[INFO] cloning repository https://github.com/abusch/st-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abusch/st-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabusch%2Fst-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabusch%2Fst-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57547ba230137acd8e890547e26c69002a3e308c
[INFO] checking abusch/st-rust/57547ba230137acd8e890547e26c69002a3e308c against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabusch%2Fst-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abusch/st-rust on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abusch/st-rust
[INFO] finished tweaking git repo https://github.com/abusch/st-rust
[INFO] tweaked toml for git repo https://github.com/abusch/st-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/abusch/st-rust 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twox-hash v1.6.2
[INFO] [stderr]   Downloaded prost v0.10.0
[INFO] [stderr]   Downloaded prost-types v0.10.0
[INFO] [stderr]   Downloaded prost-derive v0.10.0
[INFO] [stderr]   Downloaded pem v1.0.2
[INFO] [stderr]   Downloaded lz4_flex v0.9.2
[INFO] [stderr]   Downloaded prost-build v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4516f77d0c903c3a8f0be50fb1f3f55a92418bd7cdf7e76d24fc92bdf4d21af1
[INFO] running `Command { std: "docker" "start" "-a" "4516f77d0c903c3a8f0be50fb1f3f55a92418bd7cdf7e76d24fc92bdf4d21af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4516f77d0c903c3a8f0be50fb1f3f55a92418bd7cdf7e76d24fc92bdf4d21af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4516f77d0c903c3a8f0be50fb1f3f55a92418bd7cdf7e76d24fc92bdf4d21af1", kill_on_drop: false }`
[INFO] [stdout] 4516f77d0c903c3a8f0be50fb1f3f55a92418bd7cdf7e76d24fc92bdf4d21af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf5310c85e43a126a9e6a51bd56a844539ba50f3679ac43afbad6b2b4a1704b5
[INFO] running `Command { std: "docker" "start" "-a" "cf5310c85e43a126a9e6a51bd56a844539ba50f3679ac43afbad6b2b4a1704b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]     Checking tracing-core v0.1.24
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking twox-hash v1.6.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rustls-pemfile v0.3.0
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling which v4.2.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking lz4_flex v0.9.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking pem v1.0.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking directories v4.0.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling prost-build v0.10.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.10
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]    Compiling prost-derive v0.10.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling prost v0.10.0
[INFO] [stderr]    Compiling prost-types v0.10.0
[INFO] [stderr]    Compiling st-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-rustls v0.23.3
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stdout] warning: method `device` is never used
[INFO] [stdout]   --> src/config.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Configuration {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 36 |    pub fn device(&self, id: &DeviceId) -> Option<DeviceConfiguration> {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/protocol/connection/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ConnectionHandle {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 28 |     model: Arc<Model>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `config_cluster` is never used
[INFO] [stdout]    --> src/protocol/connection/mod.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl ConnectionHandle {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub async fn config_cluster(&self) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `client_name`, and `client_version` are never read
[INFO] [stdout]   --> src/model.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Model {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     id: DeviceId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     cfg: Configuration,
[INFO] [stdout] 15 |     client_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     client_version: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `device` is never used
[INFO] [stdout]   --> src/config.rs:36:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl Configuration {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 36 |    pub fn device(&self, id: &DeviceId) -> Option<DeviceConfiguration> {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `model` is never read
[INFO] [stdout]   --> src/protocol/connection/mod.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct ConnectionHandle {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 28 |     model: Arc<Model>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `config_cluster` is never used
[INFO] [stdout]    --> src/protocol/connection/mod.rs:127:18
[INFO] [stdout]     |
[INFO] [stdout] 34  | impl ConnectionHandle {
[INFO] [stdout]     | --------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub async fn config_cluster(&self) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `client_name`, and `client_version` are never read
[INFO] [stdout]   --> src/model.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Model {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 13 |     id: DeviceId,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 14 |     cfg: Configuration,
[INFO] [stdout] 15 |     client_name: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     client_version: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.53s
[INFO] running `Command { std: "docker" "inspect" "cf5310c85e43a126a9e6a51bd56a844539ba50f3679ac43afbad6b2b4a1704b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5310c85e43a126a9e6a51bd56a844539ba50f3679ac43afbad6b2b4a1704b5", kill_on_drop: false }`
[INFO] [stdout] cf5310c85e43a126a9e6a51bd56a844539ba50f3679ac43afbad6b2b4a1704b5