[INFO] cloning repository https://github.com/lolgeny/challengerbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolgeny/challengerbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fchallengerbot", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00c1404f8d4d70a50f0147054b9feea0727c7f5d
[INFO] testing lolgeny/challengerbot against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolgeny%2Fchallengerbot" "/workspace/builds/worker-86/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-86/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lolgeny/challengerbot on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-86/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/lolgeny/challengerbot
[INFO] finished tweaking git repo https://github.com/lolgeny/challengerbot
[INFO] tweaked toml for git repo https://github.com/lolgeny/challengerbot written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate git repo https://github.com/lolgeny/challengerbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling challengerbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `join`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{join, lock::Mutex, try_join};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `guild::GuildStatus`
[INFO] [stdout]   --> src/main.rs:13:73
[INFO] [stdout]    |
[INFO] [stdout] 13 |     }, model::{channel::{Message, Reaction}, event::MessageUpdateEvent, guild::GuildStatus, id::{ChannelId, GuildId, MessageId}, prelude:...
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `guild::Guild`
[INFO] [stdout]  --> src/challenges.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         }, guild::Guild, id::{ChannelId, RoleId}, misc::Mentionable, permissions::Permissions}};
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `channel::Message`, `prelude::User`
[INFO] [stdout]  --> src/database.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     channel::Message,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     id::{ChannelId, MessageId, UserId},
[INFO] [stdout] 8 |     prelude::User,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Database`
[INFO] [stdout]  --> src/submissions.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     database::{Database, Submission},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context as _`
[INFO] [stdout]  --> src/submissions.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context as _, Result};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `join`, `lock::MutexGuard`
[INFO] [stdout]  --> src/submissions.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{join, lock::MutexGuard};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Channel`
[INFO] [stdout]  --> src/submissions.rs:7:51
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serenity::{client::Context, model::{channel::{Channel, Message, Reaction}, id::{MessageId, RoleId}, misc::Mentionable}};
[INFO] [stdout]   |                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/submissions.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub async fn message_update(ctx: &Context, message: &Message) -> Result<()> {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/submissions.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub async fn message_delete(ctx: &Context, message_id: &MessageId) -> Result<()> {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_submission`
[INFO] [stdout]   --> src/database.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_submission(&mut self, message: MessageId) -> Option<&mut Submission> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[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" "105dd7a3dde630d1dfd5097844d89dac45705dec9fad34f7d265e61b29fae372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105dd7a3dde630d1dfd5097844d89dac45705dec9fad34f7d265e61b29fae372", kill_on_drop: false }`
[INFO] [stdout] 105dd7a3dde630d1dfd5097844d89dac45705dec9fad34f7d265e61b29fae372
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 419104bfe0d4b3d84e9b68f085a3610a045ccaaf18fdd04fe2971b4b3157f376
[INFO] running `Command { std: "docker" "start" "-a" "419104bfe0d4b3d84e9b68f085a3610a045ccaaf18fdd04fe2971b4b3157f376", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling challengerbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `join`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{join, lock::Mutex, try_join};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `guild::GuildStatus`
[INFO] [stdout]   --> src/main.rs:13:73
[INFO] [stdout]    |
[INFO] [stdout] 13 |     }, model::{channel::{Message, Reaction}, event::MessageUpdateEvent, guild::GuildStatus, id::{ChannelId, GuildId, MessageId}, prelude:...
