[INFO] cloning repository Xe/novos
[INFO] running `"git" "clone" "--bare" "git://github.com/Xe/novos.git" "work/cache/sources/gh/Xe/novos"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Xe/novos'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Xe/novos" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Xe/novos"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Xe/novos'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Xe/novos" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Xe/novos"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Xe/novos'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 275aa00c76c255375cc53cb4ac99230bcb7d2bd9
[INFO] sha for GitHub repo Xe/novos: 275aa00c76c255375cc53cb4ac99230bcb7d2bd9
[INFO] validating manifest of Xe/novos on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Xe/novos on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Xe/novos
[INFO] finished frobbing Xe/novos
[INFO] frobbed toml for Xe/novos written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Xe/novos/Cargo.toml
[INFO] started frobbing Xe/novos
[INFO] finished frobbing Xe/novos
[INFO] frobbed toml for Xe/novos written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Xe/novos/Cargo.toml
[INFO] crate Xe/novos already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Xe/novos against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Xe/novos:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] bd7fbe591102d4ef6114c12f3878123d88fb1afe2d99e2b943ae069c26fe37bf
[INFO] running `"docker" "start" "-a" "bd7fbe591102d4ef6114c12f3878123d88fb1afe2d99e2b943ae069c26fe37bf"`
[INFO] [stderr]    Compiling cpuio v0.2.0
[INFO] [stderr]    Compiling pc-keyboard v0.3.1
[INFO] [stderr]    Compiling x86_64 v0.4.1
[INFO] [stderr]    Compiling bootloader v0.3.12
[INFO] [stderr]    Compiling pic8259_simple v0.1.1
[INFO] [stderr]    Compiling novos v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vga_buffer.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 0x20...0x7e | b'\n' => self.write_byte(byte),
[INFO] [stderr]     |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `EmptyFrameAllocator`
[INFO] [stderr]   --> src/main.rs:23:49
[INFO] [stderr]    |
[INFO] [stderr] 23 |     use novos::memory::{create_example_mapping, EmptyFrameAllocator};
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `recursive_page_table`
[INFO] [stderr]   --> src/main.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut recursive_page_table = unsafe {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_recursive_page_table`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut recursive_page_table = unsafe {
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `translate_addr`
[INFO] [stderr]   --> src/bin/test-paging.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |     use novos::memory::{self, translate_addr};
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_exception_breakpoint-de4dbb6799936c32.test_exception_breakpoint.72lpggaq-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_exception_breakpoint-de4dbb6799936c32.test_exception_breakpoint.72lpggaq-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_exception_breakpoint-de4dbb6799936c32.test_exception_breakpoint.72lpggaq-cgu.2.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_exception_breakpoint-de4dbb6799936c32" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnovos-cd2b3134275fb190.rlib" "/opt/crater/target/debug/deps/libvolatile-6a915f8499b18303.rlib" "/opt/crater/target/debug/deps/libuart_16550-5fdc37babb9adeac.rlib" "/opt/crater/target/debug/deps/libbootloader-f71487ea84687f6b.rlib" "/opt/crater/target/debug/deps/libx86_64-10764bf81c4b5455.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-6883e6295ce88624.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-1f912b51f4910873.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-cf8afcc3918b371f.rlib" "/opt/crater/target/debug/deps/libcpuio-73d140bfdf9c3171.rlib" "/opt/crater/target/debug/deps/libx86_64-eaa59edd865d3ea3.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-a33107382ac4816b.rlib" "/opt/crater/target/debug/deps/libarray_init-5eab4694537b72d6.rlib" "/opt/crater/target/debug/deps/libnodrop-b793c3a5ecf3a777.rlib" "/opt/crater/target/debug/deps/libusize_conversions-5bdded72cf5c7f56.rlib" "/opt/crater/target/debug/deps/libbit_field-e159bee715eaf616.rlib" "/opt/crater/target/debug/deps/libbitflags-289aea101accda3b.rlib" "/opt/crater/target/debug/deps/libux-14d6b07fe4d9b5f0.rlib" "/opt/crater/target/debug/deps/liblazy_static-a15fef712745f73b.rlib" "/opt/crater/target/debug/deps/libspin-57c8e959dd0f660a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_exception_breakpoint-de4dbb6799936c32.test_exception_breakpoint.72lpggaq-cgu.1.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/src/bin/test-exception-breakpoint.rs:10: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `novos`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_panic-cffc3ac24fa47df9.test_panic.etowotby-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_panic-cffc3ac24fa47df9.test_panic.etowotby-cgu.1.