[INFO] crate fxoanda 0.1.0 is already in cache
[INFO] extracting crate fxoanda 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/fxoanda/0.1.0
[INFO] extracting crate fxoanda 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fxoanda/0.1.0
[INFO] validating manifest of fxoanda-0.1.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fxoanda-0.1.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fxoanda-0.1.0
[INFO] finished frobbing fxoanda-0.1.0
[INFO] frobbed toml for fxoanda-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/fxoanda/0.1.0/Cargo.toml
[INFO] started frobbing fxoanda-0.1.0
[INFO] finished frobbing fxoanda-0.1.0
[INFO] frobbed toml for fxoanda-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fxoanda/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fxoanda-0.1.0 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fxoanda/0.1.0:/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 222359013e53634cf383a35036f95e8b1a4d808fb4e22a8f4b9506812748c044
[INFO] running `"docker" "start" "-a" "222359013e53634cf383a35036f95e8b1a4d808fb4e22a8f4b9506812748c044"`
[INFO] [stderr]    Compiling fxoanda_serdes v0.1.0
[INFO] [stderr]    Compiling fxoanda_definitions v0.1.0
[INFO] [stderr]    Compiling fxoanda v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]  --> src/account.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use chrono::prelude::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]  --> src/account.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use fxoanda_serdes::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:285:9
[INFO] [stderr]     |
[INFO] [stderr] 285 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:445:9
[INFO] [stderr]     |
[INFO] [stderr] 445 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:738:9
[INFO] [stderr]     |
[INFO] [stderr] 738 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:740:9
[INFO] [stderr]     |
[INFO] [stderr] 740 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:965:9
[INFO] [stderr]     |
[INFO] [stderr] 965 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:1118:9
[INFO] [stderr]      |
[INFO] [stderr] 1118 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:1120:9
[INFO] [stderr]      |
[INFO] [stderr] 1120 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:1292:9
[INFO] [stderr]      |
[INFO] [stderr] 1292 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:1294:9
[INFO] [stderr]      |
[INFO] [stderr] 1294 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:1510:9
[INFO] [stderr]      |
[INFO] [stderr] 1510 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:1512:9
[INFO] [stderr]      |
[INFO] [stderr] 1512 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:1716:9
[INFO] [stderr]      |
[INFO] [stderr] 1716 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:1718:9
[INFO] [stderr]      |
[INFO] [stderr] 1718 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2014:9
[INFO] [stderr]      |
[INFO] [stderr] 2014 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2016:9
[INFO] [stderr]      |
[INFO] [stderr] 2016 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2135:9
[INFO] [stderr]      |
[INFO] [stderr] 2135 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2137:9
[INFO] [stderr]      |
[INFO] [stderr] 2137 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2293:9
[INFO] [stderr]      |
[INFO] [stderr] 2293 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2295:9
[INFO] [stderr]      |
[INFO] [stderr] 2295 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2450:9
[INFO] [stderr]      |
[INFO] [stderr] 2450 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2452:9
[INFO] [stderr]      |
[INFO] [stderr] 2452 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2604:9
[INFO] [stderr]      |
[INFO] [stderr] 2604 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2795:9
[INFO] [stderr]      |
[INFO] [stderr] 2795 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2797:9
[INFO] [stderr]      |
[INFO] [stderr] 2797 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_definitions::*`
[INFO] [stderr]     --> src/account.rs:2976:9
[INFO] [stderr]      |
[INFO] [stderr] 2976 |     use fxoanda_definitions::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:3238:9
[INFO] [stderr]      |
[INFO] [stderr] 3238 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:3240:9
[INFO] [stderr]      |
[INFO] [stderr] 3240 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:3410:9
[INFO] [stderr]      |
[INFO] [stderr] 3410 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:3412:9
[INFO] [stderr]      |
[INFO] [stderr] 3412 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:3605:9
[INFO] [stderr]      |
[INFO] [stderr] 3605 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:3607:9
[INFO] [stderr]      |
[INFO] [stderr] 3607 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:3774:9
[INFO] [stderr]      |
[INFO] [stderr] 3774 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:3776:9
[INFO] [stderr]      |
