[INFO] cloning repository https://github.com/unrealrobin/rust-http-server-basic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unrealrobin/rust-http-server-basic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealrobin%2Frust-http-server-basic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealrobin%2Frust-http-server-basic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7bc0a41bdabf6472c3224014caecdddb7dda50b0
[INFO] checking unrealrobin/rust-http-server-basic against try#b4c55082edd8dec08ce8af276d7054d9c4db20c4 for pr-147984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funrealrobin%2Frust-http-server-basic" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/unrealrobin/rust-http-server-basic
[INFO] finished tweaking git repo https://github.com/unrealrobin/rust-http-server-basic
[INFO] tweaked toml for git repo https://github.com/unrealrobin/rust-http-server-basic written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/unrealrobin/rust-http-server-basic on toolchain b4c55082edd8dec08ce8af276d7054d9c4db20c4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/unrealrobin/rust-http-server-basic 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" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a425e3b8980744d6e2b307cbf259f20988bea10b820d6b8427c7c7087347c8b
[INFO] running `Command { std: "docker" "start" "-a" "1a425e3b8980744d6e2b307cbf259f20988bea10b820d6b8427c7c7087347c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a425e3b8980744d6e2b307cbf259f20988bea10b820d6b8427c7c7087347c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a425e3b8980744d6e2b307cbf259f20988bea10b820d6b8427c7c7087347c8b", kill_on_drop: false }`
[INFO] [stdout] 1a425e3b8980744d6e2b307cbf259f20988bea10b820d6b8427c7c7087347c8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b4c55082edd8dec08ce8af276d7054d9c4db20c4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13cec1490f430226fccf570571bc2e62bfd6c92599adad6466a6dc9db2f48a5c
[INFO] running `Command { std: "docker" "start" "-a" "13cec1490f430226fccf570571bc2e62bfd6c92599adad6466a6dc9db2f48a5c", kill_on_drop: false }`
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `http::Method`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use http::Method;
[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 import: `http::Method`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use http::Method;
[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 import: `http::Request`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `request::ParseError`
[INFO] [stdout]  --> src/http/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use request::ParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `request::ParseError`
[INFO] [stdout]  --> src/http/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use request::ParseError;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value as QueryString_Value`
[INFO] [stdout]  --> src/http/mod.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use query_string::{QueryString, Value as QueryString_Value};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `response::Response`
[INFO] [stdout]  --> src/http/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use response::Response;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value as QueryString_Value`
[INFO] [stdout]  --> src/http/mod.rs:4:37
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use query_string::{QueryString, Value as QueryString_Value};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `response::Response`
[INFO] [stdout]  --> src/http/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use response::Response;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `request`
[INFO] [stdout]  --> src/server.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::http::{Request, request};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `request`
[INFO] [stdout]  --> src/server.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::http::{Request, request};
[INFO] [stdout]   |                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/http/request.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn from_byte_array(buf: &[u8]) -> Result<Self, String> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/http/request.rs:17:24
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn from_byte_array(buf: &[u8]) -> Result<Self, String> {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[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:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     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] 26 |     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/query_string.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     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] 26 |     pub fn get(&self, key: &str) -> Option<&Value<'_>> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "13cec1490f430226fccf570571bc2e62bfd6c92599adad6466a6dc9db2f48a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cec1490f430226fccf570571bc2e62bfd6c92599adad6466a6dc9db2f48a5c", kill_on_drop: false }`
[INFO] [stdout] 13cec1490f430226fccf570571bc2e62bfd6c92599adad6466a6dc9db2f48a5c