[INFO] cloning repository https://github.com/julesyoungberg/rusty_vision
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/julesyoungberg/rusty_vision" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulesyoungberg%2Frusty_vision", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulesyoungberg%2Frusty_vision'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27431cce3f6917843418e81c2e629fd02cfec07a
[INFO] checking julesyoungberg/rusty_vision against try#3fada14ee01d755dc8076e611f11bf65b28ffd21 for pr-154971-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjulesyoungberg%2Frusty_vision" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/julesyoungberg/rusty_vision
[INFO] finished tweaking git repo https://github.com/julesyoungberg/rusty_vision
[INFO] tweaked toml for git repo https://github.com/julesyoungberg/rusty_vision written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/julesyoungberg/rusty_vision on toolchain 3fada14ee01d755dc8076e611f11bf65b28ffd21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/julesyoungberg/rusty_vision 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" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b0e2d9c2a420534542822a03c68813a11b5ba30957bccb3ebdd3240c5d5cb2b
[INFO] running `Command { std: "docker" "start" "-a" "3b0e2d9c2a420534542822a03c68813a11b5ba30957bccb3ebdd3240c5d5cb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b0e2d9c2a420534542822a03c68813a11b5ba30957bccb3ebdd3240c5d5cb2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0e2d9c2a420534542822a03c68813a11b5ba30957bccb3ebdd3240c5d5cb2b", kill_on_drop: false }`
[INFO] [stdout] 3b0e2d9c2a420534542822a03c68813a11b5ba30957bccb3ebdd3240c5d5cb2b
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3fada14ee01d755dc8076e611f11bf65b28ffd21" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46cd14f7e7bce746ebf1c80b54471220bf3f285e42e9b337b604ff149b212384
[INFO] running `Command { std: "docker" "start" "-a" "46cd14f7e7bce746ebf1c80b54471220bf3f285e42e9b337b604ff149b212384", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]    Compiling conrod_derive v0.72.0
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[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking tracing v0.1.35
[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-e331f04df5b4b9cf/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' (8473) 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:     0x571a274b4c2a - std[c8ba3d1d61d974fe]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x571a274b4c2a - std[c8ba3d1d61d974fe]::backtrace_rs::backtrace::trace_unsynchronized::<std[c8ba3d1d61d974fe]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x571a274b4c2a - std[c8ba3d1d61d974fe]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x571a274b4c2a - <<std[c8ba3d1d61d974fe]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[5dd83a8e950b2b8e]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x571a274c8f3a - <core[5dd83a8e950b2b8e]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x571a274c8f3a - core[5dd83a8e950b2b8e]::fmt::write
[INFO] [stderr]      6:     0x571a274bad12 - std[c8ba3d1d61d974fe]::io::default_write_fmt::<std[c8ba3d1d61d974fe]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x571a274bad12 - <std[c8ba3d1d61d974fe]::sys::stdio::unix::Stderr as std[c8ba3d1d61d974fe]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x571a27495ccf - <std[c8ba3d1d61d974fe]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x571a27495ccf - std[c8ba3d1d61d974fe]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x571a274af321 - std[c8ba3d1d61d974fe]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x571a274af4db - std[c8ba3d1d61d974fe]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x571a27495d88 - std[c8ba3d1d61d974fe]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x571a2748d619 - std[c8ba3d1d61d974fe]::sys::backtrace::__rust_end_short_backtrace::<std[c8ba3d1d61d974fe]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x571a274966ed - __rustc[2b8c2d1eac4d4b36]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x571a274c966c - core[5dd83a8e950b2b8e]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x571a27429036 - <build_script_build[43d5fff16b498ae5]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x571a274278d9 - <core[5dd83a8e950b2b8e]::option::Option<std[c8ba3d1d61d974fe]::path::PathBuf>>::unwrap_or_else::<<build_script_build[43d5fff16b498ae5]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x571a274277ac - <build_script_build[43d5fff16b498ae5]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x571a2742c87a - build_script_build[43d5fff16b498ae5]::main
[INFO] [stderr]     20:     0x571a2742ed53 - <fn() as core[5dd83a8e950b2b8e]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x571a27428556 - std[c8ba3d1d61d974fe]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x571a27429049 - std[c8ba3d1d61d974fe]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x571a274ae414 - <&dyn core[5dd83a8e950b2b8e]::ops::function::Fn<(), Output = i32> + core[5dd83a8e950b2b8e]::marker::Sync + core[5dd83a8e950b2b8e]::panic::unwind_safe::RefUnwindSafe as core[5dd83a8e950b2b8e]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x571a274ae414 - std[c8ba3d1d61d974fe]::panicking::catch_unwind::do_call::<&dyn core[5dd83a8e950b2b8e]::ops::function::Fn<(), Output = i32> + core[5dd83a8e950b2b8e]::marker::Sync + core[5dd83a8e950b2b8e]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x571a274ae414 - std[c8ba3d1d61d974fe]::panicking::catch_unwind::<i32, &dyn core[5dd83a8e950b2b8e]::ops::function::Fn<(), Output = i32> + core[5dd83a8e950b2b8e]::marker::Sync + core[5dd83a8e950b2b8e]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x571a274ae414 - std[c8ba3d1d61d974fe]::panic::catch_unwind::<&dyn core[5dd83a8e950b2b8e]::ops::function::Fn<(), Output = i32> + core[5dd83a8e950b2b8e]::marker::Sync + core[5dd83a8e950b2b8e]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x571a274ae414 - std[c8ba3d1d61d974fe]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x571a274ae414 - std[c8ba3d1d61d974fe]::panicking::catch_unwind::do_call::<std[c8ba3d1d61d974fe]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x571a274ae414 - std[c8ba3d1d61d974fe]::panicking::catch_unwind::<isize, std[c8ba3d1d61d974fe]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x571a274ae414 - std[c8ba3d1d61d974fe]::panic::catch_unwind::<std[c8ba3d1d61d974fe]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x571a274ae414 - std[c8ba3d1d61d974fe]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/3fada14ee01d755dc8076e611f11bf65b28ffd21/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x571a27428541 - std[c8ba3d1d61d974fe]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x571a2742eed5 - main
[INFO] [stderr]     34:     0x78c4157b61ca - <unknown>
[INFO] [stderr]     35:     0x78c4157b628b - __libc_start_main
[INFO] [stderr]     36:     0x571a27426865 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "46cd14f7e7bce746ebf1c80b54471220bf3f285e42e9b337b604ff149b212384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46cd14f7e7bce746ebf1c80b54471220bf3f285e42e9b337b604ff149b212384", kill_on_drop: false }`
[INFO] [stdout] 46cd14f7e7bce746ebf1c80b54471220bf3f285e42e9b337b604ff149b212384