[INFO] [stderr] 3776 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:4159:9
[INFO] [stderr]      |
[INFO] [stderr] 4159 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:4161:9
[INFO] [stderr]      |
[INFO] [stderr] 4161 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:4692:9
[INFO] [stderr]      |
[INFO] [stderr] 4692 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:4694:9
[INFO] [stderr]      |
[INFO] [stderr] 4694 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:4900:9
[INFO] [stderr]      |
[INFO] [stderr] 4900 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:4902:9
[INFO] [stderr]      |
[INFO] [stderr] 4902 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5108:9
[INFO] [stderr]      |
[INFO] [stderr] 5108 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5110:9
[INFO] [stderr]      |
[INFO] [stderr] 5110 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5316:9
[INFO] [stderr]      |
[INFO] [stderr] 5316 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5318:9
[INFO] [stderr]      |
[INFO] [stderr] 5318 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5541:9
[INFO] [stderr]      |
[INFO] [stderr] 5541 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5543:9
[INFO] [stderr]      |
[INFO] [stderr] 5543 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5696:9
[INFO] [stderr]      |
[INFO] [stderr] 5696 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5698:9
[INFO] [stderr]      |
[INFO] [stderr] 5698 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5872:9
[INFO] [stderr]      |
[INFO] [stderr] 5872 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5874:9
[INFO] [stderr]      |
[INFO] [stderr] 5874 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:6119:9
[INFO] [stderr]      |
[INFO] [stderr] 6119 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:6121:9
[INFO] [stderr]      |
[INFO] [stderr] 6121 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:6315:9
[INFO] [stderr]      |
[INFO] [stderr] 6315 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:6317:9
[INFO] [stderr]      |
[INFO] [stderr] 6317 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:113:24
[INFO] [stderr]     |
[INFO] [stderr] 113 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:254:24
[INFO] [stderr]     |
[INFO] [stderr] 254 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:412:24
[INFO] [stderr]     |
[INFO] [stderr] 412 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:650:24
[INFO] [stderr]     |
[INFO] [stderr] 650 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:929:24
[INFO] [stderr]     |
[INFO] [stderr] 929 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1087:24
[INFO] [stderr]      |
[INFO] [stderr] 1087 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1259:24
[INFO] [stderr]      |
[INFO] [stderr] 1259 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1450:24
[INFO] [stderr]      |
[INFO] [stderr] 1450 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1673:24
[INFO] [stderr]      |
[INFO] [stderr] 1673 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1909:24
[INFO] [stderr]      |
[INFO] [stderr] 1909 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2107:24
[INFO] [stderr]      |
[INFO] [stderr] 2107 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2261:24
[INFO] [stderr]      |
[INFO] [stderr] 2261 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2417:24
[INFO] [stderr]      |
[INFO] [stderr] 2417 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2573:24
[INFO] [stderr]      |
[INFO] [stderr] 2573 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2760:24
[INFO] [stderr]      |
[INFO] [stderr] 2760 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2934:24
[INFO] [stderr]      |
[INFO] [stderr] 2934 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3171:24
[INFO] [stderr]      |
[INFO] [stderr] 3171 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3378:24
[INFO] [stderr]      |
[INFO] [stderr] 3378 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3574:24
[INFO] [stderr]      |
[INFO] [stderr] 3574 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3743:24
[INFO] [stderr]      |
[INFO] [stderr] 3743 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3884:24
[INFO] [stderr]      |
[INFO] [stderr] 3884 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:4113:24
[INFO] [stderr]      |
[INFO] [stderr] 4113 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:4320:24
[INFO] [stderr]      |
[INFO] [stderr] 4320 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:4657:24
[INFO] [stderr]      |
[INFO] [stderr] 4657 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:4827:24
[INFO] [stderr]      |
[INFO] [stderr] 4827 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5035:24
[INFO] [stderr]      |
[INFO] [stderr] 5035 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5243:24
[INFO] [stderr]      |
[INFO] [stderr] 5243 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5507:24
[INFO] [stderr]      |
