[INFO] cloning repository https://github.com/eterevsky/try-piston
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eterevsky/try-piston" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feterevsky%2Ftry-piston", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feterevsky%2Ftry-piston'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bb6dead3f1e6937b503ecfed4cc9ec162987a0e
[INFO] documenting eterevsky/try-piston against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feterevsky%2Ftry-piston" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eterevsky/try-piston on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eterevsky/try-piston
[INFO] finished tweaking git repo https://github.com/eterevsky/try-piston
[INFO] tweaked toml for git repo https://github.com/eterevsky/try-piston written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/eterevsky/try-piston already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b4041c8c5c157e484d4e13d47e1df865631ccd27a14cb6a562383f52745ac4
[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" "28b4041c8c5c157e484d4e13d47e1df865631ccd27a14cb6a562383f52745ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b4041c8c5c157e484d4e13d47e1df865631ccd27a14cb6a562383f52745ac4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b4041c8c5c157e484d4e13d47e1df865631ccd27a14cb6a562383f52745ac4", kill_on_drop: false }`
[INFO] [stdout] 28b4041c8c5c157e484d4e13d47e1df865631ccd27a14cb6a562383f52745ac4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 698b31ba1da6c6198eb59636c835e07282443f4e38ab260376e9621645215e2a
[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" "698b31ba1da6c6198eb59636c835e07282443f4e38ab260376e9621645215e2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v0.8.13
[INFO] [stderr]     Checking rustc-serialize v0.3.19
[INFO] [stderr]    Compiling gcc v0.3.37
[INFO] [stderr]     Checking odds v0.2.23
[INFO] [stderr]    Compiling xml-rs v0.3.4
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.9.0
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking gfx_core v0.4.0
[INFO] [stderr]     Checking piston2d-graphics v0.17.3
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking tempfile v2.1.4
[INFO] [stdout] error[E0642]: patterns aren't allowed in functions without bodies
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.3.19/src/serialize.rs:147:45
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   &f_name: &str,
[INFO] [stdout]     |                       ^^^^^^^ pattern not allowed in function without body
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]     Checking rayon v0.4.2
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.8
[INFO] [stderr]     Checking arrayvec v0.3.20
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking rusttype v0.2.1
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0642`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-serialize`.
[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] [stdout] error[E0311]: the parameter type `K` may not live long enough
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusttype-0.2.1/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-0.2.1/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] 80  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |             }
[INFO] [stdout] 137 | |         }
[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-0.2.1/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-0.2.1/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] 80  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 136 | |             }
[INFO] [stdout] 137 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "698b31ba1da6c6198eb59636c835e07282443f4e38ab260376e9621645215e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698b31ba1da6c6198eb59636c835e07282443f4e38ab260376e9621645215e2a", kill_on_drop: false }`
[INFO] [stdout] 698b31ba1da6c6198eb59636c835e07282443f4e38ab260376e9621645215e2a