[INFO] cloning repository https://github.com/daniel-deru/rust-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-deru/rust-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-deru%2Frust-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-deru%2Frust-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09c84eea129b001abd20750f8fe9ff0fff7fce8a
[INFO] checking daniel-deru/rust-webserver against try#121a90d34197f711021eeb158e7f4184b8be8ceb for pr-140313
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-deru%2Frust-webserver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daniel-deru/rust-webserver on toolchain 121a90d34197f711021eeb158e7f4184b8be8ceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/daniel-deru/rust-webserver
[INFO] finished tweaking git repo https://github.com/daniel-deru/rust-webserver
[INFO] tweaked toml for git repo https://github.com/daniel-deru/rust-webserver written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/daniel-deru/rust-webserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "fetch" "--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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93c4df7dbd320815f105bfd557812e7b5c501a69ee28e7ae8d58eb729c518d53
[INFO] running `Command { std: "docker" "start" "-a" "93c4df7dbd320815f105bfd557812e7b5c501a69ee28e7ae8d58eb729c518d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93c4df7dbd320815f105bfd557812e7b5c501a69ee28e7ae8d58eb729c518d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c4df7dbd320815f105bfd557812e7b5c501a69ee28e7ae8d58eb729c518d53", kill_on_drop: false }`
[INFO] [stdout] 93c4df7dbd320815f105bfd557812e7b5c501a69ee28e7ae8d58eb729c518d53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+121a90d34197f711021eeb158e7f4184b8be8ceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 105bae8ca580b88ea54f535861d4185bff406809fc084f30497de579a3fdb80b
[INFO] running `Command { std: "docker" "start" "-a" "105bae8ca580b88ea54f535861d4185bff406809fc084f30497de579a3fdb80b", kill_on_drop: false }`
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `http_request`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let http_request: Vec<_> = buf_reader
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_http_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `http_request`
[INFO] [stdout]   --> src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let http_request: Vec<_> = buf_reader
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_http_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "105bae8ca580b88ea54f535861d4185bff406809fc084f30497de579a3fdb80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105bae8ca580b88ea54f535861d4185bff406809fc084f30497de579a3fdb80b", kill_on_drop: false }`
[INFO] [stdout] 105bae8ca580b88ea54f535861d4185bff406809fc084f30497de579a3fdb80b