[INFO] fetching crate rendy 0.5.1...
[INFO] testing rendy-0.5.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate rendy 0.5.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rendy 0.5.1
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate rendy 0.5.1
[INFO] tweaked toml for crates.io crate rendy 0.5.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rendy 0.5.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rendy 0.5.1 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded thread_profiler v0.3.0
[INFO] [stderr]   Downloaded relevant v0.4.2
[INFO] [stderr]   Downloaded raw-window-handle v0.3.1
[INFO] [stderr]   Downloaded andrew v0.2.1
[INFO] [stderr]   Downloaded ordered-float v1.0.2
[INFO] [stderr]   Downloaded rendy-factory v0.5.1
[INFO] [stderr]   Downloaded rendy-wsi v0.5.1
[INFO] [stderr]   Downloaded pkg-config v0.3.17
[INFO] [stderr]   Downloaded wayland-scanner v0.23.6
[INFO] [stderr]   Downloaded rendy-texture v0.5.1
[INFO] [stderr]   Downloaded either v1.5.3
[INFO] [stderr]   Downloaded rendy-memory v0.5.2
[INFO] [stderr]   Downloaded objc_exception v0.1.1
[INFO] [stderr]   Downloaded core-foundation v0.6.4
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.53
[INFO] [stderr]   Downloaded range-alloc v0.1.0
[INFO] [stderr]   Downloaded gfx-auxil v0.1.0
[INFO] [stderr]   Downloaded failure_derive v0.1.6
[INFO] [stderr]   Downloaded dlib v0.4.1
[INFO] [stderr]   Downloaded libloading v0.5.2
[INFO] [stderr]   Downloaded downcast-rs v1.1.1
[INFO] [stderr]   Downloaded calloop v0.4.4
[INFO] [stderr]   Downloaded mio-extras v2.0.5
[INFO] [stderr]   Downloaded lazycell v1.2.1
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded line_drawing v0.7.0
[INFO] [stderr]   Downloaded instant v0.1.2
[INFO] [stderr]   Downloaded dispatch v0.1.4
[INFO] [stderr]   Downloaded core-video-sys v0.1.3
[INFO] [stderr]   Downloaded android_glue v0.2.3
[INFO] [stderr]   Downloaded parking_lot v0.8.0
[INFO] [stderr]   Downloaded osmesa-sys v0.1.2
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.3
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.3
[INFO] [stderr]   Downloaded glutin_emscripten_sys v0.1.0
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.3
[INFO] [stderr]   Downloaded cgl v0.2.3
[INFO] [stderr]   Downloaded rendy-command v0.5.1
[INFO] [stderr]   Downloaded phf_codegen v0.7.24
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded alga v0.9.2
[INFO] [stderr]   Downloaded mint v0.5.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded rendy-resource v0.5.1
[INFO] [stderr]   Downloaded colorful v0.2.1
[INFO] [stderr]   Downloaded rendy-descriptor v0.5.1
[INFO] [stderr]   Downloaded rendy-core v0.5.1
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded gfx-backend-vulkan v0.4.0
[INFO] [stderr]   Downloaded arrayvec v0.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.53
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.53
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.53
[INFO] [stderr]   Downloaded metal v0.17.0
[INFO] [stderr]   Downloaded copyless v0.1.4
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.53
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] [stderr]   Downloaded synstructure v0.12.2
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded wayland-sys v0.23.6
[INFO] [stderr]   Downloaded wayland-commons v0.23.6
[INFO] [stderr]   Downloaded rusttype v0.8.1
[INFO] [stderr]   Downloaded stb_truetype v0.3.0
[INFO] [stderr]   Downloaded parking_lot_core v0.5.0
[INFO] [stderr]   Downloaded lock_api v0.2.0
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded x11 v2.18.1
[INFO] [stderr]   Downloaded core-graphics v0.17.3
[INFO] [stderr]   Downloaded storage-map v0.2.0
[INFO] [stderr]   Downloaded js-sys v0.3.30
[INFO] [stderr]   Downloaded cocoa v0.19.1
[INFO] [stderr]   Downloaded net2 v0.2.33
[INFO] [stderr]   Downloaded miow v0.2.1
[INFO] [stderr]   Downloaded rusttype v0.7.9
[INFO] [stderr]   Downloaded gl_generator v0.11.0
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.5
[INFO] [stderr]   Downloaded derivative v1.0.3
[INFO] [stderr]   Downloaded gl_generator v0.13.1
[INFO] [stderr]   Downloaded rendy-shader v0.5.1
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded hibitset v0.6.2
