[INFO] cloning repository https://github.com/alvin677/rocketserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvin677/rocketserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvin677%2Frocketserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvin677%2Frocketserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8220e8d13665f9808054d4b8b4054810b22d2de
[INFO] checking alvin677/rocketserver 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%2Falvin677%2Frocketserver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/alvin677/rocketserver
[INFO] finished tweaking git repo https://github.com/alvin677/rocketserver
[INFO] tweaked toml for git repo https://github.com/alvin677/rocketserver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/alvin677/rocketserver 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 174 packages to latest compatible versions
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 4ee3098c338e4a808a44cbfa10a3488dc5253a287cc0e62d1f555daaa5f99dd4
[INFO] running `Command { std: "docker" "start" "-a" "4ee3098c338e4a808a44cbfa10a3488dc5253a287cc0e62d1f555daaa5f99dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ee3098c338e4a808a44cbfa10a3488dc5253a287cc0e62d1f555daaa5f99dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee3098c338e4a808a44cbfa10a3488dc5253a287cc0e62d1f555daaa5f99dd4", kill_on_drop: false }`
[INFO] [stdout] 4ee3098c338e4a808a44cbfa10a3488dc5253a287cc0e62d1f555daaa5f99dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8839d9bf063bd70d7e94bd7a6ce5f05aa1e600c29545fd2c72c78bd7d07ecce8
[INFO] running `Command { std: "docker" "start" "-a" "8839d9bf063bd70d7e94bd7a6ce5f05aa1e600c29545fd2c72c78bd7d07ecce8", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling ref-cast v1.0.25
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]    Compiling rocket v0.5.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.23.0
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]     Checking cookie v0.18.1
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling devise_core v0.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling pear_codegen v0.2.9
[INFO] [stderr]    Compiling ref-cast-impl v1.0.25
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling devise_codegen v0.4.2
[INFO] [stderr]    Compiling pear v0.2.9
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]    Compiling devise v0.4.2
[INFO] [stderr]    Compiling rocket_http v0.5.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling rocket_codegen v0.5.1
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking uncased v0.9.10
[INFO] [stderr]     Checking ubyte v0.10.4
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking tokio-util v0.7.17
[INFO] [stderr]     Checking tokio-stream v0.1.17
[INFO] [stderr]     Checking figment v0.10.19
[INFO] [stderr]     Checking h2 v0.3.27
[INFO] [stderr]     Checking multer v3.1.0
[INFO] [stderr]     Checking roserv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]  --> src/api/greet.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn hello(name: &str, age: u8) -> String {
[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<&str, Infallible>
[INFO] [stdout]  --> src/api/greet.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn hello(name: &str, age: u8) -> String {
[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 `roserv` (bin "roserv" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `roserv` (bin "roserv") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8839d9bf063bd70d7e94bd7a6ce5f05aa1e600c29545fd2c72c78bd7d07ecce8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8839d9bf063bd70d7e94bd7a6ce5f05aa1e600c29545fd2c72c78bd7d07ecce8", kill_on_drop: false }`
[INFO] [stdout] 8839d9bf063bd70d7e94bd7a6ce5f05aa1e600c29545fd2c72c78bd7d07ecce8