[INFO] fetching crate krakenrs 6.3.2...
[INFO] checking krakenrs-6.3.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate krakenrs 6.3.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate krakenrs 6.3.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate krakenrs 6.3.2
[INFO] tweaked toml for crates.io crate krakenrs 6.3.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate krakenrs 6.3.2 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 krakenrs 6.3.2 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-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] 3cbc66c92056dabd9e571c8918de97ac682ac8da5b73d4e894a10d3a396a3f8b
[INFO] running `Command { std: "docker" "start" "-a" "3cbc66c92056dabd9e571c8918de97ac682ac8da5b73d4e894a10d3a396a3f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cbc66c92056dabd9e571c8918de97ac682ac8da5b73d4e894a10d3a396a3f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbc66c92056dabd9e571c8918de97ac682ac8da5b73d4e894a10d3a396a3f8b", kill_on_drop: false }`
[INFO] [stdout] 3cbc66c92056dabd9e571c8918de97ac682ac8da5b73d4e894a10d3a396a3f8b
[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] 9effd34ba17ed1ac1e1ac09f8431f87ce9f2d002ffd74f2f8c4b025f3001b03e
[INFO] running `Command { std: "docker" "start" "-a" "9effd34ba17ed1ac1e1ac09f8431f87ce9f2d002ffd74f2f8c4b025f3001b03e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.34
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[INFO] [stderr]     Checking krakenrs v6.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `pairs` is never read
[INFO] [stdout]   --> examples/ws/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Book { pairs: Vec<String> },
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pair` is never read
[INFO] [stdout]   --> examples/ws/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Ohlc { pair: String },
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pair` is never read
[INFO] [stdout]   --> examples/ws/mod.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Trades { pair: String },
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `order_ids` is never read
[INFO] [stdout]   --> examples/kraken.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     QueryOrders { order_ids: Vec<String> },
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (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]   --> examples/ws/mod.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     Book { pairs: Vec<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<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     Ohlc { pair: String },
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:43:14
[INFO] [stdout]    |
[INFO] [stdout] 43 |     Trades { pair: String },
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |     MarketBuy { volume: String, pair: String },
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 |     MarketBuy { volume: String, pair: String },
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:55:18
[INFO] [stdout]    |
[INFO] [stdout] 55 |     MarketSell { volume: String, pair: String },
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |     MarketSell { volume: String, pair: String },
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         volume: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         pair: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         price: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |         volume: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         pair: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         price: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/ws/mod.rs:72:19
[INFO] [stdout]    |
[INFO] [stdout] 72 |     CancelOrder { id: String },
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     AssetPairs { pairs: Vec<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<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Ticker { pairs: Vec<String> },
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         pair: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         since: Option<String>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     RecentTrades { pair: String, since: Option<String> },
[INFO] [stdout]    |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 |     RecentTrades { pair: String, since: Option<String> },
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |     GetTradeVolume { pairs: Vec<String> },
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |     QueryOrders { order_ids: Vec<String> },
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:62:19
[INFO] [stdout]    |
[INFO] [stdout] 62 |     CancelOrder { id: String },
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |     MarketBuy { volume: String, pair: String },
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:68:33
[INFO] [stdout]    |
[INFO] [stdout] 68 |     MarketBuy { volume: String, pair: String },
[INFO] [stdout]    |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |     MarketSell { volume: String, pair: String },
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:70:34
[INFO] [stdout]    |
[INFO] [stdout] 70 |     MarketSell { volume: String, pair: String },
[INFO] [stdout]    |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |         volume: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         pair: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 |         price: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |         volume: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |         pair: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> examples/kraken.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         price: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `krakenrs` (example "kraken-feed") due to 14 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `krakenrs` (example "kraken") due to 19 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "9effd34ba17ed1ac1e1ac09f8431f87ce9f2d002ffd74f2f8c4b025f3001b03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9effd34ba17ed1ac1e1ac09f8431f87ce9f2d002ffd74f2f8c4b025f3001b03e", kill_on_drop: false }`
[INFO] [stdout] 9effd34ba17ed1ac1e1ac09f8431f87ce9f2d002ffd74f2f8c4b025f3001b03e
