[INFO] cloning repository https://github.com/nenodias/async-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nenodias/async-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenodias%2Fasync-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenodias%2Fasync-server'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-receive.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenodias%2Fasync-server/hooks/pre-receive.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/nenodias/async-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nenodias/async-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenodias%2Fasync-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenodias%2Fasync-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28bf9e3778fc3ffc75cc2bf7af03b0dd83c78f51
[INFO] building nenodias/async-server against try#14accda7ba2c586835d15379a621955d9f047371 for pr-103610
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnenodias%2Fasync-server" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nenodias/async-server on toolchain 14accda7ba2c586835d15379a621955d9f047371
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nenodias/async-server
[INFO] finished tweaking git repo https://github.com/nenodias/async-server
[INFO] tweaked toml for git repo https://github.com/nenodias/async-server written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nenodias/async-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 257c816a05b55d39a9b369af52e221c71f3494662a7920551f18a5adc2f7e867
[INFO] running `Command { std: "docker" "start" "-a" "257c816a05b55d39a9b369af52e221c71f3494662a7920551f18a5adc2f7e867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "257c816a05b55d39a9b369af52e221c71f3494662a7920551f18a5adc2f7e867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257c816a05b55d39a9b369af52e221c71f3494662a7920551f18a5adc2f7e867", kill_on_drop: false }`
[INFO] [stdout] 257c816a05b55d39a9b369af52e221c71f3494662a7920551f18a5adc2f7e867
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df7d1a4ec39b48ad71b887f0eb0ec20b2a28f51721af8afae69d1bbe0efb6332
[INFO] running `Command { std: "docker" "start" "-a" "df7d1a4ec39b48ad71b887f0eb0ec20b2a28f51721af8afae69d1bbe0efb6332", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.6
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling async-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct QueryString<'buf> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     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: associated function `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `query_string` and `method` are never read
[INFO] [stdout]   --> src/http/request.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Request<'buf> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 11 |     path: &'buf str,
[INFO] [stdout] 12 |     query_string: Option<QueryString<'buf>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     method: Method,
[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: associated function `method` is never used
[INFO] [stdout]   --> src/http/request.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn method(&self) -> &Method {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `query_string` is never used
[INFO] [stdout]   --> src/http/request.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `BadRequest` and `NotFound` are never constructed
[INFO] [stdout]  --> src/http/status_code.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum StatusCode {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 5 |     Ok = 200,
[INFO] [stdout] 6 |     BadRequest = 400,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     NotFound = 404,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StatusCode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.62s
[INFO] running `Command { std: "docker" "inspect" "df7d1a4ec39b48ad71b887f0eb0ec20b2a28f51721af8afae69d1bbe0efb6332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df7d1a4ec39b48ad71b887f0eb0ec20b2a28f51721af8afae69d1bbe0efb6332", kill_on_drop: false }`
[INFO] [stdout] df7d1a4ec39b48ad71b887f0eb0ec20b2a28f51721af8afae69d1bbe0efb6332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+14accda7ba2c586835d15379a621955d9f047371" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a64398b01da2072f37dafa891e3ad5d81413eb91bfc1556f0ff6b32dc1b16b84
[INFO] running `Command { std: "docker" "start" "-a" "a64398b01da2072f37dafa891e3ad5d81413eb91bfc1556f0ff6b32dc1b16b84", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct QueryString<'buf> {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 5 |     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: associated function `get` is never used
[INFO] [stdout]   --> src/http/query_string.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `query_string` and `method` are never read
[INFO] [stdout]   --> src/http/request.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Request<'buf> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 11 |     path: &'buf str,
[INFO] [stdout] 12 |     query_string: Option<QueryString<'buf>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 13 |     method: Method,
[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: associated function `method` is never used
[INFO] [stdout]   --> src/http/request.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn method(&self) -> &Method {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `query_string` is never used
[INFO] [stdout]   --> src/http/request.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `BadRequest` and `NotFound` are never constructed
[INFO] [stdout]  --> src/http/status_code.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum StatusCode {
[INFO] [stdout]   |          ---------- variants in this enum
[INFO] [stdout] 5 |     Ok = 200,
[INFO] [stdout] 6 |     BadRequest = 400,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 7 |     NotFound = 404,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StatusCode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "a64398b01da2072f37dafa891e3ad5d81413eb91bfc1556f0ff6b32dc1b16b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64398b01da2072f37dafa891e3ad5d81413eb91bfc1556f0ff6b32dc1b16b84", kill_on_drop: false }`
[INFO] [stdout] a64398b01da2072f37dafa891e3ad5d81413eb91bfc1556f0ff6b32dc1b16b84