[INFO] cloning repository https://github.com/simonholgate/helloworld_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonholgate/helloworld_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonholgate%2Fhelloworld_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonholgate%2Fhelloworld_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b129b7fcadfc6cea3d1b268fab2628fb95e6f267 [INFO] checking simonholgate/helloworld_rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonholgate%2Fhelloworld_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/simonholgate/helloworld_rust [INFO] finished tweaking git repo https://github.com/simonholgate/helloworld_rust [INFO] tweaked toml for git repo https://github.com/simonholgate/helloworld_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/simonholgate/helloworld_rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/simonholgate/helloworld_rust 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 56904453697d9a3aae2f7c7789d02e4d1c7d6fe97cbc8ceca7afd93c84327d3c [INFO] running `Command { std: "docker" "start" "-a" "56904453697d9a3aae2f7c7789d02e4d1c7d6fe97cbc8ceca7afd93c84327d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "56904453697d9a3aae2f7c7789d02e4d1c7d6fe97cbc8ceca7afd93c84327d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "56904453697d9a3aae2f7c7789d02e4d1c7d6fe97cbc8ceca7afd93c84327d3c", kill_on_drop: false }` [INFO] [stdout] 56904453697d9a3aae2f7c7789d02e4d1c7d6fe97cbc8ceca7afd93c84327d3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80bfb7485b26fe45a864b74bfa369f4e93c58872bb353f1a96a6d9acd86d3cc6 [INFO] running `Command { std: "docker" "start" "-a" "80bfb7485b26fe45a864b74bfa369f4e93c58872bb353f1a96a6d9acd86d3cc6", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking mio v0.8.10 [INFO] [stderr] Checking http v0.2.11 [INFO] [stderr] Checking tracing v0.1.40 [INFO] [stderr] Compiling syn v2.0.49 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking indexmap v2.2.3 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Checking http-body v0.4.6 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.36.0 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking pretty_env_logger v0.4.0 [INFO] [stderr] Checking tokio-util v0.7.10 [INFO] [stderr] Checking h2 v0.3.24 [INFO] [stderr] Checking hyper v0.14.28 [INFO] [stderr] Checking hellorust v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:27:72 [INFO] [stdout] | [INFO] [stdout] 27 | let make_svc = make_service_fn(|_socket: &AddrStream| async move { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 28 | | Ok::<_, Infallible>(service_fn(move |_: Request| async move { [INFO] [stdout] 29 | | let mut hello = "Hello ".to_string(); [INFO] [stdout] 30 | | match env::var("TARGET") { [INFO] [stdout] ... | [INFO] [stdout] 37 | | })) [INFO] [stdout] 38 | | }); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hellorust` (bin "hellorust" test) due to 4 previous errors [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | / Ok::<_, Infallible>(service_fn(move |_: Request| async move { [INFO] [stdout] 29 | | let mut hello = "Hello ".to_string(); [INFO] [stdout] 30 | | match env::var("TARGET") { [INFO] [stdout] 31 | | Ok(target) => { [INFO] [stdout] ... | [INFO] [stdout] 36 | | Ok::<_, Infallible>(Response::new(Body::from(hello))) [INFO] [stdout] 37 | | })) [INFO] [stdout] | |____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:28:76 [INFO] [stdout] | [INFO] [stdout] 28 | Ok::<_, Infallible>(service_fn(move |_: Request| async move { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 29 | | let mut hello = "Hello ".to_string(); [INFO] [stdout] 30 | | match env::var("TARGET") { [INFO] [stdout] 31 | | Ok(target) => { [INFO] [stdout] ... | [INFO] [stdout] 36 | | Ok::<_, Infallible>(Response::new(Body::from(hello))) [INFO] [stdout] 37 | | })) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | Ok::<_, Infallible>(Response::new(Body::from(hello))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:27:72 [INFO] [stdout] | [INFO] [stdout] 27 | let make_svc = make_service_fn(|_socket: &AddrStream| async move { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 28 | | Ok::<_, Infallible>(service_fn(move |_: Request| async move { [INFO] [stdout] 29 | | let mut hello = "Hello ".to_string(); [INFO] [stdout] 30 | | match env::var("TARGET") { [INFO] [stdout] ... | [INFO] [stdout] 37 | | })) [INFO] [stdout] 38 | | }); [INFO] [stdout] | |_______^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:28:10 [INFO] [stdout] | [INFO] [stdout] 28 | / Ok::<_, Infallible>(service_fn(move |_: Request| async move { [INFO] [stdout] 29 | | let mut hello = "Hello ".to_string(); [INFO] [stdout] 30 | | match env::var("TARGET") { [INFO] [stdout] 31 | | Ok(target) => { [INFO] [stdout] ... | [INFO] [stdout] 36 | | Ok::<_, Infallible>(Response::new(Body::from(hello))) [INFO] [stdout] 37 | | })) [INFO] [stdout] | |____________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:28:76 [INFO] [stdout] | [INFO] [stdout] 28 | Ok::<_, Infallible>(service_fn(move |_: Request| async move { [INFO] [stdout] | ____________________________________________________________________________^ [INFO] [stdout] 29 | | let mut hello = "Hello ".to_string(); [INFO] [stdout] 30 | | match env::var("TARGET") { [INFO] [stdout] 31 | | Ok(target) => { [INFO] [stdout] ... | [INFO] [stdout] 36 | | Ok::<_, Infallible>(Response::new(Body::from(hello))) [INFO] [stdout] 37 | | })) [INFO] [stdout] | |__________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:36:16 [INFO] [stdout] | [INFO] [stdout] 36 | Ok::<_, Infallible>(Response::new(Body::from(hello))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hellorust` (bin "hellorust") due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "80bfb7485b26fe45a864b74bfa369f4e93c58872bb353f1a96a6d9acd86d3cc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80bfb7485b26fe45a864b74bfa369f4e93c58872bb353f1a96a6d9acd86d3cc6", kill_on_drop: false }` [INFO] [stdout] 80bfb7485b26fe45a864b74bfa369f4e93c58872bb353f1a96a6d9acd86d3cc6