[INFO] updating cached repository https://github.com/bausano/pong
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9bdb830609e8cac49914152c3f53bc596343df37
[INFO] checking bausano/pong against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbausano%2Fpong" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bausano/pong on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bausano/pong
[INFO] finished tweaking git repo https://github.com/bausano/pong
[INFO] tweaked toml for git repo https://github.com/bausano/pong written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/bausano/pong already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b918ea90b012eb30fc5f5d95629515d796d64d21f34192a379a4c6d3352721f
[INFO] running `"docker" "start" "-a" "7b918ea90b012eb30fc5f5d95629515d796d64d21f34192a379a4c6d3352721f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rscam v0.5.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]     Checking bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking minimp3 v0.3.5
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking glyph_brush_layout v0.1.9
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking glyph_brush v0.6.3
[INFO] [stderr]     Checking glyph_brush v0.5.4
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking gilrs-core v0.2.5
[INFO] [stderr]     Checking gilrs v0.7.4
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking glutin v0.20.1
[INFO] [stderr]    Compiling ggez v0.5.1
[INFO] [stderr]     Checking gfx_window_glutin v0.30.0
[INFO] [stderr] error[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:81:29
[INFO] [stderr]    |
[INFO] [stderr] 81 |                     b[i] -= b[j] * val;
[INFO] [stderr]    |                     --------^---------
[INFO] [stderr]    |                     |       |
[INFO] [stderr]    |                     |       immutable borrow occurs here
[INFO] [stderr]    |                     mutable borrow occurs here
[INFO] [stderr]    |                     mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:122:39
[INFO] [stderr]     |
[INFO] [stderr] 122 |                         b[j] -= val * b[i];
[INFO] [stderr]     |                         --------------^---
[INFO] [stderr]     |                         |             |
[INFO] [stderr]     |                         |             immutable borrow occurs here
[INFO] [stderr]     |                         mutable borrow occurs here
[INFO] [stderr]     |                         mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error[E0502]: cannot borrow `workspace` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.3/src/sparse/cs_matrix_solve.rs:181:33
[INFO] [stderr]     |
[INFO] [stderr] 181 |                 workspace[i] -= workspace[j] * val;
[INFO] [stderr]     |                 ----------------^^^^^^^^^---------
[INFO] [stderr]     |                 |               |
[INFO] [stderr]     |                 |               immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0502`.
[INFO] [stderr] error: could not compile `nalgebra`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7b918ea90b012eb30fc5f5d95629515d796d64d21f34192a379a4c6d3352721f"`
[INFO] running `"docker" "rm" "-f" "7b918ea90b012eb30fc5f5d95629515d796d64d21f34192a379a4c6d3352721f"`
[INFO] [stdout] 7b918ea90b012eb30fc5f5d95629515d796d64d21f34192a379a4c6d3352721f