[INFO] [stderr] 5507 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5665:24
[INFO] [stderr]      |
[INFO] [stderr] 5665 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5837:24
[INFO] [stderr]      |
[INFO] [stderr] 5837 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:6039:24
[INFO] [stderr]      |
[INFO] [stderr] 6039 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:6273:24
[INFO] [stderr]      |
[INFO] [stderr] 6273 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:6496:24
[INFO] [stderr]      |
[INFO] [stderr] 6496 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instrument.rs:283:24
[INFO] [stderr]     |
[INFO] [stderr] 283 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instrument.rs:465:24
[INFO] [stderr]     |
[INFO] [stderr] 465 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instrument.rs:666:24
[INFO] [stderr]     |
[INFO] [stderr] 666 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instrument.rs:842:24
[INFO] [stderr]     |
[INFO] [stderr] 842 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/instrument.rs:1021:24
[INFO] [stderr]      |
[INFO] [stderr] 1021 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pricing.rs:134:24
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pricing.rs:332:24
[INFO] [stderr]     |
[INFO] [stderr] 332 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.48s
[INFO] running `"docker" "inspect" "222359013e53634cf383a35036f95e8b1a4d808fb4e22a8f4b9506812748c044"`
[INFO] running `"docker" "rm" "-f" "222359013e53634cf383a35036f95e8b1a4d808fb4e22a8f4b9506812748c044"`
[INFO] [stdout] 222359013e53634cf383a35036f95e8b1a4d808fb4e22a8f4b9506812748c044
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fxoanda/0.1.0:/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4fb5b7b4345b8ef2e493dd35e87e8430a0013ccf6e647885b466eff3c582597d
[INFO] running `"docker" "start" "-a" "4fb5b7b4345b8ef2e493dd35e87e8430a0013ccf6e647885b466eff3c582597d"`
[INFO] [stderr]    Compiling fxoanda v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]  --> src/account.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 |     use chrono::prelude::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]  --> src/account.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     use fxoanda_serdes::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:285:9
[INFO] [stderr]     |
[INFO] [stderr] 285 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:443:9
[INFO] [stderr]     |
[INFO] [stderr] 443 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:445:9
[INFO] [stderr]     |
[INFO] [stderr] 445 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:738:9
[INFO] [stderr]     |
[INFO] [stderr] 738 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:740:9
[INFO] [stderr]     |
[INFO] [stderr] 740 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]    --> src/account.rs:963:9
[INFO] [stderr]     |
[INFO] [stderr] 963 |     use chrono::prelude::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]    --> src/account.rs:965:9
[INFO] [stderr]     |
[INFO] [stderr] 965 |     use fxoanda_serdes::*;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:1118:9
[INFO] [stderr]      |
[INFO] [stderr] 1118 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:1120:9
[INFO] [stderr]      |
[INFO] [stderr] 1120 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:1292:9
[INFO] [stderr]      |
[INFO] [stderr] 1292 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:1294:9
[INFO] [stderr]      |
[INFO] [stderr] 1294 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:1510:9
[INFO] [stderr]      |
[INFO] [stderr] 1510 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:1512:9
[INFO] [stderr]      |
[INFO] [stderr] 1512 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:1716:9
[INFO] [stderr]      |
[INFO] [stderr] 1716 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:1718:9
[INFO] [stderr]      |
[INFO] [stderr] 1718 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2014:9
[INFO] [stderr]      |
[INFO] [stderr] 2014 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2016:9
[INFO] [stderr]      |
[INFO] [stderr] 2016 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2135:9
[INFO] [stderr]      |
[INFO] [stderr] 2135 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2137:9
[INFO] [stderr]      |
[INFO] [stderr] 2137 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2293:9
[INFO] [stderr]      |
[INFO] [stderr] 2293 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2295:9
[INFO] [stderr]      |
[INFO] [stderr] 2295 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2450:9
[INFO] [stderr]      |
[INFO] [stderr] 2450 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2452:9
[INFO] [stderr]      |
[INFO] [stderr] 2452 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2604:9
[INFO] [stderr]      |
[INFO] [stderr] 2604 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:2795:9
[INFO] [stderr]      |
[INFO] [stderr] 2795 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:2797:9
