[INFO] updating cached repository https://github.com/zprobst/oxidize
[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] 2ac7c7b9c7fc1fbfeddfc5282e321be551ed06df
[INFO] testing zprobst/oxidize against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzprobst%2Foxidize" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zprobst/oxidize on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zprobst/oxidize
[INFO] finished tweaking git repo https://github.com/zprobst/oxidize
[INFO] tweaked toml for git repo https://github.com/zprobst/oxidize written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/zprobst/oxidize already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49cc8fbbaa86094c63710c87fd9a349429d2ee893ba04d4c08a026a83fc04d48
[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" "49cc8fbbaa86094c63710c87fd9a349429d2ee893ba04d4c08a026a83fc04d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49cc8fbbaa86094c63710c87fd9a349429d2ee893ba04d4c08a026a83fc04d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49cc8fbbaa86094c63710c87fd9a349429d2ee893ba04d4c08a026a83fc04d48", kill_on_drop: false }`
[INFO] [stdout] 49cc8fbbaa86094c63710c87fd9a349429d2ee893ba04d4c08a026a83fc04d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85b6c62016eec9ed4caf306624b42e0338b430ba861fadcde9470f5251136d2c
[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" "85b6c62016eec9ed4caf306624b42e0338b430ba861fadcde9470f5251136d2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling bstr v0.2.12
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.2.1
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling ignore v0.4.14
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling chrono-tz v0.5.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling globwalk v0.8.0
[INFO] [stderr]    Compiling tera v1.2.0
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/views.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         request: &Request,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/views.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         params: &HashMap<String, Option<String>>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/template_render.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut context = Context::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Request`
[INFO] [stdout]   --> src/routing.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Response`
[INFO] [stdout]   --> src/routing.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Response {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/routing.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new() -> Response {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Route`
[INFO] [stdout]   --> src/routing.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Route {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/routing.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn new(pattern: &str, view: &str, methods: Option<Vec<&str>>) -> Route {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save_pattern_matches`
[INFO] [stdout]    --> src/routing.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn save_pattern_matches(&mut self, captures: Captures<'_>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `applies_to_request`
[INFO] [stdout]    --> src/routing.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn applies_to_request(&mut self, request: &Request) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_response`
[INFO] [stdout]    --> src/routing.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn to_response(&self, request: &Request) -> Response {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TemplateRenderer`
[INFO] [stdout]  --> src/template_render.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TemplateRenderer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/template_render.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(glob: &str) -> Result<TemplateRenderer, ()> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reload`
[INFO] [stdout]   --> src/template_render.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn reload(&mut self) -> Result<(), ()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render`
[INFO] [stdout]   --> src/template_render.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn render(&self, template_name: &str) -> Result<String, ()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `View`
[INFO] [stdout]  --> src/views.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct View<'a> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/views.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(py_path: &'a str) -> View<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_response`
[INFO] [stdout]   --> src/views.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_response(
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "85b6c62016eec9ed4caf306624b42e0338b430ba861fadcde9470f5251136d2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85b6c62016eec9ed4caf306624b42e0338b430ba861fadcde9470f5251136d2c", kill_on_drop: false }`
[INFO] [stdout] 85b6c62016eec9ed4caf306624b42e0338b430ba861fadcde9470f5251136d2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 174970ef5d8a65f407d6e329970557153aa4816e28f228448e979e34cb7209d4
[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" "174970ef5d8a65f407d6e329970557153aa4816e28f228448e979e34cb7209d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/views.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         request: &Request,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/views.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         params: &HashMap<String, Option<String>>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/template_render.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut context = Context::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Request`
[INFO] [stdout]   --> src/routing.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Response`
[INFO] [stdout]   --> src/routing.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Response {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/routing.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new() -> Response {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Route`
[INFO] [stdout]   --> src/routing.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Route {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/routing.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn new(pattern: &str, view: &str, methods: Option<Vec<&str>>) -> Route {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save_pattern_matches`
[INFO] [stdout]    --> src/routing.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn save_pattern_matches(&mut self, captures: Captures<'_>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `applies_to_request`
[INFO] [stdout]    --> src/routing.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn applies_to_request(&mut self, request: &Request) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_response`
[INFO] [stdout]    --> src/routing.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn to_response(&self, request: &Request) -> Response {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TemplateRenderer`
[INFO] [stdout]  --> src/template_render.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TemplateRenderer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/template_render.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(glob: &str) -> Result<TemplateRenderer, ()> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reload`
[INFO] [stdout]   --> src/template_render.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn reload(&mut self) -> Result<(), ()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render`
[INFO] [stdout]   --> src/template_render.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn render(&self, template_name: &str) -> Result<String, ()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `View`
[INFO] [stdout]  --> src/views.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct View<'a> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/views.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(py_path: &'a str) -> View<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_response`
[INFO] [stdout]   --> src/views.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_response(
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/views.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         request: &Request,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]   --> src/views.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         params: &HashMap<String, Option<String>>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/template_render.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let mut context = Context::new();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Request`
[INFO] [stdout]   --> src/routing.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Request {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Response`
[INFO] [stdout]   --> src/routing.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Response {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/routing.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new() -> Response {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Route`
