[INFO] cloning repository https://github.com/lbdremy/rs-mvc-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lbdremy/rs-mvc-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbdremy%2Frs-mvc-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbdremy%2Frs-mvc-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c600f81651c3806822904ae8deb8ad68e6a91977
[INFO] documenting lbdremy/rs-mvc-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%2Flbdremy%2Frs-mvc-example" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lbdremy/rs-mvc-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/lbdremy/rs-mvc-example
[INFO] finished tweaking git repo https://github.com/lbdremy/rs-mvc-example
[INFO] tweaked toml for git repo https://github.com/lbdremy/rs-mvc-example written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/lbdremy/rs-mvc-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]     Updating git repository `https://github.com/iron/staticfile.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/urlencoded.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/iron/body-parser.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/logger.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/mount.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/router.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/staticfile.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/urlencoded.git`
[INFO] [stderr]     Updating git repository `https://github.com/iron/iron`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ca1a20e29695c3af7dee5097a5ad9651c4055daacc03cb4cebd4eb2c982bcf1c
[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" "ca1a20e29695c3af7dee5097a5ad9651c4055daacc03cb4cebd4eb2c982bcf1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca1a20e29695c3af7dee5097a5ad9651c4055daacc03cb4cebd4eb2c982bcf1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1a20e29695c3af7dee5097a5ad9651c4055daacc03cb4cebd4eb2c982bcf1c", kill_on_drop: false }`
[INFO] [stdout] ca1a20e29695c3af7dee5097a5ad9651c4055daacc03cb4cebd4eb2c982bcf1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e9de73adbad6f9fc2a82cc0dd665d9afe07957372a59b2d3cb3d84bfe70a88a9
[INFO] running `Command { std: "docker" "start" "-a" "e9de73adbad6f9fc2a82cc0dd665d9afe07957372a59b2d3cb3d84bfe70a88a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking mount v0.4.0
[INFO] [stderr]     Checking logger v0.4.0 (https://github.com/iron/logger.git#4df63964)
[INFO] [stderr]     Checking staticfile v0.5.0 (https://github.com/iron/staticfile.git#2bfc7fe5)
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking bodyparser v0.8.0 (https://github.com/iron/body-parser.git#49ae53cd)
[INFO] [stderr]     Checking urlencoded v0.6.0 (https://github.com/iron/urlencoded.git#0bed4479)
[INFO] [stderr]     Checking iron v0.6.0 (https://github.com/iron/iron?branch=master#e38695bf)
[INFO] [stderr]     Checking mount v0.4.0 (https://github.com/iron/mount.git#5dbbc881)
[INFO] [stderr]     Checking router v0.7.0-pre1 (https://github.com/iron/router.git#ec2c7890)
[INFO] [stderr]  Documenting mvc-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/app/controllers/user_controller.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Ok(Response::with((iron::status::Ok)))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/app/controllers/user_controller.rs:24:24
[INFO] [stdout]    |
[INFO] [stdout] 24 |         Ok(Response::with((iron::status::Ok)))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/app/controllers/user_controller.rs:27:24
[INFO] [stdout]    |
[INFO] [stdout] 27 |         Ok(Response::with((iron::status::Ok)))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/app/controllers/user_controller.rs:30:24
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Ok(Response::with((iron::status::Ok)))
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.55s
[INFO] running `Command { std: "docker" "inspect" "e9de73adbad6f9fc2a82cc0dd665d9afe07957372a59b2d3cb3d84bfe70a88a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9de73adbad6f9fc2a82cc0dd665d9afe07957372a59b2d3cb3d84bfe70a88a9", kill_on_drop: false }`
[INFO] [stdout] e9de73adbad6f9fc2a82cc0dd665d9afe07957372a59b2d3cb3d84bfe70a88a9