[INFO] cloning repository https://github.com/Pinoga/rust-httpserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pinoga/rust-httpserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinoga%2Frust-httpserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinoga%2Frust-httpserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da04dacdfc4eb9c42baf76d3f221a567bd56bfbf
[INFO] checking Pinoga/rust-httpserver against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPinoga%2Frust-httpserver" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pinoga/rust-httpserver on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pinoga/rust-httpserver
[INFO] finished tweaking git repo https://github.com/Pinoga/rust-httpserver
[INFO] tweaked toml for git repo https://github.com/Pinoga/rust-httpserver written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Pinoga/rust-httpserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9943c3f0e6ecfc6a173ad4b96ed2ac86f03bce0a99e1684b78a1f7589f2c52a4
[INFO] running `Command { std: "docker" "start" "-a" "9943c3f0e6ecfc6a173ad4b96ed2ac86f03bce0a99e1684b78a1f7589f2c52a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9943c3f0e6ecfc6a173ad4b96ed2ac86f03bce0a99e1684b78a1f7589f2c52a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9943c3f0e6ecfc6a173ad4b96ed2ac86f03bce0a99e1684b78a1f7589f2c52a4", kill_on_drop: false }`
[INFO] [stdout] 9943c3f0e6ecfc6a173ad4b96ed2ac86f03bce0a99e1684b78a1f7589f2c52a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24db15ac532970c007e27bebf2e0905e675390c096deda7c09ad5ecff4e93c14
[INFO] running `Command { std: "docker" "start" "-a" "24db15ac532970c007e27bebf2e0905e675390c096deda7c09ad5ecff4e93c14", kill_on_drop: false }`
[INFO] [stderr]     Checking http v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Method`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use http::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use http::Request;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Method`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use http::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/server.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let (stream, addr) = res.unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/server.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |             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: unused variable: `stream`
[INFO] [stdout]   --> src/server.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |             let (stream, addr) = res.unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/server.rs:49:26
[INFO] [stdout]    |
[INFO] [stdout] 49 |             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: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 | ...                   write!(stream, "HTTP/1.1 404 Not Found\r\n\r\n");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/server.rs:32:37
[INFO] [stdout]    |
[INFO] [stdout] 32 | ...                   write!(stream, "HTTP/1.1 404 Not Found\r\n\r\n");
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24db15ac532970c007e27bebf2e0905e675390c096deda7c09ad5ecff4e93c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24db15ac532970c007e27bebf2e0905e675390c096deda7c09ad5ecff4e93c14", kill_on_drop: false }`
[INFO] [stdout] 24db15ac532970c007e27bebf2e0905e675390c096deda7c09ad5ecff4e93c14