[INFO] fetching crate mythical 0.0.0...
[INFO] building mythical-0.0.0 against try#23647e694de8d0904848ad068b2e0ec2dd098c37+target=wasm32-wasip1 for pr-149868
[INFO] extracting crate mythical 0.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mythical 0.0.0
[INFO] finished tweaking crates.io crate mythical 0.0.0
[INFO] tweaked toml for crates.io crate mythical 0.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mythical 0.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23647e694de8d0904848ad068b2e0ec2dd098c37" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 0ad79b49d9fc184e8dbeda7bb9081d63860284330b262e4feeb248eb34ae23f8
[INFO] running `Command { std: "docker" "start" "-a" "0ad79b49d9fc184e8dbeda7bb9081d63860284330b262e4feeb248eb34ae23f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ad79b49d9fc184e8dbeda7bb9081d63860284330b262e4feeb248eb34ae23f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad79b49d9fc184e8dbeda7bb9081d63860284330b262e4feeb248eb34ae23f8", kill_on_drop: false }`
[INFO] [stdout] 0ad79b49d9fc184e8dbeda7bb9081d63860284330b262e4feeb248eb34ae23f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6753e1bcb325f15913d99a08f95e933ae3a0a6a5250424f58d0f329d154d3a33
[INFO] running `Command { std: "docker" "start" "-a" "6753e1bcb325f15913d99a08f95e933ae3a0a6a5250424f58d0f329d154d3a33", kill_on_drop: false }`
[INFO] [stderr]    Compiling mythical v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "6753e1bcb325f15913d99a08f95e933ae3a0a6a5250424f58d0f329d154d3a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6753e1bcb325f15913d99a08f95e933ae3a0a6a5250424f58d0f329d154d3a33", kill_on_drop: false }`
[INFO] [stdout] 6753e1bcb325f15913d99a08f95e933ae3a0a6a5250424f58d0f329d154d3a33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "test" "--frozen" "--no-run" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] cfd023cf7d11fe28168e0c76d943786ea0b1c7156c47d72d9b3d2c9ee4bc522f
[INFO] running `Command { std: "docker" "start" "-a" "cfd023cf7d11fe28168e0c76d943786ea0b1c7156c47d72d9b3d2c9ee4bc522f", kill_on_drop: false }`
[INFO] [stderr]    Compiling mythical v0.0.0 (/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>" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/{libpanic_abort-*,libtest-*,libgetopts-*,librustc_std_workspace_std-*,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" "<sysroot>/lib/rustlib/wasm32-wasip1/lib/self-contained" "-o" "/opt/rustwide/target/wasm32-wasip1/debug/deps/mythical-dda6fbb1cee4cd62.wasm" "--gc-sections" "-O0"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/mythical-dda6fbb1cee4cd62.mythical.d672053709094b4b-cgu.0.rcgu.o: undefined symbol: fork
[INFO] [stdout]           rust-lld: error: /opt/rustwide/target/wasm32-wasip1/debug/deps/mythical-dda6fbb1cee4cd62.mythical.d672053709094b4b-cgu.0.rcgu.o: undefined symbol: waitpid
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mythical` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "cfd023cf7d11fe28168e0c76d943786ea0b1c7156c47d72d9b3d2c9ee4bc522f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfd023cf7d11fe28168e0c76d943786ea0b1c7156c47d72d9b3d2c9ee4bc522f", kill_on_drop: false }`
[INFO] [stdout] cfd023cf7d11fe28168e0c76d943786ea0b1c7156c47d72d9b3d2c9ee4bc522f