[INFO] cloning repository https://github.com/Plesoun/rustserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Plesoun/rustserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlesoun%2Frustserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlesoun%2Frustserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16cea80442de9c4aada2a5da72884fbfec8c69f8
[INFO] testing Plesoun/rustserver against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlesoun%2Frustserver" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Plesoun/rustserver on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Plesoun/rustserver
[INFO] finished tweaking git repo https://github.com/Plesoun/rustserver
[INFO] tweaked toml for git repo https://github.com/Plesoun/rustserver written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Plesoun/rustserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ec76b95dbf4dcb91ad008785a3596977696b9884bb2b7046b8a2a12f402d186
[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" "8ec76b95dbf4dcb91ad008785a3596977696b9884bb2b7046b8a2a12f402d186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ec76b95dbf4dcb91ad008785a3596977696b9884bb2b7046b8a2a12f402d186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ec76b95dbf4dcb91ad008785a3596977696b9884bb2b7046b8a2a12f402d186", kill_on_drop: false }`
[INFO] [stdout] 8ec76b95dbf4dcb91ad008785a3596977696b9884bb2b7046b8a2a12f402d186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4649de6d0fb025e998204a5daed091e25cecad5fa395c4eaf357b7c767c11b4
[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" "f4649de6d0fb025e998204a5daed091e25cecad5fa395c4eaf357b7c767c11b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `Result as FmtResult`
[INFO] [stdout]  --> src/http/response.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Result as FmtResult, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/http/response.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `query_string`
[INFO] [stdout]   --> src/http/request.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     query_string: Option<QueryString<'buffer>>, //can be None or some, it is a way to express absence of a value in a type-safe way (no n...
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query_string`
[INFO] [stdout]   --> src/http/request.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     data: HashMap<&'buffer str, Value<'buffer>>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "f4649de6d0fb025e998204a5daed091e25cecad5fa395c4eaf357b7c767c11b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4649de6d0fb025e998204a5daed091e25cecad5fa395c4eaf357b7c767c11b4", kill_on_drop: false }`
[INFO] [stdout] f4649de6d0fb025e998204a5daed091e25cecad5fa395c4eaf357b7c767c11b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a4412e1428fee60d345a74781123928549756826bd7d886364ac740f36d2117
[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" "8a4412e1428fee60d345a74781123928549756826bd7d886364ac740f36d2117", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/server.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display`, `Formatter`, `Result as FmtResult`
[INFO] [stdout]  --> src/http/response.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{Display, Result as FmtResult, Formatter};
[INFO] [stdout]   |                ^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::net::TcpStream`
[INFO] [stdout]  --> src/http/response.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::net::TcpStream;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `query_string`
[INFO] [stdout]   --> src/http/request.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     query_string: Option<QueryString<'buffer>>, //can be None or some, it is a way to express absence of a value in a type-safe way (no n...
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query_string`
[INFO] [stdout]   --> src/http/request.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `data`
[INFO] [stdout]  --> src/http/query_string.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     data: HashMap<&'buffer str, Value<'buffer>>
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "8a4412e1428fee60d345a74781123928549756826bd7d886364ac740f36d2117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4412e1428fee60d345a74781123928549756826bd7d886364ac740f36d2117", kill_on_drop: false }`
[INFO] [stdout] 8a4412e1428fee60d345a74781123928549756826bd7d886364ac740f36d2117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5aed29577ac54e979552d83daec17f74c7fc34410e0b1a788e080e11fa7e85c7
[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" "5aed29577ac54e979552d83daec17f74c7fc34410e0b1a788e080e11fa7e85c7", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/server.rs:2:21
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 | use std::io::{Read, Write};
[INFO] [stdout] 
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/server.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display`, `Formatter`, `Result as FmtResult`
[INFO] [stderr]  --> src/http/response.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{Display, Result as FmtResult, Formatter};
[INFO] [stderr]   |                ^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::net::TcpStream`
[INFO] [stderr]  --> src/http/response.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::TcpStream;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `query_string`
[INFO] [stderr]   --> src/http/request.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     query_string: Option<QueryString<'buffer>>, //can be None or some, it is a way to express absence of a value in a type-safe way (no n...
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `query_string`
[INFO] [stderr]   --> src/http/request.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn query_string(&self) -> Option<&QueryString> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]  --> src/http/query_string.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     data: HashMap<&'buffer str, Value<'buffer>>
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get`
[INFO] [stderr]   --> src/http/query_string.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn get(&self, key: &str) -> Option<&Value> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustserver` (bin "rustserver" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustserver-b8f8e69892a6083e)
[INFO] running `Command { std: "docker" "inspect" "5aed29577ac54e979552d83daec17f74c7fc34410e0b1a788e080e11fa7e85c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aed29577ac54e979552d83daec17f74c7fc34410e0b1a788e080e11fa7e85c7", kill_on_drop: false }`
[INFO] [stdout] 5aed29577ac54e979552d83daec17f74c7fc34410e0b1a788e080e11fa7e85c7