[INFO] updating cached repository ErikBZ/private-island
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ErikBZ/private-island
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ErikBZ/private-island" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ErikBZ/private-island"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ErikBZ/private-island'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ErikBZ/private-island" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ErikBZ/private-island"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ErikBZ/private-island'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34c3f08f01b71015af60335d3e7444495be667d6
[INFO] sha for GitHub repo ErikBZ/private-island: 34c3f08f01b71015af60335d3e7444495be667d6
[INFO] validating manifest of ErikBZ/private-island on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ErikBZ/private-island on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ErikBZ/private-island
[INFO] finished frobbing ErikBZ/private-island
[INFO] frobbed toml for ErikBZ/private-island written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ErikBZ/private-island/Cargo.toml
[INFO] started frobbing ErikBZ/private-island
[INFO] finished frobbing ErikBZ/private-island
[INFO] frobbed toml for ErikBZ/private-island written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ErikBZ/private-island/Cargo.toml
[INFO] crate ErikBZ/private-island already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ErikBZ/private-island against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ErikBZ/private-island:/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b8e0fd98296b9403fd4b1a8166a1f3483a4c423a4aef7af5a2b679f01c6f14f4
[INFO] running `"docker" "start" "-a" "b8e0fd98296b9403fd4b1a8166a1f3483a4c423a4aef7af5a2b679f01c6f14f4"`
[INFO] [stderr]     Checking socket2 v0.2.4
[INFO] [stderr]     Checking private-island v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `TcpListener`, `TcpStream`
[INFO] [stderr]  --> src/main.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/server.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]   --> src/server.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::path::{Path, PathBuf};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clap`
[INFO] [stderr]   --> src/server.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use clap;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TcpListener`, `TcpStream`
[INFO] [stderr]  --> src/main.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpListener, TcpStream};
[INFO] [stderr]   |                ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:9:22
[INFO] [stderr]   |
[INFO] [stderr] 9 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/server.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]   --> src/server.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::path::{Path, PathBuf};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clap`
[INFO] [stderr]   --> src/server.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use clap;
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         Err(e) => panic!("Input cannot be parsed to unsinged 16 bit number"),
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cfg`
[INFO] [stderr]    --> src/server.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let cfg = &self.config.logging;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_cfg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/server.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |             p => {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         Err(e) => panic!("Input cannot be parsed to unsinged 16 bit number"),
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cfg`
[INFO] [stderr]    --> src/server.rs:177:13
[INFO] [stderr]     |
[INFO] [stderr] 177 |         let cfg = &self.config.logging;
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_cfg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/server.rs:213:13
[INFO] [stderr]     |
[INFO] [stderr] 213 |             p => {
[INFO] [stderr]     |             ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/http.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut content_type = match self{
[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: variant is never constructed: `PathOutOfBounds`
[INFO] [stderr]   --> src/server.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     PathOutOfBounds,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LoggingLevel`
[INFO] [stderr]   --> src/server.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | enum LoggingLevel{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create_new_server`
[INFO] [stderr]   --> src/server.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn create_new_server() -> Server{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_file`
[INFO] [stderr]    --> src/server.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | pub fn load_file(path: &str) -> Result<String, FileLoadError>{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plaintext`
[INFO] [stderr]  --> src/http.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Plaintext,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/server.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/http.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |         let mut content_type = match self{
[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: variant is never constructed: `PathOutOfBounds`
[INFO] [stderr]   --> src/server.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     PathOutOfBounds,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `LoggingLevel`
[INFO] [stderr]   --> src/server.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | enum LoggingLevel{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `create_new_server`
[INFO] [stderr]   --> src/server.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn create_new_server() -> Server{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load_file`
[INFO] [stderr]    --> src/server.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | pub fn load_file(path: &str) -> Result<String, FileLoadError>{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Plaintext`
[INFO] [stderr]  --> src/http.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Plaintext,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/server.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_attributes)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `"docker" "inspect" "b8e0fd98296b9403fd4b1a8166a1f3483a4c423a4aef7af5a2b679f01c6f14f4"`
[INFO] running `"docker" "rm" "-f" "b8e0fd98296b9403fd4b1a8166a1f3483a4c423a4aef7af5a2b679f01c6f14f4"`
[INFO] [stdout] b8e0fd98296b9403fd4b1a8166a1f3483a4c423a4aef7af5a2b679f01c6f14f4