[INFO] fetching crate romp 0.5.2... [INFO] checking romp-0.5.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate romp 0.5.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate romp 0.5.2 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 romp 0.5.2 [INFO] finished tweaking crates.io crate romp 0.5.2 [INFO] tweaked toml for crates.io crate romp 0.5.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate romp 0.5.2 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 tokio-reactor v0.1.11 [INFO] [stderr] Downloaded tokio-sync v0.1.7 [INFO] [stderr] Downloaded futures v0.1.29 [INFO] [stderr] Downloaded proc-macro2 v1.0.8 [INFO] [stderr] Downloaded sha2 v0.8.1 [INFO] [stderr] Downloaded tokio-current-thread v0.1.6 [INFO] [stderr] Downloaded tokio-fs v0.1.6 [INFO] [stderr] Downloaded base16 v0.2.1 [INFO] [stderr] Downloaded stable_deref_trait v1.1.1 [INFO] [stderr] Downloaded syn v1.0.14 [INFO] [stderr] Downloaded serde_json v1.0.45 [INFO] [stderr] Downloaded arc-swap v0.3.11 [INFO] [stderr] Downloaded flate2 v1.0.13 [INFO] [stderr] Downloaded tokio-signal v0.2.7 [INFO] [stderr] Downloaded antidote v1.0.0 [INFO] [stderr] Downloaded miniz_oxide v0.3.5 [INFO] [stderr] Downloaded ordered-float v1.0.2 [INFO] [stderr] Downloaded serde-value v0.5.3 [INFO] [stderr] Downloaded dtoa v0.4.4 [INFO] [stderr] Downloaded linked-hash-map v0.5.2 [INFO] [stderr] Downloaded yaml-rust v0.4.3 [INFO] [stderr] Downloaded serde_yaml v0.8.11 [INFO] [stderr] Downloaded log4rs v0.8.3 [INFO] [stderr] Downloaded tokio-tcp v0.1.3 [INFO] [stderr] Downloaded tokio-threadpool v0.1.17 [INFO] [stderr] Downloaded tokio-timer v0.2.12 [INFO] [stderr] Downloaded tokio-udp v0.1.5 [INFO] [stderr] Downloaded tokio-codec v0.1.1 [INFO] [stderr] Downloaded tokio-uds v0.2.5 [INFO] [stderr] Downloaded arc-swap v0.4.4 [INFO] [stderr] Downloaded signal-hook v0.1.13 [INFO] [stderr] Downloaded hermit-abi v0.1.6 [INFO] [stderr] Downloaded lock_api v0.3.3 [INFO] [stderr] Downloaded smallvec v0.6.13 [INFO] [stderr] Downloaded parking_lot_core v0.6.2 [INFO] [stderr] Downloaded tokio-executor v0.1.9 [INFO] [stderr] Downloaded tokio-io v0.1.12 [INFO] [stderr] Downloaded totems v0.2.7 [INFO] [stderr] Downloaded sanename v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 60d423595076da7a2fe711b999ae0d219eb6d409d9bd082d97ddca128d627b28 [INFO] running `Command { std: "docker" "start" "-a" "60d423595076da7a2fe711b999ae0d219eb6d409d9bd082d97ddca128d627b28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "60d423595076da7a2fe711b999ae0d219eb6d409d9bd082d97ddca128d627b28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60d423595076da7a2fe711b999ae0d219eb6d409d9bd082d97ddca128d627b28", kill_on_drop: false }` [INFO] [stdout] 60d423595076da7a2fe711b999ae0d219eb6d409d9bd082d97ddca128d627b28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bfabb24b9d4281bb03b30665d610df3c0e1d2d1e2de64824e50660f081a2e5e6 [INFO] running `Command { std: "docker" "start" "-a" "bfabb24b9d4281bb03b30665d610df3c0e1d2d1e2de64824e50660f081a2e5e6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking futures v0.1.29 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking lock_api v0.3.3 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Checking tokio-executor v0.1.9 [INFO] [stderr] Checking tokio-sync v0.1.7 [INFO] [stderr] Compiling typenum 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parking_lot_core v0.2.14 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking dtoa v0.4.4 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking parking_lot v0.4.8 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking signal-hook v0.1.13 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.12 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking arc-swap v0.3.11 [INFO] [stderr] Checking antidote v1.0.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking chashmap v2.2.2 [INFO] [stderr] Checking base16 v0.2.1 [INFO] 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(/opt/rustwide/workdir) [INFO] [stdout] warning: the item `StompSession` is imported redundantly [INFO] [stdout] --> src/downstream.rs:19:37 [INFO] [stdout] | [INFO] [stdout] 15 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `StompSession` is already imported here [INFO] [stdout] ... [INFO] [stdout] 19 | use crate::session::stomp_session::{StompSession, FLAG_DOWNSTREAM}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `StompCommand` is imported redundantly [INFO] [stdout] --> src/message/response.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::message::stomp_message::*; [INFO] [stdout] | -------------------------------- the item `StompCommand` is already imported here [INFO] [stdout] 7 | use crate::message::stomp_message::StompCommand; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `StompCommand` is imported redundantly [INFO] [stdout] --> src/parser.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::message::stomp_message::*; [INFO] [stdout] | -------------------------------- the item `StompCommand` is already imported here [INFO] [stdout] 10 | use crate::message::stomp_message::StompCommand; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/session/interruptible_interval.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::*; [INFO] [stdout] | ---------- the item `Future` is already imported here [INFO] [stdout] 7 | use futures::{Future, Poll, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/session/interruptible_interval.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::*; [INFO] [stdout] | ---------- the item `Poll` is already imported here [INFO] [stdout] 7 | use futures::{Future, Poll, Stream}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/session/interruptible_interval.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::*; [INFO] [stdout] | ---------- the item `Stream` is already imported here [INFO] [stdout] 7 | use futures::{Future, Poll, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/session/writer.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::*; [INFO] [stdout] | ---------- the item `Future` is already imported here [INFO] [stdout] ... [INFO] [stdout] 11 | use tokio::prelude::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/workflow/filter/http.rs:45:29 [INFO] [stdout] | [INFO] [stdout] 45 | ... /// All HTTP errors are fatal [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | ... fatal: true [INFO] [stdout] | ----------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `StompSession` is imported redundantly [INFO] [stdout] --> src/downstream.rs:19:37 [INFO] [stdout] | [INFO] [stdout] 15 | use crate::prelude::*; [INFO] [stdout] | ----------------- the item `StompSession` is already imported here [INFO] [stdout] ... [INFO] [stdout] 19 | use crate::session::stomp_session::{StompSession, FLAG_DOWNSTREAM}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `StompCommand` is imported redundantly [INFO] [stdout] --> src/message/response.