[INFO] updating cached repository emailnjv/rust_spread_calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/emailnjv/rust_spread_calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/emailnjv/rust_spread_calculator" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/emailnjv/rust_spread_calculator"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/emailnjv/rust_spread_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/emailnjv/rust_spread_calculator" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/emailnjv/rust_spread_calculator"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/emailnjv/rust_spread_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51d31e5768bf63c81c86240ca10440ae49081f35
[INFO] sha for GitHub repo emailnjv/rust_spread_calculator: 51d31e5768bf63c81c86240ca10440ae49081f35
[INFO] validating manifest of emailnjv/rust_spread_calculator on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of emailnjv/rust_spread_calculator on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing emailnjv/rust_spread_calculator
[INFO] finished frobbing emailnjv/rust_spread_calculator
[INFO] frobbed toml for emailnjv/rust_spread_calculator written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/emailnjv/rust_spread_calculator/Cargo.toml
[INFO] started frobbing emailnjv/rust_spread_calculator
[INFO] finished frobbing emailnjv/rust_spread_calculator
[INFO] frobbed toml for emailnjv/rust_spread_calculator written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/emailnjv/rust_spread_calculator/Cargo.toml
[INFO] crate emailnjv/rust_spread_calculator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking emailnjv/rust_spread_calculator against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/emailnjv/rust_spread_calculator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3ff4f9b9ae9588c7c523b5c0771fad396e55a31c9439b7a08424fe0bc463a9d9
[INFO] running `"docker" "start" "-a" "3ff4f9b9ae9588c7c523b5c0771fad396e55a31c9439b7a08424fe0bc463a9d9"`
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking ws v0.7.9
[INFO] [stderr]     Checking spread_bot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `serde_json::Value`
[INFO] [stderr]  --> src/lib/json_structs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde_json::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `connect`
[INFO] [stderr]  --> src/lib/client_structs.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ws::{connect, CloseCode, Handler, Handshake, Message, Result, Sender};
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::Value`
[INFO] [stderr]  --> src/lib/json_structs.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde_json::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `connect`
[INFO] [stderr]  --> src/lib/client_structs.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ws::{connect, CloseCode, Handler, Handshake, Message, Result, Sender};
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `requests`
[INFO] [stderr]   --> src/lib/mod.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn fetch_order_books(requests: Vec<String>) {
[INFO] [stderr]    |                      ^^^^^^^^ help: consider prefixing with an underscore: `_requests`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `orderbook_request`
[INFO] [stderr]   --> src/lib/client_structs.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         for orderbook_request in orderbook_request_vector.iter() {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_orderbook_request`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `requests`
[INFO] [stderr]   --> src/lib/mod.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn fetch_order_books(requests: Vec<String>) {
[INFO] [stderr]    |                      ^^^^^^^^ help: consider prefixing with an underscore: `_requests`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `orderbook_request`
[INFO] [stderr]   --> src/lib/client_structs.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         for orderbook_request in orderbook_request_vector.iter() {
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_orderbook_request`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch_order_books`
[INFO] [stderr]   --> src/lib/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn fetch_order_books(requests: Vec<String>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `baseCurrency` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub baseCurrency: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `base_currency`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `instrumentName` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub instrumentName: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `instrument_name`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `isActive` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub isActive: bool,
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `is_active`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `minTradeSize` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub minTradeSize: f64,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `min_trade_size`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `pricePrecision` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub pricePrecision: u128,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `price_precision`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `tickSize` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub tickSize: f64,
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `tick_size`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `settlementPrice` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub settlementPrice: f64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settlement_price`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `uPx` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub uPx: f64,
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `u_px`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `uIx` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub uIx: String,
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `u_ix`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `iR` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub iR: i64,
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `i_r`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `markIv` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub markIv: i64,
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `mark_iv`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `askIv` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub askIv: f64,
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `ask_iv`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `bidIv` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub bidIv: f64
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `bid_iv`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fetch_order_books`
[INFO] [stderr]   --> src/lib/mod.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn fetch_order_books(requests: Vec<String>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `baseCurrency` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub baseCurrency: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `base_currency`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `instrumentName` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub instrumentName: String,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `instrument_name`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `isActive` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub isActive: bool,
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `is_active`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `minTradeSize` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub minTradeSize: f64,
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `min_trade_size`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `pricePrecision` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub pricePrecision: u128,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `price_precision`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `tickSize` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub tickSize: f64,
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `tick_size`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `settlementPrice` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub settlementPrice: f64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `settlement_price`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `uPx` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub uPx: f64,
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `u_px`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `uIx` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub uIx: String,
[INFO] [stderr]    |         ^^^ help: convert the identifier to snake case: `u_ix`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `iR` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub iR: i64,
[INFO] [stderr]    |         ^^ help: convert the identifier to snake case: `i_r`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `markIv` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub markIv: i64,
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `mark_iv`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `askIv` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     pub askIv: f64,
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `ask_iv`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `bidIv` should have a snake case name
[INFO] [stderr]   --> src/lib/json_structs.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub bidIv: f64
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `bid_iv`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `"docker" "inspect" "3ff4f9b9ae9588c7c523b5c0771fad396e55a31c9439b7a08424fe0bc463a9d9"`
[INFO] running `"docker" "rm" "-f" "3ff4f9b9ae9588c7c523b5c0771fad396e55a31c9439b7a08424fe0bc463a9d9"`
[INFO] [stdout] 3ff4f9b9ae9588c7c523b5c0771fad396e55a31c9439b7a08424fe0bc463a9d9