[INFO] cloning repository https://github.com/Wantbetter/fancy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Wantbetter/fancy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWantbetter%2Ffancy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWantbetter%2Ffancy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c2aa12f57540acb4110caf40d92e6467437c39c
[INFO] documenting Wantbetter/fancy against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWantbetter%2Ffancy" "/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/Wantbetter/fancy on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Wantbetter/fancy
[INFO] finished tweaking git repo https://github.com/Wantbetter/fancy
[INFO] tweaked toml for git repo https://github.com/Wantbetter/fancy written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Wantbetter/fancy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9e26b579f845ced3e61a3f4903709a65b83320d2f8817281275a3c27a8ac318
[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" "e9e26b579f845ced3e61a3f4903709a65b83320d2f8817281275a3c27a8ac318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e26b579f845ced3e61a3f4903709a65b83320d2f8817281275a3c27a8ac318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e26b579f845ced3e61a3f4903709a65b83320d2f8817281275a3c27a8ac318", kill_on_drop: false }`
[INFO] [stdout] e9e26b579f845ced3e61a3f4903709a65b83320d2f8817281275a3c27a8ac318
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2e25f6df9654dee68eb465cf3d10d47b3dfe7e6215f0417222eee8385f5d72e
[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" "a2e25f6df9654dee68eb465cf3d10d47b3dfe7e6215f0417222eee8385f5d72e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.81
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking askama_escape v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.2
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling actix-web v0.7.15
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking backtrace-sys v0.1.24
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking signal-hook v0.1.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking mime v0.3.12
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking nalgebra v0.17.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.3
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.0
[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-0.17.2/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 actix v0.7.8
[INFO] [stderr]     Checking actix-net v0.2.4
[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`
[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" "a2e25f6df9654dee68eb465cf3d10d47b3dfe7e6215f0417222eee8385f5d72e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e25f6df9654dee68eb465cf3d10d47b3dfe7e6215f0417222eee8385f5d72e", kill_on_drop: false }`
[INFO] [stdout] a2e25f6df9654dee68eb465cf3d10d47b3dfe7e6215f0417222eee8385f5d72e
