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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/asiniscalchi/substate-academy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasiniscalchi%2Fsubstate-academy", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2873e9ba2ec023d7ab752ddf4be4328dc0d68bf8
[INFO] checking asiniscalchi/substate-academy against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasiniscalchi%2Fsubstate-academy" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asiniscalchi/substate-academy on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] crate git repo https://github.com/asiniscalchi/substate-academy already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/day2/vrf.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]  --> src/day2/vrf/player.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand_core::OsRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/day2/vrf/vrfcore.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]  --> src/day2/vrf/vrfcore.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand_core::OsRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]   --> src/day2/vrf.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand_core::OsRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/day2/vrf.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]  --> src/day2/vrf/player.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand_core::OsRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stdout]  --> src/day2/vrf/vrfcore.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::mpsc::RecvError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]  --> src/day2/vrf/vrfcore.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand_core::OsRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]   --> src/day2/vrf.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rand_core::OsRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_DRAWS` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const NUM_DRAWS: u8 = 8;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_CARDS` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const NUM_CARDS: u16 = 52;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_transcript` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn draw_transcript(seed: &[u8; 32], draw_num: u8) -> Option<Transcript> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_card` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn find_card(io: &VRFInOut) -> Option<u16> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_draw` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn try_draw(keypair: &Keypair, seed: &[u8; 32], draw_num: u8) -> Option<(u16, [u8; 97])> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draws` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn draws(keypair: &Keypair, seed: &[u8; 32]) -> Vec<(u16, [u8; 97])> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recieve` is never used
[INFO] [stdout]    --> src/day2/vrf.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn recieve(public: &PublicKey, vrf_signature: &[u8; 97], seed: &[u8; 32]) -> Option<u16> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_VRF_seed` is never used
[INFO] [stdout]   --> src/day2/vrf/vrfcore.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recieve` is never used
[INFO] [stdout]   --> src/day2/vrf/vrfcore.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn recieve(public: &PublicKey, vrf_signature: &[u8; 97], seed: &[u8; 32]) -> Option<u16> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `VRF_seed` should have a snake case name
[INFO] [stdout]   --> src/day2/vrf.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let VRF_seed = generate_VRF_seed();
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `vrf_seed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_VRF_seed` should have a snake case name
[INFO] [stdout]   --> src/day2/vrf.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_vrf_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_VRF_seed` should have a snake case name
[INFO] [stdout]   --> src/day2/vrf/vrfcore.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_vrf_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_DRAWS` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const NUM_DRAWS: u8 = 8;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUM_CARDS` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | const NUM_CARDS: u16 = 52;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_transcript` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:60:4
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn draw_transcript(seed: &[u8; 32], draw_num: u8) -> Option<Transcript> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_card` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn find_card(io: &VRFInOut) -> Option<u16> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `try_draw` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn try_draw(keypair: &Keypair, seed: &[u8; 32], draw_num: u8) -> Option<(u16, [u8; 97])> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draws` is never used
[INFO] [stdout]   --> src/day2/vrf.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn draws(keypair: &Keypair, seed: &[u8; 32]) -> Vec<(u16, [u8; 97])> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recieve` is never used
[INFO] [stdout]    --> src/day2/vrf.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn recieve(public: &PublicKey, vrf_signature: &[u8; 97], seed: &[u8; 32]) -> Option<u16> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_VRF_seed` is never used
[INFO] [stdout]   --> src/day2/vrf/vrfcore.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recieve` is never used
[INFO] [stdout]   --> src/day2/vrf/vrfcore.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn recieve(public: &PublicKey, vrf_signature: &[u8; 97], seed: &[u8; 32]) -> Option<u16> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `VRF_seed` should have a snake case name
[INFO] [stdout]   --> src/day2/vrf.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let VRF_seed = generate_VRF_seed();
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `vrf_seed`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_VRF_seed` should have a snake case name
[INFO] [stdout]   --> src/day2/vrf.rs:55:4
[INFO] [stdout]    |
[INFO] [stdout] 55 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_vrf_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_VRF_seed` should have a snake case name
[INFO] [stdout]   --> src/day2/vrf/vrfcore.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_vrf_seed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.40s
[INFO] running `Command { std: "docker" "inspect" "75f498e7d74f80819b4cb508e5ee40e72ffb2d69397b5c5604378deb3018d60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f498e7d74f80819b4cb508e5ee40e72ffb2d69397b5c5604378deb3018d60c", kill_on_drop: false }`
[INFO] [stdout] 75f498e7d74f80819b4cb508e5ee40e72ffb2d69397b5c5604378deb3018d60c