[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] checking spammy2/SimpleSocket.rs against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspammy2%2FSimpleSocket.rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-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-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/spammy2/SimpleSocket.rs on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10ed844bb3628db6f3e1729d9eff981ec3aea1f47d43f244b201c779f94f3dcf [INFO] running `Command { std: "docker" "start" "-a" "10ed844bb3628db6f3e1729d9eff981ec3aea1f47d43f244b201c779f94f3dcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10ed844bb3628db6f3e1729d9eff981ec3aea1f47d43f244b201c779f94f3dcf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10ed844bb3628db6f3e1729d9eff981ec3aea1f47d43f244b201c779f94f3dcf", kill_on_drop: false }` [INFO] [stdout] 10ed844bb3628db6f3e1729d9eff981ec3aea1f47d43f244b201c779f94f3dcf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fc9d1da9ce213c257da8b653bfa44ecf512522517a2fa586e1beb146ec19e2db [INFO] running `Command { std: "docker" "start" "-a" "fc9d1da9ce213c257da8b653bfa44ecf512522517a2fa586e1beb146ec19e2db", 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 syn v1.0.98 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking tinyvec v1.5.1 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Compiling rustls v0.20.4 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling native-tls v0.2.10 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking unicode-bidi v0.3.7 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling httparse v1.6.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Checking http v0.2.6 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling async-trait v0.1.56 [INFO] [stderr] Checking utf-8 v0.7.6 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Checking rustls-pemfile v0.2.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking rustls-native-certs v0.6.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking crypto-common v0.1.3 [INFO] [stderr] Checking block-buffer v0.10.2 [INFO] [stderr] Checking digest v0.10.3 [INFO] [stderr] Checking sha-1 v0.10.0 [INFO] [stderr] Checking url v2.2.2 [INFO] [stderr] Checking sct v0.7.0 [INFO] [stderr] Checking webpki v0.22.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tungstenite v0.17.2 [INFO] [stderr] Checking tokio-rustls v0.23.3 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking tokio-tungstenite v0.17.1 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking 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)]` 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: 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)]` 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)]` on by default [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)]` 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)]` 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>, [INFO] [stdout] 14 | pub filter: Value, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 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)]` 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>, [INFO] [stdout] 14 | pub filter: Value, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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 17.90s [INFO] running `Command { std: "docker" "inspect" "fc9d1da9ce213c257da8b653bfa44ecf512522517a2fa586e1beb146ec19e2db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc9d1da9ce213c257da8b653bfa44ecf512522517a2fa586e1beb146ec19e2db", kill_on_drop: false }` [INFO] [stdout] fc9d1da9ce213c257da8b653bfa44ecf512522517a2fa586e1beb146ec19e2db