[INFO] cloning repository https://github.com/asiniscalchi/substate-academy
[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 }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasiniscalchi%2Fsubstate-academy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2873e9ba2ec023d7ab752ddf4be4328dc0d68bf8
[INFO] testing asiniscalchi/substate-academy against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasiniscalchi%2Fsubstate-academy" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/asiniscalchi/substate-academy
[INFO] finished tweaking git repo https://github.com/asiniscalchi/substate-academy
[INFO] tweaked toml for git repo https://github.com/asiniscalchi/substate-academy written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/asiniscalchi/substate-academy on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/asiniscalchi/substate-academy 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synstructure v0.12.6
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[INFO] [stderr]   Downloaded libsecp256k1-core v0.3.0
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[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.2.2
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[INFO] [stderr]   Downloaded crypto-mac v0.8.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b62dfa0bd10569c4a325e5f52effae7e0eece0086c22d71fc591c3948878944e
[INFO] running `Command { std: "docker" "start" "-a" "b62dfa0bd10569c4a325e5f52effae7e0eece0086c22d71fc591c3948878944e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b62dfa0bd10569c4a325e5f52effae7e0eece0086c22d71fc591c3948878944e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62dfa0bd10569c4a325e5f52effae7e0eece0086c22d71fc591c3948878944e", kill_on_drop: false }`
[INFO] [stdout] b62dfa0bd10569c4a325e5f52effae7e0eece0086c22d71fc591c3948878944e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 31cdce4d6bc13297cd654f84b62d9b8e3cbfedb08321dd69f9a5fd93d9e65900
[INFO] running `Command { std: "docker" "start" "-a" "31cdce4d6bc13297cd654f84b62d9b8e3cbfedb08321dd69f9a5fd93d9e65900", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling wyz v0.5.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
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[INFO] [stderr]    Compiling keccak v0.1.2
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[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling sp-std v4.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
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[INFO] [stderr]    Compiling ansi_term v0.12.1
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[INFO] [stderr]    Compiling parity-util-mem v0.11.0
[INFO] [stderr]    Compiling environmental v1.1.3
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[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling ed25519 v1.5.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling pbkdf2 v0.4.0
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[INFO] [stderr]    Compiling base64 v0.13.0
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[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling sp-core-hashing v4.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
[INFO] [stderr]    Compiling secp256k1 v0.21.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
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[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling ref-cast-impl v1.0.7
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling sp-debug-derive v4.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
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[INFO] [stderr]    Compiling curve25519-dalek v2.1.3
[INFO] [stderr]    Compiling merlin v2.0.1
[INFO] [stderr]    Compiling curve25519-dalek v3.2.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
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[INFO] [stderr]    Compiling dyn-clonable v0.9.0
[INFO] [stderr]    Compiling merlin v3.0.0
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[INFO] [stderr]    Compiling curve25519-dalek-ng v4.1.1
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling tiny-bip39 v0.8.2
[INFO] [stderr]    Compiling substrate-bip39 v0.4.4
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]    Compiling impl-serde v0.3.2
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling serde_bytes v0.11.6
[INFO] [stderr]    Compiling schnorrkel v0.10.2
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling ss58-registry v1.23.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.1.3
[INFO] [stderr]    Compiling scale-info-derive v2.1.2
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v5.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
[INFO] [stderr]    Compiling parity-scale-codec v3.1.5
[INFO] [stderr]    Compiling impl-codec v0.6.0
[INFO] [stderr]    Compiling scale-info v2.1.2
[INFO] [stderr]    Compiling sp-storage v6.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
[INFO] [stderr]    Compiling sp-tracing v5.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
[INFO] [stderr]    Compiling sp-wasm-interface v6.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
[INFO] [stderr]    Compiling sp-externalities v0.12.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
[INFO] [stderr]    Compiling primitive-types v0.11.1
[INFO] [stderr]    Compiling sp-runtime-interface v6.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
[INFO] [stderr]    Compiling sp-core v6.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.25#3348e144)
[INFO] [stderr]    Compiling rs-helloworld v0.1.0 (/opt/rustwide/workdir)
