[INFO] fetching crate rs-connections 0.2.5... [INFO] checking rs-connections-0.2.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate rs-connections 0.2.5 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate rs-connections 0.2.5 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 crates.io crate rs-connections 0.2.5 [INFO] finished tweaking crates.io crate rs-connections 0.2.5 [INFO] tweaked toml for crates.io crate rs-connections 0.2.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate rs-connections 0.2.5 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uuid-macro-internal v1.4.1 [INFO] [stderr] Downloaded websocket-base v0.26.5 [INFO] [stderr] Downloaded websocket v0.26.5 [INFO] [stderr] Downloaded rs-event-emitter v0.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 61d47b4205bd4e799d91bbf99dae1be42aaa81705c7cb787d6a1220ee61448a4 [INFO] running `Command { std: "docker" "start" "-a" "61d47b4205bd4e799d91bbf99dae1be42aaa81705c7cb787d6a1220ee61448a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61d47b4205bd4e799d91bbf99dae1be42aaa81705c7cb787d6a1220ee61448a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61d47b4205bd4e799d91bbf99dae1be42aaa81705c7cb787d6a1220ee61448a4", kill_on_drop: false }` [INFO] [stdout] 61d47b4205bd4e799d91bbf99dae1be42aaa81705c7cb787d6a1220ee61448a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 402f2275a4a7476b800da7fcc3503b53e5d66061b71667cdd5dc04d30cc4c9cb [INFO] running `Command { std: "docker" "start" "-a" "402f2275a4a7476b800da7fcc3503b53e5d66061b71667cdd5dc04d30cc4c9cb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling openssl v0.10.54 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling tokio v1.28.2 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling async-trait v0.1.68 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Compiling thiserror v1.0.40 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking hashbrown v0.14.0 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Checking iana-time-zone v0.1.57 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Compiling openssl-sys v0.9.88 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking dashmap v5.5.0 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking chrono v0.4.26 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Compiling uuid-macro-internal v1.4.1 [INFO] [stderr] Compiling thiserror-impl v1.0.40 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Checking uuid v1.4.1 [INFO] [stderr] Checking rs-event-emitter v0.0.5 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket-base v0.26.5 [INFO] [stderr] Checking websocket v0.26.5 [INFO] [stderr] Checking tokio-stream v0.1.14 [INFO] [stderr] Checking tokio-test v0.4.2 [INFO] [stderr] Checking rs-connections v0.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `any::Any`, `sync::Arc` [INFO] [stdout] --> src/builder.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Debug, sync::Arc, any::Any}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `any::Any`, `sync::Arc` [INFO] [stdout] --> src/builder.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{fmt::Debug, sync::Arc, any::Any}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ConnectionInterface` is imported redundantly [INFO] [stdout] --> src/lib.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | ConnectionInterface, Emitter, Protocol, CLOSE_EVENT, CONNECTED_EVENT, CONNECTING_EVENT, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `ConnectionInterface` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Emitter` is imported redundantly [INFO] [stdout] --> src/lib.rs:29:34 [INFO] [stdout] | [INFO] [stdout] 29 | ConnectionInterface, Emitter, Protocol, CLOSE_EVENT, CONNECTED_EVENT, CONNECTING_EVENT, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `Emitter` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Protocol` is imported redundantly [INFO] [stdout] --> src/lib.rs:29:43 [INFO] [stdout] | [INFO] [stdout] 29 | ConnectionInterface, Emitter, Protocol, CLOSE_EVENT, CONNECTED_EVENT, CONNECTING_EVENT, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `Protocol` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `CLOSE_EVENT` is imported redundantly [INFO] [stdout] --> src/lib.rs:29:53 [INFO] [stdout] | [INFO] [stdout] 29 | ConnectionInterface, Emitter, Protocol, CLOSE_EVENT, CONNECTED_EVENT, CONNECTING_EVENT, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `CLOSE_EVENT` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `CONNECTED_EVENT` is imported redundantly [INFO] [stdout] --> src/lib.rs:29:66 [INFO] [stdout] | [INFO] [stdout] 29 | ConnectionInterface, Emitter, Protocol, CLOSE_EVENT, CONNECTED_EVENT, CONNECTING_EVENT, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `CONNECTED_EVENT` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `CONNECTING_EVENT` is imported redundantly [INFO] [stdout] --> src/lib.rs:29:83 [INFO] [stdout] | [INFO] [stdout] 29 | ConnectionInterface, Emitter, Protocol, CLOSE_EVENT, CONNECTED_EVENT, CONNECTING_EVENT, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `CONNECTING_EVENT` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DISCONNECT_EVENT` is imported redundantly [INFO] [stdout] --> src/lib.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | DISCONNECT_EVENT, ERROR_EVENT, MESSAGE_EVENT, RECONNECT_EVENT, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `DISCONNECT_EVENT` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ERROR_EVENT` is imported redundantly [INFO] [stdout] --> src/lib.rs:30:31 [INFO] [stdout] | [INFO] [stdout] 30 | DISCONNECT_EVENT, ERROR_EVENT, MESSAGE_EVENT, RECONNECT_EVENT, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `ERROR_EVENT` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `MESSAGE_EVENT` is imported redundantly [INFO] [stdout] --> src/lib.rs:30:44 [INFO] [stdout] | [INFO] [stdout] 30 | DISCONNECT_EVENT, ERROR_EVENT, MESSAGE_EVENT, RECONNECT_EVENT, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `MESSAGE_EVENT` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RECONNECT_EVENT` is imported redundantly [INFO] [stdout] --> src/lib.rs:30:59 [INFO] [stdout] | [INFO] [stdout] 30 | DISCONNECT_EVENT, ERROR_EVENT, MESSAGE_EVENT, RECONNECT_EVENT, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `RECONNECT_EVENT` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ConnBuilder` is imported redundantly [INFO] [stdout] --> src/lib.rs:32:19 [INFO] [stdout] | [INFO] [stdout] 32 | builder::{ConnBuilder, ConnBuilderConfig}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `ConnBuilder` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ConnBuilderConfig` is imported redundantly [INFO] [stdout] --> src/lib.rs:32:32 [INFO] [stdout] | [INFO] [stdout] 32 | builder::{ConnBuilder, ConnBuilderConfig}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | use super::*; [INFO] [stdout] | -------- the item `ConnBuilderConfig` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ConnectionTrait` is never used [INFO] [stdout] --> src/builder.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait ConnectionTrait: ConnNew + Sync + Send + Clone {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ConnectionTrait` is never used [INFO] [stdout] --> src/builder.rs:35:11 [INFO] [stdout] | [INFO] [stdout] 35 | pub trait ConnectionTrait: ConnNew + Sync + Send + Clone {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.84s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "402f2275a4a7476b800da7fcc3503b53e5d66061b71667cdd5dc04d30cc4c9cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "402f2275a4a7476b800da7fcc3503b53e5d66061b71667cdd5dc04d30cc4c9cb", kill_on_drop: false }` [INFO] [stdout] 402f2275a4a7476b800da7fcc3503b53e5d66061b71667cdd5dc04d30cc4c9cb