[INFO] cloning repository https://github.com/shockham/leiners
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shockham/leiners" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fleiners", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fleiners'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49a3c38e01dca0b268da9bdc841a085137839b06
[INFO] checking shockham/leiners against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshockham%2Fleiners" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shockham/leiners on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shockham/leiners
[INFO] finished tweaking git repo https://github.com/shockham/leiners
[INFO] tweaked toml for git repo https://github.com/shockham/leiners written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/shockham/leiners already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1697d7a71d7529d39640d9076c0e5f7cad6be3385f6952d28c3c8a197dac3f50
[INFO] running `Command { std: "docker" "start" "-a" "1697d7a71d7529d39640d9076c0e5f7cad6be3385f6952d28c3c8a197dac3f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1697d7a71d7529d39640d9076c0e5f7cad6be3385f6952d28c3c8a197dac3f50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1697d7a71d7529d39640d9076c0e5f7cad6be3385f6952d28c3c8a197dac3f50", kill_on_drop: false }`
[INFO] [stdout] 1697d7a71d7529d39640d9076c0e5f7cad6be3385f6952d28c3c8a197dac3f50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dfeedee65e4d4359166f5f482cb7f36b8e05895a11fc5355d092b63d0e979af
[INFO] running `Command { std: "docker" "start" "-a" "0dfeedee65e4d4359166f5f482cb7f36b8e05895a11fc5355d092b63d0e979af", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling imgui-sys v0.0.21
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking wayland-sys v0.20.12
[INFO] [stderr]    Compiling glium v0.26.0
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking wayland-commons v0.20.12
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]     Checking rodio v0.8.1
[INFO] [stderr]     Checking genmesh v0.6.2
[INFO] [stderr]     Checking obj v0.9.1
[INFO] [stderr]     Checking noise v0.5.1
[INFO] [stderr]     Checking impose v0.3.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking volition v0.0.17
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]     Checking image v0.21.3
[INFO] [stderr]     Checking glium_text_rusttype v0.3.3
[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-0.17.3/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-0.17.3/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-0.17.3/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 3 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" "0dfeedee65e4d4359166f5f482cb7f36b8e05895a11fc5355d092b63d0e979af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfeedee65e4d4359166f5f482cb7f36b8e05895a11fc5355d092b63d0e979af", kill_on_drop: false }`
[INFO] [stdout] 0dfeedee65e4d4359166f5f482cb7f36b8e05895a11fc5355d092b63d0e979af
