[INFO] cloning repository https://github.com/marshacb/simple_rust_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/marshacb/simple_rust_web_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshacb%2Fsimple_rust_web_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshacb%2Fsimple_rust_web_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4bb50f5657a6691234ec9227285380a9089f3d3
[INFO] checking marshacb/simple_rust_web_server against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarshacb%2Fsimple_rust_web_server" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marshacb/simple_rust_web_server
[INFO] finished tweaking git repo https://github.com/marshacb/simple_rust_web_server
[INFO] tweaked toml for git repo https://github.com/marshacb/simple_rust_web_server written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marshacb/simple_rust_web_server on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/marshacb/simple_rust_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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35b71669c85b8a6554d08c83936c3034cd36fc7a310a7a492a0d903365c32dd2
[INFO] running `Command { std: "docker" "start" "-a" "35b71669c85b8a6554d08c83936c3034cd36fc7a310a7a492a0d903365c32dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35b71669c85b8a6554d08c83936c3034cd36fc7a310a7a492a0d903365c32dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35b71669c85b8a6554d08c83936c3034cd36fc7a310a7a492a0d903365c32dd2", kill_on_drop: false }`
[INFO] [stdout] 35b71669c85b8a6554d08c83936c3034cd36fc7a310a7a492a0d903365c32dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b20eae6a11f5b8da0522cc8a2a43eb2a860ee764ff9ff0329702fe87f773c01
[INFO] running `Command { std: "docker" "start" "-a" "1b20eae6a11f5b8da0522cc8a2a43eb2a860ee764ff9ff0329702fe87f773c01", kill_on_drop: false }`
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use query_string::{QueryString, Value as QueryStringValue};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, and `Result as FmtResult`
[INFO] [stdout]  --> src/http/response.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter, Result as FmtResult};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/http/response.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use query_string::{QueryString, Value as QueryStringValue};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, and `Result as FmtResult`
[INFO] [stdout]  --> src/http/response.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Formatter, Result as FmtResult};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/http/response.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/server.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/server.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let res = listener.accept();
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/query_string.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |              ^^^^^                       ^^^^^^
[INFO] [stdout]    |              |                           ||
[INFO] [stdout]    |              |                           |the same lifetime is hidden here
[INFO] [stdout]    |              |                           the same lifetime is elided here
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn get(&self, key: &str) -> Option<&Value<'_>> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/request.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |                       ^^^^^            ^^^^^^^^^^^^
[INFO] [stdout]    |                       |                ||
[INFO] [stdout]    |                       |                |the same lifetime is hidden here
[INFO] [stdout]    |                       |                the same lifetime is elided here
[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] 25 |   pub fn query_string(&self) -> Option<&QueryString<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/server.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let res = listener.accept();
[INFO] [stdout]    |           ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/query_string.rs:15:14
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |              ^^^^^                       ^^^^^^
[INFO] [stdout]    |              |                           ||
[INFO] [stdout]    |              |                           |the same lifetime is hidden here
[INFO] [stdout]    |              |                           the same lifetime is elided here
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn get(&self, key: &str) -> Option<&Value<'_>> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/request.rs:25:23
[INFO] [stdout]    |
[INFO] [stdout] 25 |   pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |                       ^^^^^            ^^^^^^^^^^^^
[INFO] [stdout]    |                       |                ||
[INFO] [stdout]    |                       |                |the same lifetime is hidden here
[INFO] [stdout]    |                       |                the same lifetime is elided here
[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] 25 |   pub fn query_string(&self) -> Option<&QueryString<'_>> {
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "1b20eae6a11f5b8da0522cc8a2a43eb2a860ee764ff9ff0329702fe87f773c01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b20eae6a11f5b8da0522cc8a2a43eb2a860ee764ff9ff0329702fe87f773c01", kill_on_drop: false }`
[INFO] [stdout] 1b20eae6a11f5b8da0522cc8a2a43eb2a860ee764ff9ff0329702fe87f773c01
