[INFO] cloning repository https://github.com/scomp/scribbler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scomp/scribbler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscomp%2Fscribbler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscomp%2Fscribbler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f46047373d9b3a17255aea7a8eabd740fadd439
[INFO] testing scomp/scribbler against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscomp%2Fscribbler" "/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/scomp/scribbler on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scomp/scribbler
[INFO] finished tweaking git repo https://github.com/scomp/scribbler
[INFO] tweaked toml for git repo https://github.com/scomp/scribbler written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/scomp/scribbler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded user32-sys v0.1.3
[INFO] [stderr]   Downloaded minifb v0.11.2
[INFO] [stderr]   Downloaded x11-dl v2.14.0
[INFO] [stderr]   Downloaded gdi32-sys v0.1.2
[INFO] [stderr]   Downloaded approx v0.3.1
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.0
[INFO] [stderr]   Downloaded ncollide2d v0.17.3
[INFO] [stderr]   Downloaded libc v0.2.47
[INFO] [stderr]   Downloaded orbclient v0.3.20
[INFO] [stderr]   Downloaded nalgebra v0.16.13
[INFO] [stderr]   Downloaded smallvec v0.6.8
[INFO] [stderr]   Downloaded font8x8 v0.2.4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 76730b68fceee5ae757abb33fa4bc43222b7528382622fc05a0a3bdd02797ff4
[INFO] running `Command { std: "docker" "start" "-a" "76730b68fceee5ae757abb33fa4bc43222b7528382622fc05a0a3bdd02797ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76730b68fceee5ae757abb33fa4bc43222b7528382622fc05a0a3bdd02797ff4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76730b68fceee5ae757abb33fa4bc43222b7528382622fc05a0a3bdd02797ff4", kill_on_drop: false }`
[INFO] [stdout] 76730b68fceee5ae757abb33fa4bc43222b7528382622fc05a0a3bdd02797ff4
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17ae9c6ea7eb2ce9178baa09b38c58e385674915bb7ee668f84c361c2dea8974
[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" "17ae9c6ea7eb2ce9178baa09b38c58e385674915bb7ee668f84c361c2dea8974", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling libm v0.1.2
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling font8x8 v0.2.4
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling nalgebra v0.16.13
[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-0.16.13/src/base/cg.rs:291:44
[INFO] [stdout]     |
[INFO] [stdout] 291 |                 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] [stdout] error: aborting due to previous error
[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` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "17ae9c6ea7eb2ce9178baa09b38c58e385674915bb7ee668f84c361c2dea8974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17ae9c6ea7eb2ce9178baa09b38c58e385674915bb7ee668f84c361c2dea8974", kill_on_drop: false }`
[INFO] [stdout] 17ae9c6ea7eb2ce9178baa09b38c58e385674915bb7ee668f84c361c2dea8974