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[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferrite-rs/ferrite-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrite-rs%2Fferrite-tutorial", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferrite-rs%2Fferrite-tutorial" "/workspace/builds/worker-7/source", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/ferrite-rs/ferrite-tutorial
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[INFO] crate git repo https://github.com/ferrite-rs/ferrite-tutorial already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.126
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking ferrite-session v0.2.0
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[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | use tokio::time::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nickel2`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:89:47
[INFO] [stdout]    |
[INFO] [stdout] 89 |         include_session(forge_nickel(), move |nickel2| {
[INFO] [stdout]    |                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nickel2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nickel1`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:88:45
[INFO] [stdout]    |
[INFO] [stdout] 88 |       include_session(forge_nickel(), move |nickel1| {
[INFO] [stdout]    |                                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nickel1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vending_machine`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:87:46
[INFO] [stdout]    |
[INFO] [stdout] 87 |     include_session(vending_machine(), move |vending_machine| {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vending_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coin_exchange`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:86:42
[INFO] [stdout]    |
[INFO] [stdout] 86 |   include_session(coin_exchange(), move |coin_exchange| {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coin_exchange`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Adder`
[INFO] [stdout]   --> src/bin/02_adder.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / type Adder =
[INFO] [stdout] 22 | |   ReceiveValue<i32, ReceiveValue<i32, SendValue<i32, End>>>;
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `adder_provider`
[INFO] [stdout]   --> src/bin/02_adder.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn adder_provider() -> Session<Adder> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `adder_client`
[INFO] [stdout]   --> src/bin/02_adder.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn adder_client() -> Session<ReceiveChannel<Adder, End>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/bin/08_queue.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn elem(val: String) -> Session<ReceiveChannel<Queue, Queue>>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nickel2`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:89:47
[INFO] [stdout]    |
[INFO] [stdout] 89 |         include_session(forge_nickel(), move |nickel2| {
[INFO] [stdout]    |                                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nickel2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nickel1`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:88:45
[INFO] [stdout]    |
[INFO] [stdout] 88 |       include_session(forge_nickel(), move |nickel1| {
[INFO] [stdout]    |                                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nickel1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vending_machine`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:87:46
[INFO] [stdout]    |
[INFO] [stdout] 87 |     include_session(vending_machine(), move |vending_machine| {
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vending_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coin_exchange`
[INFO] [stdout]   --> src/bin/03_coin_exchange.rs:86:42
[INFO] [stdout]    |
[INFO] [stdout] 86 |   include_session(coin_exchange(), move |coin_exchange| {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coin_exchange`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `elem`
[INFO] [stdout]   --> src/bin/08_queue.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn elem(val: String) -> Session<ReceiveChannel<Queue, Queue>>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_pin`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:150:3
[INFO] [stdout]     |
[INFO] [stdout] 150 |   actual_pin: Pin,
[INFO] [stdout]     |   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_pin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attempts`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 |   attempts: u8,
[INFO] [stdout]     |   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attempts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `balance`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:152:3
[INFO] [stdout]     |
[INFO] [stdout] 152 |   balance: u64,
[INFO] [stdout]     |   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:158:3
[INFO] [stdout]     |
[INFO] [stdout] 158 |   pin: Pin,
[INFO] [stdout]     |   ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `withdraw_amount`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:159:3
[INFO] [stdout]     |
[INFO] [stdout] 159 |   withdraw_amount: CashAmount,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_withdraw_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current`
[INFO] [stdout]   --> src/bin/06_rec_calculator.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn calculator_provider(current: f64) -> Session<Calculator> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/06_rec_calculator.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 |   x: f64,
[INFO] [stdout]    |   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/06_rec_calculator.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |   y: f64,
[INFO] [stdout]    |   ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/bin/06_rec_calculator.rs:68:3
[INFO] [stdout]    |
[INFO] [stdout] 68 |   z: f64,