[INFO] [stderr]      |
[INFO] [stderr] 2797 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_definitions::*`
[INFO] [stderr]     --> src/account.rs:2976:9
[INFO] [stderr]      |
[INFO] [stderr] 2976 |     use fxoanda_definitions::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:3238:9
[INFO] [stderr]      |
[INFO] [stderr] 3238 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:3240:9
[INFO] [stderr]      |
[INFO] [stderr] 3240 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:3410:9
[INFO] [stderr]      |
[INFO] [stderr] 3410 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:3412:9
[INFO] [stderr]      |
[INFO] [stderr] 3412 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:3605:9
[INFO] [stderr]      |
[INFO] [stderr] 3605 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:3607:9
[INFO] [stderr]      |
[INFO] [stderr] 3607 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:3774:9
[INFO] [stderr]      |
[INFO] [stderr] 3774 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:3776:9
[INFO] [stderr]      |
[INFO] [stderr] 3776 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:4159:9
[INFO] [stderr]      |
[INFO] [stderr] 4159 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:4161:9
[INFO] [stderr]      |
[INFO] [stderr] 4161 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:4692:9
[INFO] [stderr]      |
[INFO] [stderr] 4692 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:4694:9
[INFO] [stderr]      |
[INFO] [stderr] 4694 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:4900:9
[INFO] [stderr]      |
[INFO] [stderr] 4900 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:4902:9
[INFO] [stderr]      |
[INFO] [stderr] 4902 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5108:9
[INFO] [stderr]      |
[INFO] [stderr] 5108 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5110:9
[INFO] [stderr]      |
[INFO] [stderr] 5110 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5316:9
[INFO] [stderr]      |
[INFO] [stderr] 5316 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5318:9
[INFO] [stderr]      |
[INFO] [stderr] 5318 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5541:9
[INFO] [stderr]      |
[INFO] [stderr] 5541 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5543:9
[INFO] [stderr]      |
[INFO] [stderr] 5543 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5696:9
[INFO] [stderr]      |
[INFO] [stderr] 5696 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5698:9
[INFO] [stderr]      |
[INFO] [stderr] 5698 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:5872:9
[INFO] [stderr]      |
[INFO] [stderr] 5872 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:5874:9
[INFO] [stderr]      |
[INFO] [stderr] 5874 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:6119:9
[INFO] [stderr]      |
[INFO] [stderr] 6119 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:6121:9
[INFO] [stderr]      |
[INFO] [stderr] 6121 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chrono::prelude::*`
[INFO] [stderr]     --> src/account.rs:6315:9
[INFO] [stderr]      |
[INFO] [stderr] 6315 |     use chrono::prelude::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fxoanda_serdes::*`
[INFO] [stderr]     --> src/account.rs:6317:9
[INFO] [stderr]      |
[INFO] [stderr] 6317 |     use fxoanda_serdes::*;
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:113:24
[INFO] [stderr]     |
[INFO] [stderr] 113 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:254:24
[INFO] [stderr]     |
[INFO] [stderr] 254 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:412:24
[INFO] [stderr]     |
[INFO] [stderr] 412 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:650:24
[INFO] [stderr]     |
[INFO] [stderr] 650 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/account.rs:929:24
[INFO] [stderr]     |
[INFO] [stderr] 929 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1087:24
[INFO] [stderr]      |
[INFO] [stderr] 1087 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1259:24
[INFO] [stderr]      |
[INFO] [stderr] 1259 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1450:24
[INFO] [stderr]      |
[INFO] [stderr] 1450 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1673:24
[INFO] [stderr]      |
[INFO] [stderr] 1673 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:1909:24
[INFO] [stderr]      |
[INFO] [stderr] 1909 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2107:24
[INFO] [stderr]      |
[INFO] [stderr] 2107 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2261:24
[INFO] [stderr]      |
[INFO] [stderr] 2261 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2417:24
[INFO] [stderr]      |
[INFO] [stderr] 2417 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2573:24
[INFO] [stderr]      |
[INFO] [stderr] 2573 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2760:24
[INFO] [stderr]      |
[INFO] [stderr] 2760 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:2934:24
[INFO] [stderr]      |
