[INFO] cloning repository https://github.com/itsybitesyspider/mallard [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itsybitesyspider/mallard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsybitesyspider%2Fmallard", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsybitesyspider%2Fmallard'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5b73cb1427b033749d0060135eefcb659f443c50 [INFO] checking itsybitesyspider/mallard against try#1baf923b9c3a455162afe43e18647f494c1a4b73 for pr-151510 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitsybitesyspider%2Fmallard" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/itsybitesyspider/mallard [INFO] finished tweaking git repo https://github.com/itsybitesyspider/mallard [INFO] tweaked toml for git repo https://github.com/itsybitesyspider/mallard written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/itsybitesyspider/mallard on toolchain 1baf923b9c3a455162afe43e18647f494c1a4b73 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/itsybitesyspider/mallard 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" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "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 gfx-memory v0.2.2 [INFO] [stderr] Downloaded gfx-descriptor v0.2.0 [INFO] [stderr] Downloaded wgpu-types v0.6.1 [INFO] [stderr] Downloaded gfx-backend-vulkan v0.6.5 [INFO] [stderr] Downloaded gfx-auxil v0.7.0 [INFO] [stderr] Downloaded range-alloc v0.1.1 [INFO] [stderr] Downloaded shaderc v0.6.3 [INFO] [stderr] Downloaded gfx-backend-empty v0.6.0 [INFO] [stderr] Downloaded gfx-hal v0.6.0 [INFO] [stderr] Downloaded wgpu-core v0.6.5 [INFO] [stderr] Downloaded bytemuck v1.4.1 [INFO] [stderr] Downloaded gif v0.11.1 [INFO] [stderr] Downloaded x11 v2.18.2 [INFO] [stderr] Downloaded rand v0.8.0 [INFO] [stderr] Downloaded gfx-backend-dx11 v0.6.17 [INFO] [stderr] Downloaded gfx-backend-metal v0.6.5 [INFO] [stderr] Downloaded syn v1.0.56 [INFO] [stderr] Downloaded gfx-backend-dx12 v0.6.13 [INFO] [stderr] Downloaded naga v0.2.0 [INFO] [stderr] Downloaded wgpu v0.6.2 [INFO] [stderr] Downloaded image v0.23.12 [INFO] [stderr] Downloaded weezl v0.1.3 [INFO] [stderr] Downloaded jpeg-decoder v0.1.20 [INFO] [stderr] Downloaded rand_core v0.6.0 [INFO] [stderr] Downloaded getrandom v0.2.0 [INFO] [stderr] Downloaded inplace_it v0.3.2 [INFO] [stderr] Downloaded spirv_cross v0.22.2 [INFO] [stderr] Downloaded metal v0.20.0 [INFO] [stderr] Downloaded shaderc-sys v0.6.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d54ef16a01c682e1f6248c8dcbb704d6f717d9718b91f3371ccf769b3c2b219 [INFO] running `Command { std: "docker" "start" "-a" "1d54ef16a01c682e1f6248c8dcbb704d6f717d9718b91f3371ccf769b3c2b219", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d54ef16a01c682e1f6248c8dcbb704d6f717d9718b91f3371ccf769b3c2b219", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d54ef16a01c682e1f6248c8dcbb704d6f717d9718b91f3371ccf769b3c2b219", kill_on_drop: false }` [INFO] [stdout] 1d54ef16a01c682e1f6248c8dcbb704d6f717d9718b91f3371ccf769b3c2b219 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba26aa2c2520f45b5ff2b3e1ae6d81088fa5e29175bd68fa2a510dfdd2200d24 [INFO] running `Command { std: "docker" "start" "-a" "ba26aa2c2520f45b5ff2b3e1ae6d81088fa5e29175bd68fa2a510dfdd2200d24", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling syn v1.0.56 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking futures-core v0.3.8 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Compiling getrandom v0.2.0 [INFO] [stderr] Checking smallvec v1.5.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking futures-channel v0.3.8 [INFO] [stderr] Checking futures-task v0.3.8 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Checking gfx-hal v0.6.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking libloading v0.6.6 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking futures-io v0.3.8 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling crc32fast v1.2.1 [INFO] [stderr] Checking ash v0.31.0 [INFO] [stderr] Checking bit-set v0.5.2 [INFO] [stderr] Checking parking_lot_core v0.8.2 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Checking spirv_headers v1.5.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling shaderc-sys v0.6.3 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking inplace_it v0.3.2 [INFO] [stderr] Checking pin-project-lite v0.2.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking weezl v0.1.3 [INFO] [stderr] Checking gfx-memory v0.2.2 [INFO] [stderr] Checking gfx-backend-empty v0.6.0 [INFO] [stderr] Checking gfx-descriptor v0.2.0 [INFO] [stderr] Checking tracing v0.1.22 [INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found. Falling back to build from source [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/shaderc-sys-74bd7051cd5e1390/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:warning=Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] cargo:warning=System installed library not found. Falling back to build from source [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (823) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/build/cmd_finder.rs:50:13: [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] couldn't find required command: "python" [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x60e657b30be2 - std[be5369b555b52af3]::backtrace_rs::backtrace::libunwind::trace [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x60e657b30be2 - std[be5369b555b52af3]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x60e657b30be2 - std[be5369b555b52af3]::sys::backtrace::_print_fmt [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/sys/backtrace.rs:74:9 [INFO] [stderr] 3: 0x60e657b30be2 - <::print::DisplayBacktrace as core[3d2fe7bf6445d6f1]::fmt::Display>::fmt [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/sys/backtrace.rs:44:26 [INFO] [stderr] 4: 0x60e657b459aa - ::fmt [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/core/src/fmt/rt.rs:152:76 [INFO] [stderr] 5: 0x60e657b459aa - core[3d2fe7bf6445d6f1]::fmt::write [INFO] [stderr] 6: 0x60e657b37426 - std[be5369b555b52af3]::io::default_write_fmt:: [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x60e657b37426 - ::write_fmt [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/io/mod.rs:1994:13 [INFO] [stderr] 8: 0x60e657b113df - ::print [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/sys/backtrace.rs:47:9 [INFO] [stderr] 9: 0x60e657b113df - std[be5369b555b52af3]::panicking::default_hook::{closure#0} [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:292:27 [INFO] [stderr] 10: 0x60e657b2b2c1 - std[be5369b555b52af3]::panicking::default_hook [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:319:9 [INFO] [stderr] 11: 0x60e657b2b47b - std[be5369b555b52af3]::panicking::panic_with_hook [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:825:13 [INFO] [stderr] 12: 0x60e657b11498 - std[be5369b555b52af3]::panicking::panic_handler::{closure#0} [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:698:13 [INFO] [stderr] 13: 0x60e657b08de9 - std[be5369b555b52af3]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/sys/backtrace.rs:182:18 [INFO] [stderr] 14: 0x60e657b11e3d - __rustc[364230e5ce342739]::rust_begin_unwind [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:689:5 [INFO] [stderr] 15: 0x60e657b4605c - core[3d2fe7bf6445d6f1]::panicking::panic_fmt [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x60e657aaa396 - ::must_have::<&str>::{closure#0} [INFO] [stderr] 17: 0x60e657aa8d19 - >::unwrap_or_else::<::must_have<&str>::{closure#0}> [INFO] [stderr] 18: 0x60e657aa8bec - ::must_have::<&str> [INFO] [stderr] 19: 0x60e657aadbda - build_script_build[30efdc3f378d07fc]::main [INFO] [stderr] 20: 0x60e657aaff63 - >::call_once [INFO] [stderr] 21: 0x60e657aa98b6 - std[be5369b555b52af3]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stderr] 22: 0x60e657aaa3b9 - std[be5369b555b52af3]::rt::lang_start::<()>::{closure#0} [INFO] [stderr] 23: 0x60e657b2a406 - <&dyn core[3d2fe7bf6445d6f1]::ops::function::Fn<(), Output = i32> + core[3d2fe7bf6445d6f1]::marker::Sync + core[3d2fe7bf6445d6f1]::panic::unwind_safe::RefUnwindSafe as core[3d2fe7bf6445d6f1]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 24: 0x60e657b2a406 - std[be5369b555b52af3]::panicking::catch_unwind::do_call::<&dyn core[3d2fe7bf6445d6f1]::ops::function::Fn<(), Output = i32> + core[3d2fe7bf6445d6f1]::marker::Sync + core[3d2fe7bf6445d6f1]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:581:40 [INFO] [stderr] 25: 0x60e657b2a406 - std[be5369b555b52af3]::panicking::catch_unwind:: + core[3d2fe7bf6445d6f1]::marker::Sync + core[3d2fe7bf6445d6f1]::panic::unwind_safe::RefUnwindSafe> [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:544:19 [INFO] [stderr] 26: 0x60e657b2a406 - std[be5369b555b52af3]::panic::catch_unwind::<&dyn core[3d2fe7bf6445d6f1]::ops::function::Fn<(), Output = i32> + core[3d2fe7bf6445d6f1]::marker::Sync + core[3d2fe7bf6445d6f1]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x60e657b2a406 - std[be5369b555b52af3]::rt::lang_start_internal::{closure#0} [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x60e657b2a406 - std[be5369b555b52af3]::panicking::catch_unwind::do_call:: [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:581:40 [INFO] [stderr] 29: 0x60e657b2a406 - std[be5369b555b52af3]::panicking::catch_unwind:: [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panicking.rs:544:19 [INFO] [stderr] 30: 0x60e657b2a406 - std[be5369b555b52af3]::panic::catch_unwind:: [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x60e657b2a406 - std[be5369b555b52af3]::rt::lang_start_internal [INFO] [stderr] at /rustc/1baf923b9c3a455162afe43e18647f494c1a4b73/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x60e657aa98a1 - std[be5369b555b52af3]::rt::lang_start::<()> [INFO] [stderr] 33: 0x60e657ab00e5 - main [INFO] [stderr] 34: 0x79000d5d31ca - [INFO] [stderr] 35: 0x79000d5d328b - __libc_start_main [INFO] [stderr] 36: 0x60e657aa7e35 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ba26aa2c2520f45b5ff2b3e1ae6d81088fa5e29175bd68fa2a510dfdd2200d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba26aa2c2520f45b5ff2b3e1ae6d81088fa5e29175bd68fa2a510dfdd2200d24", kill_on_drop: false }` [INFO] [stdout] ba26aa2c2520f45b5ff2b3e1ae6d81088fa5e29175bd68fa2a510dfdd2200d24