[INFO] fetching crate slack-web-api 0.1.1...
[INFO] testing slack-web-api-0.1.1 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate slack-web-api 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate slack-web-api 0.1.1
[INFO] finished tweaking crates.io crate slack-web-api 0.1.1
[INFO] tweaked toml for crates.io crate slack-web-api 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slack-web-api 0.1.1 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 119 packages to latest compatible versions
[INFO] [stderr]       Adding hyper v0.14.32 (available: v1.8.1)
[INFO] [stderr]       Adding hyper-tls v0.5.0 (available: v0.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dd3db1731ee2a3fd0dd5f81ee5b34805085b510878f13820e0dbea26a8c5202
[INFO] running `Command { std: "docker" "start" "-a" "3dd3db1731ee2a3fd0dd5f81ee5b34805085b510878f13820e0dbea26a8c5202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dd3db1731ee2a3fd0dd5f81ee5b34805085b510878f13820e0dbea26a8c5202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd3db1731ee2a3fd0dd5f81ee5b34805085b510878f13820e0dbea26a8c5202", kill_on_drop: false }`
[INFO] [stdout] 3dd3db1731ee2a3fd0dd5f81ee5b34805085b510878f13820e0dbea26a8c5202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab22ca46ce348ade1225fc3c470239603fe0b3298625d5d06c995345e3e792f6
[INFO] running `Command { std: "docker" "start" "-a" "ab22ca46ce348ade1225fc3c470239603fe0b3298625d5d06c995345e3e792f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling mpart-async v0.7.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling slack-web-api v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SlackBlockKitCompositionObject`
[INFO] [stdout]  --> src/entity/block_kit/block.rs:1:102
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{BlockElementImage, BlockElementPlaneTextInput, CompositionObjectText, SlackBlockElement, SlackBlockKitCompositionObject};
[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: `std::io::Read`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn channel<S: Into<String>>(mut self, channel: S) -> SlackMessageBuilder {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn icon_emoji<S: Into<String>>(mut self, icon_emoji: S) -> SlackMessageBuilder {
[INFO] [stdout]    |                                        ----^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn username<S: Into<String>>(mut self, username: S) -> SlackMessageBuilder {
[INFO] [stdout]    |                                      ----^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:36:57
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn attachments<A: Into<SlackMessageAttachment>>(mut self, attachments: Vec<A>) -> SlackMessageBuilder {
[INFO] [stdout]    |                                                         ----^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn color<S: Into<String>>(mut self, color: S) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                   ----^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn block<B: Into<SlackBlock>>(mut self, block: B) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                       ----^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:77:40
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn blocks<B: Into<SlackBlock>>(mut self, blocks: Vec<B>) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                        ----^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut blocks = blocks;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.83s
[INFO] running `Command { std: "docker" "inspect" "ab22ca46ce348ade1225fc3c470239603fe0b3298625d5d06c995345e3e792f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab22ca46ce348ade1225fc3c470239603fe0b3298625d5d06c995345e3e792f6", kill_on_drop: false }`
[INFO] [stdout] ab22ca46ce348ade1225fc3c470239603fe0b3298625d5d06c995345e3e792f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9a5bfd2234e89761822eda91379f98410a42551373feefb6a0bf7f7d802a24
[INFO] running `Command { std: "docker" "start" "-a" "3a9a5bfd2234e89761822eda91379f98410a42551373feefb6a0bf7f7d802a24", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.49.0
[INFO] [stderr]    Compiling tokio-util v0.7.18
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.27
[INFO] [stderr]    Compiling mpart-async v0.7.0
[INFO] [stderr]    Compiling hyper v0.14.32
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling slack-web-api v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SlackBlockKitCompositionObject`
[INFO] [stdout]  --> src/entity/block_kit/block.rs:1:102
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{BlockElementImage, BlockElementPlaneTextInput, CompositionObjectText, SlackBlockElement, SlackBlockKitCompositionObject};
