[INFO] cloning repository https://github.com/audiodog301/learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/audiodog301/learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Flearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Flearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e8613f7118f23291f14690f1d7843e5ce2a6d4e
[INFO] checking audiodog301/learning against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudiodog301%2Flearning" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/audiodog301/learning on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/audiodog301/learning
[INFO] finished tweaking git repo https://github.com/audiodog301/learning
[INFO] tweaked toml for git repo https://github.com/audiodog301/learning written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/audiodog301/learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd37005d3a7192885d2410970116275a2d42e3fc5336069b71ed66e0f15fee35
[INFO] running `Command { std: "docker" "start" "-a" "fd37005d3a7192885d2410970116275a2d42e3fc5336069b71ed66e0f15fee35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd37005d3a7192885d2410970116275a2d42e3fc5336069b71ed66e0f15fee35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd37005d3a7192885d2410970116275a2d42e3fc5336069b71ed66e0f15fee35", kill_on_drop: false }`
[INFO] [stdout] fd37005d3a7192885d2410970116275a2d42e3fc5336069b71ed66e0f15fee35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15f6e3164f7c34efad277589e02f5546fa887260fabe9a0f6a134b81d63d8f9d
[INFO] running `Command { std: "docker" "start" "-a" "15f6e3164f7c34efad277589e02f5546fa887260fabe9a0f6a134b81d63d8f9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking ttf-parser v0.8.3
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking iced_core v0.3.0
[INFO] [stderr]     Checking inplace_it v0.3.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking typed-arena v2.0.1
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]     Checking svg_fmt v0.4.1
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling glam v0.10.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking wgpu-types v0.6.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr] error: could not compile `pkg-config`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pkg_config /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pkg-config-0.3.19/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b952aecd167c3d7e -C extra-filename=-b952aecd167c3d7e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "15f6e3164f7c34efad277589e02f5546fa887260fabe9a0f6a134b81d63d8f9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f6e3164f7c34efad277589e02f5546fa887260fabe9a0f6a134b81d63d8f9d", kill_on_drop: false }`
[INFO] [stdout] 15f6e3164f7c34efad277589e02f5546fa887260fabe9a0f6a134b81d63d8f9d