[INFO] fetching crate cargo-dtc 1.7.6...
[INFO] building cargo-dtc-1.7.6 against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868
[INFO] extracting crate cargo-dtc 1.7.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cargo-dtc 1.7.6
[INFO] finished tweaking crates.io crate cargo-dtc 1.7.6
[INFO] tweaked toml for crates.io crate cargo-dtc 1.7.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-dtc 1.7.6 on toolchain 23647e694de8d0904848ad068b2e0ec2dd098c37
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-dtc 1.7.6 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" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df50026fbc35189c295a405f5559e78715550e06f10c5096a2f7a863afbc3973
[INFO] running `Command { std: "docker" "start" "-a" "df50026fbc35189c295a405f5559e78715550e06f10c5096a2f7a863afbc3973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df50026fbc35189c295a405f5559e78715550e06f10c5096a2f7a863afbc3973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df50026fbc35189c295a405f5559e78715550e06f10c5096a2f7a863afbc3973", kill_on_drop: false }`
[INFO] [stdout] df50026fbc35189c295a405f5559e78715550e06f10c5096a2f7a863afbc3973
[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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] 01719ab9f84c9e522e1157cc8b06a02f4115df9af7772d8eca9810de08aa41a1
[INFO] running `Command { std: "docker" "start" "-a" "01719ab9f84c9e522e1157cc8b06a02f4115df9af7772d8eca9810de08aa41a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.99
[INFO] [stderr]    Compiling cargo-dtc v1.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `rust-lld` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "rust-lld" "-flavor" "wasm" "--export" "__main_void" "-z" "stack-size=1048576" "--stack-first" "--no-demangle" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained/crt1-command.o" "<2 object files omitted>" "-l" "dtc" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/{libpanic_abort-*,libstd-*,libwasi-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*}.rlib" "-l" "c" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out" "-L" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained" "-o" "/opt/rustwide/target/wasm32-wasip1/debug/deps/cargo_dtc-928e1e3729fa9fa9.wasm" "--gc-sections" "-O0"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-checks.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-data.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-dtc.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-flattree.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-fstree.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-livetree.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-srcpos.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-treesource.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-util.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-dtc-lexer.lex.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: warning: /opt/rustwide/target/wasm32-wasip1/debug/build/cargo-dtc-a5caf4b6abac65fb/out/libdtc.a: archive member 'd385406933fceb3b-dtc-parser.tab.o' is neither Wasm object file nor LLVM bitcode
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/cargo_dtc-928e1e3729fa9fa9.cargo_dtc.2edb97d5efad0d30-cgu.0.rcgu.o: undefined symbol: dtc_main
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-dtc` (bin "cargo-dtc") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "01719ab9f84c9e522e1157cc8b06a02f4115df9af7772d8eca9810de08aa41a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01719ab9f84c9e522e1157cc8b06a02f4115df9af7772d8eca9810de08aa41a1", kill_on_drop: false }`
[INFO] [stdout] 01719ab9f84c9e522e1157cc8b06a02f4115df9af7772d8eca9810de08aa41a1