[INFO] fetching crate tg-user 0.4.2-preview.1...
[INFO] testing tg-user-0.4.2-preview.1 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate tg-user 0.4.2-preview.1 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tg-user 0.4.2-preview.1
[INFO] finished tweaking crates.io crate tg-user 0.4.2-preview.1
[INFO] tweaked toml for crates.io crate tg-user 0.4.2-preview.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-user 0.4.2-preview.1 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-user 0.4.2-preview.1 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8631ca6b163c151e1b7e54afc9f14b7e8574cf6e74852cfb85b2e2996db4259
[INFO] running `Command { std: "docker" "start" "-a" "c8631ca6b163c151e1b7e54afc9f14b7e8574cf6e74852cfb85b2e2996db4259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8631ca6b163c151e1b7e54afc9f14b7e8574cf6e74852cfb85b2e2996db4259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8631ca6b163c151e1b7e54afc9f14b7e8574cf6e74852cfb85b2e2996db4259", kill_on_drop: false }`
[INFO] [stdout] c8631ca6b163c151e1b7e54afc9f14b7e8574cf6e74852cfb85b2e2996db4259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e66ab561cfec356c3987794e034bf79ed41a1b6af4bb3696e4929fb67d582317
[INFO] running `Command { std: "docker" "start" "-a" "e66ab561cfec356c3987794e034bf79ed41a1b6af4bb3696e4929fb67d582317", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling numeric-enum-macro v0.2.0
[INFO] [stderr]    Compiling tg-syscall v0.4.2-preview.1
[INFO] [stderr]    Compiling tg-user v0.4.2-preview.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling customizable-buddy v0.0.2
[INFO] [stderr]    Compiling tg-signal-defs v0.4.2-preview.1
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tg-console v0.4.2-preview.1
[INFO] [stdout] warning[E0133]: dereference of raw pointer is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let id = *id;
[INFO] [stdout]    |              ^^^ dereference of raw pointer
[INFO] [stdout]    |
[INFO] [stdout]    = note: raw pointers may be null, dangling or unaligned; they can violate aliasing rules and cause data races: all of these are undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | unsafe fn producer(id: *const usize) -> 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]: use of mutable static is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         BUFFER[FRONT] = id;
[INFO] [stdout]    |         ^^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause 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] warning[E0133]: use of mutable static is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 |         BUFFER[FRONT] = id;
[INFO] [stdout]    |                ^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause 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] warning[E0133]: use of mutable static is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         FRONT = (FRONT + 1) % BUFFER_SIZE;
[INFO] [stdout]    |         ^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause 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] warning[E0133]: use of mutable static is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |         FRONT = (FRONT + 1) % BUFFER_SIZE;
[INFO] [stdout]    |                  ^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause 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] warning[E0133]: use of mutable static is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:45:23
[INFO] [stdout]    |
[INFO] [stdout] 45 |         print!("{} ", BUFFER[TAIL]);
[INFO] [stdout]    |                       ^^^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause undefined behavior
[INFO] [stdout] note: an unsafe function restricts its caller, but its body is safe by default
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:41:1
[INFO] [stdout]    |
[INFO] [stdout] 41 | unsafe fn consumer() -> 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] 
[INFO] [stdout] 
[INFO] [stdout] warning[E0133]: use of mutable static is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |         print!("{} ", BUFFER[TAIL]);
[INFO] [stdout]    |                              ^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause 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] warning[E0133]: use of mutable static is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         TAIL = (TAIL + 1) % BUFFER_SIZE;
[INFO] [stdout]    |         ^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause 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] warning[E0133]: use of mutable static is unsafe and requires unsafe block
[INFO] [stdout]   --> src/bin/mpsc_sem.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |         TAIL = (TAIL + 1) % BUFFER_SIZE;
[INFO] [stdout]    |                 ^^^^ use of mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable statics can be mutated by multiple threads: aliasing violations or data races will cause 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] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/bin/sig_tests.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |     new.handler = func as usize;
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(function_casts_as_integer)]` on by default
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     new.handler = func as *const () as usize;
[INFO] [stdout]    |                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: direct cast of function item into an integer
[INFO] [stdout]   --> src/bin/sig_tests.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |     new.handler = func as usize;
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: first cast to a pointer `as *const ()`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     new.handler = func as *const () as usize;
