[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] building atahabaki/simple-server-tcp-rust against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatahabaki%2Fsimple-server-tcp-rust" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atahabaki/simple-server-tcp-rust on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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-19/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" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe157bdd2ce0203fde486db2e39e3241dccad95334deee70cd33f58d9475b95e
[INFO] running `Command { std: "docker" "start" "-a" "fe157bdd2ce0203fde486db2e39e3241dccad95334deee70cd33f58d9475b95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe157bdd2ce0203fde486db2e39e3241dccad95334deee70cd33f58d9475b95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe157bdd2ce0203fde486db2e39e3241dccad95334deee70cd33f58d9475b95e", kill_on_drop: false }`
[INFO] [stdout] fe157bdd2ce0203fde486db2e39e3241dccad95334deee70cd33f58d9475b95e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4de7760c008f6e25ae3dcdeebafc5cfe2af048f9237ccc59f0c6b706dddcdc0c
[INFO] running `Command { std: "docker" "start" "-a" "4de7760c008f6e25ae3dcdeebafc5cfe2af048f9237ccc59f0c6b706dddcdc0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[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 2.53s
[INFO] running `Command { std: "docker" "inspect" "4de7760c008f6e25ae3dcdeebafc5cfe2af048f9237ccc59f0c6b706dddcdc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4de7760c008f6e25ae3dcdeebafc5cfe2af048f9237ccc59f0c6b706dddcdc0c", kill_on_drop: false }`
[INFO] [stdout] 4de7760c008f6e25ae3dcdeebafc5cfe2af048f9237ccc59f0c6b706dddcdc0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8c891441e91f5bb0311690681518505b48b4aa345d33cc71faf1493ee7b6a6a
[INFO] running `Command { std: "docker" "start" "-a" "b8c891441e91f5bb0311690681518505b48b4aa345d33cc71faf1493ee7b6a6a", 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 0.97s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/server-c2083b8185087935)
[INFO] running `Command { std: "docker" "inspect" "b8c891441e91f5bb0311690681518505b48b4aa345d33cc71faf1493ee7b6a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c891441e91f5bb0311690681518505b48b4aa345d33cc71faf1493ee7b6a6a", kill_on_drop: false }`
[INFO] [stdout] b8c891441e91f5bb0311690681518505b48b4aa345d33cc71faf1493ee7b6a6a