[INFO] cloning repository https://github.com/atahabaki/simple-server-tcp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atahabaki/simple-server-tcp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatahabaki%2Fsimple-server-tcp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatahabaki%2Fsimple-server-tcp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfbafd855a5a2634f650619c50395731ec3e19ab
[INFO] testing atahabaki/simple-server-tcp-rust against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatahabaki%2Fsimple-server-tcp-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atahabaki/simple-server-tcp-rust on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atahabaki/simple-server-tcp-rust
[INFO] finished tweaking git repo https://github.com/atahabaki/simple-server-tcp-rust
[INFO] tweaked toml for git repo https://github.com/atahabaki/simple-server-tcp-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/atahabaki/simple-server-tcp-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d1a047b2481c2969f7a43f0d6f56ada3f498f3bfed8f02a79575af2887d708a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d1a047b2481c2969f7a43f0d6f56ada3f498f3bfed8f02a79575af2887d708a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d1a047b2481c2969f7a43f0d6f56ada3f498f3bfed8f02a79575af2887d708a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d1a047b2481c2969f7a43f0d6f56ada3f498f3bfed8f02a79575af2887d708a", kill_on_drop: false }`
[INFO] [stdout] 7d1a047b2481c2969f7a43f0d6f56ada3f498f3bfed8f02a79575af2887d708a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c818f0829fbedb634006197a587186ccee9fd208cdce44115a04866adc83b6eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c818f0829fbedb634006197a587186ccee9fd208cdce44115a04866adc83b6eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/libhttp/server.rs:56:30
[INFO] [stdout]    |
[INFO] [stdout] 56 |           HTTPHeader::Post { path , version } => {
[INFO] [stdout]    |                              ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> src/libhttp/server.rs:56:37
[INFO] [stdout]    |
[INFO] [stdout] 56 |           HTTPHeader::Post { path , version } => {
[INFO] [stdout]    |                                     ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `crlf_count` is never read
[INFO] [stdout]   --> src/libhttp/server.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |               crlf_count = 0;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/libhttp/server.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |           HTTPHeader::Get{ path, version} => {
[INFO] [stdout]    |                            ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> src/libhttp/server.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |           HTTPHeader::Get{ path, version} => {
[INFO] [stdout]    |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/libhttp/server.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |             HTTPHeader::Post { path, version } => {
[INFO] [stdout]     |                                ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]    --> src/libhttp/server.rs:128:58
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn send_res(&self, mut stream: &TcpStream, res: String, headers: Vec<HTTPResponseHeader>) {
[INFO] [stdout]     |                                                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]    --> src/libhttp/header.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.44s
[INFO] running `Command { std: "docker" "inspect" "c818f0829fbedb634006197a587186ccee9fd208cdce44115a04866adc83b6eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c818f0829fbedb634006197a587186ccee9fd208cdce44115a04866adc83b6eb", kill_on_drop: false }`
[INFO] [stdout] c818f0829fbedb634006197a587186ccee9fd208cdce44115a04866adc83b6eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 088c75f4879d670b6d84d5e52087f289520e1d60715704e50577c6a9a597fc25
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "088c75f4879d670b6d84d5e52087f289520e1d60715704e50577c6a9a597fc25", kill_on_drop: false }`
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/libhttp/server.rs:56:30
[INFO] [stdout]    |
[INFO] [stdout] 56 |           HTTPHeader::Post { path , version } => {
[INFO] [stdout]    |                              ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> src/libhttp/server.rs:56:37
[INFO] [stdout]    |
[INFO] [stdout] 56 |           HTTPHeader::Post { path , version } => {
[INFO] [stdout]    |                                     ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `crlf_count` is never read
[INFO] [stdout]   --> src/libhttp/server.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |               crlf_count = 0;
[INFO] [stdout]    |               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/libhttp/server.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |           HTTPHeader::Get{ path, version} => {
[INFO] [stdout]    |                            ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `version`
[INFO] [stdout]   --> src/libhttp/server.rs:65:34
[INFO] [stdout]    |
[INFO] [stdout] 65 |           HTTPHeader::Get{ path, version} => {
[INFO] [stdout]    |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]    --> src/libhttp/server.rs:116:23
[INFO] [stdout]     |
[INFO] [stdout] 116 |             HTTPHeader::Post { path, version } => {
[INFO] [stdout]     |                                ^^^^ help: try ignoring the field: `path: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `headers`
[INFO] [stdout]    --> src/libhttp/server.rs:128:58
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn send_res(&self, mut stream: &TcpStream, res: String, headers: Vec<HTTPResponseHeader>) {
[INFO] [stdout]     |                                                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_string`
[INFO] [stdout]    --> src/libhttp/header.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn to_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "088c75f4879d670b6d84d5e52087f289520e1d60715704e50577c6a9a597fc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088c75f4879d670b6d84d5e52087f289520e1d60715704e50577c6a9a597fc25", kill_on_drop: false }`
[INFO] [stdout] 088c75f4879d670b6d84d5e52087f289520e1d60715704e50577c6a9a597fc25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 382994453c27bd3c407393df8f94ebfca88f34d84e5653700a442d16e98b2feb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "382994453c27bd3c407393df8f94ebfca88f34d84e5653700a442d16e98b2feb", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/libhttp/server.rs:56:30
[INFO] [stderr]    |
[INFO] [stderr] 56 |           HTTPHeader::Post { path , version } => {
[INFO] [stderr]    |                              ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]   --> src/libhttp/server.rs:56:37
[INFO] [stderr]    |
[INFO] [stderr] 56 |           HTTPHeader::Post { path , version } => {
[INFO] [stderr]    |                                     ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `crlf_count` is never read
[INFO] [stderr]   --> src/libhttp/server.rs:58:15
[INFO] [stderr]    |
[INFO] [stderr] 58 |               crlf_count = 0;
[INFO] [stderr]    |               ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/libhttp/server.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |           HTTPHeader::Get{ path, version} => {
[INFO] [stderr]    |                            ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]   --> src/libhttp/server.rs:65:34
[INFO] [stderr]    |
[INFO] [stderr] 65 |           HTTPHeader::Get{ path, version} => {
[INFO] [stderr]    |                                  ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/libhttp/server.rs:116:23
[INFO] [stderr]     |
[INFO] [stderr] 116 |             HTTPHeader::Post { path, version } => {
[INFO] [stderr]     |                                ^^^^ help: try ignoring the field: `path: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `headers`
[INFO] [stderr]    --> src/libhttp/server.rs:128:58
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn send_res(&self, mut stream: &TcpStream, res: String, headers: Vec<HTTPResponseHeader>) {
[INFO] [stderr]     |                                                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_headers`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_string`
[INFO] [stderr]    --> src/libhttp/header.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn to_string(&self) -> String {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `server` (bin "server" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-c2083b8185087935)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test libhttp::header::header_test::get_http_header_ignore_whitespace ... ok
[INFO] [stdout] test libhttp::header::header_test::host_header_ignore_whitespace ... ok
[INFO] [stdout] test libhttp::header::header_test::post_http_header_ignore_whitespace ... ok
[INFO] [stdout] test libhttp::header::header_test::accept_language_header_ignore_whitespace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "382994453c27bd3c407393df8f94ebfca88f34d84e5653700a442d16e98b2feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382994453c27bd3c407393df8f94ebfca88f34d84e5653700a442d16e98b2feb", kill_on_drop: false }`
[INFO] [stdout] 382994453c27bd3c407393df8f94ebfca88f34d84e5653700a442d16e98b2feb