[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/rustcrryMS7/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcrryMS7/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/ch3_sleep1-2165637c090777e3" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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/rustcVYDNQf/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcVYDNQf/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/sync_sem-d40ff5edca900107" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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/rustcHziU3A/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcHziU3A/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/ch3_sleep-bac8bd207397e32b" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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/rustc6vHT6u/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustc6vHT6u/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/sig_tests-cad61dbb79d80acd" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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/rustcNdvEGv/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcNdvEGv/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/11sleep-405af9b5e4fa5a75" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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/rustcf79Nja/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcf79Nja/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/07write_c-ae887cf8fda0cf3e" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-user` (bin "ch3_sleep1") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tg-user` (bin "sync_sem") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-user` (bin "07write_c") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-user` (bin "ch3_sleep") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-user` (bin "sig_tests") due to 1 previous error; 2 warnings emitted
[INFO] [stderr] error: could not compile `tg-user` (bin "11sleep") 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/rustcAFnRLb/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcAFnRLb/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_stride4-d694232bc7f85c74" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-user` (bin "ch5_stride4") 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/rustc2Ints2/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustc2Ints2/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/ch4_trace-bbf86c0231095b44" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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/rustczXMtg8/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustczXMtg8/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/ch5b_usertest-fcc8e783481cde93" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-user` (bin "ch5b_usertest") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-user` (bin "ch4_trace") 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/rustcM2RtL8/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcM2RtL8/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_spawn0-8e2f7364e964624c" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-user` (bin "ch5_spawn0") 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/rustcPdJL0k/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcPdJL0k/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/mpsc_sem-fb19268791fc3f43" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcEi1Rov/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcEi1Rov/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/15matrix-741c44306c40e8d4" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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/rustcLUjkGj/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcLUjkGj/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/ch4_unmap-30b154fdfb060051" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.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/rustcT5ZajZ/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcT5ZajZ/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/ch4_mmap3-ed18a5eb4f192bc2" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-user` (bin "ch4_mmap3") 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/rustcv4scUS/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcv4scUS/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/ch8_deadlock_sem2-53be10554878c5a1" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-user` (bin "ch8_deadlock_sem2") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-user` (bin "15matrix") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-user` (bin "mpsc_sem") due to 1 previous error; 9 warnings emitted
[INFO] [stderr] error: could not compile `tg-user` (bin "ch4_unmap") 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/rustceRfHIq/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-c6636752ccf654be,libtg_syscall-df00a58c71d49122,libtg_signal_defs-4c96101ebb9de2b2,libnumeric_enum_macro-c9aaee5688a7adbc,libbitflags-2adfc4d1345ba0b9,libtg_console-71b990daa1ba6255,libspin-f3a4c05a01b1a77f,liblock_api-3fe0b79d48540412,libscopeguard-9a40176085421c5a,liblog-6f0b7ca2f57a58b6,libcustomizable_buddy-8e64319621227f23}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustceRfHIq/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/ch3_trace-673ae7aaa422e580" "-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:19 (src/lib.rs:19)
[INFO] [stdout]           >>>            user_lib-c6636752ccf654be.user_lib.5ca7a3f8efab3f3a-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-c6636752ccf654be.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-user` (bin "ch3_trace") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e66ab561cfec356c3987794e034bf79ed41a1b6af4bb3696e4929fb67d582317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e66ab561cfec356c3987794e034bf79ed41a1b6af4bb3696e4929fb67d582317", kill_on_drop: false }`
[INFO] [stdout] e66ab561cfec356c3987794e034bf79ed41a1b6af4bb3696e4929fb67d582317
