[INFO] cloning repository https://github.com/growthagent/basic-webserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/growthagent/basic-webserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrowthagent%2Fbasic-webserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrowthagent%2Fbasic-webserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8044e02c3cef8f99be7b9d10e63e5125d208ac67
[INFO] checking growthagent/basic-webserver 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%2Fgrowthagent%2Fbasic-webserver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/growthagent/basic-webserver
[INFO] finished tweaking git repo https://github.com/growthagent/basic-webserver
[INFO] tweaked toml for git repo https://github.com/growthagent/basic-webserver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/growthagent/basic-webserver 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/growthagent/basic-webserver 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 72f36ee9a71832c9d4495de719841c772ba1846f737dcd209853174ae6fe3d55
[INFO] running `Command { std: "docker" "start" "-a" "72f36ee9a71832c9d4495de719841c772ba1846f737dcd209853174ae6fe3d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72f36ee9a71832c9d4495de719841c772ba1846f737dcd209853174ae6fe3d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f36ee9a71832c9d4495de719841c772ba1846f737dcd209853174ae6fe3d55", kill_on_drop: false }`
[INFO] [stdout] 72f36ee9a71832c9d4495de719841c772ba1846f737dcd209853174ae6fe3d55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1556749b4c959b93e736820c591cdb0726560d8d33e2a48bef0ae863f8fc33a4
[INFO] running `Command { std: "docker" "start" "-a" "1556749b4c959b93e736820c591cdb0726560d8d33e2a48bef0ae863f8fc33a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.18
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking memmap2 v0.9.4
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking roc_std v0.0.1 (https://github.com/roc-lang/roc.git#5ba1c8e2)
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking roc_std_heap v0.0.1 (https://github.com/roc-lang/roc.git#5ba1c8e2)
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking roc_io_error v0.0.1 (https://github.com/growthagent/basic-cli.git#3a358314)
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking httpdate v1.0.3
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking rustls-native-certs v0.6.3
[INFO] [stderr]     Checking roc_file v0.0.1 (https://github.com/growthagent/basic-cli.git#3a358314)
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking miniz_oxide v0.8.7
[INFO] [stderr]     Checking object v0.36.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking sys-locale v0.3.2
[INFO] [stderr]    Compiling roc_host v0.0.1 (/opt/rustwide/workdir/crates/roc_host)
[INFO] [stderr]     Checking roc_env v0.0.1 (https://github.com/growthagent/basic-cli.git#3a358314)
[INFO] [stderr]     Checking roc_crypto v0.0.1 (https://github.com/growthagent/basic-cli.git#3a358314)
[INFO] [stderr]     Checking roc_command v0.0.1 (https://github.com/growthagent/basic-cli.git#3a358314)
[INFO] [stderr]     Checking roc_stdio v0.0.1 (https://github.com/growthagent/basic-cli.git#3a358314)
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking tokio v1.31.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking roc_sqlite v0.0.1 (https://github.com/growthagent/basic-cli.git#3a358314)
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking roc_http v0.0.1 (https://github.com/growthagent/basic-cli.git#3a358314)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:120:55
[INFO] [stdout]     |
[INFO] [stdout] 120 |   ) -> Result<hyper::Response<hyper::Body>, Infallible> {
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout] 121 | |     match AssertUnwindSafe(fut).catch_unwind().await {
[INFO] [stdout] 122 | |         Ok(response) => Ok(response),
[INFO] [stdout] 123 | |         Err(_panic) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | | }
[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<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:120:55
[INFO] [stdout]     |
[INFO] [stdout] 120 |   ) -> Result<hyper::Response<hyper::Body>, Infallible> {
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout] 121 | |     match AssertUnwindSafe(fut).catch_unwind().await {
[INFO] [stdout] 122 | |         Ok(response) => Ok(response),
[INFO] [stdout] 123 | |         Err(_panic) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | /     match AssertUnwindSafe(fut).catch_unwind().await {
[INFO] [stdout] 122 | |         Ok(response) => Ok(response),
[INFO] [stdout] 123 | |         Err(_panic) => {
[INFO] [stdout] 124 | |             let error = hyper::Response::builder()
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:122:25
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(response) => Ok(response),
