Dec 06 00:46:47.777 INFO testing ejlangev/rust_os against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 06 00:46:47.777 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-2/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-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 06 00:46:48.258 INFO [stdout] 7c0624b4044aa0036590adeac6854a23c3bd44554cb91ad1a4b272d71676fb21
Dec 06 00:46:48.260 INFO running `"docker" "start" "-a" "7c0624b4044aa0036590adeac6854a23c3bd44554cb91ad1a4b272d71676fb21"`
Dec 06 00:46:50.492 INFO [stderr] usermod: no changes
Dec 06 00:46:50.684 INFO [stderr]    Compiling zero v0.1.2
Dec 06 00:46:50.684 INFO [stderr]    Compiling spin v0.4.10
Dec 06 00:46:50.684 INFO [stderr]    Compiling font8x8 v0.2.4
Dec 06 00:46:50.684 INFO [stderr]    Compiling volatile v0.2.5
Dec 06 00:46:50.697 INFO [stderr]    Compiling x86_64 v0.2.14
Dec 06 00:46:50.697 INFO [stderr]    Compiling pulldown-cmark v0.0.3
Dec 06 00:46:51.611 INFO [stderr]    Compiling xmas-elf v0.6.2
Dec 06 00:46:51.758 INFO [stderr]    Compiling lazy_static v1.2.0
Dec 06 00:46:57.628 INFO [stderr]    Compiling skeptic v0.5.0
Dec 06 00:46:59.338 INFO [stderr]    Compiling fixedvec v0.2.3
Dec 06 00:47:00.710 INFO [stderr]    Compiling bootloader v0.3.7
Dec 06 00:47:01.564 INFO [stderr]    Compiling ethan_os v0.1.0 (/source)
Dec 06 00:47:02.239 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 06 00:47:02.239 INFO [stderr]   |
Dec 06 00:47:02.239 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.0.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.1.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.10.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.11.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.12.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.13.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.14.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.15.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.2.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.3.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.4.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.5.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.6.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.7.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.8.rcgu.o" "/target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.9.rcgu.o" "-o" "/target/debug/deps/ethan_os-0e09b40862207e98" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libvolatile-bb1413a6a1cad9a8.rlib" "/target/debug/deps/liblazy_static-0082b6d66facb515.rlib" "/target/debug/deps/libspin-e0c813a2021279ff.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d6e924fd18f7775d.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0ed18ce3338a020a.rlib" "-Wl,-Bdynamic"
Dec 06 00:47:02.239 INFO [stderr]   = note: /target/debug/deps/ethan_os-0e09b40862207e98.ethan_os.335e7rww-cgu.2.rcgu.o: In function `_start':
Dec 06 00:47:02.239 INFO [stderr]           /source/src/main.rs:22: multiple definition of `_start'
Dec 06 00:47:02.239 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Dec 06 00:47:02.239 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 06 00:47:02.239 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Dec 06 00:47:02.239 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 06 00:47:02.239 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Dec 06 00:47:02.239 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 06 00:47:02.239 INFO [stderr]           (.text+0x20): undefined reference to `main'
Dec 06 00:47:02.239 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 06 00:47:02.239 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Dec 06 00:47:02.239 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 06 00:47:02.239 INFO [stderr]           
Dec 06 00:47:02.239 INFO [stderr] 
Dec 06 00:47:02.239 INFO [stderr] error: aborting due to previous error
Dec 06 00:47:02.239 INFO [stderr] 
Dec 06 00:47:02.248 INFO [stderr] error: Could not compile `ethan_os`.
Dec 06 00:47:02.248 INFO [stderr] 
Dec 06 00:47:02.248 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 00:47:02.248 INFO [stderr] su: No module specific data is present
Dec 06 00:47:03.334 INFO running `"docker" "inspect" "7c0624b4044aa0036590adeac6854a23c3bd44554cb91ad1a4b272d71676fb21"`
Dec 06 00:47:03.700 INFO running `"docker" "rm" "-f" "7c0624b4044aa0036590adeac6854a23c3bd44554cb91ad1a4b272d71676fb21"`
Dec 06 00:47:04.064 INFO [stdout] 7c0624b4044aa0036590adeac6854a23c3bd44554cb91ad1a4b272d71676fb21