[INFO] cloning repository https://github.com/yuichiroaoki/rocket-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yuichiroaoki/rocket-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuichiroaoki%2Frocket-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyuichiroaoki%2Frocket-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72918198cbdcf116585b546aa6a470c6ca84dcb8
[INFO] checking yuichiroaoki/rocket-server 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%2Fyuichiroaoki%2Frocket-server" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yuichiroaoki/rocket-server
[INFO] finished tweaking git repo https://github.com/yuichiroaoki/rocket-server
[INFO] tweaked toml for git repo https://github.com/yuichiroaoki/rocket-server written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yuichiroaoki/rocket-server 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/yuichiroaoki/rocket-server 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7601fb6cf33e340b2fabba360e9b72f099187b32d7d7c95ae05bc15df6ac3745
[INFO] running `Command { std: "docker" "start" "-a" "7601fb6cf33e340b2fabba360e9b72f099187b32d7d7c95ae05bc15df6ac3745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7601fb6cf33e340b2fabba360e9b72f099187b32d7d7c95ae05bc15df6ac3745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7601fb6cf33e340b2fabba360e9b72f099187b32d7d7c95ae05bc15df6ac3745", kill_on_drop: false }`
[INFO] [stdout] 7601fb6cf33e340b2fabba360e9b72f099187b32d7d7c95ae05bc15df6ac3745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 00fd07861bab59e383b5c40513b3dd5898cfd23ac4eb1eeb946e7b3c1af94b9b
[INFO] running `Command { std: "docker" "start" "-a" "00fd07861bab59e383b5c40513b3dd5898cfd23ac4eb1eeb946e7b3c1af94b9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling tracing-core v0.1.19
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling httpdate v1.0.1
[INFO] [stderr]     Checking inlinable_string v0.1.14
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling figment v0.10.6
[INFO] [stderr]    Compiling multer v2.0.1
[INFO] [stderr]    Compiling state v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]    Compiling rocket v0.5.0-rc.1
[INFO] [stderr]     Checking twoway v0.2.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling devise_core v0.3.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking pear v0.2.3
[INFO] [stderr]    Compiling http-body v0.4.3
[INFO] [stderr]    Compiling devise_codegen v0.3.1
[INFO] [stderr]    Compiling devise v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ubyte v0.10.1
[INFO] [stderr]     Checking h2 v0.3.4
[INFO] [stderr]     Checking hyper v0.14.12
[INFO] [stderr]     Checking rocket_http v0.5.0-rc.1
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.1
[INFO] [stderr]     Checking rocket-server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `fingerprint`, `location`, and `age` are never read
[INFO] [stdout]   --> src/read_json.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct User {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 11 |     fingerprint: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     location: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 13 |     age: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> src/main.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn wave(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] warning: fields `fingerprint`, `location`, and `age` are never read
[INFO] [stdout]   --> src/read_json.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct User {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 11 |     fingerprint: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 12 |     location: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 13 |     age: u8,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rocket-server` (bin "rocket-server" test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] error: this type will no longer be must used: Result<&str, Infallible>
[INFO] [stdout]   --> src/main.rs:66:15
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn wave(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] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rocket-server` (bin "rocket-server") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "00fd07861bab59e383b5c40513b3dd5898cfd23ac4eb1eeb946e7b3c1af94b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00fd07861bab59e383b5c40513b3dd5898cfd23ac4eb1eeb946e7b3c1af94b9b", kill_on_drop: false }`
[INFO] [stdout] 00fd07861bab59e383b5c40513b3dd5898cfd23ac4eb1eeb946e7b3c1af94b9b
