:50:03.772 INFO [stdout] 
Dec 15 21:50:03.772 INFO [stdout] running 0 tests
Dec 15 21:50:03.772 INFO [stdout] 
Dec 15 21:50:03.772 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:50:03.772 INFO [stdout] 
Dec 15 21:50:03.773 INFO [stderr]    Doc-tests axon
Dec 15 21:50:12.715 INFO [stdout] 
Dec 15 21:50:12.715 INFO [stdout] running 0 tests
Dec 15 21:50:12.715 INFO [stdout] 
Dec 15 21:50:12.715 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 21:50:12.715 INFO [stdout] 
Dec 15 21:50:12.735 INFO [stderr] su: No module specific data is present
Dec 15 21:50:13.352 INFO running `"docker" "inspect" "55145c00f69b87ebcdcfbeff38374787496fa1bffbee7bf0c192ed97e1dba7e1"`
Dec 15 21:50:13.691 INFO running `"docker" "rm" "-f" "55145c00f69b87ebcdcfbeff38374787496fa1bffbee7bf0c192ed97e1dba7e1"`
Dec 15 21:50:13.974 INFO [stdout] 55145c00f69b87ebcdcfbeff38374787496fa1bffbee7bf0c192ed97e1dba7e1