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `guild::Guild`
[INFO] [stdout]  --> src/challenges.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |         }, guild::Guild, id::{ChannelId, RoleId}, misc::Mentionable, permissions::Permissions}};
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `channel::Message`, `prelude::User`
[INFO] [stdout]  --> src/database.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     channel::Message,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     id::{ChannelId, MessageId, UserId},
[INFO] [stdout] 8 |     prelude::User,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Database`
[INFO] [stdout]  --> src/submissions.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 |     database::{Database, Submission},
[INFO] [stdout]   |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context as _`
[INFO] [stdout]  --> src/submissions.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::{anyhow, bail, Context as _, Result};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `join`, `lock::MutexGuard`
[INFO] [stdout]  --> src/submissions.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use futures::{join, lock::MutexGuard};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Channel`
[INFO] [stdout]  --> src/submissions.rs:7:51
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serenity::{client::Context, model::{channel::{Channel, Message, Reaction}, id::{MessageId, RoleId}, misc::Mentionable}};
[INFO] [stdout]   |                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/submissions.rs:99:29
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub async fn message_update(ctx: &Context, message: &Message) -> Result<()> {
[INFO] [stdout]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/submissions.rs:113:29
[INFO] [stdout]     |
[INFO] [stdout] 113 | pub async fn message_delete(ctx: &Context, message_id: &MessageId) -> Result<()> {
[INFO] [stdout]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_submission`
[INFO] [stdout]   --> src/database.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_submission(&mut self, message: MessageId) -> Option<&mut Submission> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.61s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "419104bfe0d4b3d84e9b68f085a3610a045ccaaf18fdd04fe2971b4b3157f376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419104bfe0d4b3d84e9b68f085a3610a045ccaaf18fdd04fe2971b4b3157f376", kill_on_drop: false }`
[INFO] [stdout] 419104bfe0d4b3d84e9b68f085a3610a045ccaaf18fdd04fe2971b4b3157f376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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" "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:a429bb59b7a3b4e7270a4b4c243bb115fc561d8f62ec34ef63a0a36cabf65dfd" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 900edd90d3ebe76a38002d391883924096c36be131204c8530174327c718da94
[INFO] running `Command { std: "docker" "start" "-a" "900edd90d3ebe76a38002d391883924096c36be131204c8530174327c718da94", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `join`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::{join, lock::Mutex, try_join};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `guild::GuildStatus`
[INFO] [stderr]   --> src/main.rs:13:73
[INFO] [stderr]    |
[INFO] [stderr] 13 |     }, model::{channel::{Message, Reaction}, event::MessageUpdateEvent, guild::GuildStatus, id::{ChannelId, GuildId, MessageId}, prelude:...
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `guild::Guild`
[INFO] [stderr]  --> src/challenges.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |         }, guild::Guild, id::{ChannelId, RoleId}, misc::Mentionable, permissions::Permissions}};
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `channel::Message`, `prelude::User`
[INFO] [stderr]  --> src/database.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     channel::Message,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     id::{ChannelId, MessageId, UserId},
[INFO] [stderr] 8 |     prelude::User,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Database`
[INFO] [stderr]  --> src/submissions.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 |     database::{Database, Submission},
[INFO] [stderr]   |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Context as _`
[INFO] [stderr]  --> src/submissions.rs:5:28
[INFO] [stderr]   |
[INFO] [stderr] 5 | use anyhow::{anyhow, bail, Context as _, Result};
[INFO] [stderr]   |                            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `join`, `lock::MutexGuard`
[INFO] [stderr]  --> src/submissions.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::{join, lock::MutexGuard};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Channel`
[INFO] [stderr]  --> src/submissions.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 | use serenity::{client::Context, model::{channel::{Channel, Message, Reaction}, id::{MessageId, RoleId}, misc::Mentionable}};
[INFO] [stderr]   |                                                   ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/submissions.rs:99:29
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub async fn message_update(ctx: &Context, message: &Message) -> Result<()> {
[INFO] [stderr]    |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]    --> src/submissions.rs:113:29
[INFO] [stderr]     |
[INFO] [stderr] 113 | pub async fn message_delete(ctx: &Context, message_id: &MessageId) -> Result<()> {
[INFO] [stderr]     |                             ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_submission`
[INFO] [stderr]   --> src/database.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn get_submission(&mut self, message: MessageId) -> Option<&mut Submission> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `challengerbot` (bin "challengerbot" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: time-macros-impl v0.1.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/challengerbot-5542e9267a65a3f6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "900edd90d3ebe76a38002d391883924096c36be131204c8530174327c718da94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900edd90d3ebe76a38002d391883924096c36be131204c8530174327c718da94", kill_on_drop: false }`
[INFO] [stdout] 900edd90d3ebe76a38002d391883924096c36be131204c8530174327c718da94