[INFO] cloning repository packysauce/packsos
[INFO] running `"git" "clone" "--bare" "git://github.com/packysauce/packsos.git" "work/cache/sources/gh/packysauce/packsos"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/packysauce/packsos'...
[INFO] running `"git" "clone" "work/cache/sources/gh/packysauce/packsos" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/packysauce/packsos"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/packysauce/packsos'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/packysauce/packsos" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/packysauce/packsos"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/packysauce/packsos'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c1054c4a4a798bf42f21f86ea686e1b9b2d4bf34
[INFO] sha for GitHub repo packysauce/packsos: c1054c4a4a798bf42f21f86ea686e1b9b2d4bf34
[INFO] validating manifest of packysauce/packsos 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 packysauce/packsos 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 packysauce/packsos
[INFO] finished frobbing packysauce/packsos
[INFO] frobbed toml for packysauce/packsos written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/packysauce/packsos/Cargo.toml
[INFO] started frobbing packysauce/packsos
[INFO] finished frobbing packysauce/packsos
[INFO] frobbed toml for packysauce/packsos written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/packysauce/packsos/Cargo.toml
[INFO] crate packysauce/packsos 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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bootloader v0.3.11
[INFO] [stderr]   Downloaded acpi v0.1.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing packysauce/packsos against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/packysauce/packsos:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] ad991be2742db60c62c4d9e901b816d6d9cfe58133efb9461b6aae2dc3706b13
[INFO] running `"docker" "start" "-a" "ad991be2742db60c62c4d9e901b816d6d9cfe58133efb9461b6aae2dc3706b13"`
[INFO] [stderr]    Compiling acpi v0.1.0
[INFO] [stderr]    Compiling array-init v0.0.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling skeptic v0.5.0
[INFO] [stderr]    Compiling fixedvec v0.2.3
[INFO] [stderr]    Compiling bootloader v0.3.11
[INFO] [stderr]    Compiling packsos v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `entry_point`
[INFO] [stderr]  --> src/lib.rs:4:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | use bootloader::{entry_point, bootinfo::BootInfo};
[INFO] [stderr]   |                  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/vga_buffer.rs:107:21
[INFO] [stderr]     |
[INFO] [stderr] 107 |                 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 variable: `rpt`
[INFO] [stderr]   --> src/lib.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let rpt = RecursivePageTable::new(unsafe { &mut *pt} ).unwrap();
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_rpt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stack`
[INFO] [stderr]   --> src/bin/test-interrupt-breakpoint.rs:48:38
[INFO] [stderr]    |
[INFO] [stderr] 48 | extern "x86-interrupt" fn bp_handler(stack: &mut ExceptionStackFrame) {
[INFO] [stderr]    |                                      ^^^^^ help: consider prefixing with an underscore: `_stack`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] 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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_basic_boot-f7f02b62accea495.test_basic_boot.9zpkum1s-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_basic_boot-f7f02b62accea495.test_basic_boot.9zpkum1s-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_basic_boot-f7f02b62accea495.test_basic_boot.9zpkum1s-cgu.2.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_basic_boot-f7f02b62accea495" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libpacksos-d2fd477e5d647f55.rlib" "/opt/crater/target/debug/deps/libvolatile-1f72de20c563e08b.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/liblazy_static-c4a76567f8d88da1.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/target/debug/deps/libbootloader-a608f2143564755d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_basic_boot-f7f02b62accea495.test_basic_boot.9zpkum1s-cgu.0.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/src/bin/test-basic-boot.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 `packsos`.
[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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.7.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libpacksos-d2fd477e5d647f55.rlib" "/opt/crater/target/debug/deps/libvolatile-1f72de20c563e08b.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/libbootloader-a608f2143564755d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/target/debug/deps/liblazy_static-c4a76567f8d88da1.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_double_fault-e510e9f6f0efb63e.test_double_fault.6czv2y7v-cgu.6.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/src/bin/test-double-fault.rs:13: 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 `packsos`.
[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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.7.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libpacksos-d2fd477e5d647f55.rlib" "/opt/crater/target/debug/deps/libvolatile-1f72de20c563e08b.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/libbootloader-a608f2143564755d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/target/debug/deps/liblazy_static-c4a76567f8d88da1.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_interrupt_breakpoint-d7dc1eb14cda8c63.test_interrupt_breakpoint.6jd6eigg-cgu.6.rcgu.o: In function `_start':
[INFO] [stderr]           /opt/crater/workdir/src/bin/test-interrupt-breakpoint.rs:15: 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 `packsos`.
[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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/packsos-d84ca2f3a48f8166.packsos.1uzfo8kc-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/packsos-d84ca2f3a48f8166.packsos.1uzfo8kc-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/packsos-d84ca2f3a48f8166.packsos.1uzfo8kc-cgu.2.rcgu.o" "-o" "/opt/crater/target/debug/deps/packsos-d84ca2f3a48f8166" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libpacksos-d2fd477e5d647f55.rlib" "/opt/crater/target/debug/deps/libvolatile-1f72de20c563e08b.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/liblazy_static-c4a76567f8d88da1.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/target/debug/deps/libbootloader-a608f2143564755d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/packsos-d84ca2f3a48f8166.packsos.1uzfo8kc-cgu.2.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: Could not compile `packsos`.
[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/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/test_panic-2594ad3d717090bb.test_panic.4l1jr2b9-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/test_panic-2594ad3d717090bb.test_panic.4l1jr2b9-cgu.1.rcgu.o" "-o" "/opt/crater/target/debug/deps/test_panic-2594ad3d717090bb" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libpacksos-d2fd477e5d647f55.rlib" "/opt/crater/target/debug/deps/libvolatile-1f72de20c563e08b.rlib" "/opt/crater/target/debug/deps/libuart_16550-12791a8ee07b344d.rlib" "/opt/crater/target/debug/deps/libpc_keyboard-7971b32a12abc98a.rlib" "/opt/crater/target/debug/deps/libpic8259_simple-3e245d6607a249ba.rlib" "/opt/crater/target/debug/deps/libcpuio-44b400c0586cbdd5.rlib" "/opt/crater/target/debug/deps/liblazy_static-c4a76567f8d88da1.rlib" "/opt/crater/target/debug/deps/libspin-121c099f003ea3e5.rlib" "/opt/crater/target/debug/deps/libbootloader-a608f2143564755d.rlib" "/opt/crater/target/debug/deps/libx86_64-63bc7dc6c8fa3353.rlib" "/opt/crater/target/debug/deps/libux-efadc792039eb950.rlib" "/opt/crater/target/debug/deps/libusize_conversions-885df14c24659b2d.rlib" "/opt/crater/target/debug/deps/libos_bootinfo-65924abfed393c40.rlib" "/opt/crater/target/debug/deps/libbit_field-cd3bb28dc7f4af9e.rlib" "/opt/crater/target/debug/deps/libbitflags-20966be936af198b.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/test_panic-2594ad3d717090bb.test_panic.4l1jr2b9-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 `packsos`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ad991be2742db60c62c4d9e901b816d6d9cfe58133efb9461b6aae2dc3706b13"`
[INFO] running `"docker" "rm" "-f" "ad991be2742db60c62c4d9e901b816d6d9cfe58133efb9461b6aae2dc3706b13"`
[INFO] [stdout] ad991be2742db60c62c4d9e901b816d6d9cfe58133efb9461b6aae2dc3706b13