[INFO] cloning repository https://github.com/Chrizzsh/bezier-curve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chrizzsh/bezier-curve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrizzsh%2Fbezier-curve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrizzsh%2Fbezier-curve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f81fa6fa8e1fc21f77f0c49a597d68a2aa052ac0
[INFO] checking Chrizzsh/bezier-curve against master#5a45ab9738330fb317d49e3594c2db5248b1e971 for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrizzsh%2Fbezier-curve" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chrizzsh/bezier-curve on toolchain 5a45ab9738330fb317d49e3594c2db5248b1e971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chrizzsh/bezier-curve
[INFO] finished tweaking git repo https://github.com/Chrizzsh/bezier-curve
[INFO] tweaked toml for git repo https://github.com/Chrizzsh/bezier-curve written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Chrizzsh/bezier-curve 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" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c78b63a617149ba6fbad05f5b889f3b0d7ec155d4bfeb290461353eabb5b1ff4
[INFO] running `Command { std: "docker" "start" "-a" "c78b63a617149ba6fbad05f5b889f3b0d7ec155d4bfeb290461353eabb5b1ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c78b63a617149ba6fbad05f5b889f3b0d7ec155d4bfeb290461353eabb5b1ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78b63a617149ba6fbad05f5b889f3b0d7ec155d4bfeb290461353eabb5b1ff4", kill_on_drop: false }`
[INFO] [stdout] c78b63a617149ba6fbad05f5b889f3b0d7ec155d4bfeb290461353eabb5b1ff4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5a45ab9738330fb317d49e3594c2db5248b1e971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20b81677574b876a846b4d1ad92fada9e4123cd611c7d6395983d298f962a771
[INFO] running `Command { std: "docker" "start" "-a" "20b81677574b876a846b4d1ad92fada9e4123cd611c7d6395983d298f962a771", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
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[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking void v1.0.2
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
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[INFO] [stderr]    Compiling wayland-scanner v0.23.6
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[INFO] [stderr]    Compiling cc v1.0.66
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[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rand v0.6.5
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[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]     Checking pin-project-lite v0.2.0
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[INFO] [stderr]    Compiling cmake v0.1.45
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling glob v0.3.0
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[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
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[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking png v0.16.8
[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-072160a84de2c23a/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' 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:     0x55ae2f075f20 - std::backtrace_rs::backtrace::libunwind::trace::h00ed8f7a49b23656
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x55ae2f075f20 - std::backtrace_rs::backtrace::trace_unsynchronized::hb9a616e2fc1d376f
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ae2f075f20 - std::sys::backtrace::_print_fmt::h7db298e83a256d29
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x55ae2f075f20 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hd1ae340659526716
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x55ae2f09a8c3 - core::fmt::rt::Argument::fmt::hac01a348e20ee70d
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x55ae2f09a8c3 - core::fmt::write::hc504a50407028ef6
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/fmt/mod.rs:1449:21
[INFO] [stderr]      6:     0x55ae2f072413 - std::io::Write::write_fmt::ha00ae9415040e09a
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/io/mod.rs:1890:15
[INFO] [stderr]      7:     0x55ae2f075d72 - std::sys::backtrace::BacktraceLock::print::h6f3c8a163b5a5ba5
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x55ae2f076eff - std::panicking::default_hook::{{closure}}::h4661160df59af739
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:298:22
[INFO] [stderr]      9:     0x55ae2f076d6a - std::panicking::default_hook::h79b0b0cb5c9a45eb
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:325:9
[INFO] [stderr]     10:     0x55ae2f077922 - std::panicking::rust_panic_with_hook::he8f5885f4873cada
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:831:13
[INFO] [stderr]     11:     0x55ae2f0776aa - std::panicking::begin_panic_handler::{{closure}}::hce5053f4756cff33
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:704:13
[INFO] [stderr]     12:     0x55ae2f076439 - std::sys::backtrace::__rust_end_short_backtrace::h634718bdeca7b4fe
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x55ae2f07733d - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:695:5
[INFO] [stderr]     14:     0x55ae2f099730 - core::panicking::panic_fmt::h0e90de0256284326
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x55ae2effcaec - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h3883e74ee9a6322f
[INFO] [stderr]     16:     0x55ae2eff9e53 - core::option::Option<T>::unwrap_or_else::h13043108b6eee615
[INFO] [stderr]     17:     0x55ae2effca6c - build_script_build::cmd_finder::CommandFinder::must_have::h4486cff7fce9782b
[INFO] [stderr]     18:     0x55ae2f000339 - build_script_build::main::h7c19ebe567ac0dec
[INFO] [stderr]     19:     0x55ae2eff9423 - core::ops::function::FnOnce::call_once::h380b93bda98fd6bf
[INFO] [stderr]     20:     0x55ae2eff8a96 - std::sys::backtrace::__rust_begin_short_backtrace::he60bf1ddf4cce142
[INFO] [stderr]     21:     0x55ae2eff8a19 - std::rt::lang_start::{{closure}}::he6dd757e578cad92
[INFO] [stderr]     22:     0x55ae2f06d790 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1b551c6ace84f634
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x55ae2f06d790 - std::panicking::try::do_call::hcda773f48bd80f09
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:587:40
[INFO] [stderr]     24:     0x55ae2f06d790 - std::panicking::try::h225c38e862182721
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:550:19
[INFO] [stderr]     25:     0x55ae2f06d790 - std::panic::catch_unwind::h6eb4a99877840d20
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panic.rs:358:14
[INFO] [stderr]     26:     0x55ae2f06d790 - std::rt::lang_start_internal::{{closure}}::h64597ebca62f6e02
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/rt.rs:168:24
[INFO] [stderr]     27:     0x55ae2f06d790 - std::panicking::try::do_call::ha3630280e291428a
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:587:40
[INFO] [stderr]     28:     0x55ae2f06d790 - std::panicking::try::h13d8cfc120ae8ff3
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panicking.rs:550:19
[INFO] [stderr]     29:     0x55ae2f06d790 - std::panic::catch_unwind::h9b1225c928e48a40
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/panic.rs:358:14
[INFO] [stderr]     30:     0x55ae2f06d790 - std::rt::lang_start_internal::h27f44511957e98ab
[INFO] [stderr]                                  at /rustc/5a45ab9738330fb317d49e3594c2db5248b1e971/library/std/src/rt.rs:164:5
[INFO] [stderr]     31:     0x55ae2eff8a01 - std::rt::lang_start::h0836ffcf449fe731
[INFO] [stderr]     32:     0x55ae2f000d15 - main
[INFO] [stderr]     33:     0x70072afc9d90 - <unknown>
[INFO] [stderr]     34:     0x70072afc9e40 - __libc_start_main
[INFO] [stderr]     35:     0x55ae2eff8085 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "20b81677574b876a846b4d1ad92fada9e4123cd611c7d6395983d298f962a771", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b81677574b876a846b4d1ad92fada9e4123cd611c7d6395983d298f962a771", kill_on_drop: false }`
[INFO] [stdout] 20b81677574b876a846b4d1ad92fada9e4123cd611c7d6395983d298f962a771
