Dec 15 03:43:50.156 INFO testing netns-0.1.0 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 03:43:50.156 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 03:43:50.349 INFO [stdout] 6cb445277aa4e2495a70537e9cb2614fddee80a8d317961e9726285754ca1480
Dec 15 03:43:50.357 INFO running `"docker" "start" "-a" "6cb445277aa4e2495a70537e9cb2614fddee80a8d317961e9726285754ca1480"`
Dec 15 03:43:51.226 INFO [stderr] usermod: no changes
Dec 15 03:43:51.271 INFO [stderr]    Compiling netns v0.1.0 (/source)
Dec 15 03:43:52.173 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 15 03:43:52.176 INFO [stderr] su: No module specific data is present
Dec 15 03:43:52.477 INFO running `"docker" "inspect" "6cb445277aa4e2495a70537e9cb2614fddee80a8d317961e9726285754ca1480"`
Dec 15 03:43:52.616 INFO running `"docker" "rm" "-f" "6cb445277aa4e2495a70537e9cb2614fddee80a8d317961e9726285754ca1480"`
Dec 15 03:43:52.792 INFO [stdout] 6cb445277aa4e2495a70537e9cb2614fddee80a8d317961e9726285754ca1480
Dec 15 03:43:52.796 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 03:43:53.072 INFO [stdout] 7953a760d29519d3a504de66c1bb0b29420ffe8d632fea2a4541c66ae285fe65
Dec 15 03:43:53.074 INFO running `"docker" "start" "-a" "7953a760d29519d3a504de66c1bb0b29420ffe8d632fea2a4541c66ae285fe65"`
Dec 15 03:43:53.450 INFO [stderr] usermod: no changes
Dec 15 03:43:53.494 INFO [stderr]    Compiling netns v0.1.0 (/source)
Dec 15 03:43:54.360 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 15 03:43:54.360 INFO [stderr]   --> examples/basic.rs:11:3
Dec 15 03:43:54.360 INFO [stderr]    |
Dec 15 03:43:54.360 INFO [stderr] 11 |         NetNS::set(temp);
Dec 15 03:43:54.360 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^
Dec 15 03:43:54.360 INFO [stderr]    |
Dec 15 03:43:54.360 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 15 03:43:54.360 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 15 03:43:54.360 INFO [stderr] 
Dec 15 03:43:54.825 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Dec 15 03:43:54.833 INFO [stderr] su: No module specific data is present
Dec 15 03:43:55.124 INFO running `"docker" "inspect" "7953a760d29519d3a504de66c1bb0b29420ffe8d632fea2a4541c66ae285fe65"`
Dec 15 03:43:55.192 INFO running `"docker" "rm" "-f" "7953a760d29519d3a504de66c1bb0b29420ffe8d632fea2a4541c66ae285fe65"`
Dec 15 03:43:55.278 INFO [stdout] 7953a760d29519d3a504de66c1bb0b29420ffe8d632fea2a4541c66ae285fe65
Dec 15 03:43:55.281 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 03:43:55.505 INFO [stdout] 1148c3d32e913d26497f0e9e7a394781053924cf278d9b2b78dbab03ffc03931
Dec 15 03:43:55.508 INFO running `"docker" "start" "-a" "1148c3d32e913d26497f0e9e7a394781053924cf278d9b2b78dbab03ffc03931"`
Dec 15 03:43:55.955 INFO [stderr] usermod: no changes
Dec 15 03:43:55.988 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 15 03:43:55.998 INFO [stderr]      Running /target/debug/deps/netns-25e5e1e594e786fd
Dec 15 03:43:56.000 INFO [stdout] 
Dec 15 03:43:56.000 INFO [stdout] running 0 tests
Dec 15 03:43:56.000 INFO [stdout] 
Dec 15 03:43:56.000 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 03:43:56.000 INFO [stdout] 
Dec 15 03:43:56.000 INFO [stderr]    Doc-tests netns
Dec 15 03:43:57.300 INFO [stdout] 
Dec 15 03:43:57.300 INFO [stdout] running 0 tests
Dec 15 03:43:57.300 INFO [stdout] 
Dec 15 03:43:57.300 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 03:43:57.300 INFO [stdout] 
Dec 15 03:43:57.307 INFO [stderr] su: No module specific data is present
Dec 15 03:43:57.661 INFO running `"docker" "inspect" "1148c3d32e913d26497f0e9e7a394781053924cf278d9b2b78dbab03ffc03931"`
Dec 15 03:43:57.736 INFO running `"docker" "rm" "-f" "1148c3d32e913d26497f0e9e7a394781053924cf278d9b2b78dbab03ffc03931"`
Dec 15 03:43:57.835 INFO [stdout] 1148c3d32e913d26497f0e9e7a394781053924cf278d9b2b78dbab03ffc03931