[INFO] cloning repository https://github.com/tensor-programming/experimental [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tensor-programming/experimental" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fexperimental", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fexperimental'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76a167d822f905673a5e45f2b3e76bd68f0a7659 [INFO] testing tensor-programming/experimental against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftensor-programming%2Fexperimental" "/workspace/builds/worker-61/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tensor-programming/experimental on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tensor-programming/experimental [INFO] finished tweaking git repo https://github.com/tensor-programming/experimental [INFO] tweaked toml for git repo https://github.com/tensor-programming/experimental written to /workspace/builds/worker-61/source/Cargo.toml [INFO] crate git repo https://github.com/tensor-programming/experimental already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded calloop v0.4.4 [INFO] [stderr] Downloaded rusttype v0.7.7 [INFO] [stderr] Downloaded cc v1.0.42 [INFO] [stderr] Downloaded unicode-width v0.1.6 [INFO] [stderr] Downloaded env_logger v0.6.2 [INFO] [stderr] Downloaded proc-macro-hack-impl v0.4.2 [INFO] [stderr] Downloaded termcolor v1.0.5 [INFO] [stderr] Downloaded derivative v1.0.3 [INFO] [stderr] Downloaded include_dir_impl v0.2.1 [INFO] [stderr] Downloaded include_dir v0.2.1 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded humantime v1.2.0 [INFO] [stderr] Downloaded downcast-rs v1.0.4 [INFO] [stderr] Downloaded smithay-client-toolkit v0.6.4 [INFO] [stderr] Downloaded wayland-client v0.23.5 [INFO] [stderr] Downloaded which v2.0.1 [INFO] [stderr] Downloaded bindgen v0.51.0 [INFO] [stderr] Downloaded proc-macro-hack v0.4.2 [INFO] [stderr] Downloaded stb_truetype v0.2.6 [INFO] [stderr] Downloaded backtrace v0.3.37 [INFO] [stderr] Downloaded wincolor v1.0.2 [INFO] [stderr] Downloaded pkg-config v0.3.15 [INFO] [stderr] Downloaded arrayvec v0.4.11 [INFO] [stderr] Downloaded winit v0.20.0-alpha3 [INFO] [stderr] Downloaded winrt v0.6.0 [INFO] [stderr] Downloaded dispatch v0.1.4 [INFO] [stderr] Downloaded wayland-scanner v0.23.5 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded core-video-sys v0.1.3 [INFO] [stderr] Downloaded wayland-commons v0.23.5 [INFO] [stderr] Downloaded wayland-sys v0.23.5 [INFO] [stderr] Downloaded wayland-protocols v0.23.5 [INFO] [stderr] Downloaded mio v0.6.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40641a23fb7ddf43e38fe1a65d27b4aeaefe84c06ccdb0e4b0bd9c9caa35fbd2 [INFO] running `Command { std: "docker" "start" "-a" "40641a23fb7ddf43e38fe1a65d27b4aeaefe84c06ccdb0e4b0bd9c9caa35fbd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40641a23fb7ddf43e38fe1a65d27b4aeaefe84c06ccdb0e4b0bd9c9caa35fbd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40641a23fb7ddf43e38fe1a65d27b4aeaefe84c06ccdb0e4b0bd9c9caa35fbd2", kill_on_drop: false }` [INFO] [stdout] 40641a23fb7ddf43e38fe1a65d27b4aeaefe84c06ccdb0e4b0bd9c9caa35fbd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 428aaba04325d0b4c78ed7978f34f8f436b39f1c751d42d0d6f0d7637734c127 [INFO] running `Command { std: "docker" "start" "-a" "428aaba04325d0b4c78ed7978f34f8f436b39f1c751d42d0d6f0d7637734c127", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling cc v1.0.42 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling xml-rs v0.8.0 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling bindgen v0.51.0 [INFO] [stderr] Compiling termcolor v1.0.5 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling pkg-config v0.3.15 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazycell v1.2.1 [INFO] [stderr] Compiling arrayvec v0.4.11 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling downcast-rs v1.0.4 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling proc-macro-hack-impl v0.4.2 [INFO] [stderr] Compiling xdg v2.2.0 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling stb_truetype v0.2.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling proc-macro-hack v0.4.2 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling raw-window-handle v0.1.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling wayland-scanner v0.23.5 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling mio v0.6.19 [INFO] [stderr] Compiling cexpr v0.3.5 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling wayland-sys v0.23.5 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling mio-extras v2.0.5 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling backtrace v0.3.37 [INFO] [stderr] Compiling rusttype v0.7.7 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling wayland-client v0.23.5 [INFO] [stderr] Compiling wayland-protocols v0.23.5 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling calloop v0.4.4 [INFO] [stderr] Compiling wayland-commons v0.23.5 [INFO] [stderr] Compiling derivative v1.0.3 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling include_dir_impl v0.2.1 [INFO] [stderr] Compiling include_dir v0.2.1 [INFO] [stderr] Compiling webview_api v0.1.0 (/opt/rustwide/workdir/api) [INFO] [stderr] Compiling webview-sys v0.1.0 (/opt/rustwide/workdir/sys) [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> api/build.