[INFO] cloning repository https://github.com/KavanPrice/radiohead-knowledgebase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KavanPrice/radiohead-knowledgebase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKavanPrice%2Fradiohead-knowledgebase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKavanPrice%2Fradiohead-knowledgebase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 495d328b2844d67b9294a13126d7dfd81d59f9a2
[INFO] checking KavanPrice/radiohead-knowledgebase against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKavanPrice%2Fradiohead-knowledgebase" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KavanPrice/radiohead-knowledgebase on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KavanPrice/radiohead-knowledgebase
[INFO] finished tweaking git repo https://github.com/KavanPrice/radiohead-knowledgebase
[INFO] tweaked toml for git repo https://github.com/KavanPrice/radiohead-knowledgebase written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KavanPrice/radiohead-knowledgebase 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpufeatures v0.2.10
[INFO] [stderr]   Downloaded rspotify-http v0.12.0
[INFO] [stderr]   Downloaded maybe-async v0.2.7
[INFO] [stderr]   Downloaded rspotify-macros v0.12.0
[INFO] [stderr]   Downloaded rspotify-model v0.12.0
[INFO] [stderr]   Downloaded enum_dispatch v0.3.12
[INFO] [stderr]   Downloaded rustix v0.38.20
[INFO] [stderr]   Downloaded rspotify v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96788baffedfcb7df56370c2c913e32168dd4832ced19fd3bdc6d6607196dffc
[INFO] running `Command { std: "docker" "start" "-a" "96788baffedfcb7df56370c2c913e32168dd4832ced19fd3bdc6d6607196dffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96788baffedfcb7df56370c2c913e32168dd4832ced19fd3bdc6d6607196dffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96788baffedfcb7df56370c2c913e32168dd4832ced19fd3bdc6d6607196dffc", kill_on_drop: false }`
[INFO] [stdout] 96788baffedfcb7df56370c2c913e32168dd4832ced19fd3bdc6d6607196dffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13bb9b109e6531c88e47b63af179b613a2767ad76be77775ac5e3c8808b35210
[INFO] running `Command { std: "docker" "start" "-a" "13bb9b109e6531c88e47b63af179b613a2767ad76be77775ac5e3c8808b35210", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
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[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling serde_json v1.0.107
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[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling async-trait v0.1.74
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[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]     Checking iana-time-zone v0.1.58
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]    Compiling once_cell v1.18.0
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[INFO] [stderr]     Checking dotenv v0.15.0
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[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.6
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[INFO] [stderr]     Checking rustls-webpki v0.100.3
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling maybe-async v0.2.7
[INFO] [stderr]    Compiling enum_dispatch v0.3.12
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]    Compiling neo4rs-macros v0.2.1
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking webpki-roots v0.23.1
[INFO] [stderr]     Checking futures-executor v0.3.28
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[INFO] [stderr]     Checking tokio-util v0.7.9
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[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking rspotify-model v0.12.0
[INFO] [stderr]     Checking neo4rs v0.6.2
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stderr]     Checking rspotify-http v0.12.0
[INFO] [stderr]     Checking rspotify v0.12.0
[INFO] [stderr]     Checking radiohead-knowledgebase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio;
[INFO] [stdout]    |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio;
[INFO] [stdout]    |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for i in 0..2 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `redirect_uri`, `aura_instance_id`, and `aura_instance_name` are never read
[INFO] [stdout]   --> src/load_env_vars.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct EnvVars {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7  |     pub redirect_uri: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub aura_instance_id: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub aura_instance_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     for i in 0..2 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `redirect_uri`, `aura_instance_id`, and `aura_instance_name` are never read
[INFO] [stdout]   --> src/load_env_vars.rs:7:9
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub struct EnvVars {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 7  |     pub redirect_uri: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     pub aura_instance_id: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub aura_instance_name: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "13bb9b109e6531c88e47b63af179b613a2767ad76be77775ac5e3c8808b35210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13bb9b109e6531c88e47b63af179b613a2767ad76be77775ac5e3c8808b35210", kill_on_drop: false }`
[INFO] [stdout] 13bb9b109e6531c88e47b63af179b613a2767ad76be77775ac5e3c8808b35210