[INFO] fetching crate multipart-stream 0.1.2... [INFO] checking multipart-stream-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate multipart-stream 0.1.2 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate multipart-stream 0.1.2 [INFO] finished tweaking crates.io crate multipart-stream 0.1.2 [INFO] tweaked toml for crates.io crate multipart-stream 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate multipart-stream 0.1.2 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 crates.io crate multipart-stream 0.1.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 07a023ead861b9fbcfda06a08463ba79123f284e46b77ae0f581820168738027 [INFO] running `Command { std: "docker" "start" "-a" "07a023ead861b9fbcfda06a08463ba79123f284e46b77ae0f581820168738027", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07a023ead861b9fbcfda06a08463ba79123f284e46b77ae0f581820168738027", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07a023ead861b9fbcfda06a08463ba79123f284e46b77ae0f581820168738027", kill_on_drop: false }` [INFO] [stdout] 07a023ead861b9fbcfda06a08463ba79123f284e46b77ae0f581820168738027 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2841903a504ce4b996fdf7a818a0bf46ec20c1aac6f63748db13fb5763962e97 [INFO] running `Command { std: "docker" "start" "-a" "2841903a504ce4b996fdf7a818a0bf46ec20c1aac6f63748db13fb5763962e97", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking futures-sink v0.3.14 [INFO] [stderr] Checking futures-core v0.3.14 [INFO] [stderr] Checking slab v0.4.3 [INFO] [stderr] Checking futures-task v0.3.14 [INFO] [stderr] Checking futures-io v0.3.14 [INFO] [stderr] Compiling httparse v1.4.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking httpdate v1.0.0 [INFO] [stderr] Checking futures-channel v0.3.14 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Checking http-body v0.4.1 [INFO] [stderr] Compiling futures-macro v0.3.14 [INFO] [stderr] Compiling pin-project-internal v1.0.7 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking futures-util v0.3.14 [INFO] [stderr] Checking pin-project v1.0.7 [INFO] [stderr] Checking futures-executor v0.3.14 [INFO] [stderr] Checking hyper v0.14.7 [INFO] [stderr] Checking futures v0.3.14 [INFO] [stderr] Checking multipart-stream v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> examples/server.rs:22:24 [INFO] [stdout] | [INFO] [stdout] 22 | _ => Some((Ok::<_, std::convert::Infallible>(part), state + 1)), [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 `multipart-stream` (example "server") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parser.rs:330:33 [INFO] [stdout] | [INFO] [stdout] 330 | .map(|c: &[u8]| Ok(Bytes::from(c))) [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 [INFO] [stdout] --> src/serializer.rs:126:43 [INFO] [stdout] | [INFO] [stdout] 126 | let input = futures::stream::iter(vec![ [INFO] [stdout] | ___________________________________________^ [INFO] [stdout] 127 | | Ok::<_, std::convert::Infallible>(Part { [INFO] [stdout] 128 | | headers: HeaderMap::new(), [INFO] [stdout] 129 | | body: "foo".into(), [INFO] [stdout] ... | [INFO] [stdout] 134 | | }), [INFO] [stdout] 135 | | ]); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/serializer.rs:126:43 [INFO] [stdout] | [INFO] [stdout] 126 | let input = futures::stream::iter(vec![ [INFO] [stdout] | ___________________________________________^ [INFO] [stdout] 127 | | Ok::<_, std::convert::Infallible>(Part { [INFO] [stdout] 128 | | headers: HeaderMap::new(), [INFO] [stdout] 129 | | body: "foo".into(), [INFO] [stdout] ... | [INFO] [stdout] 134 | | }), [INFO] [stdout] 135 | | ]); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/serializer.rs:127:13 [INFO] [stdout] | [INFO] [stdout] 127 | / Ok::<_, std::convert::Infallible>(Part { [INFO] [stdout] 128 | | headers: HeaderMap::new(), [INFO] [stdout] 129 | | body: "foo".into(), [INFO] [stdout] 130 | | }), [INFO] [stdout] | |______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/serializer.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | / Ok::<_, std::convert::Infallible>(Part { [INFO] [stdout] 132 | | headers: HeaderMap::new(), [INFO] [stdout] 133 | | body: "bar".into(), [INFO] [stdout] 134 | | }), [INFO] [stdout] | |______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/serializer.rs:136:25 [INFO] [stdout] | [INFO] [stdout] 136 | let collected = collect(serialize(input, "b")).await.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/serializer.rs:136:56 [INFO] [stdout] | [INFO] [stdout] 136 | let collected = collect(serialize(input, "b")).await.unwrap(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/serializer.rs:136:25 [INFO] [stdout] | [INFO] [stdout] 136 | let collected = collect(serialize(input, "b")).await.unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:49:58 [INFO] [stdout] | [INFO] [stdout] 49 | futures::stream::iter(input.clone()).map(|p| Ok::<_, std::convert::Infallible>(p)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `multipart-stream` (lib test) due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "2841903a504ce4b996fdf7a818a0bf46ec20c1aac6f63748db13fb5763962e97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2841903a504ce4b996fdf7a818a0bf46ec20c1aac6f63748db13fb5763962e97", kill_on_drop: false }` [INFO] [stdout] 2841903a504ce4b996fdf7a818a0bf46ec20c1aac6f63748db13fb5763962e97