[INFO] cloning repository https://github.com/spammy2/SimpleSocket.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spammy2/SimpleSocket.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspammy2%2FSimpleSocket.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspammy2%2FSimpleSocket.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c2542219910fd7f5afc6f72048644552efa47d3
[INFO] testing spammy2/SimpleSocket.rs against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspammy2%2FSimpleSocket.rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/spammy2/SimpleSocket.rs
[INFO] finished tweaking git repo https://github.com/spammy2/SimpleSocket.rs
[INFO] tweaked toml for git repo https://github.com/spammy2/SimpleSocket.rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/spammy2/SimpleSocket.rs on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/spammy2/SimpleSocket.rs 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2691bfcea75744082f44ce861457e58786142e97b3f9ef9558e6e715f469a36f
[INFO] running `Command { std: "docker" "start" "-a" "2691bfcea75744082f44ce861457e58786142e97b3f9ef9558e6e715f469a36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2691bfcea75744082f44ce861457e58786142e97b3f9ef9558e6e715f469a36f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2691bfcea75744082f44ce861457e58786142e97b3f9ef9558e6e715f469a36f", kill_on_drop: false }`
[INFO] [stdout] 2691bfcea75744082f44ce861457e58786142e97b3f9ef9558e6e715f469a36f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6310f6e536816d663b515f29bb9c5ea18901bd765b95e131b3d8c6a4065d433
[INFO] running `Command { std: "docker" "start" "-a" "e6310f6e536816d663b515f29bb9c5ea18901bd765b95e131b3d8c6a4065d433", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling lock_api v0.4.6
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[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling rustls v0.20.4
[INFO] [stderr]    Compiling base64 v0.13.0
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[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
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[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling async-trait v0.1.56
[INFO] [stderr]    Compiling rustls-pemfile v0.2.1
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[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.13.1
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[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rustls-native-certs v0.6.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling digest v0.10.3
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[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio v1.16.1
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tungstenite v0.17.2
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-rustls v0.23.3
[INFO] [stderr]    Compiling tokio-tungstenite v0.17.1
[INFO] [stderr]    Compiling simplesocket v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/context.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cell::Cell, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]  --> src/context.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/context.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::{mpsc, RwLock, Mutex};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]  --> src/subscription.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/subscription.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visitor`
[INFO] [stdout]  --> src/message.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Serialize, Deserialize, de::{Visitor, Error}};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::json;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::sync::{mpsc::channel, RwLock};
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:16:76
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub async fn connect_socket(project_id: &'static str, token: &'static str, mut events: impl Events) {
[INFO] [stdout]    |                                                                            ----^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/message.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let val = serde_json::Value::deserialize(deserializer)?.as_array().unwrap_or(Err(Error::custom("not an array"))?);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hash` and `filter` are never read
[INFO] [stdout]   --> src/subscription.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct Subscription {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 12 |     pub hash: i64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub callback: Arc<Box<dyn Subscriber + 'static + Send + Sync>>,
[INFO] [stdout] 14 |     pub filter: Value,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Publish`, `Edit`, `Unsubscribe`, `Remote`, and `DefaultConfig` are never constructed
[INFO] [stdout]   --> src/message.rs:79:2
[INFO] [stdout]    |
[INFO] [stdout] 76 | enum MessageType {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 79 |     Publish = 3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 80 |     Edit = 4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 81 |     Unsubscribe = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 82 |     Remote = 6,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 83 |     DefaultConfig = 7,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.43s
[INFO] running `Command { std: "docker" "inspect" "e6310f6e536816d663b515f29bb9c5ea18901bd765b95e131b3d8c6a4065d433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6310f6e536816d663b515f29bb9c5ea18901bd765b95e131b3d8c6a4065d433", kill_on_drop: false }`
[INFO] [stdout] e6310f6e536816d663b515f29bb9c5ea18901bd765b95e131b3d8c6a4065d433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d91e61a4fa75d2fcef7c102967d4d861b423572b7a219fa00b3c266e95f1fc3a
[INFO] running `Command { std: "docker" "start" "-a" "d91e61a4fa75d2fcef7c102967d4d861b423572b7a219fa00b3c266e95f1fc3a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/context.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cell::Cell, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]  --> src/context.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/context.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::{mpsc, RwLock, Mutex};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]  --> src/subscription.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/subscription.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visitor`
[INFO] [stdout]  --> src/message.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Serialize, Deserialize, de::{Visitor, Error}};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling simplesocket v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::json;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::sync::{mpsc::channel, RwLock};
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:16:76
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub async fn connect_socket(project_id: &'static str, token: &'static str, mut events: impl Events) {
[INFO] [stdout]    |                                                                            ----^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/message.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let val = serde_json::Value::deserialize(deserializer)?.as_array().unwrap_or(Err(Error::custom("not an array"))?);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hash` and `filter` are never read
[INFO] [stdout]   --> src/subscription.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct Subscription {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 12 |     pub hash: i64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub callback: Arc<Box<dyn Subscriber + 'static + Send + Sync>>,
[INFO] [stdout] 14 |     pub filter: Value,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Publish`, `Edit`, `Unsubscribe`, `Remote`, and `DefaultConfig` are never constructed
[INFO] [stdout]   --> src/message.rs:79:2
[INFO] [stdout]    |
