[INFO] cloning repository https://github.com/rparrett/roborun
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rparrett/roborun" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frparrett%2Froborun", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frparrett%2Froborun'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cbdd7b7c790dff89b4e1ce03967e1db7fd3aca1
[INFO] documenting rparrett/roborun against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frparrett%2Froborun" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rparrett/roborun on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rparrett/roborun
[INFO] finished tweaking git repo https://github.com/rparrett/roborun
[INFO] tweaked toml for git repo https://github.com/rparrett/roborun written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rparrett/roborun already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afc53d20df9a8182dab51b9bb61f23775853bdad2c8c30b69deceb853cfcf7d5
[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" "afc53d20df9a8182dab51b9bb61f23775853bdad2c8c30b69deceb853cfcf7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc53d20df9a8182dab51b9bb61f23775853bdad2c8c30b69deceb853cfcf7d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc53d20df9a8182dab51b9bb61f23775853bdad2c8c30b69deceb853cfcf7d5", kill_on_drop: false }`
[INFO] [stdout] afc53d20df9a8182dab51b9bb61f23775853bdad2c8c30b69deceb853cfcf7d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f210ce56414ac7fb92aec3aec9f9ccc58fa3d595aa472a9644ea7a0a7f3e755f
[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" "f210ce56414ac7fb92aec3aec9f9ccc58fa3d595aa472a9644ea7a0a7f3e755f", kill_on_drop: false }`
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking rand_jitter v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]    Compiling stdweb v0.4.13
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rusttype v0.7.4
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking alga v0.8.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking andrew v0.1.6
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]     Checking nalgebra v0.17.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking wayland-commons v0.21.11
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.4
[INFO] [stdout] error[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.0/src/base/cg.rs:297:44
[INFO] [stdout]     |
[INFO] [stdout] 297 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stdout]     |                 ---------------------------^^^^-------------------
[INFO] [stdout]     |                 |                          |
[INFO] [stdout]     |                 |                          immutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking winit v0.18.1
[INFO] [stdout] error[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.0/src/sparse/cs_matrix_solve.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |                     b[i] -= b[j] * val;
[INFO] [stdout]    |                     --------^---------
[INFO] [stdout]    |                     |       |
[INFO] [stdout]    |                     |       immutable borrow occurs here
[INFO] [stdout]    |                     mutable borrow occurs here
[INFO] [stdout]    |                     mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `b` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.0/src/sparse/cs_matrix_solve.rs:122:39
[INFO] [stdout]     |
[INFO] [stdout] 122 |                         b[j] -= val * b[i];
[INFO] [stdout]     |                         --------------^---
[INFO] [stdout]     |                         |             |
[INFO] [stdout]     |                         |             immutable borrow occurs here
[INFO] [stdout]     |                         mutable borrow occurs here
[INFO] [stdout]     |                         mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `workspace` as immutable because it is also borrowed as mutable
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.17.0/src/sparse/cs_matrix_solve.rs:181:33
[INFO] [stdout]     |
[INFO] [stdout] 181 |                 workspace[i] -= workspace[j] * val;
[INFO] [stdout]     |                 ----------------^^^^^^^^^---------
[INFO] [stdout]     |                 |               |
[INFO] [stdout]     |                 |               immutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow occurs here
[INFO] [stdout]     |                 mutable borrow later used here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "f210ce56414ac7fb92aec3aec9f9ccc58fa3d595aa472a9644ea7a0a7f3e755f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f210ce56414ac7fb92aec3aec9f9ccc58fa3d595aa472a9644ea7a0a7f3e755f", kill_on_drop: false }`
[INFO] [stdout] f210ce56414ac7fb92aec3aec9f9ccc58fa3d595aa472a9644ea7a0a7f3e755f