[INFO] [stderr] 2934 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3171:24
[INFO] [stderr]      |
[INFO] [stderr] 3171 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3378:24
[INFO] [stderr]      |
[INFO] [stderr] 3378 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3574:24
[INFO] [stderr]      |
[INFO] [stderr] 3574 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3743:24
[INFO] [stderr]      |
[INFO] [stderr] 3743 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:3884:24
[INFO] [stderr]      |
[INFO] [stderr] 3884 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:4113:24
[INFO] [stderr]      |
[INFO] [stderr] 4113 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:4320:24
[INFO] [stderr]      |
[INFO] [stderr] 4320 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:4657:24
[INFO] [stderr]      |
[INFO] [stderr] 4657 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:4827:24
[INFO] [stderr]      |
[INFO] [stderr] 4827 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5035:24
[INFO] [stderr]      |
[INFO] [stderr] 5035 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5243:24
[INFO] [stderr]      |
[INFO] [stderr] 5243 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5507:24
[INFO] [stderr]      |
[INFO] [stderr] 5507 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5665:24
[INFO] [stderr]      |
[INFO] [stderr] 5665 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:5837:24
[INFO] [stderr]      |
[INFO] [stderr] 5837 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:6039:24
[INFO] [stderr]      |
[INFO] [stderr] 6039 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:6273:24
[INFO] [stderr]      |
[INFO] [stderr] 6273 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/account.rs:6496:24
[INFO] [stderr]      |
[INFO] [stderr] 6496 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instrument.rs:283:24
[INFO] [stderr]     |
[INFO] [stderr] 283 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instrument.rs:465:24
[INFO] [stderr]     |
[INFO] [stderr] 465 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instrument.rs:666:24
[INFO] [stderr]     |
[INFO] [stderr] 666 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/instrument.rs:842:24
[INFO] [stderr]     |
[INFO] [stderr] 842 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/instrument.rs:1021:24
[INFO] [stderr]      |
[INFO] [stderr] 1021 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]      |                        ----^
[INFO] [stderr]      |                        |
[INFO] [stderr]      |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pricing.rs:134:24
[INFO] [stderr]     |
[INFO] [stderr] 134 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/pricing.rs:332:24
[INFO] [stderr]     |
[INFO] [stderr] 332 |                     Ok(mut j) => Ok(j),
[INFO] [stderr]     |                        ----^
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.16s
[INFO] running `"docker" "inspect" "4fb5b7b4345b8ef2e493dd35e87e8430a0013ccf6e647885b466eff3c582597d"`
[INFO] running `"docker" "rm" "-f" "4fb5b7b4345b8ef2e493dd35e87e8430a0013ccf6e647885b466eff3c582597d"`
[INFO] [stdout] 4fb5b7b4345b8ef2e493dd35e87e8430a0013ccf6e647885b466eff3c582597d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fxoanda/0.1.0:/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] b2b3fd6303eba3fca6f37eb6179eda93820cceb1f96265432bbd4196ef8291a4
[INFO] running `"docker" "start" "-a" "b2b3fd6303eba3fca6f37eb6179eda93820cceb1f96265432bbd4196ef8291a4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fxoanda-7e5a904c5cfee144
[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] [stderr]    Doc-tests fxoanda
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 16) ... FAILED
[INFO] [stdout] test src/lib.rs -  (line 10) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 16) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `env`
[INFO] [stdout]  --> src/lib.rs:19:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | let api_key = env::var("OANDA_KEY").expect("expected OANDA_KEY environment variable to be set");
[INFO] [stdout]   |               ^^^ use of undeclared type or module `env`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `env`
[INFO] [stdout]  --> src/lib.rs:20:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | let api_host = env::var("OANDA_HOST").expect("expected OANDA_HOST environment variable to be set");
[INFO] [stdout]   |                ^^^ use of undeclared type or module `env`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] thread 'src/lib.rs -  (line 16)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:319:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x7fbcb3a00823 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x7fbcb39f84cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x7fbcb39fca56 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x7fbcb39fc77e - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x7fbcb39fd248 - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55ce5c942784 - std::panicking::begin_panic::h2203228e86eb91b5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x55ce5c93868f - rustdoc::test::run_test::h29a20600da33f74f
