[INFO] fetching crate multer 3.1.0...
[INFO] checking multer-3.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate multer 3.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate multer 3.1.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate multer 3.1.0
[INFO] tweaked toml for crates.io crate multer 3.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate multer 3.1.0 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 multer 3.1.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 68255546de09dfc38a3a8a871440fb79ef064a1edcff70deec21fa509d844cf1
[INFO] running `Command { std: "docker" "start" "-a" "68255546de09dfc38a3a8a871440fb79ef064a1edcff70deec21fa509d844cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68255546de09dfc38a3a8a871440fb79ef064a1edcff70deec21fa509d844cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68255546de09dfc38a3a8a871440fb79ef064a1edcff70deec21fa509d844cf1", kill_on_drop: false }`
[INFO] [stdout] 68255546de09dfc38a3a8a871440fb79ef064a1edcff70deec21fa509d844cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d723c083ceb8969a2923cf2dd54a070c599b54ac4cc36010f5d0b194f570c6d7
[INFO] running `Command { std: "docker" "start" "-a" "d723c083ceb8969a2923cf2dd54a070c599b54ac4cc36010f5d0b194f570c6d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking smallvec v1.11.2
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling multer v3.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking http v1.0.0
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking http-body-util v0.1.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 | #![cfg_attr(nightly, feature(doc_cfg))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]     Checking tokio v1.35.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking h2 v0.4.0
[INFO] [stderr]     Checking hyper v1.0.1
[INFO] [stderr]     Checking hyper-util v0.1.1
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, Infallible>
[INFO] [stdout]   --> examples/prevent_dos_attack.rs:56:25
[INFO] [stdout]    |
[INFO] [stdout] 56 |             .map(|part| Ok(Bytes::copy_from_slice(part.as_bytes()))),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `nightly`
[INFO] [stdout]    --> src/lib.rs:119:13
[INFO] [stdout]     |
[INFO] [stdout] 119 | #![cfg_attr(nightly, feature(doc_cfg))]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(nightly)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(nightly)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> examples/hyper_server_example.rs:11:86
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn handle(req: Request<Incoming>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  ______________________________________________________________________________________^
[INFO] [stdout] 12 | |     // Extract the `multipart/form-data` boundary from the headers.
[INFO] [stdout] 13 | |     let boundary = req
[INFO] [stdout] 14 | |         .headers()
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     Ok(Response::new(Full::from("Success")))
[INFO] [stdout] 36 | | }
[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 `multer` (example "prevent_dos_attack") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> examples/hyper_server_example.rs:11:86
[INFO] [stdout]    |
[INFO] [stdout] 11 |   async fn handle(req: Request<Incoming>) -> Result<Response<Full<Bytes>>, Infallible> {
[INFO] [stdout]    |  ______________________________________________________________________________________^
[INFO] [stdout] 12 | |     // Extract the `multipart/form-data` boundary from the headers.
[INFO] [stdout] 13 | |     let boundary = req
[INFO] [stdout] 14 | |         .headers()
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     Ok(Response::new(Full::from("Success")))
[INFO] [stdout] 36 | | }
[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<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> examples/hyper_server_example.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 |           return Ok(Response::builder()
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 22 | |             .status(StatusCode::BAD_REQUEST)
[INFO] [stdout] 23 | |             .body(Full::from("BAD REQUEST"))
[INFO] [stdout] 24 | |             .unwrap());
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multer` (example "hyper_server_example") due to 5 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> examples/hyper_server_example.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |           return Ok(Response::builder()
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 30 | |             .status(StatusCode::INTERNAL_SERVER_ERROR)
[INFO] [stdout] 31 | |             .body(Full::from(format!("INTERNAL SERVER ERROR: {}", err)))
[INFO] [stdout] 32 | |             .unwrap());
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<http_body_util::Full<bytes::Bytes>>, Infallible>
[INFO] [stdout]   --> examples/hyper_server_example.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Ok(Response::new(Full::from("Success")))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `multer` (example "simple_example") due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<bytes::Bytes, Infallible>
[INFO] [stdout]   --> examples/simple_example.rs:41:25
[INFO] [stdout]    |
[INFO] [stdout] 41 |             .map(|part| Ok(Bytes::copy_from_slice(part.as_bytes()))),
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d723c083ceb8969a2923cf2dd54a070c599b54ac4cc36010f5d0b194f570c6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d723c083ceb8969a2923cf2dd54a070c599b54ac4cc36010f5d0b194f570c6d7", kill_on_drop: false }`
[INFO] [stdout] d723c083ceb8969a2923cf2dd54a070c599b54ac4cc36010f5d0b194f570c6d7
