[INFO] updating cached repository bottiger/SoundWaves-Core
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bottiger/SoundWaves-Core
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bottiger/SoundWaves-Core" "work/ex/beta-1.38-1/sources/1.37.0/gh/bottiger/SoundWaves-Core"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/bottiger/SoundWaves-Core'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bottiger/SoundWaves-Core" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bottiger/SoundWaves-Core"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bottiger/SoundWaves-Core'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a85d538cb647f936d9993b7b82693d4714eff6ce
[INFO] sha for GitHub repo bottiger/SoundWaves-Core: a85d538cb647f936d9993b7b82693d4714eff6ce
[INFO] validating manifest of bottiger/SoundWaves-Core on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bottiger/SoundWaves-Core on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bottiger/SoundWaves-Core
[INFO] finished frobbing bottiger/SoundWaves-Core
[INFO] frobbed toml for bottiger/SoundWaves-Core written to work/ex/beta-1.38-1/sources/1.37.0/gh/bottiger/SoundWaves-Core/Cargo.toml
[INFO] started frobbing bottiger/SoundWaves-Core
[INFO] finished frobbing bottiger/SoundWaves-Core
[INFO] frobbed toml for bottiger/SoundWaves-Core written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bottiger/SoundWaves-Core/Cargo.toml
[INFO] crate bottiger/SoundWaves-Core already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/bottiger/SoundWaves-Core/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bottiger/SoundWaves-Core against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bottiger/SoundWaves-Core:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 7887407470ebbb7be72a0ef32d36c2250b45d79f28e457e264ddc36038bc0f57
[INFO] running `"docker" "start" "-a" "7887407470ebbb7be72a0ef32d36c2250b45d79f28e457e264ddc36038bc0f57"`
[INFO] [stderr]    Compiling libsqlite3-sys v0.4.0
[INFO] [stderr]    Compiling rusqlite v0.6.1
[INFO] [stderr]    Compiling soundwaves_core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/library/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]  --> src/library/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::types::Episode`
[INFO] [stderr]   --> src/library/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use super::types::Episode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SubscriptionKey`
[INFO] [stderr]   --> src/types/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type SubscriptionKey = i32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `EpisodeKey`
[INFO] [stderr]   --> src/types/mod.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type EpisodeKey = i32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/types/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_id`
[INFO] [stderr]   --> src/types/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn get_id(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_key`
[INFO] [stderr]   --> src/types/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn get_key(&self) -> SubscriptionKey {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_episode`
[INFO] [stderr]   --> src/types/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn add_episode(&mut self, item: AMEpisode) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/types/mod.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn new(sub: AMSubscription) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_id`
[INFO] [stderr]    --> src/types/mod.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn get_id(&self) -> i32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_subscription`
[INFO] [stderr]    --> src/types/mod.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn set_subscription(&mut self, subscription: AMSubscription) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_subscription`
[INFO] [stderr]    --> src/types/mod.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn get_subscription(&self) -> AMSubscription {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `StateError`
[INFO] [stderr]   --> src/library/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum StateError { InvalidState }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Library`
[INFO] [stderr]   --> src/library/mod.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Library {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/library/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_subscription`
[INFO] [stderr]   --> src/library/mod.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn add_subscription(&mut self, item: AMSubscription) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_episode`
[INFO] [stderr]   --> src/library/mod.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn add_episode(&mut self, episode: AMEpisode) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_subscription`
[INFO] [stderr]   --> src/library/mod.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn remove_subscription(&mut self, item: AMSubscription) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_subscriptions`
[INFO] [stderr]   --> src/library/mod.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn clear_subscriptions(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_subscription`
[INFO] [stderr]   --> src/library/mod.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn get_subscription(&mut self, id: SubscriptionKey) -> Option<&AMSubscription> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_episodes`
[INFO] [stderr]   --> src/library/mod.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn get_episodes(&mut self) -> &Vec<AMEpisode> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_episode`
[INFO] [stderr]   --> src/library/mod.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn get_episode(&mut self, id: EpisodeKey) -> Option<&AMEpisode> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_subscriptions`
