[INFO] cloning repository https://github.com/yskszk63/halo-world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yskszk63/halo-world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fhalo-world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyskszk63%2Fhalo-world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b2c665fa4376ae64a96f03a25dd4432d26c92864
[INFO] checking yskszk63/halo-world 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%2Fyskszk63%2Fhalo-world" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yskszk63/halo-world
[INFO] finished tweaking git repo https://github.com/yskszk63/halo-world
[INFO] tweaked toml for git repo https://github.com/yskszk63/halo-world written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yskszk63/halo-world 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/yskszk63/halo-world 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8c29e603e8b647b23f630959e52ceca4c82924f05cc45e0b8e0a6906eb027d4f
[INFO] running `Command { std: "docker" "start" "-a" "8c29e603e8b647b23f630959e52ceca4c82924f05cc45e0b8e0a6906eb027d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c29e603e8b647b23f630959e52ceca4c82924f05cc45e0b8e0a6906eb027d4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c29e603e8b647b23f630959e52ceca4c82924f05cc45e0b8e0a6906eb027d4f", kill_on_drop: false }`
[INFO] [stdout] 8c29e603e8b647b23f630959e52ceca4c82924f05cc45e0b8e0a6906eb027d4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3fa6910638cec524b758234df61805e6c7f46fbf9a2a8b17204528d716d97db3
[INFO] running `Command { std: "docker" "start" "-a" "3fa6910638cec524b758234df61805e6c7f46fbf9a2a8b17204528d716d97db3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking halo-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:9:74
[INFO] [stdout]    |
[INFO] [stdout]  9 |   async fn halo(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 10 | |     Ok(Response::new(Body::from("😇")))
[INFO] [stdout] 11 | | }
[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]   --> src/main.rs:9:74
[INFO] [stdout]    |
[INFO] [stdout]  9 |   async fn halo(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 10 | |     Ok(Response::new(Body::from("😇")))
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Ok(Response::new(Body::from("😇")))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `halo-world` (bin "halo-world") due to 3 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]   --> src/main.rs:9:74
[INFO] [stdout]    |
[INFO] [stdout]  9 |   async fn halo(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 10 | |     Ok(Response::new(Body::from("😇")))
[INFO] [stdout] 11 | | }
[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]   --> src/main.rs:9:74
[INFO] [stdout]    |
[INFO] [stdout]  9 |   async fn halo(_req: Request<Body>) -> Result<Response<Body>, Infallible> {
[INFO] [stdout]    |  __________________________________________________________________________^
[INFO] [stdout] 10 | |     Ok(Response::new(Body::from("😇")))
[INFO] [stdout] 11 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Response<Body>, Infallible>
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Ok(Response::new(Body::from("😇")))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `halo-world` (bin "halo-world" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3fa6910638cec524b758234df61805e6c7f46fbf9a2a8b17204528d716d97db3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa6910638cec524b758234df61805e6c7f46fbf9a2a8b17204528d716d97db3", kill_on_drop: false }`
[INFO] [stdout] 3fa6910638cec524b758234df61805e6c7f46fbf9a2a8b17204528d716d97db3