[INFO] cloning repository https://github.com/0x07C0/demo_wgpu_inverse_sqrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x07C0/demo_wgpu_inverse_sqrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x07C0%2Fdemo_wgpu_inverse_sqrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x07C0%2Fdemo_wgpu_inverse_sqrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe72d71a94bde27546b38a8535a2aa9f83f0d5e9
[INFO] checking 0x07C0/demo_wgpu_inverse_sqrt against try#446cb600aa4837dd6c513f14fa0d25a909b177d7 for pr-149195
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x07C0%2Fdemo_wgpu_inverse_sqrt" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/0x07C0/demo_wgpu_inverse_sqrt
[INFO] finished tweaking git repo https://github.com/0x07C0/demo_wgpu_inverse_sqrt
[INFO] tweaked toml for git repo https://github.com/0x07C0/demo_wgpu_inverse_sqrt written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x07C0/demo_wgpu_inverse_sqrt on toolchain 446cb600aa4837dd6c513f14fa0d25a909b177d7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0x07C0/demo_wgpu_inverse_sqrt 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" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dee904548ef643900540825f7963b510ed40c0d2288178e0b7c5a0b0998f4597
[INFO] running `Command { std: "docker" "start" "-a" "dee904548ef643900540825f7963b510ed40c0d2288178e0b7c5a0b0998f4597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee904548ef643900540825f7963b510ed40c0d2288178e0b7c5a0b0998f4597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee904548ef643900540825f7963b510ed40c0d2288178e0b7c5a0b0998f4597", kill_on_drop: false }`
[INFO] [stdout] dee904548ef643900540825f7963b510ed40c0d2288178e0b7c5a0b0998f4597
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+446cb600aa4837dd6c513f14fa0d25a909b177d7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b7512791c575ec563e1f6b9db7257c54f25144d56bc8ff96b0c8ec7f6f46b82
[INFO] running `Command { std: "docker" "start" "-a" "7b7512791c575ec563e1f6b9db7257c54f25144d56bc8ff96b0c8ec7f6f46b82", kill_on_drop: false }`
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (1) panicked at src/tools/cargo/src/cargo/core/compiler/build_runner/compilation_files.rs:467:18:
[INFO] [stderr] artifact-dir was not locked
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x601824762943 - std::backtrace_rs::backtrace::libunwind::trace::h2ba7ce45d1c990f6
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x601824762943 - std::backtrace_rs::backtrace::trace_unsynchronized::h7f8048f248e53383
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x601824762943 - std::sys::backtrace::_print_fmt::ha5e750723d83bebf
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x601824762943 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha7f4241ef8b55799
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x601824267a17 - core::fmt::rt::Argument::fmt::h993eabdb48c7facf
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x601824267a17 - core::fmt::write::h3e9b65bc98b9ddf2
[INFO] [stderr]    6:     0x601824721416 - std::io::default_write_fmt::h197903e5793fbf82
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x601824721416 - std::io::Write::write_fmt::h093f32073dc5dcd9
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x6018247389ee - std::sys::backtrace::BacktraceLock::print::h9346c25a890dbaee
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x6018247389ee - std::panicking::default_hook::{{closure}}::h897f3167013e2ac6
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:293:27
[INFO] [stderr]   10:     0x60182473854f - std::panicking::default_hook::h9b41fc25da3da45e
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:320:9
[INFO] [stderr]   11:     0x601824738d6b - std::panicking::panic_with_hook::had3195923e17ca21
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:826:13
[INFO] [stderr]   12:     0x601824738b48 - std::panicking::panic_handler::{{closure}}::h683059d726e0f7ee
