[INFO] updating cached repository alexgnatrow/myserver-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexgnatrow/myserver-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexgnatrow/myserver-rs" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/alexgnatrow/myserver-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/alexgnatrow/myserver-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexgnatrow/myserver-rs" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/alexgnatrow/myserver-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/alexgnatrow/myserver-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b23229abc10bc55ad91583d443f4f09022a5ce4b
[INFO] sha for GitHub repo alexgnatrow/myserver-rs: b23229abc10bc55ad91583d443f4f09022a5ce4b
[INFO] validating manifest of alexgnatrow/myserver-rs on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alexgnatrow/myserver-rs on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alexgnatrow/myserver-rs
[INFO] finished frobbing alexgnatrow/myserver-rs
[INFO] frobbed toml for alexgnatrow/myserver-rs written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/alexgnatrow/myserver-rs/Cargo.toml
[INFO] started frobbing alexgnatrow/myserver-rs
[INFO] finished frobbing alexgnatrow/myserver-rs
[INFO] frobbed toml for alexgnatrow/myserver-rs written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/alexgnatrow/myserver-rs/Cargo.toml
[INFO] crate alexgnatrow/myserver-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking alexgnatrow/myserver-rs against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-6/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/alexgnatrow/myserver-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] af0662bada9e3370ee5d8887e82ce9f1a88e6914575d6cc29ae1481e60c57e9f
[INFO] running `"docker" "start" "-a" "af0662bada9e3370ee5d8887e82ce9f1a88e6914575d6cc29ae1481e60c57e9f"`
[INFO] [stderr]     Checking listenfd v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.87
[INFO] [stderr]     Checking uuid v0.7.2
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking trust-dns-proto v0.6.3
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.3
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]     Checking actix-web v0.7.18
[INFO] [stderr]     Checking server v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `env_logger`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use env_logger;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `draw_rectangle`
[INFO] [stderr]  --> src/router.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::controllers::{draw_rectangle, pythagorian_triplets, Triplet};
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `env_logger`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use env_logger;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `draw_rectangle`
[INFO] [stderr]  --> src/router.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::controllers::{draw_rectangle, pythagorian_triplets, Triplet};
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rect`
[INFO] [stderr]   --> src/controllers.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let rect = Rectangle { width, height };
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_rect`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/controllers.rs:74:25
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn fibonacci_number(n: i32) -> f64 {
[INFO] [stderr]    |                         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn favicon(req: &HttpRequest) -> Result<fs::NamedFile, Error> {
[INFO] [stderr]    |                ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn triplets(req: &HttpRequest) -> Result<HttpResponse, Error> {
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router.rs:72:18
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn calculate(req: &HttpRequest) -> Result<HttpResponse, Error> {
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn p404(req: &HttpRequest) -> Result<HttpResponse, Error> {
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rectangle`
[INFO] [stderr]  --> src/controllers.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Rectangle {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `area`
[INFO] [stderr]   --> src/controllers.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn area(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `can_hold`
[INFO] [stderr]   --> src/controllers.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn can_hold(&self, rect: &Rectangle) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_rectangle`
[INFO] [stderr]   --> src/controllers.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn draw_rectangle(width: &str, height: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fibonacci_number`
[INFO] [stderr]   --> src/controllers.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn fibonacci_number(n: i32) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `celsius_to_fahrenheit`
[INFO] [stderr]    --> src/controllers.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub fn celsius_to_fahrenheit(celsius: &str) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_christmas_lyrics`
[INFO] [stderr]    --> src/controllers.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | pub fn get_christmas_lyrics() -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PythagorianForm`
[INFO] [stderr]  --> src/router.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct PythagorianForm{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rect`
[INFO] [stderr]   --> src/controllers.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let rect = Rectangle { width, height };
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_rect`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/controllers.rs:74:25
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn fibonacci_number(n: i32) -> f64 {
[INFO] [stderr]    |                         ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router.rs:28:16
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn favicon(req: &HttpRequest) -> Result<fs::NamedFile, Error> {
[INFO] [stderr]    |                ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub fn triplets(req: &HttpRequest) -> Result<HttpResponse, Error> {
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router.rs:72:18
[INFO] [stderr]    |
[INFO] [stderr] 72 | pub fn calculate(req: &HttpRequest) -> Result<HttpResponse, Error> {
[INFO] [stderr]    |                  ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `req`
[INFO] [stderr]   --> src/router.rs:80:13
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub fn p404(req: &HttpRequest) -> Result<HttpResponse, Error> {
[INFO] [stderr]    |             ^^^ help: consider prefixing with an underscore: `_req`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rectangle`
[INFO] [stderr]  --> src/controllers.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Rectangle {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `area`
[INFO] [stderr]   --> src/controllers.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn area(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `can_hold`
[INFO] [stderr]   --> src/controllers.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn can_hold(&self, rect: &Rectangle) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `draw_rectangle`
[INFO] [stderr]   --> src/controllers.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn draw_rectangle(width: &str, height: &str) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fibonacci_number`
[INFO] [stderr]   --> src/controllers.rs:74:1
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub fn fibonacci_number(n: i32) -> f64 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `celsius_to_fahrenheit`
[INFO] [stderr]    --> src/controllers.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | pub fn celsius_to_fahrenheit(celsius: &str) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_christmas_lyrics`
[INFO] [stderr]    --> src/controllers.rs:139:1
[INFO] [stderr]     |
[INFO] [stderr] 139 | pub fn get_christmas_lyrics() -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PythagorianForm`
[INFO] [stderr]  --> src/router.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct PythagorianForm{
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.39s
[INFO] running `"docker" "inspect" "af0662bada9e3370ee5d8887e82ce9f1a88e6914575d6cc29ae1481e60c57e9f"`
[INFO] running `"docker" "rm" "-f" "af0662bada9e3370ee5d8887e82ce9f1a88e6914575d6cc29ae1481e60c57e9f"`
[INFO] [stdout] af0662bada9e3370ee5d8887e82ce9f1a88e6914575d6cc29ae1481e60c57e9f