[INFO] cloning repository https://github.com/devnandito/simple-http
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devnandito/simple-http" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevnandito%2Fsimple-http", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevnandito%2Fsimple-http'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53060bb52307fbaef4318f3ab3ae181efadb2bab
[INFO] checking devnandito/simple-http against master#092a284ba0421695f2032c947765429fd7095796 for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevnandito%2Fsimple-http" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devnandito/simple-http on toolchain 092a284ba0421695f2032c947765429fd7095796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/devnandito/simple-http
[INFO] finished tweaking git repo https://github.com/devnandito/simple-http
[INFO] tweaked toml for git repo https://github.com/devnandito/simple-http written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/devnandito/simple-http 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" "+092a284ba0421695f2032c947765429fd7095796" "fetch" "--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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9eedb38ef177dfa1b73581805b4713449e7ad7ac4dc9a54ad39f9ff426ddbd6
[INFO] running `Command { std: "docker" "start" "-a" "f9eedb38ef177dfa1b73581805b4713449e7ad7ac4dc9a54ad39f9ff426ddbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9eedb38ef177dfa1b73581805b4713449e7ad7ac4dc9a54ad39f9ff426ddbd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9eedb38ef177dfa1b73581805b4713449e7ad7ac4dc9a54ad39f9ff426ddbd6", kill_on_drop: false }`
[INFO] [stdout] f9eedb38ef177dfa1b73581805b4713449e7ad7ac4dc9a54ad39f9ff426ddbd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+092a284ba0421695f2032c947765429fd7095796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd33afba7d8fedd875958014f575820295080e4190edd1e9dbc68f34cfcfa2bc
[INFO] running `Command { std: "docker" "start" "-a" "dd33afba7d8fedd875958014f575820295080e4190edd1e9dbc68f34cfcfa2bc", kill_on_drop: false }`
[INFO] [stderr]     Checking simple-http v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::btree_set::Difference`
[INFO] [stdout]  --> src/http/response.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::btree_set::Difference;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/http/response.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::btree_set::Difference`
[INFO] [stdout]  --> src/http/response.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::btree_set::Difference;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/http/response.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/http/response.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let mut begin_html = r#"
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/http/response.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut header =format!("<h1>Currently in {}</h1>", server_root_path.to_string_lossy());
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/http/response.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let mut end_html = r#"
[INFO] [stdout]    |                     ----^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method`, `version`, and `headers` are never read
[INFO] [stdout]   --> src/http/request.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct HttpRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 7  |     method: Method,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 8  |     pub resource: Resource,
[INFO] [stdout] 9  |     version: Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     headers: HttpHeader,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version`, `status`, `content_length`, and `accept_ranges` are never read
[INFO] [stdout]   --> src/http/response.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct HttpResponse {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 11 |     version: Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     status: ResponseStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     content_length: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     accept_ranges: AcceptRanges,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/http/response.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 let mut begin_html = r#"
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/http/response.rs:56:21
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 let mut header =format!("<h1>Currently in {}</h1>", server_root_path.to_string_lossy());
[INFO] [stdout]    |                     ----^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/http/response.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 let mut end_html = r#"
[INFO] [stdout]    |                     ----^^^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `method`, `version`, and `headers` are never read
[INFO] [stdout]   --> src/http/request.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub struct HttpRequest {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 7  |     method: Method,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 8  |     pub resource: Resource,
[INFO] [stdout] 9  |     version: Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     headers: HttpHeader,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpRequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `version`, `status`, `content_length`, and `accept_ranges` are never read
[INFO] [stdout]   --> src/http/response.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct HttpResponse {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 11 |     version: Version,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 12 |     status: ResponseStatus,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     content_length: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 14 |     accept_ranges: AcceptRanges,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HttpResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> src/main.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fmt::format, io::{self, Read, Write}, net::{Ipv4Addr, SocketAddr, TcpListener, TcpStream}
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> src/main.rs:2:3
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fmt::format, io::{self, Read, Write}, net::{Ipv4Addr, SocketAddr, TcpListener, TcpStream}
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "dd33afba7d8fedd875958014f575820295080e4190edd1e9dbc68f34cfcfa2bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd33afba7d8fedd875958014f575820295080e4190edd1e9dbc68f34cfcfa2bc", kill_on_drop: false }`
[INFO] [stdout] dd33afba7d8fedd875958014f575820295080e4190edd1e9dbc68f34cfcfa2bc