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:699:13
[INFO] [stderr]   13:     0x6018247324c9 - std::sys::backtrace::__rust_end_short_backtrace::h4e7857953e7e4b23
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   14:     0x60182471474d - __rustc[93aa21d5f3907419]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:690:5
[INFO] [stderr]   15:     0x60182427180c - core::panicking::panic_fmt::h78f6c4e508eaa90e
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x601824270a44 - core::panicking::panic_display::hcc894e7743c282f9
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/core/src/panicking.rs:259:5
[INFO] [stderr]   17:     0x601824270a44 - core::option::expect_failed::h9e24da6e5e4f827c
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/core/src/option.rs:2184:5
[INFO] [stderr]   18:     0x601823c8ab76 - <cargo[38c04b4d1d99aaef]::core::compiler::build_runner::BuildRunner>::outputs
[INFO] [stderr]   19:     0x601823c8059e - <cargo[38c04b4d1d99aaef]::core::compiler::build_runner::BuildRunner>::check_collisions
[INFO] [stderr]   20:     0x601823c85dfb - <cargo[38c04b4d1d99aaef]::core::compiler::build_runner::BuildRunner>::compile
[INFO] [stderr]   21:     0x601823dde75d - cargo[38c04b4d1d99aaef]::ops::cargo_compile::compile_ws
[INFO] [stderr]   22:     0x601823de2317 - cargo[38c04b4d1d99aaef]::ops::cargo_compile::compile_with_exec
[INFO] [stderr]   23:     0x601823de86fb - cargo[38c04b4d1d99aaef]::ops::cargo_compile::compile
[INFO] [stderr]   24:     0x60182419f4aa - cargo[b016b16900a9975c]::commands::check::exec
[INFO] [stderr]   25:     0x60182414277e - <cargo[b016b16900a9975c]::cli::Exec>::exec
[INFO] [stderr]   26:     0x60182413f74e - cargo[b016b16900a9975c]::main
[INFO] [stderr]   27:     0x6018241189b3 - std[2fa2855373317e1c]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]   28:     0x601824130b39 - std[2fa2855373317e1c]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]   29:     0x6018247230ab - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h58be7bd4132c371f
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   30:     0x6018247230ab - std::panicking::catch_unwind::do_call::h107cdfb7e6ff0cf3
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:582:40
[INFO] [stderr]   31:     0x6018247230ab - std::panicking::catch_unwind::h99a8bdd1ab57261f
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:545:19
[INFO] [stderr]   32:     0x6018247230ab - std::panic::catch_unwind::h98292f04e73f0a95
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panic.rs:359:14
[INFO] [stderr]   33:     0x6018247230ab - std::rt::lang_start_internal::{{closure}}::h8b14b6413b9d63a0
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/rt.rs:175:24
[INFO] [stderr]   34:     0x6018247230ab - std::panicking::catch_unwind::do_call::h05dfe67ebb62bc48
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:582:40
[INFO] [stderr]   35:     0x6018247230ab - std::panicking::catch_unwind::h803a48edb42c2853
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panicking.rs:545:19
[INFO] [stderr]   36:     0x6018247230ab - std::panic::catch_unwind::hd3451d7d5cefe937
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/panic.rs:359:14
[INFO] [stderr]   37:     0x6018247230ab - std::rt::lang_start_internal::hbfb355969be9676c
[INFO] [stderr]                                at /rustc/446cb600aa4837dd6c513f14fa0d25a909b177d7/library/std/src/rt.rs:171:5
[INFO] [stderr]   38:     0x6018241e2d85 - main
[INFO] [stderr]   39:     0x7b6c3631f1ca - <unknown>
[INFO] [stderr]   40:     0x7b6c3631f28b - __libc_start_main
[INFO] [stderr]   41:     0x601823755029 - <unknown>
[INFO] [stderr]   42:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "7b7512791c575ec563e1f6b9db7257c54f25144d56bc8ff96b0c8ec7f6f46b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b7512791c575ec563e1f6b9db7257c54f25144d56bc8ff96b0c8ec7f6f46b82", kill_on_drop: false }`
[INFO] [stdout] 7b7512791c575ec563e1f6b9db7257c54f25144d56bc8ff96b0c8ec7f6f46b82