[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: `std::io::Read`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SlackBlockKitCompositionObject`
[INFO] [stdout]  --> src/entity/block_kit/block.rs:1:102
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{BlockElementImage, BlockElementPlaneTextInput, CompositionObjectText, SlackBlockElement, SlackBlockKitCompositionObject};
[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: `std::io::Read`
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn channel<S: Into<String>>(mut self, channel: S) -> SlackMessageBuilder {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn icon_emoji<S: Into<String>>(mut self, icon_emoji: S) -> SlackMessageBuilder {
[INFO] [stdout]    |                                        ----^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn username<S: Into<String>>(mut self, username: S) -> SlackMessageBuilder {
[INFO] [stdout]    |                                      ----^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:36:57
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn attachments<A: Into<SlackMessageAttachment>>(mut self, attachments: Vec<A>) -> SlackMessageBuilder {
[INFO] [stdout]    |                                                         ----^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn color<S: Into<String>>(mut self, color: S) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                   ----^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn block<B: Into<SlackBlock>>(mut self, block: B) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                       ----^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:77:40
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn blocks<B: Into<SlackBlock>>(mut self, blocks: Vec<B>) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                        ----^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut blocks = blocks;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:21:37
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn channel<S: Into<String>>(mut self, channel: S) -> SlackMessageBuilder {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn icon_emoji<S: Into<String>>(mut self, icon_emoji: S) -> SlackMessageBuilder {
[INFO] [stdout]    |                                        ----^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:31:38
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn username<S: Into<String>>(mut self, username: S) -> SlackMessageBuilder {
[INFO] [stdout]    |                                      ----^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:36:57
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn attachments<A: Into<SlackMessageAttachment>>(mut self, attachments: Vec<A>) -> SlackMessageBuilder {
[INFO] [stdout]    |                                                         ----^^^^
[INFO] [stdout]    |                                                         |
[INFO] [stdout]    |                                                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn color<S: Into<String>>(mut self, color: S) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                   ----^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:70:39
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn block<B: Into<SlackBlock>>(mut self, block: B) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                       ----^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:77:40
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn blocks<B: Into<SlackBlock>>(mut self, blocks: Vec<B>) -> SlackAttachmentBuilder {
[INFO] [stdout]    |                                        ----^^^^
[INFO] [stdout]    |                                        |
[INFO] [stdout]    |                                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut blocks = blocks;
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SlackApiChatGetPermalinkRequest`, `SlackApiChatMeMessageResponse`, `SlackApiChatPostMessageRequest`, `SlackApiChatUnfurlRequest`, and `SlackMessageAttachment`
[INFO] [stdout]  --> tests/test_chat.rs:1:53
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...t, SlackApiChatGetPermalinkRequest, SlackApiChatMeMessageRequest, SlackApiChatMeMessageResponse, SlackApiChatPostEphemeralRequest, SlackApiChatPostMessageRequest, SlackApiChatScheduledMessagesListRequest, SlackApiChatScheduleMessageRequest, SlackApiChatUnfurlRequest, SlackApiChatUpdateRequest, SlackMessageAttachment};
[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: `SlackBlockFile`
[INFO] [stdout]  --> tests/test_chat.rs:2:87
[INFO] [stdout]   |
[INFO] [stdout] 2 | use slack_web_api::{CompositionObjectText, SlackAttachmentBuilder, SlackBlockContext, SlackBlockFile, SlackBlockHeader, SlackClient, ...
