[INFO] cloning repository https://github.com/Budmeister/snaek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Budmeister/snaek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudmeister%2Fsnaek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudmeister%2Fsnaek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8616b6dc6d4dea0d89372f14737818f6b2ff783
[INFO] building Budmeister/snaek against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBudmeister%2Fsnaek" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Budmeister/snaek on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Budmeister/snaek
[INFO] finished tweaking git repo https://github.com/Budmeister/snaek
[INFO] tweaked toml for git repo https://github.com/Budmeister/snaek written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Budmeister/snaek 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" "+334963c956d25708feab489a3816ae63f639355d" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfc8e13541a5eab1534c1d3fd3fbb3f5294d70ac66e59944af09f25cc9637bf6
[INFO] running `Command { std: "docker" "start" "-a" "bfc8e13541a5eab1534c1d3fd3fbb3f5294d70ac66e59944af09f25cc9637bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfc8e13541a5eab1534c1d3fd3fbb3f5294d70ac66e59944af09f25cc9637bf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfc8e13541a5eab1534c1d3fd3fbb3f5294d70ac66e59944af09f25cc9637bf6", kill_on_drop: false }`
[INFO] [stdout] bfc8e13541a5eab1534c1d3fd3fbb3f5294d70ac66e59944af09f25cc9637bf6
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fe0c661666c56520af36f5e4671d0f6cc8fc0913a1a45ed66d88e6fc1974e1f
[INFO] running `Command { std: "docker" "start" "-a" "5fe0c661666c56520af36f5e4671d0f6cc8fc0913a1a45ed66d88e6fc1974e1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling libloading v0.8.1
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling fdeflate v0.3.1
[INFO] [stderr]    Compiling dlib v0.5.2
[INFO] [stderr]    Compiling piston-float v1.0.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.8
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling scoped-tls v1.0.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling piston-viewport v1.0.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling arrayref v0.3.7
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling piston-graphics_api_version v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling tiny-skia-path v0.8.4
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling x11-dl v2.21.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling wayland-scanner v0.29.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.1
[INFO] [stderr]    Compiling wayland-sys v0.30.1
[INFO] [stderr]    Compiling png v0.17.10
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling glutin v0.30.10
[INFO] [stderr]    Compiling glutin_egl_sys v0.5.1
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.4.0
[INFO] [stderr]    Compiling tiny-skia v0.8.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.20.0
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling ab_glyph v0.2.23
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling ttf-parser v0.15.2
[INFO] [stderr]    Compiling wayland-client v0.29.5
[INFO] [stderr]    Compiling wayland-protocols v0.29.5
[INFO] [stderr]    Compiling winit v0.28.7
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling exr v1.71.0
[INFO] [stderr]    Compiling sdl2-sys v0.36.0
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling mio v0.8.9
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling wayland-commons v0.29.5
[INFO] [stderr]    Compiling jpeg-decoder v0.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling glutin-winit v0.3.0
[INFO] [stderr]    Compiling tiff v0.9.0
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling piston-texture v0.9.0
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling wayland-cursor v0.29.5
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling gfx v0.18.3
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling shader_version v0.7.0
[INFO] [stderr]    Compiling gif v0.11.4
[INFO] [stderr]    Compiling owned_ttf_parser v0.15.2
[INFO] [stderr]    Compiling vecmath v1.0.0
[INFO] [stderr]    Compiling rusttype v0.9.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling spin_sleep v1.1.1
[INFO] [stderr]    Compiling image v0.24.7
[INFO] [stderr]    Compiling interpolation v0.3.0
[INFO] [stderr]    Compiling read_color v1.0.0
[INFO] [stderr]    Compiling into_color v0.1.0 (/opt/rustwide/workdir/into_color)
[INFO] [stderr]    Compiling piston2d-graphics v0.44.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling sdl2 v0.36.0
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling calloop v0.10.6
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling pistoncore-input v1.0.1
[INFO] [stderr]    Compiling pistoncore-window v1.0.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.55.0
[INFO] [stderr]    Compiling piston v0.55.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.44.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.80.0
[INFO] [stderr]    Compiling snaek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `color_space`
[INFO] [stdout]  --> build.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use into_color::{as_color, color_space};