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "31cdce4d6bc13297cd654f84b62d9b8e3cbfedb08321dd69f9a5fd93d9e65900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31cdce4d6bc13297cd654f84b62d9b8e3cbfedb08321dd69f9a5fd93d9e65900", kill_on_drop: false }`
[INFO] [stdout] 31cdce4d6bc13297cd654f84b62d9b8e3cbfedb08321dd69f9a5fd93d9e65900
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9a980349b6a805ad07fd1a963a21a37109c2f933ce2e38554c00516b6a6193dc
[INFO] running `Command { std: "docker" "start" "-a" "9a980349b6a805ad07fd1a963a21a37109c2f933ce2e38554c00516b6a6193dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-helloworld v0.1.0 (/opt/rustwide/workdir)
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "9a980349b6a805ad07fd1a963a21a37109c2f933ce2e38554c00516b6a6193dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a980349b6a805ad07fd1a963a21a37109c2f933ce2e38554c00516b6a6193dc", kill_on_drop: false }`
[INFO] [stdout] 9a980349b6a805ad07fd1a963a21a37109c2f933ce2e38554c00516b6a6193dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 3e81f981c289b968654c1785d787f8c8587b90888ad3897bd082a14d13b59a64
[INFO] running `Command { std: "docker" "start" "-a" "3e81f981c289b968654c1785d787f8c8587b90888ad3897bd082a14d13b59a64", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stderr]  --> src/day2/vrf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::mpsc::RecvError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_core::OsRng`
[INFO] [stderr]  --> src/day2/vrf/player.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand_core::OsRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::mpsc::RecvError`
[INFO] [stderr]  --> src/day2/vrf/vrfcore.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::mpsc::RecvError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_core::OsRng`
[INFO] [stderr]  --> src/day2/vrf/vrfcore.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand_core::OsRng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand_core::OsRng`
[INFO] [stderr]   --> src/day2/vrf.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use rand_core::OsRng;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `NUM_DRAWS` is never used
[INFO] [stderr]   --> src/day2/vrf.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const NUM_DRAWS: u8 = 8;
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `NUM_CARDS` is never used
[INFO] [stderr]   --> src/day2/vrf.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 | const NUM_CARDS: u16 = 52;
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `draw_transcript` is never used
[INFO] [stderr]   --> src/day2/vrf.rs:60:4
[INFO] [stderr]    |
[INFO] [stderr] 60 | fn draw_transcript(seed: &[u8; 32], draw_num: u8) -> Option<Transcript> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `find_card` is never used
[INFO] [stderr]   --> src/day2/vrf.rs:71:4
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn find_card(io: &VRFInOut) -> Option<u16> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `try_draw` is never used
[INFO] [stderr]   --> src/day2/vrf.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn try_draw(keypair: &Keypair, seed: &[u8; 32], draw_num: u8) -> Option<(u16, [u8; 97])> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `draws` is never used
[INFO] [stderr]   --> src/day2/vrf.rs:94:4
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn draws(keypair: &Keypair, seed: &[u8; 32]) -> Vec<(u16, [u8; 97])> {
[INFO] [stderr]    |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `recieve` is never used
[INFO] [stderr]    --> src/day2/vrf.rs:108:4
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn recieve(public: &PublicKey, vrf_signature: &[u8; 97], seed: &[u8; 32]) -> Option<u16> {
[INFO] [stderr]     |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_VRF_seed` is never used
[INFO] [stderr]   --> src/day2/vrf/vrfcore.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `recieve` is never used
[INFO] [stderr]   --> src/day2/vrf/vrfcore.rs:70:4
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn recieve(public: &PublicKey, vrf_signature: &[u8; 97], seed: &[u8; 32]) -> Option<u16> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `VRF_seed` should have a snake case name
[INFO] [stderr]   --> src/day2/vrf.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let VRF_seed = generate_VRF_seed();
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `vrf_seed`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_VRF_seed` should have a snake case name
[INFO] [stderr]   --> src/day2/vrf.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_vrf_seed`
[INFO] [stderr] 
[INFO] [stderr] warning: function `generate_VRF_seed` should have a snake case name
[INFO] [stderr]   --> src/day2/vrf/vrfcore.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn generate_VRF_seed() -> [u8; 32] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `generate_vrf_seed`
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-helloworld` (bin "rs-helloworld" test) generated 17 warnings (run `cargo fix --bin "rs-helloworld" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rs_helloworld-759d43852f95ec42)
[INFO] [stdout] running 4 tests
[INFO] [stdout] test day2::vrf::player::tests::initial_draw ... ok
[INFO] [stdout] test day2::vrf::player::tests::ask_for_unexistent_card ... ok
[INFO] [stdout] test day2::vrf::player::tests::when_card_is_revealed_less_card ... ok
[INFO] [stdout] test day2::vrf::player::tests::ask_for_a_card ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e81f981c289b968654c1785d787f8c8587b90888ad3897bd082a14d13b59a64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e81f981c289b968654c1785d787f8c8587b90888ad3897bd082a14d13b59a64", kill_on_drop: false }`
[INFO] [stdout] 3e81f981c289b968654c1785d787f8c8587b90888ad3897bd082a14d13b59a64