[INFO] cloning repository https://github.com/vringar/sprenkler_web_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vringar/sprenkler_web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvringar%2Fsprenkler_web_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvringar%2Fsprenkler_web_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95a731e10d4f2447cce04676e26681c783456df2
[INFO] building vringar/sprenkler_web_server against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvringar%2Fsprenkler_web_server" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vringar/sprenkler_web_server
[INFO] finished tweaking git repo https://github.com/vringar/sprenkler_web_server
[INFO] tweaked toml for git repo https://github.com/vringar/sprenkler_web_server written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vringar/sprenkler_web_server on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vringar/sprenkler_web_server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sharded-slab v0.1.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.26
[INFO] [stderr]   Downloaded tracing-attributes v0.1.15
[INFO] [stderr]   Downloaded listenfd v0.3.5
[INFO] [stderr]   Downloaded socket2 v0.4.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.66
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.20
[INFO] [stderr]   Downloaded js-sys v0.3.53
[INFO] [stderr]   Downloaded handlebars v4.1.2
[INFO] [stderr]   Downloaded hyper v0.14.12
[INFO] [stderr]   Downloaded web-sys v0.3.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68e7da13666e0ea972738eb4aed7c9488ff9c436b896f75fbc5ead8ed2f1cd0c
[INFO] running `Command { std: "docker" "start" "-a" "68e7da13666e0ea972738eb4aed7c9488ff9c436b896f75fbc5ead8ed2f1cd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e7da13666e0ea972738eb4aed7c9488ff9c436b896f75fbc5ead8ed2f1cd0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e7da13666e0ea972738eb4aed7c9488ff9c436b896f75fbc5ead8ed2f1cd0c", kill_on_drop: false }`
[INFO] [stdout] 68e7da13666e0ea972738eb4aed7c9488ff9c436b896f75fbc5ead8ed2f1cd0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a86d11dc1a8974b0c26fc2d6bc7e68b7694ce270fb601852c587bfbb2a3ea748
[INFO] running `Command { std: "docker" "start" "-a" "a86d11dc1a8974b0c26fc2d6bc7e68b7694ce270fb601852c587bfbb2a3ea748", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
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[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling ryu v1.0.5
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[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.67
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[INFO] [stderr]    Compiling openssl v0.10.36
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[INFO] [stderr]    Compiling base64 v0.13.0
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[INFO] [stderr]    Compiling parking_lot_core v0.8.5
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[INFO] [stderr]    Compiling parking_lot v0.11.2
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[INFO] [stderr]    Compiling rand v0.8.4
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[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling idna v0.2.3
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[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling sharded-slab v0.1.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling ipnet v2.3.1
[INFO] [stderr]    Compiling listenfd v0.3.5
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling headers v0.3.4
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-stream v0.1.7
[INFO] [stderr]    Compiling h2 v0.3.4
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling handlebars v4.1.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling hyper v0.14.12
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling warp v0.3.1
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/paths.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     hb: Arc<Handlebars>,
[INFO] [stdout]    |             ^^^^^^^^^^ the lifetime is hidden here
[INFO] [stdout] 18 |     config: ServerConfig,
[INFO] [stdout] 19 | ) -> impl Filter<Extract = (impl warp::Reply,), Error = Rejection> + Clone + '_ {
[INFO] [stdout]    |                                                                              ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     hb: Arc<Handlebars<'_>>,
[INFO] [stdout]    |                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/paths.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         hb: Arc<Handlebars>,
[INFO] [stdout]    |                 ^^^^^^^^^^ the lifetime is hidden here
[INFO] [stdout] 69 |     ) -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone + '_ {
[INFO] [stdout]    |                                                                                     ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         hb: Arc<Handlebars<'_>>,
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/paths.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |         hb: Arc<Handlebars>,
[INFO] [stdout]    |                 ^^^^^^^^^^ the lifetime is hidden here
[INFO] [stdout] 92 |     ) -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone + '_ {
[INFO] [stdout]    |                                                                                     ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 91 |         hb: Arc<Handlebars<'_>>,
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/datamodel.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn iter(&self) -> Iter<Valve> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn iter(&self) -> Iter<'_, Valve> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/datamodel.rs:225:21
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn iter_mut(&mut self) -> IterMut<Valve> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn iter_mut(&mut self) -> IterMut<'_, Valve> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "a86d11dc1a8974b0c26fc2d6bc7e68b7694ce270fb601852c587bfbb2a3ea748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a86d11dc1a8974b0c26fc2d6bc7e68b7694ce270fb601852c587bfbb2a3ea748", kill_on_drop: false }`
[INFO] [stdout] a86d11dc1a8974b0c26fc2d6bc7e68b7694ce270fb601852c587bfbb2a3ea748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb7bfefbf05ed01eeb7c9597a5f3845b36157638643c9cbf477413883b74d6a1
[INFO] running `Command { std: "docker" "start" "-a" "fb7bfefbf05ed01eeb7c9597a5f3845b36157638643c9cbf477413883b74d6a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling web_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/paths.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     hb: Arc<Handlebars>,
[INFO] [stdout]    |             ^^^^^^^^^^ the lifetime is hidden here
[INFO] [stdout] 18 |     config: ServerConfig,
[INFO] [stdout] 19 | ) -> impl Filter<Extract = (impl warp::Reply,), Error = Rejection> + Clone + '_ {
[INFO] [stdout]    |                                                                              ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 17 |     hb: Arc<Handlebars<'_>>,
[INFO] [stdout]    |                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/paths.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         hb: Arc<Handlebars>,
[INFO] [stdout]    |                 ^^^^^^^^^^ the lifetime is hidden here
[INFO] [stdout] 69 |     ) -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone + '_ {
[INFO] [stdout]    |                                                                                     ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 68 |         hb: Arc<Handlebars<'_>>,
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/paths.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |         hb: Arc<Handlebars>,
[INFO] [stdout]    |                 ^^^^^^^^^^ the lifetime is hidden here
[INFO] [stdout] 92 |     ) -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone + '_ {
[INFO] [stdout]    |                                                                                     ^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 91 |         hb: Arc<Handlebars<'_>>,
[INFO] [stdout]    |                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/datamodel.rs:221:17
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn iter(&self) -> Iter<Valve> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 221 |     pub fn iter(&self) -> Iter<'_, Valve> {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/datamodel.rs:225:21
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn iter_mut(&mut self) -> IterMut<Valve> {
[INFO] [stdout]     |                     ^^^^^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn iter_mut(&mut self) -> IterMut<'_, Valve> {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "fb7bfefbf05ed01eeb7c9597a5f3845b36157638643c9cbf477413883b74d6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb7bfefbf05ed01eeb7c9597a5f3845b36157638643c9cbf477413883b74d6a1", kill_on_drop: false }`
[INFO] [stdout] fb7bfefbf05ed01eeb7c9597a5f3845b36157638643c9cbf477413883b74d6a1