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |           Err(_panic) => {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 124 | |             let error = hyper::Response::builder()
[INFO] [stdout] 125 | |                 .status(hyper::StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 126 | |                 .body("Panic detected!".into())
[INFO] [stdout] ...   |
[INFO] [stdout] 129 | |             Ok(error)
[INFO] [stdout] 130 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Ok(error)
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@crates/roc_host/src/http_server.rs:141:56: 141:61}, Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:140:97
[INFO] [stdout]     |
[INFO] [stdout] 140 |       let server = hyper::Server::bind(&addr).serve(hyper::service::make_service_fn(|_conn| async {
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 141 | |         Ok::<_, Infallible>(hyper::service::service_fn(|req| {
[INFO] [stdout] 142 | |             handle_panics(handle_req(req))
[INFO] [stdout] 143 | |         }))
[INFO] [stdout] 144 | |     }));
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@crates/roc_host/src/http_server.rs:141:56: 141:61}, Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 | /         Ok::<_, Infallible>(hyper::service::service_fn(|req| {
[INFO] [stdout] 142 | |             handle_panics(handle_req(req))
[INFO] [stdout] 143 | |         }))
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roc_host` (lib test) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:120:55
[INFO] [stdout]     |
[INFO] [stdout] 120 |   ) -> Result<hyper::Response<hyper::Body>, Infallible> {
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout] 121 | |     match AssertUnwindSafe(fut).catch_unwind().await {
[INFO] [stdout] 122 | |         Ok(response) => Ok(response),
[INFO] [stdout] 123 | |         Err(_panic) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | | }
[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<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:120:55
[INFO] [stdout]     |
[INFO] [stdout] 120 |   ) -> Result<hyper::Response<hyper::Body>, Infallible> {
[INFO] [stdout]     |  _______________________________________________________^
[INFO] [stdout] 121 | |     match AssertUnwindSafe(fut).catch_unwind().await {
[INFO] [stdout] 122 | |         Ok(response) => Ok(response),
[INFO] [stdout] 123 | |         Err(_panic) => {
[INFO] [stdout] ...   |
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | /     match AssertUnwindSafe(fut).catch_unwind().await {
[INFO] [stdout] 122 | |         Ok(response) => Ok(response),
[INFO] [stdout] 123 | |         Err(_panic) => {
[INFO] [stdout] 124 | |             let error = hyper::Response::builder()
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:122:25
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Ok(response) => Ok(response),
[INFO] [stdout]     |                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |           Err(_panic) => {
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 124 | |             let error = hyper::Response::builder()
[INFO] [stdout] 125 | |                 .status(hyper::StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 126 | |                 .body("Panic detected!".into())
[INFO] [stdout] ...   |
[INFO] [stdout] 129 | |             Ok(error)
[INFO] [stdout] 130 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |             Ok(error)
[INFO] [stdout]     |             ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@crates/roc_host/src/http_server.rs:141:56: 141:61}, Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:140:97
[INFO] [stdout]     |
[INFO] [stdout] 140 |       let server = hyper::Server::bind(&addr).serve(hyper::service::make_service_fn(|_conn| async {
[INFO] [stdout]     |  _________________________________________________________________________________________________^
[INFO] [stdout] 141 | |         Ok::<_, Infallible>(hyper::service::service_fn(|req| {
[INFO] [stdout] 142 | |             handle_panics(handle_req(req))
[INFO] [stdout] 143 | |         }))
[INFO] [stdout] 144 | |     }));
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<hyper::service::util::ServiceFn<{closure@crates/roc_host/src/http_server.rs:141:56: 141:61}, Body>, Infallible>
[INFO] [stdout]    --> crates/roc_host/src/http_server.rs:141:9
[INFO] [stdout]     |
[INFO] [stdout] 141 | /         Ok::<_, Infallible>(hyper::service::service_fn(|req| {
[INFO] [stdout] 142 | |             handle_panics(handle_req(req))
[INFO] [stdout] 143 | |         }))
[INFO] [stdout]     | |___________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `roc_host` (lib) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "1556749b4c959b93e736820c591cdb0726560d8d33e2a48bef0ae863f8fc33a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1556749b4c959b93e736820c591cdb0726560d8d33e2a48bef0ae863f8fc33a4", kill_on_drop: false }`
[INFO] [stdout] 1556749b4c959b93e736820c591cdb0726560d8d33e2a48bef0ae863f8fc33a4