[INFO] [stdout]    |   ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::time::sleep`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 | use tokio::time::sleep;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_RETRY`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | const MAX_RETRY: u8 = 3;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amount`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:126:3
[INFO] [stdout]     |
[INFO] [stdout] 126 |   amount: CashAmount,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `forge_cash`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn forge_cash(amount: u64) -> Session<Cash> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spend_cash`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn spend_cash() -> Session<ReceiveChannel<Cash, End>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/bin/04_simple_calculator.rs:37:50
[INFO] [stdout]    |
[INFO] [stdout] 37 |     include_session(calculator_provider(), move |c2| {
[INFO] [stdout]    |                                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/bin/04_simple_calculator.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |   include_session(calculator_provider(), move |c1| {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_pin`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:150:3
[INFO] [stdout]     |
[INFO] [stdout] 150 |   actual_pin: Pin,
[INFO] [stdout]     |   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_pin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attempts`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 |   attempts: u8,
[INFO] [stdout]     |   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attempts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `balance`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:152:3
[INFO] [stdout]     |
[INFO] [stdout] 152 |   balance: u64,
[INFO] [stdout]     |   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:158:3
[INFO] [stdout]     |
[INFO] [stdout] 158 |   pin: Pin,
[INFO] [stdout]     |   ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `withdraw_amount`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:159:3
[INFO] [stdout]     |
[INFO] [stdout] 159 |   withdraw_amount: CashAmount,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_withdraw_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn fork(id: u8) -> SharedSession<Fork> {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_pin`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn atm_provider(actual_pin: Pin, balance: u64) -> Session<Atm> {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_pin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `balance`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn atm_provider(actual_pin: Pin, balance: u64) -> Session<Atm> {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:114:3
[INFO] [stdout]     |
[INFO] [stdout] 114 |   pin: Pin,
[INFO] [stdout]     |   ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `withdraw_amount`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:115:3
[INFO] [stdout]     |
[INFO] [stdout] 115 |   withdraw_amount: CashAmount,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_withdraw_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:78:3
[INFO] [stdout]    |
[INFO] [stdout] 78 |   id: u8,
[INFO] [stdout]    |   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |   left: SharedChannel<Fork>,
[INFO] [stdout]    |   ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:80:3
[INFO] [stdout]    |
[INFO] [stdout] 80 |   right: SharedChannel<Fork>,
[INFO] [stdout]    |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn fork(id: u8) -> SharedSession<Fork> {
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:78:3
[INFO] [stdout]    |
[INFO] [stdout] 78 |   id: u8,
[INFO] [stdout]    |   ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current`
[INFO] [stdout]   --> src/bin/06_rec_calculator.rs:61:24
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn calculator_provider(current: f64) -> Session<Calculator> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `left`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |   left: SharedChannel<Fork>,
[INFO] [stdout]    |   ^^^^ help: if this is intentional, prefix it with an underscore: `_left`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/bin/06_rec_calculator.rs:66:3
[INFO] [stdout]    |
[INFO] [stdout] 66 |   x: f64,
[INFO] [stdout]    |   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/bin/06_rec_calculator.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |   y: f64,
[INFO] [stdout]    |   ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `right`
[INFO] [stdout]   --> src/bin/10_dining_philosophers.rs:80:3
[INFO] [stdout]    |
[INFO] [stdout] 80 |   right: SharedChannel<Fork>,
[INFO] [stdout]    |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_right`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]   --> src/bin/06_rec_calculator.rs:68:3
[INFO] [stdout]    |
[INFO] [stdout] 68 |   z: f64,
[INFO] [stdout]    |   ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amount`
[INFO] [stdout]   --> src/bin/05_simple_atm.rs:86:3
[INFO] [stdout]    |
[INFO] [stdout] 86 |   amount: CashAmount,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `forge_cash`
[INFO] [stdout]   --> src/bin/05_simple_atm.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn forge_cash(amount: u64) -> Session<Cash> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spend_cash`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn spend_cash() -> Session<ReceiveChannel<Cash, End>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_RETRY`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | const MAX_RETRY: u8 = 3;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amount`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:126:3
[INFO] [stdout]     |
[INFO] [stdout] 126 |   amount: CashAmount,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `forge_cash`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:131:4
