[INFO] cloning repository https://github.com/willdoescode/rust-discord-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willdoescode/rust-discord-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilldoescode%2Frust-discord-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilldoescode%2Frust-discord-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebf925d3d962e70b1d020d40788610158ab0dcf5
[INFO] checking willdoescode/rust-discord-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%2Fwilldoescode%2Frust-discord-bot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/willdoescode/rust-discord-bot
[INFO] finished tweaking git repo https://github.com/willdoescode/rust-discord-bot
[INFO] tweaked toml for git repo https://github.com/willdoescode/rust-discord-bot written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/willdoescode/rust-discord-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/willdoescode/rust-discord-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 45a75abef7cd50128dc5182990fa54e076b60c1850cc33b22f92ee399328bf0f
[INFO] running `Command { std: "docker" "start" "-a" "45a75abef7cd50128dc5182990fa54e076b60c1850cc33b22f92ee399328bf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45a75abef7cd50128dc5182990fa54e076b60c1850cc33b22f92ee399328bf0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a75abef7cd50128dc5182990fa54e076b60c1850cc33b22f92ee399328bf0f", kill_on_drop: false }`
[INFO] [stdout] 45a75abef7cd50128dc5182990fa54e076b60c1850cc33b22f92ee399328bf0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 49c0bff9d5c62b8625f96b820a5bc173c3c78fec35a91431836200bfb7ff59ab
[INFO] running `Command { std: "docker" "start" "-a" "49c0bff9d5c62b8625f96b820a5bc173c3c78fec35a91431836200bfb7ff59ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking pin-project-lite v0.2.4
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[INFO] [stderr]     Checking futures-core v0.3.12
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[INFO] [stderr]    Compiling pin-project-internal v0.4.27
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[INFO] [stderr]     Checking futures-task v0.3.12
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[INFO] [stderr]     Checking http v0.2.3
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[INFO] [stderr]    Compiling serde_derive v1.0.121
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[INFO] [stderr]    Compiling encoding_rs v0.8.26
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[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling serde_json v1.0.61
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[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking adler v0.2.3
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[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling serenity v0.10.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking typemap_rev v0.1.4
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]    Compiling command_attr v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking tokio-stream v0.1.2
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking tokio-util v0.6.2
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking hyper v0.14.2
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.0
[INFO] [stderr]     Checking rust-discord-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `array_map` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_map)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `array_map` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(array_map)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/fun.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |     msg.react(ctx, ReactionType::Unicode("👍".parse().unwrap())).await?;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/fun.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | / ...                     "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fnetflixroulette.files.wordpress.com%2F2013%2F01%2Fimage-not-found.gif&...
[INFO] [stdout] 29 | | ...                             .parse()
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/fun.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | / ...                     "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fnetflixroulette.files.wordpress.com%2F2013%2F01%2Fimage-not-found.gif&...
[INFO] [stdout] 52 | | ...                             .parse()
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/help.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             command: command.parse().unwrap(),
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/help.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |             help: help.parse().unwrap()
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-discord-bot` (bin "rust-discord-bot") due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/fun.rs:12:39
[INFO] [stdout]    |
[INFO] [stdout] 12 |     msg.react(ctx, ReactionType::Unicode("👍".parse().unwrap())).await?;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/fun.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | / ...                     "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fnetflixroulette.files.wordpress.com%2F2013%2F01%2Fimage-not-found.gif&...
[INFO] [stdout] 29 | | ...                             .parse()
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/fun.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | / ...                     "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fnetflixroulette.files.wordpress.com%2F2013%2F01%2Fimage-not-found.gif&...
[INFO] [stdout] 52 | | ...                             .parse()
[INFO] [stdout]    | |________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/help.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |             command: command.parse().unwrap(),
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/help.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |             help: help.parse().unwrap()
[INFO] [stdout]    |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-discord-bot` (bin "rust-discord-bot" test) due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "49c0bff9d5c62b8625f96b820a5bc173c3c78fec35a91431836200bfb7ff59ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c0bff9d5c62b8625f96b820a5bc173c3c78fec35a91431836200bfb7ff59ab", kill_on_drop: false }`
[INFO] [stdout] 49c0bff9d5c62b8625f96b820a5bc173c3c78fec35a91431836200bfb7ff59ab