[INFO] [stdout] 76 | enum MessageType {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 79 |     Publish = 3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 80 |     Edit = 4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 81 |     Unsubscribe = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 82 |     Remote = 6,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 83 |     DefaultConfig = 7,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cell::Cell`
[INFO] [stdout]  --> src/context.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{cell::Cell, collections::HashMap};
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]  --> src/context.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use futures::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/context.rs:10:25
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::sync::{mpsc, RwLock, Mutex};
[INFO] [stdout]    |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::Future`
[INFO] [stdout]  --> src/subscription.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use futures::Future;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/subscription.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visitor`
[INFO] [stdout]  --> src/message.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde::{Serialize, Deserialize, de::{Visitor, Error}};
[INFO] [stdout]   |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::json`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use serde_json::json;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/lib.rs:11:34
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::sync::{mpsc::channel, RwLock};
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:16:76
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub async fn connect_socket(project_id: &'static str, token: &'static str, mut events: impl Events) {
[INFO] [stdout]    |                                                                            ----^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/message.rs:70:7
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let val = serde_json::Value::deserialize(deserializer)?.as_array().unwrap_or(Err(Error::custom("not an array"))?);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hash` and `filter` are never read
[INFO] [stdout]   --> src/subscription.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct Subscription {
[INFO] [stdout]    |                   ------------ fields in this struct
[INFO] [stdout] 12 |     pub hash: i64,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 13 |     pub callback: Arc<Box<dyn Subscriber + 'static + Send + Sync>>,
[INFO] [stdout] 14 |     pub filter: Value,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Publish`, `Edit`, `Unsubscribe`, `Remote`, and `DefaultConfig` are never constructed
[INFO] [stdout]   --> src/message.rs:79:2
[INFO] [stdout]    |
[INFO] [stdout] 76 | enum MessageType {
[INFO] [stdout]    |      ----------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 79 |     Publish = 3,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 80 |     Edit = 4,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 81 |     Unsubscribe = 5,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 82 |     Remote = 6,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 83 |     DefaultConfig = 7,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "d91e61a4fa75d2fcef7c102967d4d861b423572b7a219fa00b3c266e95f1fc3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d91e61a4fa75d2fcef7c102967d4d861b423572b7a219fa00b3c266e95f1fc3a", kill_on_drop: false }`
[INFO] [stdout] d91e61a4fa75d2fcef7c102967d4d861b423572b7a219fa00b3c266e95f1fc3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7717ca51a9430b15c95fe4eb0d7748592db599e76a567c57d50d996de5176942
[INFO] running `Command { std: "docker" "start" "-a" "7717ca51a9430b15c95fe4eb0d7748592db599e76a567c57d50d996de5176942", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `cell::Cell`
[INFO] [stderr]  --> src/context.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{cell::Cell, collections::HashMap};
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::Future`
[INFO] [stderr]  --> src/context.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use futures::Future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]   --> src/context.rs:10:25
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tokio::sync::{mpsc, RwLock, Mutex};
[INFO] [stderr]    |                         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::Future`
[INFO] [stderr]  --> src/subscription.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use futures::Future;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde::Serialize`
[INFO] [stderr]  --> src/subscription.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde::Serialize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Visitor`
[INFO] [stderr]  --> src/message.rs:1:42
[INFO] [stderr]   |
[INFO] [stderr] 1 | use serde::{Serialize, Deserialize, de::{Visitor, Error}};
[INFO] [stderr]   |                                          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::json`
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use serde_json::json;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RwLock`
[INFO] [stderr]   --> src/lib.rs:11:34
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio::sync::{mpsc::channel, RwLock};
[INFO] [stderr]    |                                  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:16:76
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub async fn connect_socket(project_id: &'static str, token: &'static str, mut events: impl Events) {
[INFO] [stderr]    |                                                                            ----^^^^^^
[INFO] [stderr]    |                                                                            |
[INFO] [stderr]    |                                                                            help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/message.rs:70:7
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let val = serde_json::Value::deserialize(deserializer)?.as_array().unwrap_or(Err(Error::custom("not an array"))?);
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `hash` and `filter` are never read
[INFO] [stderr]   --> src/subscription.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub(crate) struct Subscription {
[INFO] [stderr]    |                   ------------ fields in this struct
[INFO] [stderr] 12 |     pub hash: i64,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 13 |     pub callback: Arc<Box<dyn Subscriber + 'static + Send + Sync>>,
[INFO] [stderr] 14 |     pub filter: Value,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Publish`, `Edit`, `Unsubscribe`, `Remote`, and `DefaultConfig` are never constructed
[INFO] [stderr]   --> src/message.rs:79:2
[INFO] [stderr]    |
[INFO] [stderr] 76 | enum MessageType {
[INFO] [stderr]    |      ----------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 79 |     Publish = 3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 80 |     Edit = 4,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 81 |     Unsubscribe = 5,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 82 |     Remote = 6,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 83 |     DefaultConfig = 7,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simplesocket` (lib) generated 12 warnings (run `cargo fix --lib -p simplesocket` to apply 10 suggestions)
[INFO] [stderr] warning: `simplesocket` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simplesocket-8edbc137ee29cb3b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test context::test_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simplesocket
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7717ca51a9430b15c95fe4eb0d7748592db599e76a567c57d50d996de5176942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7717ca51a9430b15c95fe4eb0d7748592db599e76a567c57d50d996de5176942", kill_on_drop: false }`
[INFO] [stdout] 7717ca51a9430b15c95fe4eb0d7748592db599e76a567c57d50d996de5176942
