Dec 14 12:29:46.484 INFO testing AleVul/kernel_playground against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 12:29:46.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 14 12:29:46.723 INFO [stdout] 6c52f08df41e422a4bd7234a6c57ab05590d7e38e7de5f7a8cb68291914649fe
Dec 14 12:29:46.723 INFO running `"docker" "start" "-a" "6c52f08df41e422a4bd7234a6c57ab05590d7e38e7de5f7a8cb68291914649fe"`
Dec 14 12:29:47.382 INFO [stderr] usermod: no changes
Dec 14 12:29:47.459 INFO [stderr]    Compiling x86_64 v0.2.11
Dec 14 12:29:49.488 INFO [stderr]    Compiling bootloader_precompiled v0.3.0
Dec 14 12:29:50.365 INFO [stderr]    Compiling kernel_playground v0.1.0 (/source)
Dec 14 12:29:51.335 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 14 12:29:51.335 INFO [stderr]   |
Dec 14 12:29:51.335 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/kernel_playground-66c6d063aa4755ed.kernel_playground.bfra299t-cgu.0.rcgu.o" "/target/debug/deps/kernel_playground-66c6d063aa4755ed.kernel_playground.bfra299t-cgu.1.rcgu.o" "/target/debug/deps/kernel_playground-66c6d063aa4755ed.kernel_playground.bfra299t-cgu.2.rcgu.o" "/target/debug/deps/kernel_playground-66c6d063aa4755ed.kernel_playground.bfra299t-cgu.3.rcgu.o" "/target/debug/deps/kernel_playground-66c6d063aa4755ed.kernel_playground.bfra299t-cgu.4.rcgu.o" "-o" "/target/debug/deps/kernel_playground-66c6d063aa4755ed" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libbootloader_precompiled-d4e732944e5b4ec1.rlib" "/target/debug/deps/libx86_64-ee8a0309d58ff0a7.rlib" "/target/debug/deps/libux-9c6dc5857fc18fdb.rlib" "/target/debug/deps/libusize_conversions-03f8af3ba650fd76.rlib" "/target/debug/deps/libos_bootinfo-527b7dbdafd7d114.rlib" "/target/debug/deps/libbit_field-aacfa287283ffced.rlib" "/target/debug/deps/libbitflags-25b9ec99867a70f4.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f9a54acb2f768daa.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-fd7c3c73a313f74d.rlib" "/rustup-home/toolchains/aa49d8ef14939ddec0e34b346b60174a5673d48f-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f941d940954fa72.rlib" "-Wl,-Bdynamic"
Dec 14 12:29:51.336 INFO [stderr]   = note: /target/debug/deps/kernel_playground-66c6d063aa4755ed.kernel_playground.bfra299t-cgu.2.rcgu.o: In function `_start':
Dec 14 12:29:51.336 INFO [stderr]           /source/src/main.rs:17: multiple definition of `_start'
Dec 14 12:29:51.336 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Dec 14 12:29:51.336 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 14 12:29:51.336 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Dec 14 12:29:51.336 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 14 12:29:51.336 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Dec 14 12:29:51.336 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 14 12:29:51.336 INFO [stderr]           (.text+0x20): undefined reference to `main'
Dec 14 12:29:51.336 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 14 12:29:51.336 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Dec 14 12:29:51.336 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 14 12:29:51.336 INFO [stderr]           
Dec 14 12:29:51.336 INFO [stderr] 
Dec 14 12:29:51.339 INFO [stderr] error: aborting due to previous error
Dec 14 12:29:51.339 INFO [stderr] 
Dec 14 12:29:51.344 INFO [stderr] error: Could not compile `kernel_playground`.
Dec 14 12:29:51.344 INFO [stderr] 
Dec 14 12:29:51.344 INFO [stderr] To learn more, run the command again with --verbose.
Dec 14 12:29:51.346 INFO [stderr] su: No module specific data is present
Dec 14 12:29:51.724 INFO running `"docker" "inspect" "6c52f08df41e422a4bd7234a6c57ab05590d7e38e7de5f7a8cb68291914649fe"`
Dec 14 12:29:51.834 INFO running `"docker" "rm" "-f" "6c52f08df41e422a4bd7234a6c57ab05590d7e38e7de5f7a8cb68291914649fe"`
Dec 14 12:29:51.956 INFO [stdout] 6c52f08df41e422a4bd7234a6c57ab05590d7e38e7de5f7a8cb68291914649fe