[INFO] cloning repository https://github.com/Rock48/RustHttpServer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rock48/RustHttpServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRock48%2FRustHttpServer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRock48%2FRustHttpServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4daa0885b1ab0831737c5d27df5e1a484ccc4b38
[INFO] building Rock48/RustHttpServer against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRock48%2FRustHttpServer" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rock48/RustHttpServer on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rock48/RustHttpServer
[INFO] finished tweaking git repo https://github.com/Rock48/RustHttpServer
[INFO] tweaked toml for git repo https://github.com/Rock48/RustHttpServer written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Rock48/RustHttpServer 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded io-error v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cc5cb2c7d5e7321f9bc61f66eaa6fcdea4dc02c9c56fbe602fce09f91ea8c81
[INFO] running `Command { std: "docker" "start" "-a" "4cc5cb2c7d5e7321f9bc61f66eaa6fcdea4dc02c9c56fbe602fce09f91ea8c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cc5cb2c7d5e7321f9bc61f66eaa6fcdea4dc02c9c56fbe602fce09f91ea8c81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cc5cb2c7d5e7321f9bc61f66eaa6fcdea4dc02c9c56fbe602fce09f91ea8c81", kill_on_drop: false }`
[INFO] [stdout] 4cc5cb2c7d5e7321f9bc61f66eaa6fcdea4dc02c9c56fbe602fce09f91ea8c81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f05c25943680174dcd3947e06bff8d4758a8892064a05f7d57558e3aee6ec47
[INFO] running `Command { std: "docker" "start" "-a" "8f05c25943680174dcd3947e06bff8d4758a8892064a05f7d57558e3aee6ec47", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling io-error v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `num::NonZeroUsize` and `thread`
[INFO] [stdout]  --> src/http/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     num::NonZeroUsize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "8f05c25943680174dcd3947e06bff8d4758a8892064a05f7d57558e3aee6ec47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f05c25943680174dcd3947e06bff8d4758a8892064a05f7d57558e3aee6ec47", kill_on_drop: false }`
[INFO] [stdout] 8f05c25943680174dcd3947e06bff8d4758a8892064a05f7d57558e3aee6ec47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b93b5954e9d1a98789b4912037af85d40e360b83c86863ef63859f41114c74d6
[INFO] running `Command { std: "docker" "start" "-a" "b93b5954e9d1a98789b4912037af85d40e360b83c86863ef63859f41114c74d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `num::NonZeroUsize` and `thread`
[INFO] [stdout]  --> src/http/server.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     thread,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     num::NonZeroUsize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "b93b5954e9d1a98789b4912037af85d40e360b83c86863ef63859f41114c74d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93b5954e9d1a98789b4912037af85d40e360b83c86863ef63859f41114c74d6", kill_on_drop: false }`
[INFO] [stdout] b93b5954e9d1a98789b4912037af85d40e360b83c86863ef63859f41114c74d6