[INFO] fetching crate occams-rpc-stream 0.2.0...
[INFO] checking occams-rpc-stream-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate occams-rpc-stream 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate occams-rpc-stream 0.2.0
[INFO] finished tweaking crates.io crate occams-rpc-stream 0.2.0
[INFO] tweaked toml for crates.io crate occams-rpc-stream 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate occams-rpc-stream 0.2.0 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 crates.io crate occams-rpc-stream 0.2.0 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b4659347c7e3b8be58d8b968437595095ba25f7913014d7671dbdf975f98c24d
[INFO] running `Command { std: "docker" "start" "-a" "b4659347c7e3b8be58d8b968437595095ba25f7913014d7671dbdf975f98c24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4659347c7e3b8be58d8b968437595095ba25f7913014d7671dbdf975f98c24d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4659347c7e3b8be58d8b968437595095ba25f7913014d7671dbdf975f98c24d", kill_on_drop: false }`
[INFO] [stdout] b4659347c7e3b8be58d8b968437595095ba25f7913014d7671dbdf975f98c24d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e31681a974d71ed97af105420304c9955b5259aa1a573b2b7125cb42248cddd1
[INFO] running `Command { std: "docker" "start" "-a" "e31681a974d71ed97af105420304c9955b5259aa1a573b2b7125cb42248cddd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling zerocopy v0.8.27
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking log v0.4.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking iana-time-zone v0.1.64
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking tokio v1.48.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking flate2 v1.1.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking parking_lot_core v0.6.3
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking close_fds v0.3.2
[INFO] [stderr]     Checking file-rotate v0.8.0
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking atomic-waitgroup v0.1.3
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling occams-rpc-stream-macros v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]    Compiling zerocopy-derive v0.8.27
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling strum_macros v0.27.2
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling enum_dispatch v0.3.13
[INFO] [stderr]    Compiling captains-log-helper v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking crossfire v2.1.6
[INFO] [stderr]     Checking captains-log v0.15.2
[INFO] [stderr]     Checking sync-utils v0.1.4
[INFO] [stderr]     Checking fail v0.5.1
[INFO] [stderr]     Checking io-buffer v1.0.3
[INFO] [stderr]     Checking occams-rpc-core v0.2.0
[INFO] [stderr]     Checking occams-rpc-stream v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `get_healthy_workers` is never used
[INFO] [stdout]    --> src/client/pool.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | impl<F: ClientFacts, P: ClientTransport> ClientPoolInner<F, P> {
[INFO] [stdout]     | -------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn get_healthy_workers(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/server/server.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   "0.0.0.0:0".parse().unwrap()
[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: method `get_healthy_workers` is never used
[INFO] [stdout]    --> src/client/pool.rs:169:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | impl<F: ClientFacts, P: ClientTransport> ClientPoolInner<F, P> {
[INFO] [stdout]     | -------------------------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 169 |     fn get_healthy_workers(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `occams-rpc-stream` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/server/server.rs:53:29
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...                   "0.0.0.0:0".parse().unwrap()
[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 `occams-rpc-stream` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e31681a974d71ed97af105420304c9955b5259aa1a573b2b7125cb42248cddd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31681a974d71ed97af105420304c9955b5259aa1a573b2b7125cb42248cddd1", kill_on_drop: false }`
[INFO] [stdout] e31681a974d71ed97af105420304c9955b5259aa1a573b2b7125cb42248cddd1
