[INFO] cloning repository https://github.com/fellenbrais1/sixth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fellenbrais1/sixth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffellenbrais1%2Fsixth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffellenbrais1%2Fsixth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf21b6fd633762837b5ec8baec9c27cad572d832
[INFO] checking fellenbrais1/sixth against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffellenbrais1%2Fsixth" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fellenbrais1/sixth on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fellenbrais1/sixth
[INFO] finished tweaking git repo https://github.com/fellenbrais1/sixth
[INFO] tweaked toml for git repo https://github.com/fellenbrais1/sixth written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fellenbrais1/sixth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/overlay2/1c6732a46f5a63dac6b6f965d8b675cd35c3339cae74daf37ff81ee6e609c8d9-init/.tmp-lower4073450860: no space left on device
[INFO] checking fellenbrais1/sixth against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffellenbrais1%2Fsixth" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fellenbrais1/sixth on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fellenbrais1/sixth
[INFO] finished tweaking git repo https://github.com/fellenbrais1/sixth
[INFO] tweaked toml for git repo https://github.com/fellenbrais1/sixth written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fellenbrais1/sixth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/f5578ee2ac04eeba65e4be4a24f963e298e497afaf86617dd450175c74aa4816-init: no space left on device
[INFO] checking fellenbrais1/sixth against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffellenbrais1%2Fsixth" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fellenbrais1/sixth on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fellenbrais1/sixth
[INFO] finished tweaking git repo https://github.com/fellenbrais1/sixth
[INFO] tweaked toml for git repo https://github.com/fellenbrais1/sixth written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fellenbrais1/sixth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7e38981182dcfd3c15776d3afe31d6fbcd942e8c16d6cea52672cceafd95a5f
[INFO] running `Command { std: "docker" "start" "-a" "e7e38981182dcfd3c15776d3afe31d6fbcd942e8c16d6cea52672cceafd95a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7e38981182dcfd3c15776d3afe31d6fbcd942e8c16d6cea52672cceafd95a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e38981182dcfd3c15776d3afe31d6fbcd942e8c16d6cea52672cceafd95a5f", kill_on_drop: false }`
[INFO] [stdout] e7e38981182dcfd3c15776d3afe31d6fbcd942e8c16d6cea52672cceafd95a5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf36d5ccf478c5f5546cb91f286c9e6a569d625d87b830c87963b0237f5ef488
[INFO] running `Command { std: "docker" "start" "-a" "cf36d5ccf478c5f5546cb91f286c9e6a569d625d87b830c87963b0237f5ef488", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.14
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling cc v1.1.24
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling pretty v0.12.3
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking ic0 v0.23.0
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking whoami v1.5.2
[INFO] [stderr]    Compiling psm v0.1.23
[INFO] [stderr]    Compiling stacker v0.1.17
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling candid_derive v0.6.6
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling binread v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking ic_principal v0.1.1
[INFO] [stderr]     Checking blob v0.3.0
[INFO] [stderr]    Compiling serde_tokenstream v0.2.2
[INFO] [stderr]     Checking candid v0.10.10
[INFO] [stderr]    Compiling ic-cdk-macros v0.16.0
[INFO] [stderr]     Checking ic-cdk v0.16.0
[INFO] [stderr]     Checking ic-cdk-timers v0.10.0
[INFO] [stderr]     Checking sixth_backend v0.1.0 (/opt/rustwide/workdir/src/sixth_backend)
[INFO] [stdout] warning: unused variable: `timer_object`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let timer_object: TimerObject = TimerObject {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer_object`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transfer_amount`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut transfer_amount: Tokens = INITIAL_TRANSFER_AMOUNT;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transfer_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transfer_fee`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut transfer_fee: Tokens = INITIAL_TRANSFER_FEE;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transfer_fee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `minter_account`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let minter_account: Account = Account { 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_minter_account`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json_array`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let json_array: [JsonRecord; 2] = [
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_json_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json_record_keys`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let json_record_keys = ["proton_account", "ic_principal", "amount", "date_time"];
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_json_record_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_send_object`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let current_send_object: SendInfo = SendInfo {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_send_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut transfer_amount: Tokens = INITIAL_TRANSFER_AMOUNT;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut transfer_fee: Tokens = INITIAL_TRANSFER_FEE;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Subaccount` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | type Subaccount = Blob;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Timestamp` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | type Timestamp = u64;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BlockIndex` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | type BlockIndex = u64;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Time` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Time = u64;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `timer_object`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     let timer_object: TimerObject = TimerObject {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_timer_object`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transfer_amount`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut transfer_amount: Tokens = INITIAL_TRANSFER_AMOUNT;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transfer_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transfer_fee`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:175:13
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut transfer_fee: Tokens = INITIAL_TRANSFER_FEE;
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transfer_fee`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `minter_account`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:182:9
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let minter_account: Account = Account { 
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_minter_account`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json_array`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:202:9
[INFO] [stdout]     |
[INFO] [stdout] 202 |     let json_array: [JsonRecord; 2] = [
[INFO] [stdout]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_json_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `json_record_keys`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let json_record_keys = ["proton_account", "ic_principal", "amount", "date_time"];
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_json_record_keys`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_send_object`
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:209:9
[INFO] [stdout]     |
[INFO] [stdout] 209 |     let current_send_object: SendInfo = SendInfo {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_send_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let mut transfer_amount: Tokens = INITIAL_TRANSFER_AMOUNT;
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut transfer_fee: Tokens = INITIAL_TRANSFER_FEE;
[INFO] [stdout]     |         ----^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Subaccount` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | type Subaccount = Blob;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Tokens` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:18:6
[INFO] [stdout]    |
[INFO] [stdout] 18 | type Tokens = u64;
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Timestamp` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:19:6
[INFO] [stdout]    |
[INFO] [stdout] 19 | type Timestamp = u64;
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BlockIndex` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | type BlockIndex = u64;
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Time` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:23:6
[INFO] [stdout]    |
[INFO] [stdout] 23 | type Time = u64;
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INITIAL_TRANSFER_AMOUNT` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const INITIAL_TRANSFER_AMOUNT: Tokens = 50000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INITIAL_TRANSFER_FEE` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const INITIAL_TRANSFER_FEE: Tokens = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INITIAL_TO_PRINCIPAL_STRING` is never used
[INFO] [stdout]   --> src/sixth_backend/src/lib.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const INITIAL_TO_PRINCIPAL_STRING: &str = "tog4r-6yoqs-piw5o-askmx-dwu6g-vncjf-y7gml-qnkb2-yhuao-2cq3c-2ae.";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> src/sixth_backend/src/lib.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn main() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.09s
[INFO] running `Command { std: "docker" "inspect" "cf36d5ccf478c5f5546cb91f286c9e6a569d625d87b830c87963b0237f5ef488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf36d5ccf478c5f5546cb91f286c9e6a569d625d87b830c87963b0237f5ef488", kill_on_drop: false }`
[INFO] [stdout] cf36d5ccf478c5f5546cb91f286c9e6a569d625d87b830c87963b0237f5ef488