[INFO] [stderr]   Downloaded gfx-hal v0.4.1
[INFO] [stderr]   Downloaded weedle v0.10.0
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded glutin v0.22.0-alpha3
[INFO] [stderr]   Downloaded x11-dl v2.18.4
[INFO] [stderr]   Downloaded xml-rs v0.8.0
[INFO] [stderr]   Downloaded cocoa v0.18.5
[INFO] [stderr]   Downloaded gleam v0.6.19
[INFO] [stderr]   Downloaded slotmap v0.3.0
[INFO] [stderr]   Downloaded atom v0.3.5
[INFO] [stderr]   Downloaded gfx-backend-gl v0.4.0
[INFO] [stderr]   Downloaded wayland-client v0.23.6
[INFO] [stderr]   Downloaded unicode-segmentation v1.5.0
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.6.4
[INFO] [stderr]   Downloaded palette v0.4.1
[INFO] [stderr]   Downloaded getrandom v0.1.13
[INFO] [stderr]   Downloaded gfx-backend-metal v0.4.0
[INFO] [stderr]   Downloaded bumpalo v2.6.0
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded wayland-protocols v0.23.6
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded num-rational v0.1.42
[INFO] [stderr]   Downloaded static_assertions v0.3.4
[INFO] [stderr]   Downloaded rendy-frame v0.5.1
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.53
[INFO] [stderr]   Downloaded web-sys v0.3.30
[INFO] [stderr]   Downloaded phf_shared v0.7.24
[INFO] [stderr]   Downloaded spirv_headers v1.3.4
[INFO] [stderr]   Downloaded rendy-mesh v0.5.1
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded ash v0.29.0
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] [stderr]   Downloaded winit v0.20.0-alpha4
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded backtrace-sys v0.1.32
[INFO] [stderr]   Downloaded phf_generator v0.7.24
[INFO] [stderr]   Downloaded rendy-init v0.5.1
[INFO] [stderr]   Downloaded approx v0.1.1
[INFO] [stderr]   Downloaded d3d12 v0.3.0
[INFO] [stderr]   Downloaded phf v0.7.24
[INFO] [stderr]   Downloaded cmake v0.1.42
[INFO] [stderr]   Downloaded spirv_cross v0.16.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded gfx-backend-empty v0.4.0
[INFO] [stderr]   Downloaded num_cpus v1.11.0
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded shaderc v0.6.1
[INFO] [stderr]   Downloaded adler32 v1.0.4
[INFO] [stderr]   Downloaded num-derive v0.1.44
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.16
[INFO] [stderr]   Downloaded serde_bytes v0.11.2
[INFO] [stderr]   Downloaded rendy-graph v0.5.1
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded palette_derive v0.4.1
[INFO] [stderr]   Downloaded gif v0.10.3
[INFO] [stderr]   Downloaded rendy-chain v0.5.1
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded genmesh v0.6.2
[INFO] [stderr]   Downloaded num-complex v0.2.3
[INFO] [stderr]   Downloaded matrixmultiply v0.2.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.9
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded num-bigint v0.1.44
[INFO] [stderr]   Downloaded wavefront_obj v6.0.0
[INFO] [stderr]   Downloaded rayon-core v1.6.0
[INFO] [stderr]   Downloaded glow v0.3.0-alpha3
[INFO] [stderr]   Downloaded cgmath v0.16.1
[INFO] [stderr]   Downloaded gfx-backend-dx12 v0.4.1
[INFO] [stderr]   Downloaded lexical v2.2.2
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded rayon v1.2.0
[INFO] [stderr]   Downloaded image v0.22.3
[INFO] [stderr]   Downloaded nalgebra v0.18.1
[INFO] [stderr]   Downloaded lexical-core v0.4.6
[INFO] [stderr]   Downloaded shaderc-sys v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e
[INFO] running `Command { std: "docker" "start" "9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling colorful v0.2.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling hibitset v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/alloc/src/borrow.rs:169:29
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling raw-window-handle v0.3.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling gfx-hal v0.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling shaderc-sys v0.6.1
[INFO] [stderr]    Compiling spirv-reflect v0.2.3
[INFO] [stderr] warning: shaderc-sys@0.6.1: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: shaderc-sys@0.6.1: System installed library not found.  Falling back to build from source
[INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.1`