[INFO] [stdout]   |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> tests/test_chat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 21.66s
[INFO] running `Command { std: "docker" "inspect" "3a9a5bfd2234e89761822eda91379f98410a42551373feefb6a0bf7f7d802a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9a5bfd2234e89761822eda91379f98410a42551373feefb6a0bf7f7d802a24", kill_on_drop: false }`
[INFO] [stdout] 3a9a5bfd2234e89761822eda91379f98410a42551373feefb6a0bf7f7d802a24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3501a177e1c72f1020987ec441ff737cc0fe148466891b94e89bbba2cf3b6872
[INFO] running `Command { std: "docker" "start" "-a" "3501a177e1c72f1020987ec441ff737cc0fe148466891b94e89bbba2cf3b6872", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `SlackBlockKitCompositionObject`
[INFO] [stderr]  --> src/entity/block_kit/block.rs:1:102
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{BlockElementImage, BlockElementPlaneTextInput, CompositionObjectText, SlackBlockElement, SlackBlockKitCompositionObject};
[INFO] [stderr]   |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Read`
[INFO] [stderr]  --> src/lib.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::Read;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder.rs:21:37
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn channel<S: Into<String>>(mut self, channel: S) -> SlackMessageBuilder {
[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: variable does not need to be mutable
[INFO] [stderr]   --> src/builder.rs:26:40
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn icon_emoji<S: Into<String>>(mut self, icon_emoji: S) -> SlackMessageBuilder {
[INFO] [stderr]    |                                        ----^^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder.rs:31:38
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn username<S: Into<String>>(mut self, username: S) -> SlackMessageBuilder {
[INFO] [stderr]    |                                      ----^^^^
[INFO] [stderr]    |                                      |
[INFO] [stderr]    |                                      help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder.rs:36:57
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn attachments<A: Into<SlackMessageAttachment>>(mut self, attachments: Vec<A>) -> SlackMessageBuilder {
[INFO] [stderr]    |                                                         ----^^^^
[INFO] [stderr]    |                                                         |
[INFO] [stderr]    |                                                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder.rs:64:35
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn color<S: Into<String>>(mut self, color: S) -> SlackAttachmentBuilder {
[INFO] [stderr]    |                                   ----^^^^
[INFO] [stderr]    |                                   |
[INFO] [stderr]    |                                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder.rs:70:39
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn block<B: Into<SlackBlock>>(mut self, block: B) -> SlackAttachmentBuilder {
[INFO] [stderr]    |                                       ----^^^^
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder.rs:77:40
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn blocks<B: Into<SlackBlock>>(mut self, blocks: Vec<B>) -> SlackAttachmentBuilder {
[INFO] [stderr]    |                                        ----^^^^
[INFO] [stderr]    |                                        |
[INFO] [stderr]    |                                        help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let mut blocks = blocks;
[INFO] [stderr]    |             ----^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `slack-web-api` (lib) generated 10 warnings (run `cargo fix --lib -p slack-web-api` to apply 10 suggestions)
[INFO] [stderr] warning: `slack-web-api` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: unused imports: `SlackApiChatGetPermalinkRequest`, `SlackApiChatMeMessageResponse`, `SlackApiChatPostMessageRequest`, `SlackApiChatUnfurlRequest`, and `SlackMessageAttachment`
[INFO] [stderr]  --> tests/test_chat.rs:1:53
[INFO] [stderr]   |
[INFO] [stderr] 1 | ...t, SlackApiChatGetPermalinkRequest, SlackApiChatMeMessageRequest, SlackApiChatMeMessageResponse, SlackApiChatPostEphemeralRequest, SlackApiChatPostMessageRequest, SlackApiChatScheduledMessagesListRequest, SlackApiChatScheduleMessageRequest, SlackApiChatUnfurlRequest, SlackApiChatUpdateRequest, SlackMessageAttachment};
[INFO] [stderr]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SlackBlockFile`
[INFO] [stderr]  --> tests/test_chat.rs:2:87
[INFO] [stderr]   |
[INFO] [stderr] 2 | use slack_web_api::{CompositionObjectText, SlackAttachmentBuilder, SlackBlockContext, SlackBlockFile, SlackBlockHeader, SlackClient, ...
