[INFO] cloning repository https://github.com/lynx-xdg/dnd_bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lynx-xdg/dnd_bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flynx-xdg%2Fdnd_bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flynx-xdg%2Fdnd_bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 558ba6aa2244a0949e9c344c588f51b1d8392ed2
[INFO] checking lynx-xdg/dnd_bot against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flynx-xdg%2Fdnd_bot" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lynx-xdg/dnd_bot
[INFO] finished tweaking git repo https://github.com/lynx-xdg/dnd_bot
[INFO] tweaked toml for git repo https://github.com/lynx-xdg/dnd_bot written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lynx-xdg/dnd_bot on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lynx-xdg/dnd_bot 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9ba62ac162187b2f36538a48ea3d39c98be9ad1ea4c62eb856888926b7587bc
[INFO] running `Command { std: "docker" "start" "-a" "c9ba62ac162187b2f36538a48ea3d39c98be9ad1ea4c62eb856888926b7587bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9ba62ac162187b2f36538a48ea3d39c98be9ad1ea4c62eb856888926b7587bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9ba62ac162187b2f36538a48ea3d39c98be9ad1ea4c62eb856888926b7587bc", kill_on_drop: false }`
[INFO] [stdout] c9ba62ac162187b2f36538a48ea3d39c98be9ad1ea4c62eb856888926b7587bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fba81060f37739670c3f8ff03c7c18e1ec96b904a1e66db474daf8107364895
[INFO] running `Command { std: "docker" "start" "-a" "7fba81060f37739670c3f8ff03c7c18e1ec96b904a1e66db474daf8107364895", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
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[INFO] [stderr]     Checking tracing v0.1.40
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[INFO] [stdout] warning: variant `CustomName` is never constructed
[INFO] [stdout]  --> src/initiative.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Player {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 6 |     DiscordUser(UserId),
[INFO] [stdout] 7 |     CustomName(String)
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Player` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CustomName` is never constructed
[INFO] [stdout]  --> src/initiative.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Player {
[INFO] [stdout]   |          ------ variant in this enum
[INFO] [stdout] 6 |     DiscordUser(UserId),
[INFO] [stdout] 7 |     CustomName(String)
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Player` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/roll.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/roll.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/roll.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/roll.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/roll.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/roll.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/roll.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]   = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/roll.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]  --> src/roll.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/roll.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/roll.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/roll.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[poise::command(prefix_command, slash_command)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::_parse_prefix` which comes from the expansion of the attribute macro `poise::command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dnd_bot` (bin "dnd_bot" test) due to 6 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `dnd_bot` (bin "dnd_bot") due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7fba81060f37739670c3f8ff03c7c18e1ec96b904a1e66db474daf8107364895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fba81060f37739670c3f8ff03c7c18e1ec96b904a1e66db474daf8107364895", kill_on_drop: false }`
[INFO] [stdout] 7fba81060f37739670c3f8ff03c7c18e1ec96b904a1e66db474daf8107364895