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_panic-cffc3ac24fa47df9" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnovos-cd2b3134275fb190.rlib" "/opt/crater/target/debug/deps/libvolatile-6a915f8499b18303.rlib" "/opt/crater/target/debug/deps/libuart_16550-5fdc37babb9adeac.rlib" "/opt/crater/target/debug/deps/libbootloader-f71487ea84687f6b.rlib" "/opt/crater/target/debug/deps/libx86_64-10764bf81c4b5455.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-6883e6295ce88624.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-1f912b51f4910873.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-cf8afcc3918b371f.rlib" "/opt/crater/target/debug/deps/libcpuio-73d140bfdf9c3171.rlib" "/opt/crater/target/debug/deps/libx86_64-eaa59edd865d3ea3.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-a33107382ac4816b.rlib" "/opt/crater/target/debug/deps/libarray_init-5eab4694537b72d6.rlib" "/opt/crater/target/debug/deps/libnodrop-b793c3a5ecf3a777.rlib" "/opt/crater/target/debug/deps/libusize_conversions-5bdded72cf5c7f56.rlib" "/opt/crater/target/debug/deps/libbit_field-e159bee715eaf616.rlib" "/opt/crater/target/debug/deps/libbitflags-289aea101accda3b.rlib" "/opt/crater/target/debug/deps/libux-14d6b07fe4d9b5f0.rlib" "/opt/crater/target/debug/deps/liblazy_static-a15fef712745f73b.rlib" "/opt/crater/target/debug/deps/libspin-57c8e959dd0f660a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_panic-cffc3ac24fa47df9.test_panic.etowotby-cgu.0.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/src/bin/test-panic.rs:10: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `novos`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_basic_boot-e1021612e9c420b3.test_basic_boot.9gi9irfk-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_basic_boot-e1021612e9c420b3.test_basic_boot.9gi9irfk-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_basic_boot-e1021612e9c420b3.test_basic_boot.9gi9irfk-cgu.2.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_basic_boot-e1021612e9c420b3" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnovos-cd2b3134275fb190.rlib" "/opt/crater/target/debug/deps/libvolatile-6a915f8499b18303.rlib" "/opt/crater/target/debug/deps/libuart_16550-5fdc37babb9adeac.rlib" "/opt/crater/target/debug/deps/libbootloader-f71487ea84687f6b.rlib" "/opt/crater/target/debug/deps/libx86_64-10764bf81c4b5455.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-6883e6295ce88624.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-1f912b51f4910873.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-cf8afcc3918b371f.rlib" "/opt/crater/target/debug/deps/libcpuio-73d140bfdf9c3171.rlib" "/opt/crater/target/debug/deps/libx86_64-eaa59edd865d3ea3.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-a33107382ac4816b.rlib" "/opt/crater/target/debug/deps/libarray_init-5eab4694537b72d6.rlib" "/opt/crater/target/debug/deps/libnodrop-b793c3a5ecf3a777.rlib" "/opt/crater/target/debug/deps/libusize_conversions-5bdded72cf5c7f56.rlib" "/opt/crater/target/debug/deps/libbit_field-e159bee715eaf616.rlib" "/opt/crater/target/debug/deps/libbitflags-289aea101accda3b.rlib" "/opt/crater/target/debug/deps/libux-14d6b07fe4d9b5f0.rlib" "/opt/crater/target/debug/deps/liblazy_static-a15fef712745f73b.rlib" "/opt/crater/target/debug/deps/libspin-57c8e959dd0f660a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_basic_boot-e1021612e9c420b3.test_basic_boot.9gi9irfk-cgu.1.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/src/bin/test-basic-boot.rs:12: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `novos`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/novos-0e2f164556549c94" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnovos-cd2b3134275fb190.rlib" "/opt/crater/target/debug/deps/libvolatile-6a915f8499b18303.rlib" "/opt/crater/target/debug/deps/libuart_16550-5fdc37babb9adeac.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-1f912b51f4910873.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-cf8afcc3918b371f.rlib" "/opt/crater/target/debug/deps/libcpuio-73d140bfdf9c3171.rlib" "/opt/crater/target/debug/deps/libx86_64-eaa59edd865d3ea3.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-a33107382ac4816b.rlib" "/opt/crater/target/debug/deps/libarray_init-5eab4694537b72d6.rlib" "/opt/crater/target/debug/deps/libnodrop-b793c3a5ecf3a777.rlib" "/opt/crater/target/debug/deps/liblazy_static-a15fef712745f73b.rlib" "/opt/crater/target/debug/deps/libspin-57c8e959dd0f660a.rlib" "/opt/crater/target/debug/deps/libbootloader-f71487ea84687f6b.rlib" "/opt/crater/target/debug/deps/libx86_64-10764bf81c4b5455.rlib" "/opt/crater/target/debug/deps/libux-14d6b07fe4d9b5f0.rlib" "/opt/crater/target/debug/deps/libusize_conversions-5bdded72cf5c7f56.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-6883e6295ce88624.rlib" "/opt/crater/target/debug/deps/libbit_field-e159bee715eaf616.rlib" "/opt/crater/target/debug/deps/libbitflags-289aea101accda3b.