[INFO] updating cached repository https://github.com/alexgnatrow/myserver-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29e3c21851a7d179104b03c191c41c2787a7c0de
[INFO] documenting alexgnatrow/myserver-rs against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexgnatrow%2Fmyserver-rs" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexgnatrow/myserver-rs on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexgnatrow/myserver-rs
[INFO] finished tweaking git repo https://github.com/alexgnatrow/myserver-rs
[INFO] tweaked toml for git repo https://github.com/alexgnatrow/myserver-rs written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/alexgnatrow/myserver-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] f3005179dee1006f20379464222a90e8255681f67e34e1c8b15ffa73d2495eae
[INFO] running `Command { std: "docker" "start" "-a" "f3005179dee1006f20379464222a90e8255681f67e34e1c8b15ffa73d2495eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3005179dee1006f20379464222a90e8255681f67e34e1c8b15ffa73d2495eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3005179dee1006f20379464222a90e8255681f67e34e1c8b15ffa73d2495eae", kill_on_drop: false }`
[INFO] [stdout] f3005179dee1006f20379464222a90e8255681f67e34e1c8b15ffa73d2495eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96bdb51932fb14efd6ca18198a80da8d1e51b148910329995f077874c47d51ad
[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" "96bdb51932fb14efd6ca18198a80da8d1e51b148910329995f077874c47d51ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking hashbrown v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]     Checking copyless v0.1.2
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling my_rust_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking rand_jitter v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking actix-service v0.4.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]     Checking listenfd v0.3.3
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking twoway v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking idna v0.1.5
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[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.0
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[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking actix-codec v0.1.2
[INFO] [stderr]     Checking actix-utils v0.4.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-reactor v0.1.8
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking dotenv v0.9.0
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking actix-server-config v0.1.1
[INFO] [stderr]     Checking h2 v0.1.16
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]    Compiling derive_more v0.14.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling v_escape_derive v0.5.3
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]     Checking trust-dns-proto v0.7.3
[INFO] [stderr]    Compiling v_htmlescape v0.4.3
[INFO] [stderr]     Checking actix-threadpool v0.1.1
[INFO] [stderr]     Checking actix-rt v0.2.2
[INFO] [stderr]     Checking actix-server v0.5.1
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking diesel v1.4.2
[INFO] [stderr]     Checking actix-connect v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.3
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking awc v0.2.0
[INFO] [stderr]     Checking actix-web v1.0.0
[INFO] [stderr]     Checking actix-multipart v0.1.0
[INFO] [stderr]     Checking actix-files v0.1.0-beta.4
[INFO] [stderr]  Documenting my_rust_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: type ascription is experimental
[INFO] [stdout]    --> src/router.rs:145:21
[INFO] [stdout]     |
[INFO] [stdout] 145 |     render_with_ctx(template: &str, ctx: Context, t: Data<Tera>)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #23416 <https://github.com/rust-lang/rust/issues/23416> for more information
[INFO] [stdout]     = help: add `#![feature(type_ascription)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `my_rust_server`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name my_rust_server src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern actix_files=/opt/rustwide/target/debug/deps/libactix_files-29c953f9921f3fa1.rmeta --extern actix_multipart=/opt/rustwide/target/debug/deps/libactix_multipart-8a3f7e12b4fafc23.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-7d978ec62a03c0b9.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-6844d3f033298372.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-5c9b90ad2073eb9a.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-7eb4124be230e0d6.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-4100d86b41520b5b.rmeta --extern listenfd=/opt/rustwide/target/debug/deps/liblistenfd-13e7a775e1057f6c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-185902717ead0e68.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9360c637f7066f55.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-02d805932c7ddadf.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-b3806395466d9627.rmeta --extern tera=/opt/rustwide/target/debug/deps/libtera-843c6e24e08ebbf8.rmeta --cap-lints=forbid` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "96bdb51932fb14efd6ca18198a80da8d1e51b148910329995f077874c47d51ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96bdb51932fb14efd6ca18198a80da8d1e51b148910329995f077874c47d51ad", kill_on_drop: false }`
[INFO] [stdout] 96bdb51932fb14efd6ca18198a80da8d1e51b148910329995f077874c47d51ad