[INFO] fetching crate tg-rcore-tutorial-games-ch4-tetris-user 0.1.0-preview.1...
[INFO] testing tg-rcore-tutorial-games-ch4-tetris-user-0.1.0-preview.1 against 1.95.0 for beta-1.96-2
[INFO] extracting crate tg-rcore-tutorial-games-ch4-tetris-user 0.1.0-preview.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tg-rcore-tutorial-games-ch4-tetris-user 0.1.0-preview.1
[INFO] finished tweaking crates.io crate tg-rcore-tutorial-games-ch4-tetris-user 0.1.0-preview.1
[INFO] tweaked toml for crates.io crate tg-rcore-tutorial-games-ch4-tetris-user 0.1.0-preview.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tg-rcore-tutorial-games-ch4-tetris-user 0.1.0-preview.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tg-rcore-tutorial-games-ch4-tetris-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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded customizable-buddy v0.0.2
[INFO] [stderr]   Downloaded tg-rcore-tutorial-games-syscall v0.1.0-preview.1
[INFO] [stderr]   Downloaded tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]   Downloaded numeric-enum-macro v0.2.0
[INFO] [stderr]   Downloaded tg-rcore-tutorial-console v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d259b28e49c913408f9198b08da2f83b33615ae724041f24515769f8d2607441
[INFO] running `Command { std: "docker" "start" "-a" "d259b28e49c913408f9198b08da2f83b33615ae724041f24515769f8d2607441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d259b28e49c913408f9198b08da2f83b33615ae724041f24515769f8d2607441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d259b28e49c913408f9198b08da2f83b33615ae724041f24515769f8d2607441", kill_on_drop: false }`
[INFO] [stdout] d259b28e49c913408f9198b08da2f83b33615ae724041f24515769f8d2607441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb2bc7efae28e29b386c6c382369e3072cd697d27443c43b76de6c51d3c96178
[INFO] running `Command { std: "docker" "start" "-a" "bb2bc7efae28e29b386c6c382369e3072cd697d27443c43b76de6c51d3c96178", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling tg-rcore-tutorial-games-syscall v0.1.0-preview.1
[INFO] [stderr]    Compiling numeric-enum-macro v0.2.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling tg-rcore-tutorial-games-ch4-tetris-user v0.1.0-preview.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling customizable-buddy v0.0.2
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling tg-rcore-tutorial-signal-defs v0.4.8
[INFO] [stderr]    Compiling 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/rustcjO0hTB/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-6f8069a248f51d5d,libtg_rcore_tutorial_games_syscall-01d5af8065ad689a,libtg_rcore_tutorial_signal_defs-6733bf32a1627404,libnumeric_enum_macro-ba2759959a4943d0,libbitflags-ff6be3a81e3401fe,libtg_rcore_tutorial_console-33b54663fa39f663,libspin-f8ceb3bf6162d528,liblock_api-d422089f2e408c49,libscopeguard-1f0cfbd0becb91c4,liblog-e8b5e4049a6321bf,libcustomizable_buddy-53d94ec43862d515}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcjO0hTB/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_tangram-319b6e9f9a83b65b" "-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]           >>>            games_lib-6f8069a248f51d5d.games_lib.ef2f0024c8d58edb-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-6f8069a248f51d5d.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-ch4-tetris-user` (bin "ch4-tangram") 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/rustcHMNTIx/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libgames_lib-6f8069a248f51d5d,libtg_rcore_tutorial_games_syscall-01d5af8065ad689a,libtg_rcore_tutorial_signal_defs-6733bf32a1627404,libnumeric_enum_macro-ba2759959a4943d0,libbitflags-ff6be3a81e3401fe,libtg_rcore_tutorial_console-33b54663fa39f663,libspin-f8ceb3bf6162d528,liblock_api-d422089f2e408c49,libscopeguard-1f0cfbd0becb91c4,liblog-e8b5e4049a6321bf,libcustomizable_buddy-53d94ec43862d515}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/debug/deps/rustcHMNTIx/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_tetris-3753f8c1cb0e3997" "-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]           >>>            games_lib-6f8069a248f51d5d.games_lib.ef2f0024c8d58edb-cgu.0.rcgu.o:(.text.entry+0x0) in archive /opt/rustwide/target/debug/deps/libgames_lib-6f8069a248f51d5d.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-ch4-tetris-user` (bin "ch4-tetris") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bb2bc7efae28e29b386c6c382369e3072cd697d27443c43b76de6c51d3c96178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb2bc7efae28e29b386c6c382369e3072cd697d27443c43b76de6c51d3c96178", kill_on_drop: false }`
[INFO] [stdout] bb2bc7efae28e29b386c6c382369e3072cd697d27443c43b76de6c51d3c96178
