[INFO] cloning repository https://github.com/Rexagon/vrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rexagon/vrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fvrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fvrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b371025a0c110b36b4092be513726ee76d68031f
[INFO] testing Rexagon/vrs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRexagon%2Fvrs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rexagon/vrs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rexagon/vrs
[INFO] finished tweaking git repo https://github.com/Rexagon/vrs
[INFO] tweaked toml for git repo https://github.com/Rexagon/vrs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Rexagon/vrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 781b34308e499b3bbfd475fe4c933aa1c89b3e0967c58eb3be56d9ee3a140761
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "781b34308e499b3bbfd475fe4c933aa1c89b3e0967c58eb3be56d9ee3a140761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "781b34308e499b3bbfd475fe4c933aa1c89b3e0967c58eb3be56d9ee3a140761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "781b34308e499b3bbfd475fe4c933aa1c89b3e0967c58eb3be56d9ee3a140761", kill_on_drop: false }`
[INFO] [stdout] 781b34308e499b3bbfd475fe4c933aa1c89b3e0967c58eb3be56d9ee3a140761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf40615df9e5c9c7393238825cdbb3bbee69678e07ab8cee4cf3f568d62ce5c4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf40615df9e5c9c7393238825cdbb3bbee69678e07ab8cee4cf3f568d62ce5c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling simba v0.1.5
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling nalgebra v0.21.1
[INFO] [stderr]    Compiling nalgebra v0.20.0
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling image v0.23.8
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling gltf-derive v0.15.2
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr] error: could not compile `image`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name image --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.8/./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 --cfg 'feature="bmp"' --cfg 'feature="dds"' --cfg 'feature="default"' --cfg 'feature="dxt"' --cfg 'feature="farbfeld"' --cfg 'feature="gif"' --cfg 'feature="hdr"' --cfg 'feature="ico"' --cfg 'feature="jpeg"' --cfg 'feature="jpeg_rayon"' --cfg 'feature="png"' --cfg 'feature="pnm"' --cfg 'feature="scoped_threadpool"' --cfg 'feature="tga"' --cfg 'feature="tiff"' --cfg 'feature="webp"' -C metadata=84d9b2f1ae91f20e -C extra-filename=-84d9b2f1ae91f20e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-8c8eb54658286b25.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rmeta --extern gif=/opt/rustwide/target/debug/deps/libgif-cc48460aef55eb30.rmeta --extern jpeg=/opt/rustwide/target/debug/deps/libjpeg_decoder-234a29b8b735f0ff.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-f1414028812f021a.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-3ca2ec601cc710dc.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-b04c68912b6268be.rmeta --extern png=/opt/rustwide/target/debug/deps/libpng-890fde1cf236c12a.rmeta --extern scoped_threadpool=/opt/rustwide/target/debug/deps/libscoped_threadpool-46227cba77bf068c.rmeta --extern tiff=/opt/rustwide/target/debug/deps/libtiff-3ea0ca238c0a120d.rmeta --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" "bf40615df9e5c9c7393238825cdbb3bbee69678e07ab8cee4cf3f568d62ce5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf40615df9e5c9c7393238825cdbb3bbee69678e07ab8cee4cf3f568d62ce5c4", kill_on_drop: false }`
[INFO] [stdout] bf40615df9e5c9c7393238825cdbb3bbee69678e07ab8cee4cf3f568d62ce5c4