[INFO] fetching crate tg-rcore-tutorial-user-T3L3 0.0.1-preview.6...
[INFO] testing tg-rcore-tutorial-user-T3L3-0.0.1-preview.6 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate tg-rcore-tutorial-user-T3L3 0.0.1-preview.6 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tg-rcore-tutorial-user-T3L3 0.0.1-preview.6
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-user-T3L3 0.0.1-preview.6
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-user-T3L3 0.0.1-preview.6 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-user-T3L3 0.0.1-preview.6 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-rcore-tutorial-user-T3L3 0.0.1-preview.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d75af04ea36bd8dd9329207b03d037c07a1913be331b5ab7ceeb6a8882eab4
[INFO] running `Command { std: "docker" "start" "-a" "93d75af04ea36bd8dd9329207b03d037c07a1913be331b5ab7ceeb6a8882eab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d75af04ea36bd8dd9329207b03d037c07a1913be331b5ab7ceeb6a8882eab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d75af04ea36bd8dd9329207b03d037c07a1913be331b5ab7ceeb6a8882eab4", kill_on_drop: false }`
[INFO] [stdout] 93d75af04ea36bd8dd9329207b03d037c07a1913be331b5ab7ceeb6a8882eab4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bc05a506b712c440e580c4e335dfc950ee190610fc08b5e082f673ddd7e4244
[INFO] running `Command { std: "docker" "start" "-a" "8bc05a506b712c440e580c4e335dfc950ee190610fc08b5e082f673ddd7e4244", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling numeric-enum-macro v0.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling customizable-buddy v0.0.2
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-console v0.4.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-user-T3L3 v0.0.1-preview.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `alloc::alloc::alloc`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use alloc::alloc::alloc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::alloc::Layout`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use core::alloc::Layout;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYSCALL_FRAMEBUFFER` is never used
[INFO] [stdout]   --> src/lib.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SYSCALL_FRAMEBUFFER: usize = 0x1000_0001;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SYSCALL_FRAMEBUFFER_FLUSH` is never used
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 | const SYSCALL_FRAMEBUFFER_FLUSH: usize = 0x1000_0002;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:26:21
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct TgAllocArena([u8; TG_ALLOC_ARENA_SIZE]);
[INFO] [stdout]    |        ------------ ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLOCK_COUNT` is never used
[INFO] [stdout]    --> src/tangram.rs:220:18
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub(crate) const BLOCK_COUNT: usize = OS_TANGRAM_BLOCKS.len();
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_blocks` is never used
[INFO] [stdout]    --> src/tangram.rs:222:15
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub(crate) fn render_blocks(framebuffer: &mut [u8], width: usize, height: usize, count: usize) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `core::ptr::mut_ptr::<impl *mut T>::read_volatile` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/race_adder_mutex_blocking.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let cur = a.read_volatile();
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/bin/race_adder_mutex_blocking.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | unsafe fn f() -> isize {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout]    = note: `#[warn(unsafe_op_in_unsafe_fn)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: call to unsafe function `core::ptr::mut_ptr::<impl *mut T>::write_volatile` is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/race_adder_mutex_blocking.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |         a.write_volatile(cur + 1);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^ call to unsafe function
[INFO] [stdout]    |
[INFO] [stdout]    = note: consult the function's documentation for information on how to avoid undefined behavior
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/unsafe-op-in-unsafe-fn.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a0`: unknown register
[INFO] [stdout]    --> src/bin/tetris.rs:173:13
[INFO] [stdout]     |
[INFO] [stdout] 173 |             inlateout("a0") a0 as isize => ret,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid register `a7`: unknown register
[INFO] [stdout]    --> src/bin/tetris.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             in("a7") id,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcQAQMzY/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-e43dee3c0a33a5c2,libtg_rcore_tutorial_syscall-e72e044839b0f268,libtg_rcore_tutorial_signal_defs-9e2896d29983ea43,libnumeric_enum_macro-cc155e67242600de,libbitflags-e9eea2028f9becb3,libtg_rcore_tutorial_console-4ae126f7a2899876,libspin-8367eaa6ccc41342,liblock_api-ec0a520dc28c2410,libscopeguard-e8cce494a631202a,liblog-635f30ca537115c6,libcustomizable_buddy-0fe7e6a335b51484}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcQAQMzY/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/00hello_world-bfcafd649acc672a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at lib.rs:33 (src/lib.rs:33)
[INFO] [stdout]           >>>            user_lib-e43dee3c0a33a5c2.user_lib.6324017d707de65f-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-e43dee3c0a33a5c2.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustc5HVu29/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-e43dee3c0a33a5c2,libtg_rcore_tutorial_syscall-e72e044839b0f268,libtg_rcore_tutorial_signal_defs-9e2896d29983ea43,libnumeric_enum_macro-cc155e67242600de,libbitflags-e9eea2028f9becb3,libtg_rcore_tutorial_console-4ae126f7a2899876,libspin-8367eaa6ccc41342,liblock_api-ec0a520dc28c2410,libscopeguard-e8cce494a631202a,liblog-635f30ca537115c6,libcustomizable_buddy-0fe7e6a335b51484}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustc5HVu29/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ch8b_usertest-495055ba16cb017d" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at lib.rs:33 (src/lib.rs:33)
