[INFO] fetching crate wpj-tg-rcore-tutorial-user 0.0.0...
[INFO] testing wpj-tg-rcore-tutorial-user-0.0.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate wpj-tg-rcore-tutorial-user 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate wpj-tg-rcore-tutorial-user 0.0.0
[INFO] finished tweaking crates.io crate wpj-tg-rcore-tutorial-user 0.0.0
[INFO] tweaked toml for crates.io crate wpj-tg-rcore-tutorial-user 0.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wpj-tg-rcore-tutorial-user 0.0.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wpj-tg-rcore-tutorial-user 0.0.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]   Downloaded customizable-buddy v0.0.2
[INFO] [stderr]   Downloaded numeric-enum-macro v0.2.0
[INFO] [stderr]   Downloaded tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]   Downloaded tg-rcore-tutorial-console v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757
[INFO] running `Command { std: "docker" "start" "be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling numeric-enum-macro v0.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-syscall v0.4.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling wpj-tg-rcore-tutorial-user v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling customizable-buddy v0.0.2
[INFO] [stderr]    Compiling tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling tg-rcore-tutorial-console v0.4.8
[INFO] [stderr] error: could not compile `wpj-tg-rcore-tutorial-user` (bin "sched_lab_mixed") 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/release/deps/rustcIyjyRR/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/deps/{libuser_lib-d6978192c6121007,libtg_rcore_tutorial_syscall-3c70f27182e2e51b,libtg_rcore_tutorial_signal_defs-de04c9333cfd0df7,libnumeric_enum_macro-3a700e81d16093a7,libbitflags-9efd7935be7050eb,libtg_rcore_tutorial_console-a19f79acea104049,libspin-37e913bc731556dd,liblock_api-4fd185a191d09ed3,libscopeguard-692a23ecf302ea72,liblog-1fa38f82881ef693,libcustomizable_buddy-bfd4c5b4e1f44b42}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/release/deps/rustcIyjyRR/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/release/deps/sched_lab_mixed-38cbbcddf568d103" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at user_lib.de44628281e316e0-cgu.0
[INFO] [stdout]           >>>            user_lib-d6978192c6121007.user_lib.de44628281e316e0-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/release/deps/libuser_lib-d6978192c6121007.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `wpj-tg-rcore-tutorial-user` (bin "ch5_stride1") 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/release/deps/rustcLxulpo/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/deps/{libuser_lib-d6978192c6121007,libtg_rcore_tutorial_syscall-3c70f27182e2e51b,libtg_rcore_tutorial_signal_defs-de04c9333cfd0df7,libnumeric_enum_macro-3a700e81d16093a7,libbitflags-9efd7935be7050eb,libtg_rcore_tutorial_console-a19f79acea104049,libspin-37e913bc731556dd,liblock_api-4fd185a191d09ed3,libscopeguard-692a23ecf302ea72,liblog-1fa38f82881ef693,libcustomizable_buddy-bfd4c5b4e1f44b42}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/release/deps/rustcLxulpo/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/release/deps/ch5_stride1-ac174681c33d1699" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at user_lib.de44628281e316e0-cgu.0
[INFO] [stdout]           >>>            user_lib-d6978192c6121007.user_lib.de44628281e316e0-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/release/deps/libuser_lib-d6978192c6121007.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/release/deps/rustc7lvCkc/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/deps/{libuser_lib-d6978192c6121007,libtg_rcore_tutorial_syscall-3c70f27182e2e51b,libtg_rcore_tutorial_signal_defs-de04c9333cfd0df7,libnumeric_enum_macro-3a700e81d16093a7,libbitflags-9efd7935be7050eb,libtg_rcore_tutorial_console-a19f79acea104049,libspin-37e913bc731556dd,liblock_api-4fd185a191d09ed3,libscopeguard-692a23ecf302ea72,liblog-1fa38f82881ef693,libcustomizable_buddy-bfd4c5b4e1f44b42}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/release/deps/rustc7lvCkc/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/release/deps/sched_lab_interactive-95cce65fcf3a4993" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at user_lib.de44628281e316e0-cgu.0
[INFO] [stdout]           >>>            user_lib-d6978192c6121007.user_lib.de44628281e316e0-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/release/deps/libuser_lib-d6978192c6121007.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wpj-tg-rcore-tutorial-user` (bin "sched_lab_interactive") 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/release/deps/rustc4fEQS9/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/deps/{libuser_lib-d6978192c6121007,libtg_rcore_tutorial_syscall-3c70f27182e2e51b,libtg_rcore_tutorial_signal_defs-de04c9333cfd0df7,libnumeric_enum_macro-3a700e81d16093a7,libbitflags-9efd7935be7050eb,libtg_rcore_tutorial_console-a19f79acea104049,libspin-37e913bc731556dd,liblock_api-4fd185a191d09ed3,libscopeguard-692a23ecf302ea72,liblog-1fa38f82881ef693,libcustomizable_buddy-bfd4c5b4e1f44b42}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/release/deps/rustc4fEQS9/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/release/deps/ch6_usertest-2d3b2f236d44f755" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at user_lib.de44628281e316e0-cgu.0
