[INFO] cloning repository https://github.com/softwaremill/rustmill
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/softwaremill/rustmill" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwaremill%2Frustmill", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwaremill%2Frustmill'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8a0b4456d38ddb1fe16c682b2abf96846c6c0b7
[INFO] documenting softwaremill/rustmill against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoftwaremill%2Frustmill" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/softwaremill/rustmill on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/softwaremill/rustmill
[INFO] finished tweaking git repo https://github.com/softwaremill/rustmill
[INFO] tweaked toml for git repo https://github.com/softwaremill/rustmill written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/softwaremill/rustmill already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0585d0b3c7be91040219a9e5f36b0bdf74dbdfec1b3f10f3350256f707cb1a8
[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" "d0585d0b3c7be91040219a9e5f36b0bdf74dbdfec1b3f10f3350256f707cb1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0585d0b3c7be91040219a9e5f36b0bdf74dbdfec1b3f10f3350256f707cb1a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0585d0b3c7be91040219a9e5f36b0bdf74dbdfec1b3f10f3350256f707cb1a8", kill_on_drop: false }`
[INFO] [stdout] d0585d0b3c7be91040219a9e5f36b0bdf74dbdfec1b3f10f3350256f707cb1a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] c545d691f3425612df73537de64d941e3d1e0ca9ef5815fcd5f31f85101ff922
[INFO] running `Command { std: "docker" "start" "-a" "c545d691f3425612df73537de64d941e3d1e0ca9ef5815fcd5f31f85101ff922", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling khronos_api v2.0.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]    Compiling rayon-core v1.3.0
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking piston-texture v0.6.0
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking arrayvec v0.4.6
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]    Compiling x11-dl v2.17.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]     Checking alga v0.5.2
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]     Checking rusttype v0.2.3
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stdout] error[E0311]: the parameter type `K` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match node.force() {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the parameter type `K` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stdout] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stdout] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0311]: the parameter type `V` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:81:19
[INFO] [stdout]    |
[INFO] [stdout] 81 |             match node.force() {
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the parameter type `V` must be valid for the anonymous lifetime #1 defined on the function body at 77:9...
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.3/src/support/bst/map.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 | /         fn clone_subtree<K: Clone, V: Clone>(
[INFO] [stdout] 78 | |                 node: node::NodeRef<marker::Immut, K, V, marker::LeafOrInternal>)
[INFO] [stdout] 79 | |                 -> BTreeMap<K, V> {
[INFO] [stdout]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusttype`.
[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" "c545d691f3425612df73537de64d941e3d1e0ca9ef5815fcd5f31f85101ff922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c545d691f3425612df73537de64d941e3d1e0ca9ef5815fcd5f31f85101ff922", kill_on_drop: false }`
[INFO] [stdout] c545d691f3425612df73537de64d941e3d1e0ca9ef5815fcd5f31f85101ff922