[INFO] cloning repository https://github.com/elfanos/http-server-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elfanos/http-server-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfanos%2Fhttp-server-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfanos%2Fhttp-server-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b501542262094faa080cb90253cff348e044d1c
[INFO] checking elfanos/http-server-rust against master#5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea for pr-124336
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfanos%2Fhttp-server-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elfanos/http-server-rust on toolchain 5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elfanos/http-server-rust
[INFO] finished tweaking git repo https://github.com/elfanos/http-server-rust
[INFO] tweaked toml for git repo https://github.com/elfanos/http-server-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/elfanos/http-server-rust 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" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking elfanos/http-server-rust against try#311f8b6ca41358db8ae08490a9ca0916f11e9de3 for pr-124336
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felfanos%2Fhttp-server-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elfanos/http-server-rust on toolchain 311f8b6ca41358db8ae08490a9ca0916f11e9de3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elfanos/http-server-rust
[INFO] finished tweaking git repo https://github.com/elfanos/http-server-rust
[INFO] tweaked toml for git repo https://github.com/elfanos/http-server-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/elfanos/http-server-rust 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" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1eed2047f069dabe09351f31bdfedba87fe35be2a770d337aaab1fe71004cf95
[INFO] running `Command { std: "docker" "start" "-a" "1eed2047f069dabe09351f31bdfedba87fe35be2a770d337aaab1fe71004cf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1eed2047f069dabe09351f31bdfedba87fe35be2a770d337aaab1fe71004cf95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eed2047f069dabe09351f31bdfedba87fe35be2a770d337aaab1fe71004cf95", kill_on_drop: false }`
[INFO] [stdout] 1eed2047f069dabe09351f31bdfedba87fe35be2a770d337aaab1fe71004cf95
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+311f8b6ca41358db8ae08490a9ca0916f11e9de3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f8348bf1a88709841f123d15445f5dfada1f68eae906639739fe9c4b4e3758a
[INFO] running `Command { std: "docker" "start" "-a" "1f8348bf1a88709841f123d15445f5dfada1f68eae906639739fe9c4b4e3758a", kill_on_drop: false }`
[INFO] [stderr]     Checking http_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `QueryStringValue`
[INFO] [stdout]  --> src/http/request.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::{QueryString, QueryStringValue};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QueryStringValue`
[INFO] [stdout]  --> src/http/request.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use super::{QueryString, QueryStringValue};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct QueryString<'buf> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     data: HashMap<&'buf str, Value<'buf>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` 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: method `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'buf> QueryString<'buf> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] 16 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query_string` is never read
[INFO] [stdout]   --> src/http/request.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Request<'buf> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     path: &'buf str,
[INFO] [stdout] 12 |     query_string: Option<QueryString<'buf>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `query_string` is never used
[INFO] [stdout]   --> src/http/request.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'buf> Request<'buf> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct QueryString<'buf> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 6 |     data: HashMap<&'buf str, Value<'buf>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `QueryString` 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: method `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<'buf> QueryString<'buf> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] 16 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `query_string` is never read
[INFO] [stdout]   --> src/http/request.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Request<'buf> {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 11 |     path: &'buf str,
[INFO] [stdout] 12 |     query_string: Option<QueryString<'buf>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Request` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `query_string` is never used
[INFO] [stdout]   --> src/http/request.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<'buf> Request<'buf> {
[INFO] [stdout]    | ------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "1f8348bf1a88709841f123d15445f5dfada1f68eae906639739fe9c4b4e3758a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8348bf1a88709841f123d15445f5dfada1f68eae906639739fe9c4b4e3758a", kill_on_drop: false }`
[INFO] [stdout] 1f8348bf1a88709841f123d15445f5dfada1f68eae906639739fe9c4b4e3758a