[INFO] fetching crate tg-rcore-tutorial-games-ch6-breakout-user 0.1.0-preview.1...
[INFO] testing tg-rcore-tutorial-games-ch6-breakout-user-0.1.0-preview.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tg-rcore-tutorial-games-ch6-breakout-user 0.1.0-preview.1 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tg-rcore-tutorial-games-ch6-breakout-user 0.1.0-preview.1
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-games-ch6-breakout-user 0.1.0-preview.1
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-games-ch6-breakout-user 0.1.0-preview.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-games-ch6-breakout-user 0.1.0-preview.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-rcore-tutorial-games-ch6-breakout-user 0.1.0-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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 801e1f93a632769324507eb96788aadd85f762e268beaa2ef942cb691b5c4442
[INFO] running `Command { std: "docker" "start" "-a" "801e1f93a632769324507eb96788aadd85f762e268beaa2ef942cb691b5c4442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "801e1f93a632769324507eb96788aadd85f762e268beaa2ef942cb691b5c4442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "801e1f93a632769324507eb96788aadd85f762e268beaa2ef942cb691b5c4442", kill_on_drop: false }`
[INFO] [stdout] 801e1f93a632769324507eb96788aadd85f762e268beaa2ef942cb691b5c4442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cdbffa6d6d81f6e5665381662021f26d74e940e1777b2efa7d844912bb474da
[INFO] running `Command { std: "docker" "start" "-a" "2cdbffa6d6d81f6e5665381662021f26d74e940e1777b2efa7d844912bb474da", 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-games-syscall v0.1.0-preview.3
[INFO] [stderr]    Compiling tg-rcore-tutorial-games-ch6-breakout-user v0.1.0-preview.1 (/opt/rustwide/workdir)
[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 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] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustczGwZ6j/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustczGwZ6j/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/ch6_forktest-22bf69f9f077d973" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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-games-ch6-breakout-user` (bin "ch6-forktest") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcO4ThoR/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcO4ThoR/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/ch6_font-0b51974f695ebb3b" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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/rustc0X06hr/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustc0X06hr/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/ch6_keyshow-f59b1f8e09b52f51" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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-games-ch6-breakout-user` (bin "ch6-font") 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/rustcNnc28D/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcNnc28D/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/ch6_pingpong-4ddcf5df30f22d87" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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-games-ch6-breakout-user` (bin "ch6-keyshow") 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/rustcfYaqPv/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcfYaqPv/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/ch6_breakout-3e43c7a37c3e3cc3" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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-games-ch6-breakout-user` (bin "ch6-pingpong") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-games-ch6-breakout-user` (bin "ch6-breakout") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-games-ch6-breakout-user` (bin "ch6-tangram") 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/rustcfOzFkg/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcfOzFkg/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/ch6_tangram-81e1fdfbc8f6664b" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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/rustcXNc3q2/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcXNc3q2/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/ch6_tetris-53914b05a9114d6a" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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-games-ch6-breakout-user` (bin "ch6-tetris") 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/rustcTFpwj8/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcTFpwj8/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/ch6_hello-b611bc094cd1ac4a" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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-games-ch6-breakout-user` (bin "ch6-hello") 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/rustcUWtv5s/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcUWtv5s/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/user_shell-4fc35a697d8d5f41" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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-games-ch6-breakout-user` (bin "user-shell") 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/rustcNU0g9W/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-d71db998c441b463,libtg_rcore_tutorial_games_syscall-c515a78c5c5ac4ac,libtg_rcore_tutorial_signal_defs-2a682dbfe058713e,libnumeric_enum_macro-b8e6154a36bb70a0,libbitflags-196d265a374bc252,libtg_rcore_tutorial_console-06074361e9ce1caa,libspin-1985f514bef1f021,liblock_api-1f7acb22135b36e0,libscopeguard-fada665898fbe050,liblog-bed0e434ba27c31f,libcustomizable_buddy-a0bfe9a55870cc63}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcNU0g9W/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/ch6_snake-bbac1e3964e5aac1" "-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:21 (src/lib.rs:21)
[INFO] [stdout]           >>>            games_lib-d71db998c441b463.games_lib.906f32b359b3596b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-d71db998c441b463.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-games-ch6-breakout-user` (bin "ch6-snake") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2cdbffa6d6d81f6e5665381662021f26d74e940e1777b2efa7d844912bb474da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdbffa6d6d81f6e5665381662021f26d74e940e1777b2efa7d844912bb474da", kill_on_drop: false }`
[INFO] [stdout] 2cdbffa6d6d81f6e5665381662021f26d74e940e1777b2efa7d844912bb474da