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: failed to run custom build command for `webview_api v0.1.0 (/opt/rustwide/workdir/api)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/webview_api-393b35b98e7b8927/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'unsupported platform', api/build.rs:9:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55fcca4a7210 - std::backtrace_rs::backtrace::libunwind::trace::ha0ad43e8a952bfe7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55fcca4a7210 - std::backtrace_rs::backtrace::trace_unsynchronized::h6830419c0c4130dc [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55fcca4a7210 - std::sys_common::backtrace::_print_fmt::h8f3516631ffa1ef5 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55fcca4a7210 - ::fmt::he1640d5f0d93f618 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55fcca4c0d5c - core::fmt::write::h88012e1f01caeebf [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x55fcca4a5a15 - std::io::Write::write_fmt::h360fa85b30182555 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x55fcca4a8e6b - std::sys_common::backtrace::_print::ha1f00492f406a015 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55fcca4a8e6b - std::sys_common::backtrace::print::hd54561b13feb6af3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55fcca4a8e6b - std::panicking::default_hook::{{closure}}::h84fe124cd0864662 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55fcca4a8941 - std::panicking::default_hook::h5a8e74a76ce290a7 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55fcca4a9534 - std::panicking::rust_panic_with_hook::h67c812a4fe9d4c91 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x55fcca496963 - std::panicking::begin_panic::{{closure}}::hb123c706866ea9ed [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:542:9 [INFO] [stderr] 12: 0x55fcca4967e9 - std::sys_common::backtrace::__rust_end_short_backtrace::h26c19fe7a1321285 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55fcca496899 - std::panicking::begin_panic::h063c0e58901f1e58 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:541:12 [INFO] [stderr] 14: 0x55fcca496696 - build_script_build::main::h3a13889807ad65bb [INFO] [stderr] at /opt/rustwide/workdir/api/build.rs:9:9 [INFO] [stderr] 15: 0x55fcca49642b - core::ops::function::FnOnce::call_once::hc9e58f7a764787b3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 16: 0x55fcca4966fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h5f23794e042f499a [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 17: 0x55fcca496141 - std::rt::lang_start::{{closure}}::h84ddef01be5ae3d5 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:63:18 [INFO] [stderr] 18: 0x55fcca4a9a3a - core::ops::function::impls:: for &F>::call_once::ha9408abe89f69dc4 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 19: 0x55fcca4a9a3a - std::panicking::try::do_call::h5b0cc9e9102acb65 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 20: 0x55fcca4a9a3a - std::panicking::try::hddc7f8229138b3ba [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 21: 0x55fcca4a9a3a - std::panic::catch_unwind::hfa401ff8bab2986e [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stderr] 22: 0x55fcca4a9a3a - std::rt::lang_start_internal::{{closure}}::h8163422320d11405 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:48 [INFO] [stderr] 23: 0x55fcca4a9a3a - std::panicking::try::do_call::hc742cc7bb4f0fb20 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:401:40 [INFO] [stderr] 24: 0x55fcca4a9a3a - std::panicking::try::ha37d8d2dd1acf7d3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panicking.rs:365:19 [INFO] [stderr] 25: 0x55fcca4a9a3a - std::panic::catch_unwind::h8a5381d5ecf437bc [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/panic.rs:434:14 [INFO] [stderr] 26: 0x55fcca4a9a3a - std::rt::lang_start_internal::h7e2cee8c90d4a4d3 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:45:20 [INFO] [stderr] 27: 0x55fcca496110 - std::rt::lang_start::h7ba48571a13a1144 [INFO] [stderr] at /rustc/c8dfcfe046a7680554bf4eb612bad840e7631c4b/library/std/src/rt.rs:62:5 [INFO] [stderr] 28: 0x55fcca4966ec - main [INFO] [stderr] 29: 0x7fc1accb40b3 - __libc_start_main [INFO] [stderr] 30: 0x55fcca49556e - _start [INFO] [stderr] 31: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "428aaba04325d0b4c78ed7978f34f8f436b39f1c751d42d0d6f0d7637734c127", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "428aaba04325d0b4c78ed7978f34f8f436b39f1c751d42d0d6f0d7637734c127", kill_on_drop: false }` [INFO] [stdout] 428aaba04325d0b4c78ed7978f34f8f436b39f1c751d42d0d6f0d7637734c127