[INFO] cloning repository https://github.com/JWorthe/rust_channels_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JWorthe/rust_channels_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJWorthe%2Frust_channels_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJWorthe%2Frust_channels_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed566a37fdd74528ded62e2d3b19c3db69bcb297
[INFO] documenting JWorthe/rust_channels_example 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%2FJWorthe%2Frust_channels_example" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JWorthe/rust_channels_example 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/JWorthe/rust_channels_example
[INFO] finished tweaking git repo https://github.com/JWorthe/rust_channels_example
[INFO] tweaked toml for git repo https://github.com/JWorthe/rust_channels_example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/JWorthe/rust_channels_example 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]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 7b0a55faa66a58ce9e954333a57d9e5fb424a5db49e28a1b6e13a0ad4004e750
[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" "7b0a55faa66a58ce9e954333a57d9e5fb424a5db49e28a1b6e13a0ad4004e750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b0a55faa66a58ce9e954333a57d9e5fb424a5db49e28a1b6e13a0ad4004e750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b0a55faa66a58ce9e954333a57d9e5fb424a5db49e28a1b6e13a0ad4004e750", kill_on_drop: false }`
[INFO] [stdout] 7b0a55faa66a58ce9e954333a57d9e5fb424a5db49e28a1b6e13a0ad4004e750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 4cabaf4a7ab88658a8d0292c2dc4546d82e3f2d441e3aeb86408bdb7978198f1
[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" "4cabaf4a7ab88658a8d0292c2dc4546d82e3f2d441e3aeb86408bdb7978198f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling num-traits v0.1.39
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]     Checking scopeguard v0.3.2
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking futures v0.1.14
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking fnv v1.0.5
[INFO] [stderr]     Checking num_cpus v1.5.1
[INFO] [stderr]     Checking shared_library v0.1.5
[INFO] [stderr]     Checking deflate v0.7.11
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]     Checking gif v0.9.2
[INFO] [stderr]     Checking pistoncore-input v0.18.0
[INFO] [stderr]     Checking arrayvec v0.3.23
[INFO] [stderr]    Compiling wayland-scanner v0.8.7
[INFO] [stderr]    Compiling gl_generator v0.5.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking tempfile v2.1.5
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking coco v0.1.1
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]     Checking rusttype v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking num-rational v0.1.38
[INFO] [stderr]     Checking pistoncore-window v0.27.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.32.0
[INFO] [stderr]     Checking piston v0.32.0
[INFO] [stderr]    Compiling wayland-client v0.8.7
[INFO] [stderr]    Compiling phf_generator v0.7.21
[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]    | |_________________________________^
[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]    | |_________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusttype`.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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" "4cabaf4a7ab88658a8d0292c2dc4546d82e3f2d441e3aeb86408bdb7978198f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cabaf4a7ab88658a8d0292c2dc4546d82e3f2d441e3aeb86408bdb7978198f1", kill_on_drop: false }`
[INFO] [stdout] 4cabaf4a7ab88658a8d0292c2dc4546d82e3f2d441e3aeb86408bdb7978198f1