[INFO] updating cached repository https://github.com/emailnjv/rust_spread_calculator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51d31e5768bf63c81c86240ca10440ae49081f35
[INFO] testing emailnjv/rust_spread_calculator against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Femailnjv%2Frust_spread_calculator" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emailnjv/rust_spread_calculator on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/emailnjv/rust_spread_calculator
[INFO] finished tweaking git repo https://github.com/emailnjv/rust_spread_calculator
[INFO] tweaked toml for git repo https://github.com/emailnjv/rust_spread_calculator written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/emailnjv/rust_spread_calculator already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] ad433bb094c1bc90673b3f0c3117dc8c7bf615d086b47f241ca9f4afc6cc9377
[INFO] running `"docker" "start" "-a" "ad433bb094c1bc90673b3f0c3117dc8c7bf615d086b47f241ca9f4afc6cc9377"`
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling openssl-sys v0.9.39
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling ws v0.7.9
[INFO] [stderr]    Compiling spread_bot v0.1.0 (/opt/rustwide/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 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]     Finished dev [unoptimized + debuginfo] target(s) in 37.32s
[INFO] running `"docker" "inspect" "ad433bb094c1bc90673b3f0c3117dc8c7bf615d086b47f241ca9f4afc6cc9377"`
[INFO] running `"docker" "rm" "-f" "ad433bb094c1bc90673b3f0c3117dc8c7bf615d086b47f241ca9f4afc6cc9377"`
[INFO] [stdout] ad433bb094c1bc90673b3f0c3117dc8c7bf615d086b47f241ca9f4afc6cc9377
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 100ca372a278a8abea16e3b04b8686c8b282596081dccc4b1d21929e9790c317
[INFO] running `"docker" "start" "-a" "100ca372a278a8abea16e3b04b8686c8b282596081dccc4b1d21929e9790c317"`
[INFO] [stderr]    Compiling spread_bot v0.1.0 (/opt/rustwide/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 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]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "100ca372a278a8abea16e3b04b8686c8b282596081dccc4b1d21929e9790c317"`
[INFO] running `"docker" "rm" "-f" "100ca372a278a8abea16e3b04b8686c8b282596081dccc4b1d21929e9790c317"`
[INFO] [stdout] 100ca372a278a8abea16e3b04b8686c8b282596081dccc4b1d21929e9790c317
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] f841281d2861b5577a1be411b42ad661d4f7d0539e14da90c0062a26e8184edf
[INFO] running `"docker" "start" "-a" "f841281d2861b5577a1be411b42ad661d4f7d0539e14da90c0062a26e8184edf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spread_bot-e3a74c1771c7be6b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f841281d2861b5577a1be411b42ad661d4f7d0539e14da90c0062a26e8184edf"`
[INFO] running `"docker" "rm" "-f" "f841281d2861b5577a1be411b42ad661d4f7d0539e14da90c0062a26e8184edf"`
[INFO] [stdout] f841281d2861b5577a1be411b42ad661d4f7d0539e14da90c0062a26e8184edf