[INFO] [stdout]   --> src/routing.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct Route {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/routing.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn new(pattern: &str, view: &str, methods: Option<Vec<&str>>) -> Route {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save_pattern_matches`
[INFO] [stdout]    --> src/routing.rs:168:8
[INFO] [stdout]     |
[INFO] [stdout] 168 |     fn save_pattern_matches(&mut self, captures: Captures<'_>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `applies_to_request`
[INFO] [stdout]    --> src/routing.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn applies_to_request(&mut self, request: &Request) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_response`
[INFO] [stdout]    --> src/routing.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn to_response(&self, request: &Request) -> Response {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `TemplateRenderer`
[INFO] [stdout]  --> src/template_render.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TemplateRenderer {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/template_render.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(glob: &str) -> Result<TemplateRenderer, ()> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reload`
[INFO] [stdout]   --> src/template_render.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn reload(&mut self) -> Result<(), ()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `render`
[INFO] [stdout]   --> src/template_render.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn render(&self, template_name: &str) -> Result<String, ()> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `View`
[INFO] [stdout]  --> src/views.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct View<'a> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/views.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new(py_path: &'a str) -> View<'a> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_response`
[INFO] [stdout]   --> src/views.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn get_response(
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "174970ef5d8a65f407d6e329970557153aa4816e28f228448e979e34cb7209d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174970ef5d8a65f407d6e329970557153aa4816e28f228448e979e34cb7209d4", kill_on_drop: false }`
[INFO] [stdout] 174970ef5d8a65f407d6e329970557153aa4816e28f228448e979e34cb7209d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTFLAGS=--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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79a78a9df976d4b328a306d0b6e0c4cd7e301c30d28a4d2c8b993159aaf6387d
[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" "79a78a9df976d4b328a306d0b6e0c4cd7e301c30d28a4d2c8b993159aaf6387d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/views.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         request: &Request,
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/views.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         params: &HashMap<String, Option<String>>,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/template_render.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut context = Context::new();
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Request`
[INFO] [stderr]   --> src/routing.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Request {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Response`
[INFO] [stderr]   --> src/routing.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Response {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/routing.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new() -> Response {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Route`
[INFO] [stderr]   --> src/routing.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct Route {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/routing.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn new(pattern: &str, view: &str, methods: Option<Vec<&str>>) -> Route {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `save_pattern_matches`
[INFO] [stderr]    --> src/routing.rs:168:8
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn save_pattern_matches(&mut self, captures: Captures<'_>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `applies_to_request`
[INFO] [stderr]    --> src/routing.rs:183:12
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn applies_to_request(&mut self, request: &Request) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_response`
[INFO] [stderr]    --> src/routing.rs:205:12
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn to_response(&self, request: &Request) -> Response {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TemplateRenderer`
[INFO] [stderr]  --> src/template_render.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct TemplateRenderer {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/template_render.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(glob: &str) -> Result<TemplateRenderer, ()> {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reload`
[INFO] [stderr]   --> src/template_render.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn reload(&mut self) -> Result<(), ()> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `render`
[INFO] [stderr]   --> src/template_render.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn render(&self, template_name: &str) -> Result<String, ()> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `View`
[INFO] [stderr]  --> src/views.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct View<'a> {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/views.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(py_path: &'a str) -> View<'a> {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_response`
[INFO] [stderr]   --> src/views.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn get_response(
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request`
[INFO] [stderr]   --> src/views.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         request: &Request,
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]   --> src/views.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |         params: &HashMap<String, Option<String>>,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/template_render.rs:25:13
[INFO] [stderr]    |
[INFO] [stderr] 25 |         let mut context = Context::new();
[INFO] [stderr]    |             ----^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Request`
[INFO] [stderr]   --> src/routing.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Request {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Response`
[INFO] [stderr]   --> src/routing.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub struct Response {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/routing.rs:48:12
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new() -> Response {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Route`
[INFO] [stderr]   --> src/routing.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 | pub struct Route {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/routing.rs:124:12
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub fn new(pattern: &str, view: &str, methods: Option<Vec<&str>>) -> Route {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `save_pattern_matches`
[INFO] [stderr]    --> src/routing.rs:168:8
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn save_pattern_matches(&mut self, captures: Captures<'_>) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `applies_to_request`
[INFO] [stderr]    --> src/routing.rs:183:12
[INFO] [stderr]     |
[INFO] [stderr] 183 |     pub fn applies_to_request(&mut self, request: &Request) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_response`
[INFO] [stderr]    --> src/routing.rs:205:12
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn to_response(&self, request: &Request) -> Response {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `TemplateRenderer`
[INFO] [stderr]  --> src/template_render.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct TemplateRenderer {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/template_render.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(glob: &str) -> Result<TemplateRenderer, ()> {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reload`
[INFO] [stderr]   --> src/template_render.rs:19:12
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn reload(&mut self) -> Result<(), ()> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `render`
[INFO] [stderr]   --> src/template_render.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn render(&self, template_name: &str) -> Result<String, ()> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `View`
[INFO] [stderr]  --> src/views.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct View<'a> {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/views.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(py_path: &'a str) -> View<'a> {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_response`
[INFO] [stderr]   --> src/views.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn get_response(
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learning_rust-0f064843da56a6b4
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learning-rust
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79a78a9df976d4b328a306d0b6e0c4cd7e301c30d28a4d2c8b993159aaf6387d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a78a9df976d4b328a306d0b6e0c4cd7e301c30d28a4d2c8b993159aaf6387d", kill_on_drop: false }`
[INFO] [stdout] 79a78a9df976d4b328a306d0b6e0c4cd7e301c30d28a4d2c8b993159aaf6387d