[INFO] fetching crate yagl 0.0.10...
[INFO] checking yagl-0.0.10 against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418-1
[INFO] extracting crate yagl 0.0.10 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate yagl 0.0.10
[INFO] finished tweaking crates.io crate yagl 0.0.10
[INFO] tweaked toml for crates.io crate yagl 0.0.10 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yagl 0.0.10 on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate yagl 0.0.10 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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70c18889c80b3fa47e1fce8470a09e70b2f36c7124d1c8e4be2ae434cd85d8b7
[INFO] running `Command { std: "docker" "start" "-a" "70c18889c80b3fa47e1fce8470a09e70b2f36c7124d1c8e4be2ae434cd85d8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70c18889c80b3fa47e1fce8470a09e70b2f36c7124d1c8e4be2ae434cd85d8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c18889c80b3fa47e1fce8470a09e70b2f36c7124d1c8e4be2ae434cd85d8b7", kill_on_drop: false }`
[INFO] [stdout] 70c18889c80b3fa47e1fce8470a09e70b2f36c7124d1c8e4be2ae434cd85d8b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6a79301b1f267584a31626852c474d45ae437a87650892ba14fe7abf66061d0
[INFO] running `Command { std: "docker" "start" "-a" "c6a79301b1f267584a31626852c474d45ae437a87650892ba14fe7abf66061d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking gfx-hal v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking ash v0.30.0
[INFO] [stderr] warning: shaderc-sys@0.6.2: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.2: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.2`
[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-3904644f32d17473/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' (1360) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.2/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:     0x5fc7306c564a - std[98c8084f0dd52859]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5fc7306c564a - std[98c8084f0dd52859]::backtrace_rs::backtrace::trace_unsynchronized::<std[98c8084f0dd52859]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5fc7306c564a - std[98c8084f0dd52859]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5fc7306c564a - <<std[98c8084f0dd52859]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[e1d7f617bd5ae727]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5fc7306d949a - <core[e1d7f617bd5ae727]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5fc7306d949a - core[e1d7f617bd5ae727]::fmt::write
[INFO] [stderr]      6:     0x5fc7306cb4a2 - std[98c8084f0dd52859]::io::default_write_fmt::<std[98c8084f0dd52859]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x5fc7306cb4a2 - <std[98c8084f0dd52859]::sys::stdio::unix::Stderr as std[98c8084f0dd52859]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x5fc7306a768f - <std[98c8084f0dd52859]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5fc7306a768f - std[98c8084f0dd52859]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5fc7306c04b1 - std[98c8084f0dd52859]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5fc7306c066b - std[98c8084f0dd52859]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5fc7306a7748 - std[98c8084f0dd52859]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5fc73069c8a9 - std[98c8084f0dd52859]::sys::backtrace::__rust_end_short_backtrace::<std[98c8084f0dd52859]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5fc7306a80ad - __rustc[9a912ab13ec59c4f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5fc7306d9b8c - core[e1d7f617bd5ae727]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5fc73064eb46 - <build_script_build[cf6c9e54411c34ab]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x5fc73064d509 - <core[e1d7f617bd5ae727]::option::Option<std[98c8084f0dd52859]::path::PathBuf>>::unwrap_or_else::<<build_script_build[cf6c9e54411c34ab]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x5fc73064d48c - <build_script_build[cf6c9e54411c34ab]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x5fc7306519be - build_script_build[cf6c9e54411c34ab]::main
[INFO] [stderr]     20:     0x5fc730653483 - <fn() as core[e1d7f617bd5ae727]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5fc73064e066 - std[98c8084f0dd52859]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5fc73064eb59 - std[98c8084f0dd52859]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5fc7306bf5a4 - <&dyn core[e1d7f617bd5ae727]::ops::function::Fn<(), Output = i32> + core[e1d7f617bd5ae727]::marker::Sync + core[e1d7f617bd5ae727]::panic::unwind_safe::RefUnwindSafe as core[e1d7f617bd5ae727]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5fc7306bf5a4 - std[98c8084f0dd52859]::panicking::catch_unwind::do_call::<&dyn core[e1d7f617bd5ae727]::ops::function::Fn<(), Output = i32> + core[e1d7f617bd5ae727]::marker::Sync + core[e1d7f617bd5ae727]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5fc7306bf5a4 - std[98c8084f0dd52859]::panicking::catch_unwind::<i32, &dyn core[e1d7f617bd5ae727]::ops::function::Fn<(), Output = i32> + core[e1d7f617bd5ae727]::marker::Sync + core[e1d7f617bd5ae727]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5fc7306bf5a4 - std[98c8084f0dd52859]::panic::catch_unwind::<&dyn core[e1d7f617bd5ae727]::ops::function::Fn<(), Output = i32> + core[e1d7f617bd5ae727]::marker::Sync + core[e1d7f617bd5ae727]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5fc7306bf5a4 - std[98c8084f0dd52859]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5fc7306bf5a4 - std[98c8084f0dd52859]::panicking::catch_unwind::do_call::<std[98c8084f0dd52859]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5fc7306bf5a4 - std[98c8084f0dd52859]::panicking::catch_unwind::<isize, std[98c8084f0dd52859]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5fc7306bf5a4 - std[98c8084f0dd52859]::panic::catch_unwind::<std[98c8084f0dd52859]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5fc7306bf5a4 - std[98c8084f0dd52859]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ad93f57d532978d6739002a21bc66b45ed22f998/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5fc73064dc21 - std[98c8084f0dd52859]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5fc730653605 - main
[INFO] [stderr]     34:     0x721d926631ca - <unknown>
[INFO] [stderr]     35:     0x721d9266328b - __libc_start_main
[INFO] [stderr]     36:     0x5fc73064c845 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c6a79301b1f267584a31626852c474d45ae437a87650892ba14fe7abf66061d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6a79301b1f267584a31626852c474d45ae437a87650892ba14fe7abf66061d0", kill_on_drop: false }`
[INFO] [stdout] c6a79301b1f267584a31626852c474d45ae437a87650892ba14fe7abf66061d0
