[INFO] cloning repository https://github.com/Lulzmatt27/simple_http_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lulzmatt27/simple_http_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLulzmatt27%2Fsimple_http_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLulzmatt27%2Fsimple_http_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce6b328a4719a33792ad8bd7297b905d7202a54d
[INFO] testing Lulzmatt27/simple_http_rust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLulzmatt27%2Fsimple_http_rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lulzmatt27/simple_http_rust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lulzmatt27/simple_http_rust
[INFO] finished tweaking git repo https://github.com/Lulzmatt27/simple_http_rust
[INFO] tweaked toml for git repo https://github.com/Lulzmatt27/simple_http_rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Lulzmatt27/simple_http_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a17089297b1df9a437b2daf7b1a4c4f96e658da3ed7e251cfbf0df80690e9785
[INFO] running `Command { std: "docker" "start" "-a" "a17089297b1df9a437b2daf7b1a4c4f96e658da3ed7e251cfbf0df80690e9785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a17089297b1df9a437b2daf7b1a4c4f96e658da3ed7e251cfbf0df80690e9785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17089297b1df9a437b2daf7b1a4c4f96e658da3ed7e251cfbf0df80690e9785", kill_on_drop: false }`
[INFO] [stdout] a17089297b1df9a437b2daf7b1a4c4f96e658da3ed7e251cfbf0df80690e9785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f589a6ec1cc9971e4ecc440c80a257d161694997355211c5da0209ffae3a499
[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" "0f589a6ec1cc9971e4ecc440c80a257d161694997355211c5da0209ffae3a499", kill_on_drop: false }`
[INFO] [stderr]    Compiling http_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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 variable: `addr`
[INFO] [stdout]   --> src/server.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Ok((mut stream, addr)) => {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/server.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let (stream, addr) = res.unwrap();
[INFO] [stdout]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/server.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let (stream, addr) = res.unwrap();
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "0f589a6ec1cc9971e4ecc440c80a257d161694997355211c5da0209ffae3a499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f589a6ec1cc9971e4ecc440c80a257d161694997355211c5da0209ffae3a499", kill_on_drop: false }`
[INFO] [stdout] 0f589a6ec1cc9971e4ecc440c80a257d161694997355211c5da0209ffae3a499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 313b6cebd60934af892b3270dfa0b1ce704884ce4c8dd870fd2208a3a433c3e7
[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" "313b6cebd60934af892b3270dfa0b1ce704884ce4c8dd870fd2208a3a433c3e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling http_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/server.rs:4:21
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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 variable: `addr`
[INFO] [stdout]   --> src/server.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 |         Ok((mut stream, addr)) => {
[INFO] [stdout]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/server.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let (stream, addr) = res.unwrap();
[INFO] [stdout]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/server.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |       let (stream, addr) = res.unwrap();
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "313b6cebd60934af892b3270dfa0b1ce704884ce4c8dd870fd2208a3a433c3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313b6cebd60934af892b3270dfa0b1ce704884ce4c8dd870fd2208a3a433c3e7", kill_on_drop: false }`
[INFO] [stdout] 313b6cebd60934af892b3270dfa0b1ce704884ce4c8dd870fd2208a3a433c3e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1dd74652d2dc2a406fdbe77e5d68e04d5cdfac9f1f8dcb08426101b54390d47f
[INFO] running `Command { std: "docker" "start" "-a" "1dd74652d2dc2a406fdbe77e5d68e04d5cdfac9f1f8dcb08426101b54390d47f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/server.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/server.rs:30:25
[INFO] [stderr]    |
[INFO] [stderr] 30 |         Ok((mut stream, addr)) => {
[INFO] [stderr]    |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stream`
[INFO] [stderr]   --> src/server.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |       let (stream, addr) = res.unwrap();
[INFO] [stderr]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/server.rs:54:20
[INFO] [stderr]    |
[INFO] [stderr] 54 |       let (stream, addr) = res.unwrap();
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/http_server-b718cf5a8e3bce89
[INFO] running `Command { std: "docker" "inspect" "1dd74652d2dc2a406fdbe77e5d68e04d5cdfac9f1f8dcb08426101b54390d47f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd74652d2dc2a406fdbe77e5d68e04d5cdfac9f1f8dcb08426101b54390d47f", kill_on_drop: false }`
[INFO] [stdout] 1dd74652d2dc2a406fdbe77e5d68e04d5cdfac9f1f8dcb08426101b54390d47f