[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-7e61b12710c2f587/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' (806) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.1/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:     0x6100f5951f51 - std[70759c8f55707aa4]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6100f5951f51 - std[70759c8f55707aa4]::backtrace_rs::backtrace::trace_unsynchronized::<std[70759c8f55707aa4]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6100f5951f51 - std[70759c8f55707aa4]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x6100f5951f51 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x6100f5965fba - <core[df12db4294e9bfd3]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x6100f5965fba - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      6:     0x6100f5957a7c - core[df12db4294e9bfd3]::io::write::default_write_fmt::<std[70759c8f55707aa4]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:402:11
[INFO] [stderr]      7:     0x6100f5957a7c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/io/write.rs:335:13
[INFO] [stderr]      8:     0x6100f5931ad6 - <std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x6100f5931ad6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x6100f594ce81 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x6100f594d03b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:815:13
[INFO] [stderr]     12:     0x6100f5931b82 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:688:13
[INFO] [stderr]     13:     0x6100f592a819 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x6100f593239d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:679:5
[INFO] [stderr]     15:     0x6100f59666ec - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x6100f58e2706 - <build_script_build[d964f8a4a3a7e9b4]::cmd_finder::CommandFinder>::must_have::<&str>::{closure#0}
[INFO] [stderr]     17:     0x6100f58e0190 - <core[df12db4294e9bfd3]::option::Option<std[70759c8f55707aa4]::path::PathBuf>>::unwrap_or_else::<<build_script_build[d964f8a4a3a7e9b4]::cmd_finder::CommandFinder>::must_have<&str>::{closure#0}>
[INFO] [stderr]     18:     0x6100f58e0120 - <build_script_build[d964f8a4a3a7e9b4]::cmd_finder::CommandFinder>::must_have::<&str>
[INFO] [stderr]     19:     0x6100f58e5696 - build_script_build[d964f8a4a3a7e9b4]::main
[INFO] [stderr]     20:     0x6100f58e7aa3 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x6100f58e1c86 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x6100f58e28a9 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x6100f594c249 - <&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x6100f594c249 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stderr]     25:     0x6100f594c249 - std[70759c8f55707aa4]::panicking::catch_unwind::<i32, &dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x6100f594c249 - std[70759c8f55707aa4]::panic::catch_unwind::<&dyn core[df12db4294e9bfd3]::ops::function::Fn<(), Output = i32> + core[df12db4294e9bfd3]::panic::unwind_safe::RefUnwindSafe + core[df12db4294e9bfd3]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x6100f594c249 - std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x6100f594c249 - std[70759c8f55707aa4]::panicking::catch_unwind::do_call::<std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:576:43
[INFO] [stderr]     29:     0x6100f594c249 - std[70759c8f55707aa4]::panicking::catch_unwind::<isize, std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x6100f594c249 - std[70759c8f55707aa4]::panic::catch_unwind::<std[70759c8f55707aa4]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x6100f594c249 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/dfb0accb7f508ae8be965d8629557221c889dd98/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x6100f58e18a1 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x6100f58e7b95 - main
[INFO] [stderr]     34:     0x71adee1cb601 - <unknown>
[INFO] [stderr]     35:     0x71adee1cb718 - __libc_start_main
[INFO] [stderr]     36:     0x6100f58df555 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e", kill_on_drop: false }`
[INFO] [stdout] 9c32738888db5c8c86520bd8f9abcb7ba83bc84aa56f79d448a54b35c9da610e
