[INFO] cloning repository https://github.com/StygianLightning/embot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StygianLightning/embot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStygianLightning%2Fembot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStygianLightning%2Fembot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d027a1423253098e40689c0120be432e561e239
[INFO] checking StygianLightning/embot against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStygianLightning%2Fembot" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StygianLightning/embot on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StygianLightning/embot
[INFO] finished tweaking git repo https://github.com/StygianLightning/embot
[INFO] tweaked toml for git repo https://github.com/StygianLightning/embot written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/StygianLightning/embot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded command_attr v0.3.4
[INFO] [stderr]   Downloaded h2 v0.3.1
[INFO] [stderr]   Downloaded anyhow v1.0.39
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded mio v0.7.10
[INFO] [stderr]   Downloaded serenity v0.10.4
[INFO] [stderr]   Downloaded libc v0.2.90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 650e4c1ce4c4b62f9e8308ccd5752afa94c2678cf266ff51e8336d55365df5d3
[INFO] running `Command { std: "docker" "start" "-a" "650e4c1ce4c4b62f9e8308ccd5752afa94c2678cf266ff51e8336d55365df5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "650e4c1ce4c4b62f9e8308ccd5752afa94c2678cf266ff51e8336d55365df5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650e4c1ce4c4b62f9e8308ccd5752afa94c2678cf266ff51e8336d55365df5d3", kill_on_drop: false }`
[INFO] [stdout] 650e4c1ce4c4b62f9e8308ccd5752afa94c2678cf266ff51e8336d55365df5d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62f348f2fd8b11153b4f0a11086e27333516bada2f4bc837f95fc2f57e2b329d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62f348f2fd8b11153b4f0a11086e27333516bada2f4bc837f95fc2f57e2b329d", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `AtomicUsize`, `Ordering`, `env`
[INFO] [stdout]  --> src/channel_links.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 4 |     sync::{
[INFO] [stdout] 5 |         atomic::{AtomicUsize, Ordering},
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Args`, `CommandResult`, `StandardFramework`, `async_trait`, `channel::Message`, `command`, `gateway::Ready`, `group`, `hook`
[INFO] [stdout]   --> src/channel_links.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async_trait,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     framework::standard::{
[INFO] [stdout] 15 |         macros::{command, group, hook},
[INFO] [stdout]    |                  ^^^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 16 |         Args, CommandResult, StandardFramework,
[INFO] [stdout]    |         ^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     },
[INFO] [stdout] 18 |     model::{channel::Message, gateway::Ready},
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Embed`
[INFO] [stdout]  --> src/commands/link.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serenity::model::channel::{Embed, GuildChannel, Message};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GuildChannel`
[INFO] [stdout]  --> src/embed_hook.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serenity::model::channel::{GuildChannel, Message};
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serenity::model::id::ChannelId`
[INFO] [stdout]  --> src/embed_hook.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serenity::model::id::ChannelId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/embed_hook.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/embed_hook.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicUsize`, `Ordering`, `env`
[INFO] [stdout]  --> src/channel_links.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     env,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 4 |     sync::{
[INFO] [stdout] 5 |         atomic::{AtomicUsize, Ordering},
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Args`, `CommandResult`, `StandardFramework`, `async_trait`, `channel::Message`, `command`, `gateway::Ready`, `group`, `hook`
[INFO] [stdout]   --> src/channel_links.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     async_trait,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     framework::standard::{
[INFO] [stdout] 15 |         macros::{command, group, hook},
[INFO] [stdout]    |                  ^^^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 16 |         Args, CommandResult, StandardFramework,
[INFO] [stdout]    |         ^^^^  ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |     },
[INFO] [stdout] 18 |     model::{channel::Message, gateway::Ready},
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Embed`
[INFO] [stdout]  --> src/commands/link.rs:4:32
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serenity::model::channel::{Embed, GuildChannel, Message};
[INFO] [stdout]   |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GuildChannel`
[INFO] [stdout]  --> src/embed_hook.rs:3:32
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serenity::model::channel::{GuildChannel, Message};
[INFO] [stdout]   |                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serenity::model::id::ChannelId`
[INFO] [stdout]  --> src/embed_hook.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serenity::model::id::ChannelId;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/embed_hook.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/embed_hook.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 40s
[INFO] running `Command { std: "docker" "inspect" "62f348f2fd8b11153b4f0a11086e27333516bada2f4bc837f95fc2f57e2b329d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62f348f2fd8b11153b4f0a11086e27333516bada2f4bc837f95fc2f57e2b329d", kill_on_drop: false }`
[INFO] [stdout] 62f348f2fd8b11153b4f0a11086e27333516bada2f4bc837f95fc2f57e2b329d