[INFO] [stderr]   --> src/library/mod.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn load_subscriptions() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.84s
[INFO] running `"docker" "inspect" "7887407470ebbb7be72a0ef32d36c2250b45d79f28e457e264ddc36038bc0f57"`
[INFO] running `"docker" "rm" "-f" "7887407470ebbb7be72a0ef32d36c2250b45d79f28e457e264ddc36038bc0f57"`
[INFO] [stdout] 7887407470ebbb7be72a0ef32d36c2250b45d79f28e457e264ddc36038bc0f57
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bottiger/SoundWaves-Core:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 78686a969490eb7f9b871b10b426fd767241d268f2481bddcd719dcf3cd4da73
[INFO] running `"docker" "start" "-a" "78686a969490eb7f9b871b10b426fd767241d268f2481bddcd719dcf3cd4da73"`
[INFO] [stderr]    Compiling soundwaves_core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> src/library/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Mutex`
[INFO] [stderr]  --> src/library/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::sync::Mutex;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::types::Episode`
[INFO] [stderr]   --> src/library/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use super::types::Episode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `SubscriptionKey`
[INFO] [stderr]   --> src/types/mod.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type SubscriptionKey = i32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `EpisodeKey`
[INFO] [stderr]   --> src/types/mod.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub type EpisodeKey = i32;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/types/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_id`
[INFO] [stderr]   --> src/types/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn get_id(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_key`
[INFO] [stderr]   --> src/types/mod.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn get_key(&self) -> SubscriptionKey {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_episode`
[INFO] [stderr]   --> src/types/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     pub fn add_episode(&mut self, item: AMEpisode) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/types/mod.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn new(sub: AMSubscription) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_id`
[INFO] [stderr]    --> src/types/mod.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn get_id(&self) -> i32 {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_subscription`
[INFO] [stderr]    --> src/types/mod.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn set_subscription(&mut self, subscription: AMSubscription) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_subscription`
[INFO] [stderr]    --> src/types/mod.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn get_subscription(&self) -> AMSubscription {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `StateError`
[INFO] [stderr]   --> src/library/mod.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | enum StateError { InvalidState }
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Library`
[INFO] [stderr]   --> src/library/mod.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct Library {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/library/mod.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn new() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_subscription`
[INFO] [stderr]   --> src/library/mod.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn add_subscription(&mut self, item: AMSubscription) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_episode`
[INFO] [stderr]   --> src/library/mod.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn add_episode(&mut self, episode: AMEpisode) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `remove_subscription`
[INFO] [stderr]   --> src/library/mod.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn remove_subscription(&mut self, item: AMSubscription) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_subscriptions`
[INFO] [stderr]   --> src/library/mod.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     pub fn clear_subscriptions(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_subscription`
[INFO] [stderr]   --> src/library/mod.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn get_subscription(&mut self, id: SubscriptionKey) -> Option<&AMSubscription> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_episodes`
[INFO] [stderr]   --> src/library/mod.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn get_episodes(&mut self) -> &Vec<AMEpisode> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_episode`
[INFO] [stderr]   --> src/library/mod.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn get_episode(&mut self, id: EpisodeKey) -> Option<&AMEpisode> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `load_subscriptions`
[INFO] [stderr]   --> src/library/mod.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn load_subscriptions() {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "78686a969490eb7f9b871b10b426fd767241d268f2481bddcd719dcf3cd4da73"`
[INFO] running `"docker" "rm" "-f" "78686a969490eb7f9b871b10b426fd767241d268f2481bddcd719dcf3cd4da73"`
[INFO] [stdout] 78686a969490eb7f9b871b10b426fd767241d268f2481bddcd719dcf3cd4da73
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/bottiger/SoundWaves-Core:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e9a16ac412169909595ae4ca77074dc56a14aa1d995e179f339cc983f13bb3e4
[INFO] running `"docker" "start" "-a" "e9a16ac412169909595ae4ca77074dc56a14aa1d995e179f339cc983f13bb3e4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/soundwaves_core-b10ce5d3f76010ec
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e9a16ac412169909595ae4ca77074dc56a14aa1d995e179f339cc983f13bb3e4"`
[INFO] running `"docker" "rm" "-f" "e9a16ac412169909595ae4ca77074dc56a14aa1d995e179f339cc983f13bb3e4"`
[INFO] [stdout] e9a16ac412169909595ae4ca77074dc56a14aa1d995e179f339cc983f13bb3e4