[INFO] [stdout]           >>>            user_lib-e43dee3c0a33a5c2.user_lib.6324017d707de65f-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-e43dee3c0a33a5c2.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcIDqipf/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-e43dee3c0a33a5c2,libtg_rcore_tutorial_syscall-e72e044839b0f268,libtg_rcore_tutorial_signal_defs-9e2896d29983ea43,libnumeric_enum_macro-cc155e67242600de,libbitflags-e9eea2028f9becb3,libtg_rcore_tutorial_console-4ae126f7a2899876,libspin-8367eaa6ccc41342,liblock_api-ec0a520dc28c2410,libscopeguard-e8cce494a631202a,liblog-635f30ca537115c6,libcustomizable_buddy-0fe7e6a335b51484}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcIDqipf/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/t3l2_step_06-f2f1adbdbeeb9dbf" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at lib.rs:33 (src/lib.rs:33)
[INFO] [stdout]           >>>            user_lib-e43dee3c0a33a5c2.user_lib.6324017d707de65f-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-e43dee3c0a33a5c2.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcZddli1/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-e43dee3c0a33a5c2,libtg_rcore_tutorial_syscall-e72e044839b0f268,libtg_rcore_tutorial_signal_defs-9e2896d29983ea43,libnumeric_enum_macro-cc155e67242600de,libbitflags-e9eea2028f9becb3,libtg_rcore_tutorial_console-4ae126f7a2899876,libspin-8367eaa6ccc41342,liblock_api-ec0a520dc28c2410,libscopeguard-e8cce494a631202a,liblog-635f30ca537115c6,libcustomizable_buddy-0fe7e6a335b51484}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcZddli1/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/t3l2_step_07-2604311f42ed7665" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at lib.rs:33 (src/lib.rs:33)
[INFO] [stdout]           >>>            user_lib-e43dee3c0a33a5c2.user_lib.6324017d707de65f-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-e43dee3c0a33a5c2.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user-T3L3` (bin "00hello_world") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user-T3L3` (bin "t3l2_step_06") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user-T3L3` (bin "t3l2_step_07") due to 1 previous error
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustc6Atkc7/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-e43dee3c0a33a5c2,libtg_rcore_tutorial_syscall-e72e044839b0f268,libtg_rcore_tutorial_signal_defs-9e2896d29983ea43,libnumeric_enum_macro-cc155e67242600de,libbitflags-e9eea2028f9becb3,libtg_rcore_tutorial_console-4ae126f7a2899876,libspin-8367eaa6ccc41342,liblock_api-ec0a520dc28c2410,libscopeguard-e8cce494a631202a,liblog-635f30ca537115c6,libcustomizable_buddy-0fe7e6a335b51484}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustc6Atkc7/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ch5_spawn1-71881f9acdc64d6a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at lib.rs:33 (src/lib.rs:33)
[INFO] [stdout]           >>>            user_lib-e43dee3c0a33a5c2.user_lib.6324017d707de65f-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-e43dee3c0a33a5c2.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcSmSU0L/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-e43dee3c0a33a5c2,libtg_rcore_tutorial_syscall-e72e044839b0f268,libtg_rcore_tutorial_signal_defs-9e2896d29983ea43,libnumeric_enum_macro-cc155e67242600de,libbitflags-e9eea2028f9becb3,libtg_rcore_tutorial_console-4ae126f7a2899876,libspin-8367eaa6ccc41342,liblock_api-ec0a520dc28c2410,libscopeguard-e8cce494a631202a,liblog-635f30ca537115c6,libcustomizable_buddy-0fe7e6a335b51484}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcSmSU0L/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ch5_stride3-cd723e6ed040a5f2" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at lib.rs:33 (src/lib.rs:33)
[INFO] [stdout]           >>>            user_lib-e43dee3c0a33a5c2.user_lib.6324017d707de65f-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-e43dee3c0a33a5c2.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user-T3L3` (bin "tetris") due to 2 previous errors
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user-T3L3` (bin "ch8b_usertest") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user-T3L3` (bin "ch5_spawn1") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user-T3L3` (bin "ch5_stride3") due to 1 previous error
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcTyX2vG/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-e43dee3c0a33a5c2,libtg_rcore_tutorial_syscall-e72e044839b0f268,libtg_rcore_tutorial_signal_defs-9e2896d29983ea43,libnumeric_enum_macro-cc155e67242600de,libbitflags-e9eea2028f9becb3,libtg_rcore_tutorial_console-4ae126f7a2899876,libspin-8367eaa6ccc41342,liblock_api-ec0a520dc28c2410,libscopeguard-e8cce494a631202a,liblog-635f30ca537115c6,libcustomizable_buddy-0fe7e6a335b51484}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcTyX2vG/raw-dylibs" "-Wl,-Bdynamic" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/race_adder_mutex_blocking-4a77d451f38a75b7" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: duplicate symbol: _start
[INFO] [stdout]           >>> defined at /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at lib.rs:33 (src/lib.rs:33)
[INFO] [stdout]           >>>            user_lib-e43dee3c0a33a5c2.user_lib.6324017d707de65f-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-e43dee3c0a33a5c2.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0133`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user-T3L3` (bin "race_adder_mutex_blocking") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8bc05a506b712c440e580c4e335dfc950ee190610fc08b5e082f673ddd7e4244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc05a506b712c440e580c4e335dfc950ee190610fc08b5e082f673ddd7e4244", kill_on_drop: false }`
[INFO] [stdout] 8bc05a506b712c440e580c4e335dfc950ee190610fc08b5e082f673ddd7e4244
