[INFO] cloning repository https://github.com/mad4j/scars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mad4j/scars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmad4j%2Fscars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmad4j%2Fscars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb6229fcf7aee279774c8b3c74d9aa1dee83d4cc
[INFO] checking mad4j/scars 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%2Fmad4j%2Fscars" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mad4j/scars
[INFO] finished tweaking git repo https://github.com/mad4j/scars
[INFO] tweaked toml for git repo https://github.com/mad4j/scars written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mad4j/scars 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/mad4j/scars 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6de97bf9a149e701cd6c0ee9d58efc4da90dd33a11bfa2c75913e2c4d4c056b0
[INFO] running `Command { std: "docker" "start" "-a" "6de97bf9a149e701cd6c0ee9d58efc4da90dd33a11bfa2c75913e2c4d4c056b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6de97bf9a149e701cd6c0ee9d58efc4da90dd33a11bfa2c75913e2c4d4c056b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de97bf9a149e701cd6c0ee9d58efc4da90dd33a11bfa2c75913e2c4d4c056b0", kill_on_drop: false }`
[INFO] [stdout] 6de97bf9a149e701cd6c0ee9d58efc4da90dd33a11bfa2c75913e2c4d4c056b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3b4c03862484ed0f26cf4ff6f296f2aece783241855b064b96e01c7cc28dbdea
[INFO] running `Command { std: "docker" "start" "-a" "3b4c03862484ed0f26cf4ff6f296f2aece783241855b064b96e01c7cc28dbdea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling multimap v0.10.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling prost-derive v0.12.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling prost v0.12.4
[INFO] [stderr]    Compiling prost-types v0.12.4
[INFO] [stderr]    Compiling prost-build v0.12.4
[INFO] [stderr]    Compiling tonic-build v0.11.0
[INFO] [stderr]    Compiling scars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.11.0
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/cf/file_server.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         request: Request<SizeOfRequest>
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/scars-ff8a59b18c165c28/out/file.rs:237:42
[INFO] [stdout]     |
[INFO] [stdout] 237 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 238 | |                         let inner = inner.0;
[INFO] [stdout] 239 | |                         let method = size_ofSvc(inner);
[INFO] [stdout] 240 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 251 | |                         Ok(res)
[INFO] [stdout] 252 | |                     };
[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::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/scars-ff8a59b18c165c28/out/file.rs:251:25
[INFO] [stdout]     |
[INFO] [stdout] 251 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/scars-ff8a59b18c165c28/out/file.rs:256:41
[INFO] [stdout]     |
[INFO] [stdout] 256 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 257 | |                         Ok(
[INFO] [stdout] 258 | |                             http::Response::builder()
[INFO] [stdout] 259 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 265 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/scars-ff8a59b18c165c28/out/file.rs:257:25
[INFO] [stdout]     |
[INFO] [stdout] 257 | /                         Ok(
[INFO] [stdout] 258 | |                             http::Response::builder()
[INFO] [stdout] 259 | |                                 .status(200)
[INFO] [stdout] 260 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 263 | |                                 .unwrap(),
[INFO] [stdout] 264 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scars` (bin "file-server") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `request`
[INFO] [stdout]   --> src/cf/file_server.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         request: Request<SizeOfRequest>
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/scars-ff8a59b18c165c28/out/file.rs:237:42
[INFO] [stdout]     |
[INFO] [stdout] 237 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 238 | |                         let inner = inner.0;
[INFO] [stdout] 239 | |                         let method = size_ofSvc(inner);
[INFO] [stdout] 240 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 251 | |                         Ok(res)
[INFO] [stdout] 252 | |                     };
[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::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/scars-ff8a59b18c165c28/out/file.rs:251:25
[INFO] [stdout]     |
[INFO] [stdout] 251 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/scars-ff8a59b18c165c28/out/file.rs:256:41
[INFO] [stdout]     |
[INFO] [stdout] 256 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 257 | |                         Ok(
[INFO] [stdout] 258 | |                             http::Response::builder()
[INFO] [stdout] 259 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 265 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/scars-ff8a59b18c165c28/out/file.rs:257:25
[INFO] [stdout]     |
[INFO] [stdout] 257 | /                         Ok(
[INFO] [stdout] 258 | |                             http::Response::builder()
[INFO] [stdout] 259 | |                                 .status(200)
[INFO] [stdout] 260 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 263 | |                                 .unwrap(),
[INFO] [stdout] 264 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scars` (bin "file-server" test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3b4c03862484ed0f26cf4ff6f296f2aece783241855b064b96e01c7cc28dbdea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4c03862484ed0f26cf4ff6f296f2aece783241855b064b96e01c7cc28dbdea", kill_on_drop: false }`
[INFO] [stdout] 3b4c03862484ed0f26cf4ff6f296f2aece783241855b064b96e01c7cc28dbdea