[INFO] [stdout]                                at src/librustdoc/test.rs:319
[INFO] [stdout]    7:     0x55ce5c92c7c9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h84ad3bdb52e265e9
[INFO] [stdout]                                at src/librustdoc/test.rs:715
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]    8:     0x7fbcb4f83b7e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]    9:     0x7fbcb4f83b7e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   10:     0x7fbcb3a0e169 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   11:     0x7fbcb4f9ef87 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   12:     0x7fbcb4f789a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   13:     0x7fbcb4f7ca54 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   14:     0x7fbcb3a0e169 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   15:     0x7fbcb4f7d551 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   16:     0x7fbcb39df36e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   17:     0x7fbcb3a0cddf - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   18:     0x7fbcb35764a3 - start_thread
[INFO] [stdout]   19:     0x7fbcb30a1d0e - __clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 10) stdout ----
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found `install`
[INFO] [stdout]  --> src/lib.rs:11:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | cargo install fxoanda
[INFO] [stdout]   |       ^^^^^^^ expected one of 8 possible tokens here
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `cargo` in this scope
[INFO] [stdout]  --> src/lib.rs:11:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | cargo install fxoanda
[INFO] [stdout]   | ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] thread 'src/lib.rs -  (line 10)' panicked at 'couldn't compile the test', src/librustdoc/test.rs:319:13
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x7fbcb3a00823 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stdout]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stdout]    1:     0x7fbcb39f84cb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stdout]    2:     0x7fbcb39fca56 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]                                at src/libstd/panicking.rs:197
[INFO] [stdout]    3:     0x7fbcb39fc77e - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stdout]                                at src/libstd/panicking.rs:208
[INFO] [stdout]    4:     0x7fbcb39fd248 - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stdout]                                at src/libstd/panicking.rs:478
[INFO] [stdout]    5:     0x55ce5c942784 - std::panicking::begin_panic::h2203228e86eb91b5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408
[INFO] [stdout]    6:     0x55ce5c93868f - rustdoc::test::run_test::h29a20600da33f74f
[INFO] [stdout]                                at src/librustdoc/test.rs:319
[INFO] [stdout]    7:     0x55ce5c92c7c9 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h84ad3bdb52e265e9
[INFO] [stdout]                                at src/librustdoc/test.rs:715
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]    8:     0x7fbcb4f83b7e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]    9:     0x7fbcb4f83b7e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h6b004fa8f4fc1608
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   10:     0x7fbcb3a0e169 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   11:     0x7fbcb4f9ef87 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at src/libtest/lib.rs:1468
[INFO] [stdout]   12:     0x7fbcb4f789a4 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136
[INFO] [stdout]   13:     0x7fbcb4f7ca54 - std::panicking::try::do_call::h6f86e980b52f74d5
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293
[INFO] [stdout]   14:     0x7fbcb3a0e169 - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stdout]   15:     0x7fbcb4f7d551 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231
[INFO] [stdout]   16:     0x7fbcb39df36e - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h805c3cc89d534c05
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]   17:     0x7fbcb3a0cddf - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6
[INFO] [stdout]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   18:     0x7fbcb35764a3 - start_thread
[INFO] [stdout]   19:     0x7fbcb30a1d0e - __clone
[INFO] [stdout]   20:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 10)
[INFO] [stdout]     src/lib.rs -  (line 16)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "b2b3fd6303eba3fca6f37eb6179eda93820cceb1f96265432bbd4196ef8291a4"`
[INFO] running `"docker" "rm" "-f" "b2b3fd6303eba3fca6f37eb6179eda93820cceb1f96265432bbd4196ef8291a4"`
[INFO] [stdout] b2b3fd6303eba3fca6f37eb6179eda93820cceb1f96265432bbd4196ef8291a4