[INFO] [stdout]     |
[INFO] [stdout] 131 | fn forge_cash(amount: u64) -> Session<Cash> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spend_cash`
[INFO] [stdout]    --> src/bin/07_rec_atm.rs:140:4
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn spend_cash() -> Session<ReceiveChannel<Cash, End>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/bin/04_simple_calculator.rs:37:50
[INFO] [stdout]    |
[INFO] [stdout] 37 |     include_session(calculator_provider(), move |c2| {
[INFO] [stdout]    |                                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/bin/04_simple_calculator.rs:36:48
[INFO] [stdout]    |
[INFO] [stdout] 36 |   include_session(calculator_provider(), move |c1| {
[INFO] [stdout]    |                                                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Adder`
[INFO] [stdout]   --> src/bin/02_adder.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / type Adder =
[INFO] [stdout] 22 | |   ReceiveValue<i32, ReceiveValue<i32, SendValue<i32, End>>>;
[INFO] [stdout]    | |____________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `adder_provider`
[INFO] [stdout]   --> src/bin/02_adder.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn adder_provider() -> Session<Adder> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `adder_client`
[INFO] [stdout]   --> src/bin/02_adder.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn adder_client() -> Session<ReceiveChannel<Adder, End>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val1`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   val1: String,
[INFO] [stdout]    |   ^^^^ help: if this is intentional, prefix it with an underscore: `_val1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tail`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 |   tail: SharedChannel<Queue>,
[INFO] [stdout]    |   ^^^^ help: if this is intentional, prefix it with an underscore: `_tail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 |   queue: SharedChannel<Queue>,
[INFO] [stdout]    |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:82:3
[INFO] [stdout]    |
[INFO] [stdout] 82 |   val: String
[INFO] [stdout]    |   ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |   queue: SharedChannel<Queue>,
[INFO] [stdout]    |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `head_queue`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn head_queue(
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/bin/08_queue.rs:75:9
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn elem(val: String) -> Session<ReceiveChannel<Queue, Queue>>
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actual_pin`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn atm_provider(actual_pin: Pin, balance: u64) -> Session<Atm> {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_actual_pin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val1`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:73:3
[INFO] [stdout]    |
[INFO] [stdout] 73 |   val1: String,
[INFO] [stdout]    |   ^^^^ help: if this is intentional, prefix it with an underscore: `_val1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `balance`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:109:34
[INFO] [stdout]     |
[INFO] [stdout] 109 | fn atm_provider(actual_pin: Pin, balance: u64) -> Session<Atm> {
[INFO] [stdout]     |                                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balance`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pin`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:114:3
[INFO] [stdout]     |
[INFO] [stdout] 114 |   pin: Pin,
[INFO] [stdout]     |   ^^^ help: if this is intentional, prefix it with an underscore: `_pin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `withdraw_amount`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:115:3
[INFO] [stdout]     |
[INFO] [stdout] 115 |   withdraw_amount: CashAmount,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_withdraw_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tail`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 |   tail: SharedChannel<Queue>,
[INFO] [stdout]    |   ^^^^ help: if this is intentional, prefix it with an underscore: `_tail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:81:3
[INFO] [stdout]    |
[INFO] [stdout] 81 |   queue: SharedChannel<Queue>,
[INFO] [stdout]    |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:82:3
[INFO] [stdout]    |
[INFO] [stdout] 82 |   val: String
[INFO] [stdout]    |   ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:89:3
[INFO] [stdout]    |
[INFO] [stdout] 89 |   queue: SharedChannel<Queue>,
[INFO] [stdout]    |   ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `head_queue`
[INFO] [stdout]   --> src/bin/09_shared_queue.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn head_queue(
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `amount`
[INFO] [stdout]   --> src/bin/05_simple_atm.rs:86:3
[INFO] [stdout]    |
[INFO] [stdout] 86 |   amount: CashAmount,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `forge_cash`
[INFO] [stdout]   --> src/bin/05_simple_atm.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn forge_cash(amount: u64) -> Session<Cash> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `spend_cash`
[INFO] [stdout]    --> src/bin/05_simple_atm.rs:100:4
[INFO] [stdout]     |
[INFO] [stdout] 100 | fn spend_cash() -> Session<ReceiveChannel<Cash, End>> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `elem`
[INFO] [stdout]   --> src/bin/08_queue.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn elem(val: String) -> Session<ReceiveChannel<Queue, Queue>>
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.99s
[INFO] running `Command { std: "docker" "inspect" "a1ae9adc9b817f7a519c5051492fe22130333702a7c168a88002d5f0e801fb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ae9adc9b817f7a519c5051492fe22130333702a7c168a88002d5f0e801fb98", kill_on_drop: false }`
[INFO] [stdout] a1ae9adc9b817f7a519c5051492fe22130333702a7c168a88002d5f0e801fb98