[INFO] [stdout]           >>>            user_lib-d6978192c6121007.user_lib.de44628281e316e0-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/release/deps/libuser_lib-d6978192c6121007.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wpj-tg-rcore-tutorial-user` (bin "ch6_usertest") 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/release/deps/rustcC0oTtA/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/deps/{libuser_lib-d6978192c6121007,libtg_rcore_tutorial_syscall-3c70f27182e2e51b,libtg_rcore_tutorial_signal_defs-de04c9333cfd0df7,libnumeric_enum_macro-3a700e81d16093a7,libbitflags-9efd7935be7050eb,libtg_rcore_tutorial_console-a19f79acea104049,libspin-37e913bc731556dd,liblock_api-4fd185a191d09ed3,libscopeguard-692a23ecf302ea72,liblog-1fa38f82881ef693,libcustomizable_buddy-bfd4c5b4e1f44b42}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/release/deps/rustcC0oTtA/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/release/deps/ch5_stride0-f51de12a3e1962ee" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at user_lib.de44628281e316e0-cgu.0
[INFO] [stdout]           >>>            user_lib-d6978192c6121007.user_lib.de44628281e316e0-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/release/deps/libuser_lib-d6978192c6121007.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wpj-tg-rcore-tutorial-user` (bin "ch5_stride0") 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/release/deps/rustc5ej4D5/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/deps/{libuser_lib-d6978192c6121007,libtg_rcore_tutorial_syscall-3c70f27182e2e51b,libtg_rcore_tutorial_signal_defs-de04c9333cfd0df7,libnumeric_enum_macro-3a700e81d16093a7,libbitflags-9efd7935be7050eb,libtg_rcore_tutorial_console-a19f79acea104049,libspin-37e913bc731556dd,liblock_api-4fd185a191d09ed3,libscopeguard-692a23ecf302ea72,liblog-1fa38f82881ef693,libcustomizable_buddy-bfd4c5b4e1f44b42}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/release/deps/rustc5ej4D5/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/release/deps/01store_fault-b6fd9092eb184448" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at user_lib.de44628281e316e0-cgu.0
[INFO] [stdout]           >>>            user_lib-d6978192c6121007.user_lib.de44628281e316e0-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/release/deps/libuser_lib-d6978192c6121007.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wpj-tg-rcore-tutorial-user` (bin "01store_fault") 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/release/deps/rustcZbB8P0/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/deps/{libuser_lib-d6978192c6121007,libtg_rcore_tutorial_syscall-3c70f27182e2e51b,libtg_rcore_tutorial_signal_defs-de04c9333cfd0df7,libnumeric_enum_macro-3a700e81d16093a7,libbitflags-9efd7935be7050eb,libtg_rcore_tutorial_console-a19f79acea104049,libspin-37e913bc731556dd,liblock_api-4fd185a191d09ed3,libscopeguard-692a23ecf302ea72,liblog-1fa38f82881ef693,libcustomizable_buddy-bfd4c5b4e1f44b42}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/release/deps/rustcZbB8P0/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/release/deps/02power-fa703188e777af2d" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at user_lib.de44628281e316e0-cgu.0
[INFO] [stdout]           >>>            user_lib-d6978192c6121007.user_lib.de44628281e316e0-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/release/deps/libuser_lib-d6978192c6121007.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wpj-tg-rcore-tutorial-user` (bin "02power") due to 1 previous error
[INFO] [stderr] error: could not compile `wpj-tg-rcore-tutorial-user` (bin "sched_lab_io") 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/release/deps/rustczTOleW/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/release/deps/{libuser_lib-d6978192c6121007,libtg_rcore_tutorial_syscall-3c70f27182e2e51b,libtg_rcore_tutorial_signal_defs-de04c9333cfd0df7,libnumeric_enum_macro-3a700e81d16093a7,libbitflags-9efd7935be7050eb,libtg_rcore_tutorial_console-a19f79acea104049,libspin-37e913bc731556dd,liblock_api-4fd185a191d09ed3,libscopeguard-692a23ecf302ea72,liblog-1fa38f82881ef693,libcustomizable_buddy-bfd4c5b4e1f44b42}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/release/deps/rustczTOleW/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/release/deps/sched_lab_io-5b6d55a53bd11cac" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-Wl,--strip-debug" "-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/15/../../../x86_64-linux-gnu/Scrt1.o:(_start)
[INFO] [stdout]           >>> defined at user_lib.de44628281e316e0-cgu.0
[INFO] [stdout]           >>>            user_lib-d6978192c6121007.user_lib.de44628281e316e0-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/release/deps/libuser_lib-d6978192c6121007.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757", kill_on_drop: false }`
[INFO] [stdout] be83fde55d6330c3dbdd9e5594f77a47165ff04bc3f4ddcc1bf3b1d88c90f757
