[INFO] cloning repository https://github.com/lukors/kanter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukors/kanter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukors%2Fkanter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukors%2Fkanter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fb537621c150529109a612b8be3cb4021b6eb41
[INFO] testing lukors/kanter against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukors%2Fkanter" "/workspace/builds/worker-35/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-35/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/lukors/kanter on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukors/kanter
[INFO] finished tweaking git repo https://github.com/lukors/kanter
[INFO] tweaked toml for git repo https://github.com/lukors/kanter written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] crate git repo https://github.com/lukors/kanter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/lukors/kanter_core`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spirv-std-macros v0.4.0-alpha.5
[INFO] [stderr]   Downloaded hexasphere v3.2.0
[INFO] [stderr]   Downloaded inotify v0.9.2
[INFO] [stderr]   Downloaded wfd v0.1.7
[INFO] [stderr]   Downloaded ab_glyph v0.2.10
[INFO] [stderr]   Downloaded notify v5.0.0-pre.7
[INFO] [stderr]   Downloaded euclid v0.22.3
[INFO] [stderr]   Downloaded ttf-parser v0.12.0
[INFO] [stderr]   Downloaded native-dialog v0.5.5
[INFO] [stderr]   Downloaded spirv-std v0.4.0-alpha.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9285be00d4e722938ba03a2a318152bb54c545ab388c5176aca260268cffc698
[INFO] running `Command { std: "docker" "start" "-a" "9285be00d4e722938ba03a2a318152bb54c545ab388c5176aca260268cffc698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9285be00d4e722938ba03a2a318152bb54c545ab388c5176aca260268cffc698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9285be00d4e722938ba03a2a318152bb54c545ab388c5176aca260268cffc698", kill_on_drop: false }`
[INFO] [stdout] 9285be00d4e722938ba03a2a318152bb54c545ab388c5176aca260268cffc698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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=warn" "-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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a35b1140b6276e6f27b7b686c107ac5a643146c72b8906f568f53d42b1c221ce
[INFO] running `Command { std: "docker" "start" "-a" "a35b1140b6276e6f27b7b686c107ac5a643146c72b8906f568f53d42b1c221ce", 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] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.4.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling bevy-glsl-to-spirv v0.2.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling khronos-egl v3.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ttf-parser v0.12.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling inflections v1.1.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.4
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling glow v0.7.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling svg_fmt v0.4.1
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling inplace_it v0.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling rectangle-pack v0.3.0
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling xi-unicode v0.3.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling gpu-descriptor-types v0.1.1
[INFO] [stderr]    Compiling wgpu-types v0.7.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr] error: could not compile `proc-macro2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.30/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="proc-macro"' -C metadata=e3ac11564b3b23f9 -C extra-filename=-e3ac11564b3b23f9 --out-dir /opt/rustwide/target/debug/build/proc-macro2-e3ac11564b3b23f9 -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "a35b1140b6276e6f27b7b686c107ac5a643146c72b8906f568f53d42b1c221ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a35b1140b6276e6f27b7b686c107ac5a643146c72b8906f568f53d42b1c221ce", kill_on_drop: false }`
[INFO] [stdout] a35b1140b6276e6f27b7b686c107ac5a643146c72b8906f568f53d42b1c221ce