[INFO] cloning repository https://github.com/LordCheta/rs-http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LordCheta/rs-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordCheta%2Frs-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordCheta%2Frs-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2da4e99fa1bec66fbfd45087b739ac9534b305d
[INFO] checking LordCheta/rs-http-server against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLordCheta%2Frs-http-server" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LordCheta/rs-http-server
[INFO] finished tweaking git repo https://github.com/LordCheta/rs-http-server
[INFO] tweaked toml for git repo https://github.com/LordCheta/rs-http-server written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LordCheta/rs-http-server on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LordCheta/rs-http-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d94c179d0a4508030fe6981e7647f67934cd2edead76d21844632d803e88814
[INFO] running `Command { std: "docker" "start" "-a" "5d94c179d0a4508030fe6981e7647f67934cd2edead76d21844632d803e88814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d94c179d0a4508030fe6981e7647f67934cd2edead76d21844632d803e88814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d94c179d0a4508030fe6981e7647f67934cd2edead76d21844632d803e88814", kill_on_drop: false }`
[INFO] [stdout] 5d94c179d0a4508030fe6981e7647f67934cd2edead76d21844632d803e88814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b98551431320044b9764dcd09f065549e7ed97ba90a45471ae8a80f9c6f2f724
[INFO] running `Command { std: "docker" "start" "-a" "b98551431320044b9764dcd09f065549e7ed97ba90a45471ae8a80f9c6f2f724", kill_on_drop: false }`
[INFO] [stderr]     Checking rs-http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use http::Request;
[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:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use http::Method;
[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 imports: `QueryString` and `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use query_string::{ QueryString, Value as QueryStringValue };
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/server.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 | ...                   Ok(request) => {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use http::Request;
[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:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use http::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `query_string`, and `method` are never read
[INFO] [stdout]   --> src/http/request.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Request<'buf> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |     path: &'buf str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     query_string: Option<QueryString<'buf>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     method: Method
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct QueryString<'buf> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     data: HashMap<&'buf str, Value<'buf>>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'buf> QueryString<'buf> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] 13 |     pub fn get(&self, key: &str) -> Option<&Value> {
[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 imports: `QueryString` and `Value as QueryStringValue`
[INFO] [stdout]  --> src/http/mod.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use query_string::{ QueryString, Value as QueryStringValue };
[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:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     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] 13 |     pub fn get(&self, key: &str) -> Option<&Value<'_>> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/server.rs:35:36
[INFO] [stdout]    |
[INFO] [stdout] 35 | ...                   Ok(request) => {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `query_string`, and `method` are never read
[INFO] [stdout]   --> src/http/request.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct Request<'buf> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 10 |     path: &'buf str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     query_string: Option<QueryString<'buf>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     method: Method
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct QueryString<'buf> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 4 |     data: HashMap<&'buf str, Value<'buf>>
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl<'buf> QueryString<'buf> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] 13 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/http/query_string.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 |     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] 13 |     pub fn get(&self, key: &str) -> Option<&Value<'_>> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b98551431320044b9764dcd09f065549e7ed97ba90a45471ae8a80f9c6f2f724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98551431320044b9764dcd09f065549e7ed97ba90a45471ae8a80f9c6f2f724", kill_on_drop: false }`
[INFO] [stdout] b98551431320044b9764dcd09f065549e7ed97ba90a45471ae8a80f9c6f2f724