[INFO] cloning repository https://github.com/martcpp/livechat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martcpp/livechat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartcpp%2Flivechat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartcpp%2Flivechat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af3631e3f139b22714d3dc665a77acff3de87588
[INFO] checking martcpp/livechat 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%2Fmartcpp%2Flivechat" "/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/martcpp/livechat
[INFO] finished tweaking git repo https://github.com/martcpp/livechat
[INFO] tweaked toml for git repo https://github.com/martcpp/livechat written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/martcpp/livechat 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/martcpp/livechat 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] [stderr]     Blocking waiting for file lock on package cache
[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] 1b51c1ef4ddff6ab1182cabc642dc6b3f7413416fa14c110aa865a251fd3fc89
[INFO] running `Command { std: "docker" "start" "-a" "1b51c1ef4ddff6ab1182cabc642dc6b3f7413416fa14c110aa865a251fd3fc89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b51c1ef4ddff6ab1182cabc642dc6b3f7413416fa14c110aa865a251fd3fc89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b51c1ef4ddff6ab1182cabc642dc6b3f7413416fa14c110aa865a251fd3fc89", kill_on_drop: false }`
[INFO] [stdout] 1b51c1ef4ddff6ab1182cabc642dc6b3f7413416fa14c110aa865a251fd3fc89
[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] d05f2e7fd0ee70851d2436fd0cd05d823169e8c5ddec380a1aea06b37ad4c34a
[INFO] running `Command { std: "docker" "start" "-a" "d05f2e7fd0ee70851d2436fd0cd05d823169e8c5ddec380a1aea06b37ad4c34a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking flagset v0.4.5
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]     Checking data-encoding v2.6.0
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking either v1.12.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking castaway v0.2.2
[INFO] [stderr]     Checking anstyle-query v1.1.0
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]     Checking compact_str v0.7.1
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking ed25519 v2.2.3
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
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[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indexmap v2.2.6
[INFO] [stderr]     Checking lru v0.12.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking unicode-truncate v1.0.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling der_derive v0.7.2
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling strum_macros v0.26.3
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]    Compiling stability v0.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking ed25519-dalek v2.1.1
[INFO] [stderr]     Checking strum v0.26.2
[INFO] [stderr]     Checking ratatui v0.26.3
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]     Checking x509-cert v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking polyproto v0.9.0
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-tungstenite v0.21.0
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking hyper v0.14.29
[INFO] [stderr]     Checking warp v0.3.7
[INFO] [stderr]     Checking livechat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/handler.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CustomRejection(&'static str);
[INFO] [stdout]   |        --------------- ^^^^^^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `CustomRejection` 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] warning: function `main` is never used
[INFO] [stdout]   --> src/ploytest.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ed25519Signature` is never constructed
[INFO] [stdout]   --> src/ploytest.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct Ed25519Signature {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ed25519PrivateKey` is never constructed
[INFO] [stdout]    --> src/ploytest.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 | struct Ed25519PrivateKey {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `gen_keypair` is never used
[INFO] [stdout]    --> src/ploytest.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl Ed25519PrivateKey {
[INFO] [stdout]     | ---------------------- associated function in this implementation
[INFO] [stdout] 173 |     // Let's also define a handy method to generate a key pair.
[INFO] [stdout] 174 |     pub fn gen_keypair(csprng: &mut OsRng) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ed25519PublicKey` is never constructed
[INFO] [stdout]    --> src/ploytest.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct Ed25519PublicKey {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Event, Infallible>
[INFO] [stdout]   --> src/handler.rs:70:37
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 Ok(message) => Some(Ok::<Event, Infallible>(Event::default().data(message))),
[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 `livechat` (lib test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/handler.rs:9:24
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct CustomRejection(&'static str);
[INFO] [stdout]   |        --------------- ^^^^^^^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `CustomRejection` 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] warning: function `main` is never used
[INFO] [stdout]   --> src/ploytest.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ed25519Signature` is never constructed
[INFO] [stdout]   --> src/ploytest.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct Ed25519Signature {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ed25519PrivateKey` is never constructed
[INFO] [stdout]    --> src/ploytest.rs:146:8
[INFO] [stdout]     |
[INFO] [stdout] 146 | struct Ed25519PrivateKey {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `gen_keypair` is never used
[INFO] [stdout]    --> src/ploytest.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 172 | impl Ed25519PrivateKey {
[INFO] [stdout]     | ---------------------- associated function in this implementation
[INFO] [stdout] 173 |     // Let's also define a handy method to generate a key pair.
[INFO] [stdout] 174 |     pub fn gen_keypair(csprng: &mut OsRng) -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ed25519PublicKey` is never constructed
[INFO] [stdout]    --> src/ploytest.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct Ed25519PublicKey {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Event, Infallible>
[INFO] [stdout]   --> src/handler.rs:70:37
[INFO] [stdout]    |
[INFO] [stdout] 70 |                 Ok(message) => Some(Ok::<Event, Infallible>(Event::default().data(message))),
[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 `livechat` (lib) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d05f2e7fd0ee70851d2436fd0cd05d823169e8c5ddec380a1aea06b37ad4c34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d05f2e7fd0ee70851d2436fd0cd05d823169e8c5ddec380a1aea06b37ad4c34a", kill_on_drop: false }`
[INFO] [stdout] d05f2e7fd0ee70851d2436fd0cd05d823169e8c5ddec380a1aea06b37ad4c34a
