[INFO] fetching crate shaderc-macro 0.1.0...
[INFO] testing shaderc-macro-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate shaderc-macro 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate shaderc-macro 0.1.0
[INFO] finished tweaking crates.io crate shaderc-macro 0.1.0
[INFO] tweaked toml for crates.io crate shaderc-macro 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shaderc-macro 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shaderc-macro 0.1.0 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-sys v0.28.5
[INFO] [stderr]   Downloaded wayland-client v0.28.5
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[INFO] [stderr]   Downloaded wayland-commons v0.28.5
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[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2facd974f31c85b92006a571581fc01830883f919a0e167ed9dcfa1260f4a19
[INFO] running `Command { std: "docker" "start" "-a" "a2facd974f31c85b92006a571581fc01830883f919a0e167ed9dcfa1260f4a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2facd974f31c85b92006a571581fc01830883f919a0e167ed9dcfa1260f4a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2facd974f31c85b92006a571581fc01830883f919a0e167ed9dcfa1260f4a19", kill_on_drop: false }`
[INFO] [stdout] a2facd974f31c85b92006a571581fc01830883f919a0e167ed9dcfa1260f4a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 033fde9e2415df5127457a54a573b75383117c638017021170dd7dfe13aab116
[INFO] running `Command { std: "docker" "start" "-a" "033fde9e2415df5127457a54a573b75383117c638017021170dd7dfe13aab116", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[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-861e04c72cc0686e/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' (314) 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:     0x5b3cf30b635a - std[29689e6404d28ef9]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5b3cf30b635a - std[29689e6404d28ef9]::backtrace_rs::backtrace::trace_unsynchronized::<std[29689e6404d28ef9]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5b3cf30b635a - std[29689e6404d28ef9]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5b3cf30b635a - <<std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e929cb53b82a81ca]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5b3cf30ca7da - <core[e929cb53b82a81ca]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5b3cf30ca7da - core[e929cb53b82a81ca]::fmt::write
[INFO] [stderr]      6:     0x5b3cf30bc422 - std[29689e6404d28ef9]::io::default_write_fmt::<std[29689e6404d28ef9]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x5b3cf30bc422 - <std[29689e6404d28ef9]::sys::stdio::unix::Stderr as std[29689e6404d28ef9]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5b3cf309723f - <std[29689e6404d28ef9]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5b3cf309723f - std[29689e6404d28ef9]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5b3cf30b0a51 - std[29689e6404d28ef9]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5b3cf30b0c0b - std[29689e6404d28ef9]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5b3cf30972f8 - std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5b3cf308c3f9 - std[29689e6404d28ef9]::sys::backtrace::__rust_end_short_backtrace::<std[29689e6404d28ef9]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5b3cf3097c5d - __rustc[3aed6af316653e63]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5b3cf30caf0c - core[e929cb53b82a81ca]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5b3cf3031286 - <build_script_build[4ba039584412fed9]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x5b3cf302eb69 - <core[e929cb53b82a81ca]::option::Option<std[29689e6404d28ef9]::path::PathBuf>>::unwrap_or_else::<<build_script_build[4ba039584412fed9]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x5b3cf302ea3c - <build_script_build[4ba039584412fed9]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x5b3cf3034bca - build_script_build[4ba039584412fed9]::main
[INFO] [stderr]     20:     0x5b3cf3037ad3 - <fn() as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5b3cf30307a6 - std[29689e6404d28ef9]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5b3cf3031399 - std[29689e6404d28ef9]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5b3cf30afb47 - <&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync as core[e929cb53b82a81ca]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5b3cf30afb47 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5b3cf30afb47 - std[29689e6404d28ef9]::panicking::catch_unwind::<i32, &dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5b3cf30afb47 - std[29689e6404d28ef9]::panic::catch_unwind::<&dyn core[e929cb53b82a81ca]::ops::function::Fn<(), Output = i32> + core[e929cb53b82a81ca]::panic::unwind_safe::RefUnwindSafe + core[e929cb53b82a81ca]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5b3cf30afb47 - std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5b3cf30afb47 - std[29689e6404d28ef9]::panicking::catch_unwind::do_call::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5b3cf30afb47 - std[29689e6404d28ef9]::panicking::catch_unwind::<isize, std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5b3cf30afb47 - std[29689e6404d28ef9]::panic::catch_unwind::<std[29689e6404d28ef9]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5b3cf30afb47 - std[29689e6404d28ef9]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5b3cf3030361 - std[29689e6404d28ef9]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5b3cf3037c55 - main
[INFO] [stderr]     34:     0x71b98d1421ca - <unknown>
[INFO] [stderr]     35:     0x71b98d14228b - __libc_start_main
[INFO] [stderr]     36:     0x5b3cf302dc85 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "033fde9e2415df5127457a54a573b75383117c638017021170dd7dfe13aab116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033fde9e2415df5127457a54a573b75383117c638017021170dd7dfe13aab116", kill_on_drop: false }`
[INFO] [stdout] 033fde9e2415df5127457a54a573b75383117c638017021170dd7dfe13aab116
