[INFO] fetching crate contrast_renderer 0.1.1...
[INFO] testing contrast_renderer-0.1.1 against try#a40ec913238f4f188d97c41aa605cb486451acf2+target=i686-unknown-linux-musl for musl_1_2_upgrade_i686_unknown_linux_musl
[INFO] extracting crate contrast_renderer 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate contrast_renderer 0.1.1 on toolchain a40ec913238f4f188d97c41aa605cb486451acf2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate contrast_renderer 0.1.1
[INFO] finished tweaking crates.io crate contrast_renderer 0.1.1
[INFO] tweaked toml for crates.io crate contrast_renderer 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate contrast_renderer 0.1.1 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" "+a40ec913238f4f188d97c41aa605cb486451acf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7baa4d6d118aa4f0c13fdd7abb4143401d34cf4eafebd34c96db1dcae396f6b
[INFO] running `Command { std: "docker" "start" "-a" "d7baa4d6d118aa4f0c13fdd7abb4143401d34cf4eafebd34c96db1dcae396f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7baa4d6d118aa4f0c13fdd7abb4143401d34cf4eafebd34c96db1dcae396f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7baa4d6d118aa4f0c13fdd7abb4143401d34cf4eafebd34c96db1dcae396f6b", kill_on_drop: false }`
[INFO] [stdout] d7baa4d6d118aa4f0c13fdd7abb4143401d34cf4eafebd34c96db1dcae396f6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+a40ec913238f4f188d97c41aa605cb486451acf2" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d11cabe51afb325a668859cf3eb2727f9a4734a27b7e0ef0ea8d8731673aa43b
[INFO] running `Command { std: "docker" "start" "-a" "d11cabe51afb325a668859cf3eb2727f9a4734a27b7e0ef0ea8d8731673aa43b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling ash v0.37.0+1.3.209
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling spirv v0.2.0+1.5.4
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling hexf-parse v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling wgpu-core v0.13.1
[INFO] [stderr]    Compiling gpu-alloc v0.5.2
[INFO] [stderr]    Compiling wgpu-types v0.13.0
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling glow v0.11.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling renderdoc-sys v0.7.1
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling profiling v1.0.2
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling geometric_algebra v0.1.3
[INFO] [stderr]    Compiling ttf-parser v0.14.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling gpu-descriptor v0.2.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling naga v0.9.0
[INFO] [stderr]    Compiling wgpu-hal v0.13.1
[INFO] [stderr] error: could not compile `ash`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ash --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ash-0.37.0+1.3.209/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="debug"' --cfg 'feature="default"' --cfg 'feature="libloading"' --cfg 'feature="loaded"' -C metadata=07c2c80c544ed61b -C extra-filename=-07c2c80c544ed61b --out-dir /opt/rustwide/target/i686-unknown-linux-musl/debug/deps --target i686-unknown-linux-musl -L dependency=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libloading=/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/liblibloading-5129d57c46bcbbd5.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d11cabe51afb325a668859cf3eb2727f9a4734a27b7e0ef0ea8d8731673aa43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d11cabe51afb325a668859cf3eb2727f9a4734a27b7e0ef0ea8d8731673aa43b", kill_on_drop: false }`
[INFO] [stdout] d11cabe51afb325a668859cf3eb2727f9a4734a27b7e0ef0ea8d8731673aa43b