[INFO] cloning repository https://github.com/audunhalland/hyper_std_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/audunhalland/hyper_std_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudunhalland%2Fhyper_std_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faudunhalland%2Fhyper_std_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] eafb1c4c6f4e8a983728ad8bdeed0a02cac2f493 [INFO] checking audunhalland/hyper_std_test 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%2Faudunhalland%2Fhyper_std_test" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/audunhalland/hyper_std_test [INFO] finished tweaking git repo https://github.com/audunhalland/hyper_std_test [INFO] tweaked toml for git repo https://github.com/audunhalland/hyper_std_test written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/audunhalland/hyper_std_test 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/audunhalland/hyper_std_test 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] 6c32ec8f940e5acefa82211549a888e1c0b0a93e8534a5893883ec79a275203d [INFO] running `Command { std: "docker" "start" "-a" "6c32ec8f940e5acefa82211549a888e1c0b0a93e8534a5893883ec79a275203d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6c32ec8f940e5acefa82211549a888e1c0b0a93e8534a5893883ec79a275203d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c32ec8f940e5acefa82211549a888e1c0b0a93e8534a5893883ec79a275203d", kill_on_drop: false }` [INFO] [stdout] 6c32ec8f940e5acefa82211549a888e1c0b0a93e8534a5893883ec79a275203d [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] 84acbd21723dc1332cdf6e18ad051c531b1f1aba302a147106a28839e405b16a [INFO] running `Command { std: "docker" "start" "-a" "84acbd21723dc1332cdf6e18ad051c531b1f1aba302a147106a28839e405b16a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Checking tracing-core v0.1.7 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Checking crossbeam-epoch v0.8.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking tower-service v0.3.0-alpha.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking http v0.1.19 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Checking futures-timer v1.0.3 [INFO] [stderr] Checking async-macros v1.0.0 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking once_cell v1.2.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking async-std v1.0.1 [INFO] [stderr] Checking tokio-sync v0.2.0-alpha.6 [INFO] [stderr] Checking http-body v0.2.0-alpha.3 [INFO] [stderr] Compiling pin-project-internal v0.4.5 [INFO] [stderr] Compiling tracing-attributes v0.1.5 [INFO] [stderr] Compiling tokio-macros v0.2.0-alpha.6 [INFO] [stderr] Checking tracing v0.1.10 [INFO] [stderr] Checking tokio-executor v0.2.0-alpha.6 [INFO] [stderr] Checking pin-project v0.4.5 [INFO] [stderr] Checking tokio-io v0.2.0-alpha.6 [INFO] [stderr] Checking tokio-timer v0.3.0-alpha.6 [INFO] [stderr] Checking tokio-codec v0.2.0-alpha.6 [INFO] [stderr] Checking tower-make v0.3.0-alpha.2a [INFO] [stderr] Checking tokio-net v0.2.0-alpha.6 [INFO] [stderr] Checking h2 v0.2.0-alpha.3 [INFO] [stderr] Checking tokio v0.2.0-alpha.6 [INFO] [stderr] Checking hyper v0.13.0-alpha.4 [INFO] [stderr] Checking hyper_std_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `hyper_std_test` (bin "hyper_std_test") due to 5 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, Infallible> [INFO] [stdout] --> src/main.rs:8:72 [INFO] [stdout] | [INFO] [stdout] 8 | async fn hello(_: Request) -> Result, Infallible> { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 9 | | Ok(Response::new(Body::from("Hello World!"))) [INFO] [stdout] 10 | | } [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:8:72 [INFO] [stdout] | [INFO] [stdout] 8 | async fn hello(_: Request) -> Result, Infallible> { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 9 | | Ok(Response::new(Body::from("Hello World!"))) [INFO] [stdout] 10 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Ok(Response::new(Body::from("Hello World!"))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {hello}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | async { [INFO] [stdout] | _______________^ [INFO] [stdout] 20 | | Ok::<_, Infallible>(service_fn(hello)) [INFO] [stdout] 21 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {hello}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | Ok::<_, Infallible>(service_fn(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:8:72 [INFO] [stdout] | [INFO] [stdout] 8 | async fn hello(_: Request) -> Result, Infallible> { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 9 | | Ok(Response::new(Body::from("Hello World!"))) [INFO] [stdout] 10 | | } [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:8:72 [INFO] [stdout] | [INFO] [stdout] 8 | async fn hello(_: Request) -> Result, Infallible> { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 9 | | Ok(Response::new(Body::from("Hello World!"))) [INFO] [stdout] 10 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Ok(Response::new(Body::from("Hello World!"))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {hello}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | async { [INFO] [stdout] | _______________^ [INFO] [stdout] 20 | | Ok::<_, Infallible>(service_fn(hello)) [INFO] [stdout] 21 | | } [INFO] [stdout] | |_________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result) -> impl Future, Infallible>> {hello}, Body>, Infallible> [INFO] [stdout] --> src/main.rs:20:13 [INFO] [stdout] | [INFO] [stdout] 20 | Ok::<_, Infallible>(service_fn(hello)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `hyper_std_test` (bin "hyper_std_test" test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "84acbd21723dc1332cdf6e18ad051c531b1f1aba302a147106a28839e405b16a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84acbd21723dc1332cdf6e18ad051c531b1f1aba302a147106a28839e405b16a", kill_on_drop: false }` [INFO] [stdout] 84acbd21723dc1332cdf6e18ad051c531b1f1aba302a147106a28839e405b16a