[INFO] [stderr]   |                                                                                       ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process::exit`
[INFO] [stderr]  --> tests/test_chat.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::process::exit;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `slack-web-api` (test "test_chat") generated 3 warnings (run `cargo fix --test "test_chat" -p slack-web-api` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slack_web_api-b546727ac4559fc9)
[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] [stderr]      Running tests/test_chat.rs (/opt/rustwide/target/debug/deps/test_chat-26f4242815a593be)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test' (26) panicked at tests/test_chat.rs:7:51:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: NotPresent
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x6503d839f2d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x6503d839f2d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x6503d839f2d2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x6503d839f2d2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x6503d83b554a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x6503d83b554a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x6503d83a4526 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x6503d83a4526 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x6503d837c96f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x6503d837c96f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x6503d8396f39 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x6503d81518ce - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x6503d81518ce - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x6503d83971a2 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x6503d83971a2 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x6503d837ca28 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x6503d8371b39 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x6503d837da4d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x6503d83b5c8c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x6503d83b5a02 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x6503d80d4014 - <core[585f66e14d78f9ba]::result::Result<alloc[15e7b27aba85d2e2]::string::String, std[3f03f8b59f91bef1]::env::VarError>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x6503d80d4014 - test_chat[cbcc9d10220a9d74]::test::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_chat.rs:7:51
[INFO] [stdout]   22:     0x6503d810eef2 - <core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>> as core[585f66e14d78f9ba]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/future/future.rs:133:9
[INFO] [stdout]   23:     0x6503d810ef6d - <core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>> as core[585f66e14d78f9ba]::future::future::Future>::poll
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/future/future.rs:133:9
[INFO] [stdout]   24:     0x6503d8062b9d - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:753:70
[INFO] [stdout]   25:     0x6503d8062a9b - tokio[830e299ca8fd022e]::task::coop::with_budget::<core[585f66e14d78f9ba]::task::poll::Poll<()>, <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/task/coop/mod.rs:167:5
[INFO] [stdout]   26:     0x6503d8062a9b - tokio[830e299ca8fd022e]::task::coop::budget::<core[585f66e14d78f9ba]::task::poll::Poll<()>, <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/task/coop/mod.rs:133:5
[INFO] [stdout]   27:     0x6503d8062a9b - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:753:25
[INFO] [stdout]   28:     0x6503d8056700 - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::Context>::enter::<core[585f66e14d78f9ba]::task::poll::Poll<()>, <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:442:19
[INFO] [stdout]   29:     0x6503d80619fd - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:752:44
[INFO] [stdout]   30:     0x6503d8060cf4 - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}, core[585f66e14d78f9ba]::option::Option<()>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:840:68
[INFO] [stdout]   31:     0x6503d80e9acb - <tokio[830e299ca8fd022e]::runtime::context::scoped::Scoped<tokio[830e299ca8fd022e]::runtime::scheduler::Context>>::set::<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}, core[585f66e14d78f9ba]::option::Option<()>>::{closure#0}, (alloc[15e7b27aba85d2e2]::boxed::Box<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::Core>, core[585f66e14d78f9ba]::option::Option<()>)>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/context/scoped.rs:40:9
[INFO] [stdout]   32:     0x6503d80f1259 - tokio[830e299ca8fd022e]::runtime::context::set_scheduler::<(alloc[15e7b27aba85d2e2]::boxed::Box<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::Core>, core[585f66e14d78f9ba]::option::Option<()>), <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}, core[585f66e14d78f9ba]::option::Option<()>>::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/context.rs:176:38
[INFO] [stdout]   33:     0x6503d8073c82 - <std[3f03f8b59f91bef1]::thread::local::LocalKey<tokio[830e299ca8fd022e]::runtime::context::Context>>::try_with::<tokio[830e299ca8fd022e]::runtime::context::set_scheduler<(alloc[15e7b27aba85d2e2]::boxed::Box<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::Core>, core[585f66e14d78f9ba]::option::Option<()>), <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}, core[585f66e14d78f9ba]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[15e7b27aba85d2e2]::boxed::Box<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::Core>, core[585f66e14d78f9ba]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/local.rs:513:12