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/novos-0e2f164556549c94.novos.7v1flv1y-cgu.3.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/<::bootloader::entry_point macros>:2: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_vga_buffer-cc234ab7a5934467.test_vga_buffer.bi8vkhq7-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_vga_buffer-cc234ab7a5934467.test_vga_buffer.bi8vkhq7-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_vga_buffer-cc234ab7a5934467.test_vga_buffer.bi8vkhq7-cgu.2.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_vga_buffer-cc234ab7a5934467" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnovos-cd2b3134275fb190.rlib" "/opt/crater/target/debug/deps/libvolatile-6a915f8499b18303.rlib" "/opt/crater/target/debug/deps/libuart_16550-5fdc37babb9adeac.rlib" "/opt/crater/target/debug/deps/libbootloader-f71487ea84687f6b.rlib" "/opt/crater/target/debug/deps/libx86_64-10764bf81c4b5455.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-6883e6295ce88624.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-1f912b51f4910873.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-cf8afcc3918b371f.rlib" "/opt/crater/target/debug/deps/libcpuio-73d140bfdf9c3171.rlib" "/opt/crater/target/debug/deps/libx86_64-eaa59edd865d3ea3.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-a33107382ac4816b.rlib" "/opt/crater/target/debug/deps/libarray_init-5eab4694537b72d6.rlib" "/opt/crater/target/debug/deps/libnodrop-b793c3a5ecf3a777.rlib" "/opt/crater/target/debug/deps/libusize_conversions-5bdded72cf5c7f56.rlib" "/opt/crater/target/debug/deps/libbit_field-e159bee715eaf616.rlib" "/opt/crater/target/debug/deps/libbitflags-289aea101accda3b.rlib" "/opt/crater/target/debug/deps/libux-14d6b07fe4d9b5f0.rlib" "/opt/crater/target/debug/deps/liblazy_static-a15fef712745f73b.rlib" "/opt/crater/target/debug/deps/libspin-57c8e959dd0f660a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_vga_buffer-cc234ab7a5934467.test_vga_buffer.bi8vkhq7-cgu.1.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/src/bin/test-vga-buffer.rs:12: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `novos`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `novos`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.8.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libnovos-cd2b3134275fb190.rlib" "/opt/crater/target/debug/deps/libvolatile-6a915f8499b18303.rlib" "/opt/crater/target/debug/deps/libuart_16550-5fdc37babb9adeac.rlib" "/opt/crater/target/debug/deps/libbootloader-f71487ea84687f6b.rlib" "/opt/crater/target/debug/deps/libx86_64-10764bf81c4b5455.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-6883e6295ce88624.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-1f912b51f4910873.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-cf8afcc3918b371f.rlib" "/opt/crater/target/debug/deps/libcpuio-73d140bfdf9c3171.rlib" "/opt/crater/target/debug/deps/libx86_64-eaa59edd865d3ea3.rlib" "/opt/crater/target/debug/deps/libraw_cpuid-a33107382ac4816b.rlib" "/opt/crater/target/debug/deps/libarray_init-5eab4694537b72d6.rlib" "/opt/crater/target/debug/deps/libnodrop-b793c3a5ecf3a777.rlib" "/opt/crater/target/debug/deps/libusize_conversions-5bdded72cf5c7f56.rlib" "/opt/crater/target/debug/deps/libbit_field-e159bee715eaf616.rlib" "/opt/crater/target/debug/deps/libbitflags-289aea101accda3b.rlib" "/opt/crater/target/debug/deps/libux-14d6b07fe4d9b5f0.rlib" "/opt/crater/target/debug/deps/liblazy_static-a15fef712745f73b.rlib" "/opt/crater/target/debug/deps/libspin-57c8e959dd0f660a.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5d5836de4a922af7.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0bd990bd23dec0da.rlib" "/opt/crater/rustup-home/toolchains/c8865d8e195813ade6b84434ac9f8850e7112d1a-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5a50a9afbc6d167.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_paging-3a1e52ba23a0c6ac.test_paging.akefsx7t-cgu.1.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/src/bin/test-paging.rs:18: multiple definition of `_start'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o:(.text+0x0): first defined here
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x12): undefined reference to `__libc_csu_fini'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x19): undefined reference to `__libc_csu_init'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x20): undefined reference to `main'
[INFO] [stderr]           /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/Scrt1.o: In function `_start':
[INFO] [stderr]           (.text+0x26): undefined reference to `__libc_start_main'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `novos`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "bd7fbe591102d4ef6114c12f3878123d88fb1afe2d99e2b943ae069c26fe37bf"`
[INFO] running `"docker" "rm" "-f" "bd7fbe591102d4ef6114c12f3878123d88fb1afe2d99e2b943ae069c26fe37bf"`
[INFO] [stdout] bd7fbe591102d4ef6114c12f3878123d88fb1afe2d99e2b943ae069c26fe37bf