[INFO] cloning repository https://github.com/gilles-bertrand/rust-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilles-bertrand/rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilles-bertrand%2Frust-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilles-bertrand%2Frust-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 540db411c1d4f3af65826fa9e8ddf6e5a6bc12d7
[INFO] checking gilles-bertrand/rust-training against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilles-bertrand%2Frust-training" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilles-bertrand/rust-training on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilles-bertrand/rust-training
[INFO] finished tweaking git repo https://github.com/gilles-bertrand/rust-training
[INFO] tweaked toml for git repo https://github.com/gilles-bertrand/rust-training written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/gilles-bertrand/rust-training already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d171912a33a40c1bdb07f47f1698863d5564b4268877bc9b521e5fa070f35ceb
[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" "d171912a33a40c1bdb07f47f1698863d5564b4268877bc9b521e5fa070f35ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d171912a33a40c1bdb07f47f1698863d5564b4268877bc9b521e5fa070f35ceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d171912a33a40c1bdb07f47f1698863d5564b4268877bc9b521e5fa070f35ceb", kill_on_drop: false }`
[INFO] [stdout] d171912a33a40c1bdb07f47f1698863d5564b4268877bc9b521e5fa070f35ceb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 0473f5f3e50a2e47b418310450e84e3e0e0fc08f3d110cebac69530b8d698fd3
[INFO] running `Command { std: "docker" "start" "-a" "0473f5f3e50a2e47b418310450e84e3e0e0fc08f3d110cebac69530b8d698fd3", kill_on_drop: false }`
[INFO] [stderr]     Checking http-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use http::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `http::Request`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use http::Method;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert::TryInto`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/http/request.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn try_from(buf: &[u8]) -> Result<Self, Self::Error>{
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/server.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   Ok(request)=>{},
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]   --> src/http/request.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn try_from(buf: &[u8]) -> Result<Self, Self::Error>{
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/server.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 | ...                   Ok(request)=>{},
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]  --> src/http/request.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     path:String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `query_string`
[INFO] [stdout]  --> src/http/request.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     query_string:Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `method`
[INFO] [stdout]  --> src/http/request.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     method:Method,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidRequest`
[INFO] [stdout]   --> src/http/request.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     InvalidRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidEncoding`
[INFO] [stdout]   --> src/http/request.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     InvalidEncoding,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidProtocol`
[INFO] [stdout]   --> src/http/request.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     InvalidProtocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidMethod`
[INFO] [stdout]   --> src/http/request.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     InvalidMethod
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GET`
[INFO] [stdout]  --> src/http/method.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     GET,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]  --> src/http/method.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     DELETE,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUT`
[INFO] [stdout]  --> src/http/method.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     PUT,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PATCH`
[INFO] [stdout]  --> src/http/method.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PATCH,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `POST`
[INFO] [stdout]  --> src/http/method.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     POST,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]  --> src/http/method.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     TRACE,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPTIONS`
[INFO] [stdout]  --> src/http/method.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     OPTIONS,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HEAD`
[INFO] [stdout]  --> src/http/method.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     HEAD,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CONNECT`
[INFO] [stdout]   --> src/http/method.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CONNECT
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `path`
[INFO] [stdout]  --> src/http/request.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     path:String,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `query_string`
[INFO] [stdout]  --> src/http/request.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     query_string:Option<String>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `method`
[INFO] [stdout]  --> src/http/request.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     method:Method,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidRequest`
[INFO] [stdout]   --> src/http/request.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     InvalidRequest,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidEncoding`
[INFO] [stdout]   --> src/http/request.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     InvalidEncoding,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidProtocol`
[INFO] [stdout]   --> src/http/request.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     InvalidProtocol,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `InvalidMethod`
[INFO] [stdout]   --> src/http/request.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     InvalidMethod
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GET`
[INFO] [stdout]  --> src/http/method.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     GET,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]  --> src/http/method.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     DELETE,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PUT`
[INFO] [stdout]  --> src/http/method.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     PUT,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PATCH`
[INFO] [stdout]  --> src/http/method.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     PATCH,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `POST`
[INFO] [stdout]  --> src/http/method.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     POST,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `TRACE`
[INFO] [stdout]  --> src/http/method.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     TRACE,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OPTIONS`
[INFO] [stdout]  --> src/http/method.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     OPTIONS,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `HEAD`
[INFO] [stdout]  --> src/http/method.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     HEAD,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `CONNECT`
[INFO] [stdout]   --> src/http/method.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CONNECT
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "0473f5f3e50a2e47b418310450e84e3e0e0fc08f3d110cebac69530b8d698fd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0473f5f3e50a2e47b418310450e84e3e0e0fc08f3d110cebac69530b8d698fd3", kill_on_drop: false }`
[INFO] [stdout] 0473f5f3e50a2e47b418310450e84e3e0e0fc08f3d110cebac69530b8d698fd3