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::message::stomp_message::*; [INFO] [stdout] | -------------------------------- the item `StompCommand` is already imported here [INFO] [stdout] 7 | use crate::message::stomp_message::StompCommand; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/session/interruptible_interval.rs:7:15 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::*; [INFO] [stdout] | ---------- the item `Future` is already imported here [INFO] [stdout] 7 | use futures::{Future, Poll, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Poll` is imported redundantly [INFO] [stdout] --> src/session/interruptible_interval.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::*; [INFO] [stdout] | ---------- the item `Poll` is already imported here [INFO] [stdout] 7 | use futures::{Future, Poll, Stream}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Stream` is imported redundantly [INFO] [stdout] --> src/session/interruptible_interval.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 6 | use futures::*; [INFO] [stdout] | ---------- the item `Stream` is already imported here [INFO] [stdout] 7 | use futures::{Future, Poll, Stream}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Future` is imported redundantly [INFO] [stdout] --> src/session/writer.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::*; [INFO] [stdout] | ---------- the item `Future` is already imported here [INFO] [stdout] ... [INFO] [stdout] 11 | use tokio::prelude::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Duration` is imported redundantly [INFO] [stdout] --> src/workflow/destination/destination.rs:536:9 [INFO] [stdout] | [INFO] [stdout] 536 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 540 | use super::*; [INFO] [stdout] | -------- the item `Duration` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/workflow/destination/destination.rs:538:9 [INFO] [stdout] | [INFO] [stdout] 538 | use crate::config::config; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 539 | [INFO] [stdout] 540 | use super::*; [INFO] [stdout] | -------- the item `config` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `config` is imported redundantly [INFO] [stdout] --> src/workflow/destination/server.rs:266:9 [INFO] [stdout] | [INFO] [stdout] 266 | use crate::config; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 267 | [INFO] [stdout] 268 | use super::*; [INFO] [stdout] | -------- the item `config` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/workflow/filter/http.rs:45:29 [INFO] [stdout] | [INFO] [stdout] 45 | ... /// All HTTP errors are fatal [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 46 | ... fatal: true [INFO] [stdout] | ----------- rustdoc does not generate documentation for expression fields [INFO] [stdout] | [INFO] [stdout] = help: use `//` for a plain comment [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/session/reader.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut message = self.parser.take_message(Ownership::Session); [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/session/reader.rs:183:13 [INFO] [stdout] | [INFO] [stdout] 183 | let mut message = self.parser.take_message(Ownership::Session); [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: field `session_id` is never read [INFO] [stdout] --> src/session/reader.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Reader { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 33 | session: Arc>, [INFO] [stdout] 34 | session_id: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/message/serializer.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | drop(message); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&SessionMessage` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::string::String::split_off` that must be used [INFO] [stdout] --> src/workflow/filter/echo.rs:41:29 [INFO] [stdout] | [INFO] [stdout] 41 | ... reply_destination.split_off(destination_name.len() - 3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = reply_destination.split_off(destination_name.len() - 3); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::string::String::split_off` that must be used [INFO] [stdout] --> src/workflow/filter/resend.rs:40:29 [INFO] [stdout] | [INFO] [stdout] 40 | ... reply_destination.split_off(destination_name.len() - 3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = reply_destination.split_off(destination_name.len() - 3); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `session_id` is never read [INFO] [stdout] --> src/session/reader.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Reader { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 33 | session: Arc>, [INFO] [stdout] 34 | session_id: usize, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/message/serializer.rs:83:21 [INFO] [stdout] | [INFO] [stdout] 83 | drop(message); [INFO] [stdout] | ^^^^^-------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mq::SessionMessage` [INFO] [stdout] | [INFO] [stdout] = note: use `let _ = ...` to ignore the expression or result [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::string::String::split_off` that must be used [INFO] [stdout] --> src/workflow/filter/echo.rs:41:29 [INFO] [stdout] | [INFO] [stdout] 41 | ... reply_destination.split_off(destination_name.len() - 3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 41 | let _ = reply_destination.split_off(destination_name.len() - 3); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::string::String::split_off` that must be used [INFO] [stdout] --> src/workflow/filter/resend.rs:40:29 [INFO] [stdout] | [INFO] [stdout] 40 | ... reply_destination.split_off(destination_name.len() - 3); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = reply_destination.split_off(destination_name.len() - 3); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.90s [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" "bfabb24b9d4281bb03b30665d610df3c0e1d2d1e2de64824e50660f081a2e5e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfabb24b9d4281bb03b30665d610df3c0e1d2d1e2de64824e50660f081a2e5e6", kill_on_drop: false }` [INFO] [stdout] bfabb24b9d4281bb03b30665d610df3c0e1d2d1e2de64824e50660f081a2e5e6