[INFO] cloning repository https://github.com/martingrzzler/rust-http-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martingrzzler/rust-http-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartingrzzler%2Frust-http-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartingrzzler%2Frust-http-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f103d69346cd937db53aa5147d0e0b81f731f22f
[INFO] testing martingrzzler/rust-http-server against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartingrzzler%2Frust-http-server" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martingrzzler/rust-http-server on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martingrzzler/rust-http-server
[INFO] finished tweaking git repo https://github.com/martingrzzler/rust-http-server
[INFO] tweaked toml for git repo https://github.com/martingrzzler/rust-http-server written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/martingrzzler/rust-http-server already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0654a3714dc1d0f9ea3d89813397ee7f6c4df24d43552136b493425c76d67724
[INFO] running `Command { std: "docker" "start" "-a" "0654a3714dc1d0f9ea3d89813397ee7f6c4df24d43552136b493425c76d67724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0654a3714dc1d0f9ea3d89813397ee7f6c4df24d43552136b493425c76d67724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0654a3714dc1d0f9ea3d89813397ee7f6c4df24d43552136b493425c76d67724", kill_on_drop: false }`
[INFO] [stdout] 0654a3714dc1d0f9ea3d89813397ee7f6c4df24d43552136b493425c76d67724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38bba6fb3609ca3880b4dcb88d63eecd8b73d8e617a490b4264c2f75faaa3740
[INFO] running `Command { std: "docker" "start" "-a" "38bba6fb3609ca3880b4dcb88d63eecd8b73d8e617a490b4264c2f75faaa3740", kill_on_drop: false }`
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]   --> src/http/query_string.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |       let mut key = sub_str;
[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: value assigned to `val` is never read
[INFO] [stdout]   --> src/http/query_string.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |       let mut val = "";
[INFO] [stdout]    |               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "38bba6fb3609ca3880b4dcb88d63eecd8b73d8e617a490b4264c2f75faaa3740", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38bba6fb3609ca3880b4dcb88d63eecd8b73d8e617a490b4264c2f75faaa3740", kill_on_drop: false }`
[INFO] [stdout] 38bba6fb3609ca3880b4dcb88d63eecd8b73d8e617a490b4264c2f75faaa3740
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c581a1271b01e7e6f5ebf91d1f281299eb9a8be62963764d0d9b0f00d288d42f
[INFO] running `Command { std: "docker" "start" "-a" "c581a1271b01e7e6f5ebf91d1f281299eb9a8be62963764d0d9b0f00d288d42f", kill_on_drop: false }`
[INFO] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `key` is never read
[INFO] [stdout]   --> src/http/query_string.rs:24:15
[INFO] [stdout]    |
[INFO] [stdout] 24 |       let mut key = sub_str;
[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: value assigned to `val` is never read
[INFO] [stdout]   --> src/http/query_string.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |       let mut val = "";
[INFO] [stdout]    |               ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "c581a1271b01e7e6f5ebf91d1f281299eb9a8be62963764d0d9b0f00d288d42f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c581a1271b01e7e6f5ebf91d1f281299eb9a8be62963764d0d9b0f00d288d42f", kill_on_drop: false }`
[INFO] [stdout] c581a1271b01e7e6f5ebf91d1f281299eb9a8be62963764d0d9b0f00d288d42f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a116dfd94f47d167cc7483f173fa13e38de13fae3e7a73f3de4fde410e7559ee
[INFO] running `Command { std: "docker" "start" "-a" "a116dfd94f47d167cc7483f173fa13e38de13fae3e7a73f3de4fde410e7559ee", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `key` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/http/query_string.rs:24:15
[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] 24 |       let mut key = sub_str;
[INFO] [stdout] 
[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: value assigned to `val` is never read
[INFO] [stderr]   --> src/http/query_string.rs:25:15
[INFO] [stderr]    |
[INFO] [stderr] 25 |       let mut val = "";
[INFO] [stderr]    |               ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/server-426981881f2ec87f)
[INFO] running `Command { std: "docker" "inspect" "a116dfd94f47d167cc7483f173fa13e38de13fae3e7a73f3de4fde410e7559ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a116dfd94f47d167cc7483f173fa13e38de13fae3e7a73f3de4fde410e7559ee", kill_on_drop: false }`
[INFO] [stdout] a116dfd94f47d167cc7483f173fa13e38de13fae3e7a73f3de4fde410e7559ee