[INFO] [stdout]   34:     0x6503d807380e - <std[3f03f8b59f91bef1]::thread::local::LocalKey<tokio[830e299ca8fd022e]::runtime::context::Context>>::with::<tokio[830e299ca8fd022e]::runtime::context::set_scheduler<(alloc[15e7b27aba85d2e2]::boxed::Box<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::Core>, core[585f66e14d78f9ba]::option::Option<()>), <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}, core[585f66e14d78f9ba]::option::Option<()>>::{closure#0}>::{closure#0}, (alloc[15e7b27aba85d2e2]::boxed::Box<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::Core>, core[585f66e14d78f9ba]::option::Option<()>)>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/local.rs:477:20
[INFO] [stdout]   35:     0x6503d80edeed - tokio[830e299ca8fd022e]::runtime::context::set_scheduler::<(alloc[15e7b27aba85d2e2]::boxed::Box<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::Core>, core[585f66e14d78f9ba]::option::Option<()>), <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::enter<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}, core[585f66e14d78f9ba]::option::Option<()>>::{closure#0}>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/context.rs:176:17
[INFO] [stdout]   36:     0x6503d805ac70 - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::enter::<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>::{closure#0}, core[585f66e14d78f9ba]::option::Option<()>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:840:27
[INFO] [stdout]   37:     0x6503d805af66 - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CoreGuard>::block_on::<core[585f66e14d78f9ba]::pin::Pin<&mut core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:740:24
[INFO] [stdout]   38:     0x6503d8060800 - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:200:33
[INFO] [stdout]   39:     0x6503d80d0f63 - tokio[830e299ca8fd022e]::runtime::context::runtime::enter_runtime::<<tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CurrentThread>::block_on<core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>::{closure#0}, ()>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/context/runtime.rs:65:16
[INFO] [stdout]   40:     0x6503d80548c1 - <tokio[830e299ca8fd022e]::runtime::scheduler::current_thread::CurrentThread>::block_on::<core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/scheduler/current_thread/mod.rs:188:9
[INFO] [stdout]   41:     0x6503d80b44e4 - <tokio[830e299ca8fd022e]::runtime::runtime::Runtime>::block_on_inner::<core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/runtime.rs:368:52
[INFO] [stdout]   42:     0x6503d80b46ac - <tokio[830e299ca8fd022e]::runtime::runtime::Runtime>::block_on::<core[585f66e14d78f9ba]::pin::Pin<&mut dyn core[585f66e14d78f9ba]::future::future::Future<Output = ()>>>
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.49.0/src/runtime/runtime.rs:342:18
[INFO] [stdout]   43:     0x6503d80db7e2 - test_chat[cbcc9d10220a9d74]::test
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_chat.rs:69:44
[INFO] [stdout]   44:     0x6503d80d3d67 - test_chat[cbcc9d10220a9d74]::test::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/test_chat.rs:6:16
[INFO] [stdout]   45:     0x6503d808e3c6 - <test_chat[cbcc9d10220a9d74]::test::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x6503d8145c7b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x6503d8145c7b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   48:     0x6503d81524da - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   49:     0x6503d81524da - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   50:     0x6503d81524da - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   51:     0x6503d81524da - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   52:     0x6503d81524da - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   53:     0x6503d81524da - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   54:     0x6503d81524da - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   55:     0x6503d814c9a4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   56:     0x6503d814c9a4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   57:     0x6503d8154fd2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   58:     0x6503d8154fd2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   59:     0x6503d8154fd2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   60:     0x6503d8154fd2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   61:     0x6503d8154fd2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   62:     0x6503d8154fd2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   63:     0x6503d8154fd2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   64:     0x6503d839eb3f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   65:     0x6503d839eb3f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   66:     0x7bd311b57aa4 - <unknown>
[INFO] [stdout]   67:     0x7bd311be4a64 - clone
[INFO] [stdout]   68:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test test_chat`
[INFO] running `Command { std: "docker" "inspect" "3501a177e1c72f1020987ec441ff737cc0fe148466891b94e89bbba2cf3b6872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3501a177e1c72f1020987ec441ff737cc0fe148466891b94e89bbba2cf3b6872", kill_on_drop: false }`
[INFO] [stdout] 3501a177e1c72f1020987ec441ff737cc0fe148466891b94e89bbba2cf3b6872
