Nov 17 00:46:27.560 INFO testing imondrag/toy_os against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 00:46:27.560 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 17 00:46:28.181 INFO [stdout] bfc771b253e9249e5179bcb1838b59755479a1dbfe7c52bad061b8c42bd2567d
Nov 17 00:46:28.184 INFO running `"docker" "start" "-a" "bfc771b253e9249e5179bcb1838b59755479a1dbfe7c52bad061b8c42bd2567d"`
Nov 17 00:46:29.467 INFO [stderr] usermod: no changes
Nov 17 00:46:29.583 INFO [stderr]    Compiling os_bootinfo v0.2.1
Nov 17 00:46:29.595 INFO [stderr]    Compiling ux v0.1.2
Nov 17 00:46:29.603 INFO [stderr]    Compiling bit_field v0.9.0
Nov 17 00:46:29.611 INFO [stderr]    Compiling usize_conversions v0.2.0
Nov 17 00:46:29.611 INFO [stderr]    Compiling spin v0.4.9
Nov 17 00:46:29.611 INFO [stderr]    Compiling volatile v0.2.4
Nov 17 00:46:29.611 INFO [stderr]    Compiling lazy_static v1.1.0
Nov 17 00:46:46.379 INFO [stderr]    Compiling x86_64 v0.2.11
Nov 17 00:46:48.538 INFO [stderr]    Compiling uart_16550 v0.1.0
Nov 17 00:46:49.180 INFO [stderr]    Compiling toy_os v0.1.0 (/source)
Nov 17 00:46:50.095 INFO [stderr] error: linking with `cc` failed: exit code: 1
Nov 17 00:46:50.096 INFO [stderr]   |
Nov 17 00:46:50.097 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.0.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.1.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.10.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.11.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.12.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.13.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.14.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.15.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.2.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.3.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.4.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.5.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.6.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.7.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.8.rcgu.o" "/target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.9.rcgu.o" "-o" "/target/debug/deps/toy_os-100db608c6e35064" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libuart_16550-392521ce182d2c4f.rlib" "/target/debug/deps/libx86_64-1266ff5b4c6b9d54.rlib" "/target/debug/deps/libux-b8540f8356a59358.rlib" "/target/debug/deps/libusize_conversions-f95dcffd675c3ca0.rlib" "/target/debug/deps/libos_bootinfo-16f4ede316e0a2b5.rlib" "/target/debug/deps/libbit_field-0d873ad69e4de928.rlib" "/target/debug/deps/libbitflags-3fe05789bedb9e51.rlib" "/target/debug/deps/libvolatile-468ac822d20057df.rlib" "/target/debug/deps/liblazy_static-7a46bf7f89c8dda5.rlib" "/target/debug/deps/libspin-ae6ec207f873331e.rlib" "/rustup-home/toolchains/2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d49e8dd020e9654c.rlib" "/rustup-home/toolchains/2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-25f3a21ce204c507.rlib" "-Wl,-Bdynamic"
Nov 17 00:46:50.100 INFO [stderr]   = note: /target/debug/deps/toy_os-100db608c6e35064.toy_os.474dsquh-cgu.4.rcgu.o: In function `_start':
Nov 17 00:46:50.100 INFO [stderr]           /source/src/main.rs:48: multiple definition of `_start'
Nov 17 00:46:50.101 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
Nov 17 00:46:50.102 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Nov 17 00:46:50.102 INFO [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
Nov 17 00:46:50.103 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Nov 17 00:46:50.104 INFO [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
Nov 17 00:46:50.104 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Nov 17 00:46:50.105 INFO [stderr]           (.text+0x20): undefined reference to `main'
Nov 17 00:46:50.106 INFO [stderr]           /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
Nov 17 00:46:50.106 INFO [stderr]           (.text+0x25): undefined reference to `__libc_start_main'
Nov 17 00:46:50.107 INFO [stderr]           collect2: error: ld returned 1 exit status
Nov 17 00:46:50.107 INFO [stderr]           
Nov 17 00:46:50.108 INFO [stderr] 
Nov 17 00:46:50.109 INFO [stderr] error: aborting due to previous error
Nov 17 00:46:50.109 INFO [stderr] 
Nov 17 00:46:50.120 INFO [stderr] error: Could not compile `toy_os`.
Nov 17 00:46:50.121 INFO [stderr] 
Nov 17 00:46:50.121 INFO [stderr] To learn more, run the command again with --verbose.
Nov 17 00:46:50.124 INFO [stderr] su: No module specific data is present
Nov 17 00:46:52.090 INFO running `"docker" "inspect" "bfc771b253e9249e5179bcb1838b59755479a1dbfe7c52bad061b8c42bd2567d"`
Nov 17 00:46:52.373 INFO running `"docker" "rm" "-f" "bfc771b253e9249e5179bcb1838b59755479a1dbfe7c52bad061b8c42bd2567d"`
Nov 17 00:46:52.722 INFO [stdout] bfc771b253e9249e5179bcb1838b59755479a1dbfe7c52bad061b8c42bd2567d