[INFO] [stdout]   |                            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `snaek v0.1.0 (/opt/rustwide/workdir)`
[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/snaek-bfbc1fbdecd4b5a3/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at build.rs:12:36:
[INFO] [stderr]   Failed to create output directory: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563c012e53ca - std::backtrace_rs::backtrace::libunwind::trace::hb592e8fae072c7e3
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x563c012e53ca - std::backtrace_rs::backtrace::trace_unsynchronized::h8927fd6287254ed0
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563c012e53ca - std::sys::backtrace::_print_fmt::hc83c64bb828feee6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x563c012e53ca - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h57c3f6132393e01d
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x563c0130b0b3 - core::fmt::rt::Argument::fmt::h4939d14a683ecc7e
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x563c0130b0b3 - core::fmt::write::h5279a33f365588a6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/fmt/mod.rs:1440:21
[INFO] [stderr]      6:     0x563c012e1c33 - std::io::Write::write_fmt::h439bcb4e9cbc1e1e
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/io/mod.rs:1887:15
[INFO] [stderr]      7:     0x563c012e5212 - std::sys::backtrace::BacktraceLock::print::h08f61ba9b844b4ac
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x563c012e63c0 - std::panicking::default_hook::{{closure}}::ha7d66a7a8cf0304f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x563c012e61a0 - std::panicking::default_hook::h130dd4cc4e018e28
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:322:9
[INFO] [stderr]     10:     0x563c012e6ba2 - std::panicking::rust_panic_with_hook::h429a5d73cf660a69
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:828:13
[INFO] [stderr]     11:     0x563c012e692a - std::panicking::begin_panic_handler::{{closure}}::h8ee26903b8ef2276
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:701:13
[INFO] [stderr]     12:     0x563c012e58d9 - std::sys::backtrace::__rust_end_short_backtrace::hc830b1279d63031c
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     13:     0x563c012e65bd - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:692:5
[INFO] [stderr]     14:     0x563c01308c80 - core::panicking::panic_fmt::hd90af040c9b3a7a3
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x563c013090f6 - core::result::unwrap_failed::h5aa9b3bea2924411
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/result.rs:1704:5
[INFO] [stderr]     16:     0x563c01209223 - core::result::Result<T,E>::expect::hcc9d9e9ad7d371e9
[INFO] [stderr]     17:     0x563c010e450a - build_script_build::main::h3b7007b50d289ad5
[INFO] [stderr]     18:     0x563c010e37a3 - core::ops::function::FnOnce::call_once::hea2f5e30a245f6c4
[INFO] [stderr]     19:     0x563c010e3526 - std::sys::backtrace::__rust_begin_short_backtrace::h83593f9e72a3649c
[INFO] [stderr]     20:     0x563c010e34f9 - std::rt::lang_start::{{closure}}::h225ddef9fbbc83c6
[INFO] [stderr]     21:     0x563c012db927 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h608e79d482179a73
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x563c012db927 - std::panicking::try::do_call::h68af151b24870582
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:584:40
[INFO] [stderr]     23:     0x563c012db927 - std::panicking::try::ha3328a6a71abe6a1
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:547:19
[INFO] [stderr]     24:     0x563c012db927 - std::panic::catch_unwind::hab25edf77eece0af
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panic.rs:358:14
[INFO] [stderr]     25:     0x563c012db927 - std::rt::lang_start_internal::{{closure}}::h675ae012d3c7e5f1
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/rt.rs:174:48
[INFO] [stderr]     26:     0x563c012db927 - std::panicking::try::do_call::h959dd56984007ef9
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:584:40
[INFO] [stderr]     27:     0x563c012db927 - std::panicking::try::h680ac32c918982f6
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panicking.rs:547:19
[INFO] [stderr]     28:     0x563c012db927 - std::panic::catch_unwind::hdbe022418e45492f
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/panic.rs:358:14
[INFO] [stderr]     29:     0x563c012db927 - std::rt::lang_start_internal::h6fa91857d7bd0472
[INFO] [stderr]                                  at /rustc/334963c956d25708feab489a3816ae63f639355d/library/std/src/rt.rs:174:20
[INFO] [stderr]     30:     0x563c010e34d7 - std::rt::lang_start::hf20c191bc36e080e
[INFO] [stderr]     31:     0x563c010e52f5 - main
[INFO] [stderr]     32:     0x7529604fad90 - <unknown>
[INFO] [stderr]     33:     0x7529604fae40 - __libc_start_main
[INFO] [stderr]     34:     0x563c010e2c15 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5fe0c661666c56520af36f5e4671d0f6cc8fc0913a1a45ed66d88e6fc1974e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fe0c661666c56520af36f5e4671d0f6cc8fc0913a1a45ed66d88e6fc1974e1f", kill_on_drop: false }`
[INFO] [stdout] 5fe0c661666c56520af36f5e4671d0f6cc8fc0913a1a45ed66d88e6fc1974e1f
