[INFO] cloning repository https://github.com/SPIGS/Polymorph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SPIGS/Polymorph" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSPIGS%2FPolymorph", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSPIGS%2FPolymorph'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8673dae83e87fc798529170860f7e6466cd51bfc
[INFO] testing SPIGS/Polymorph against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSPIGS%2FPolymorph" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SPIGS/Polymorph on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SPIGS/Polymorph
[INFO] finished tweaking git repo https://github.com/SPIGS/Polymorph
[INFO] tweaked toml for git repo https://github.com/SPIGS/Polymorph written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/SPIGS/Polymorph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bracket-algorithm-traits v0.8.1
[INFO] [stderr]   Downloaded bracket-geometry v0.8.1
[INFO] [stderr]   Downloaded bracket-noise v0.8.1
[INFO] [stderr]   Downloaded simplelog v0.7.4
[INFO] [stderr]   Downloaded ahash v0.3.2
[INFO] [stderr]   Downloaded hashbrown v0.7.1
[INFO] [stderr]   Downloaded tynm v0.1.4
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded bracket-random v0.8.0
[INFO] [stderr]   Downloaded bracket-color v0.8.1
[INFO] [stderr]   Downloaded glutin v0.24.0
[INFO] [stderr]   Downloaded glutin v0.23.0
[INFO] [stderr]   Downloaded ultraviolet v0.4.6
[INFO] [stderr]   Downloaded wide v0.4.6
[INFO] [stderr]   Downloaded winit v0.22.1
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.12
[INFO] [stderr]   Downloaded bracket-pathfinding v0.8.1
[INFO] [stderr]   Downloaded winit v0.21.0
[INFO] [stderr]   Downloaded bracket-terminal v0.8.1
[INFO] [stderr]   Downloaded object-pool v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cd8c137581dd21594d28e86f78ee86d012e5b2cebaa1cd42db8703d9dcf7d5f
[INFO] running `Command { std: "docker" "start" "-a" "1cd8c137581dd21594d28e86f78ee86d012e5b2cebaa1cd42db8703d9dcf7d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cd8c137581dd21594d28e86f78ee86d012e5b2cebaa1cd42db8703d9dcf7d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd8c137581dd21594d28e86f78ee86d012e5b2cebaa1cd42db8703d9dcf7d5f", kill_on_drop: false }`
[INFO] [stdout] 1cd8c137581dd21594d28e86f78ee86d012e5b2cebaa1cd42db8703d9dcf7d5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2966d428e8f955437f2b4da24765d8bcb77a418d9661e2c1ad4a0219bd04d44d
[INFO] running `Command { std: "docker" "start" "-a" "2966d428e8f955437f2b4da24765d8bcb77a418d9661e2c1ad4a0219bd04d44d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bytemuck v1.2.0
[INFO] [stderr]    Compiling wide v0.4.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling instant v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling atom v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling tuple_utils v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling shrev v1.1.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.7.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling deflate v0.8.4
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling png v0.16.3
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.14.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=cd5746b328f6683c -C extra-filename=-cd5746b328f6683c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-6d05264d59b50f7f.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-81c3651d70dd4895.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-26471002dee0c7ab.rmeta --extern void=/opt/rustwide/target/debug/deps/libvoid-908b01a274af8ae5.rmeta --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" "2966d428e8f955437f2b4da24765d8bcb77a418d9661e2c1ad4a0219bd04d44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2966d428e8f955437f2b4da24765d8bcb77a418d9661e2c1ad4a0219bd04d44d", kill_on_drop: false }`
[INFO] [stdout] 2966d428e8f955437f2b4da24765d8bcb77a418d9661e2c1ad4a0219bd04d44d