Dec 05 13:41:17.832 INFO testing mrsweaters/nutbutter-os against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 13:41:17.832 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 05 13:41:18.023 INFO [stdout] e3a58ed5e2bcddd18e000dd8f33ab48cd3b297b9170aa44a7d4d11fef21c8b0d
Dec 05 13:41:18.025 INFO running `"docker" "start" "-a" "e3a58ed5e2bcddd18e000dd8f33ab48cd3b297b9170aa44a7d4d11fef21c8b0d"`
Dec 05 13:41:18.612 INFO [stderr] usermod: no changes
Dec 05 13:41:18.653 INFO [stderr]    Compiling spin v0.4.9
Dec 05 13:41:18.653 INFO [stderr]    Compiling os_bootinfo v0.2.1
Dec 05 13:41:18.653 INFO [stderr]    Compiling volatile v0.2.4
Dec 05 13:41:18.653 INFO [stderr]    Compiling lazy_static v1.1.0
Dec 05 13:41:19.004 INFO [stderr]    Compiling bootloader_precompiled v0.2.0
Dec 05 13:41:19.342 INFO [stderr]    Compiling nb_os v0.1.0 (/source)
Dec 05 13:41:19.635 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 05 13:41:19.635 INFO [stderr]   |
Dec 05 13:41:19.635 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/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.0.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.1.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.10.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.11.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.12.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.13.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.14.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.15.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.2.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.3.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.4.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.5.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.6.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.7.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.8.rcgu.o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.9.rcgu.o" "-o" "/target/debug/deps/nb_os-49b2fd94d9a4a8f5" "-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-2ed3d52fc1fae333.rlib" "/target/debug/deps/libbootloader_precompiled-9ee1aae69a752417.rlib" "/target/debug/deps/libos_bootinfo-7b37f3702e63d4d0.rlib" "/target/debug/deps/liblazy_static-bc104e59a407f5e7.rlib" "/target/debug/deps/libspin-012903b9905860d7.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 05 13:41:19.635 INFO [stderr]   = note: /target/debug/deps/nb_os-49b2fd94d9a4a8f5.nb_os.6ntomjo0-cgu.5.rcgu.o: In function `_start':
Dec 05 13:41:19.635 INFO [stderr]           /source/src/main.rs:23: multiple definition of `_start'
Dec 05 13:41:19.635 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Dec 05 13:41:19.635 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 05 13:41:19.635 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Dec 05 13:41:19.635 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 05 13:41:19.635 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Dec 05 13:41:19.635 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 05 13:41:19.635 INFO [stderr]           (.text+0x20): undefined reference to `main'
Dec 05 13:41:19.635 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Dec 05 13:41:19.635 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Dec 05 13:41:19.635 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 05 13:41:19.635 INFO [stderr]           
Dec 05 13:41:19.635 INFO [stderr] 
Dec 05 13:41:19.635 INFO [stderr] error: aborting due to previous error
Dec 05 13:41:19.635 INFO [stderr] 
Dec 05 13:41:19.643 INFO [stderr] error: Could not compile `nb_os`.
Dec 05 13:41:19.643 INFO [stderr] 
Dec 05 13:41:19.643 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 13:41:19.645 INFO [stderr] su: No module specific data is present
Dec 05 13:41:19.902 INFO running `"docker" "inspect" "e3a58ed5e2bcddd18e000dd8f33ab48cd3b297b9170aa44a7d4d11fef21c8b0d"`
Dec 05 13:41:20.004 INFO running `"docker" "rm" "-f" "e3a58ed5e2bcddd18e000dd8f33ab48cd3b297b9170aa44a7d4d11fef21c8b0d"`
Dec 05 13:41:20.118 INFO [stdout] e3a58ed5e2bcddd18e000dd8f33ab48cd3b297b9170aa44a7d4d11fef21c8b0d