[INFO] fetching crate tg-rcore-tutorial-user 0.4.10...
[INFO] testing tg-rcore-tutorial-user-0.4.10 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tg-rcore-tutorial-user 0.4.10 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 0.4.10
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-user 0.4.10
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-user 0.4.10 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-user 0.4.10 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-user 0.4.10 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-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee1cdad4f484e257a6508909c4f92cfac98ac27134a14da1ff33544b8e4cbafa
[INFO] running `Command { std: "docker" "start" "-a" "ee1cdad4f484e257a6508909c4f92cfac98ac27134a14da1ff33544b8e4cbafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1cdad4f484e257a6508909c4f92cfac98ac27134a14da1ff33544b8e4cbafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1cdad4f484e257a6508909c4f92cfac98ac27134a14da1ff33544b8e4cbafa", kill_on_drop: false }`
[INFO] [stdout] ee1cdad4f484e257a6508909c4f92cfac98ac27134a14da1ff33544b8e4cbafa
[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=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] e9a3f9336e72b8309b184db594630821968f8b83068a6992868195ee4fb6db06
[INFO] running `Command { std: "docker" "start" "-a" "e9a3f9336e72b8309b184db594630821968f8b83068a6992868195ee4fb6db06", 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 log v0.4.29
[INFO] [stderr]    Compiling tg-rcore-tutorial-user v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling customizable-buddy v0.0.4
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling tg-rcore-tutorial-signal-defs v0.4.8
[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/rustcKMcLng/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcKMcLng/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/01store_fault-b44c6067d59b32fd" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: invalid instruction mnemonic 'sret'
[INFO] [stdout]   --> src/bin/03priv_inst.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 |     unsafe { core::arch::asm!("sret") };
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: instantiated into assembly here
[INFO] [stdout]   --> <inline asm>:2:2
[INFO] [stdout]    |
[INFO] [stdout]  2 |     sret
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user` (bin "03priv_inst") 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/rustc7Dif14/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustc7Dif14/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/06write_b-522c79284fd09e17" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcThbVJM/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcThbVJM/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_file0-f49d947b26c10ff5" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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/rustcj3vn36/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcj3vn36/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-7a54e381120bd3b2" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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/rustcD6v3Hl/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcD6v3Hl/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_stride-a7446f3130195c79" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "06write_b") 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/rustcphcDOZ/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcphcDOZ/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/14forktest2-f0a217b5bc515b5f" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "14forktest2") 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/rustcySs49G/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcySs49G/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_exit0-47cc30ee7a2b8df3" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (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/debug/deps/rustcK1KCzZ/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcK1KCzZ/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/cat_filea-d8448fe911725512" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "cat_filea") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user` (bin "ch3_sleep") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user` (bin "ch6_file0") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user` (bin "ch5_exit0") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user` (bin "ch5_stride") 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/rustcTpv5vq/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcTpv5vq/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/13forktree-d08563d3e7ddc38c" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "13forktree") 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/rustcZQVp6c/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcZQVp6c/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/ch6b_usertest-89e81a740332196c" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "ch6b_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/debug/deps/rustcxQbvOI/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcxQbvOI/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_usertest-2f51aaeb1c3fa041" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "ch5_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/debug/deps/rustcf6W4kp/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcf6W4kp/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/pipe_large_test-9b3c45f7e9596475" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "pipe_large_test") 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/rustcPCSOPx/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcPCSOPx/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-f60e7236d5eed077" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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/rustciwLhcB/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustciwLhcB/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-eb56a71f55fd5797" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "ch5_spawn1") due to 1 previous error
[INFO] [stderr] error: could not compile `tg-rcore-tutorial-user` (bin "ch3_sleep1") 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/rustcqV4f3u/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libuser_lib-b3ac5377b13d17dd,libtg_rcore_tutorial_syscall-6deb8e12b85b8067,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-f64582c1b2c9d232}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcqV4f3u/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/threads-387a459352b7438b" "-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-b3ac5377b13d17dd.user_lib.9fc9b42ca37a9e3b-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libuser_lib-b3ac5377b13d17dd.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` (bin "threads") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e9a3f9336e72b8309b184db594630821968f8b83068a6992868195ee4fb6db06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a3f9336e72b8309b184db594630821968f8b83068a6992868195ee4fb6db06", kill_on_drop: false }`
[INFO] [stdout] e9a3f9336e72b8309b184db594630821968f8b83068a6992868195ee4fb6db06
