[INFO] cloning repository https://github.com/rtsmarty/discord-bots
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rtsmarty/discord-bots" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtsmarty%2Fdiscord-bots", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frtsmarty%2Fdiscord-bots'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f6380e7ec26da3cc0eb5f52a857ae215f6fb9682
[INFO] checking rtsmarty/discord-bots 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%2Frtsmarty%2Fdiscord-bots" "/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/rtsmarty/discord-bots
[INFO] finished tweaking git repo https://github.com/rtsmarty/discord-bots
[INFO] tweaked toml for git repo https://github.com/rtsmarty/discord-bots written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rtsmarty/discord-bots 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/rtsmarty/discord-bots 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] f79f0902a8d4d520f40aa00dc011efff9f1806af0367401c7a1df3eda5b65b86
[INFO] running `Command { std: "docker" "start" "-a" "f79f0902a8d4d520f40aa00dc011efff9f1806af0367401c7a1df3eda5b65b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f79f0902a8d4d520f40aa00dc011efff9f1806af0367401c7a1df3eda5b65b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f79f0902a8d4d520f40aa00dc011efff9f1806af0367401c7a1df3eda5b65b86", kill_on_drop: false }`
[INFO] [stdout] f79f0902a8d4d520f40aa00dc011efff9f1806af0367401c7a1df3eda5b65b86
[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] c57a8cecaa3d71f18edb3987a375f5dc9a0b95a7e1382208f4a5bcac5f1f5b85
[INFO] running `Command { std: "docker" "start" "-a" "c57a8cecaa3d71f18edb3987a375f5dc9a0b95a7e1382208f4a5bcac5f1f5b85", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling openssl v0.10.41
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]     Checking futures-util v0.3.24
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking clap v3.2.20
[INFO] [stderr]     Checking futures-executor v0.3.24
[INFO] [stderr]     Checking futures v0.3.24
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking discord-bots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `total`, `remaining`, and `reset_after` are never read
[INFO] [stdout]    --> src/discord/model.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct BotGatewaySessionStartLimit {
[INFO] [stdout]     |            --------------------------- fields in this struct
[INFO] [stdout] 125 |     pub total: u64,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 126 |     pub remaining: u64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 127 |     pub reset_after: u64
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BotGatewaySessionStartLimit` has a derived impl for the trait `Debug`, but this is 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: fields `shards` and `session_start_limit` are never read
[INFO] [stdout]    --> src/discord/model.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct BotGatewayResponse<'a> {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 131 |     pub url: &'a str,
[INFO] [stdout] 132 |     pub shards: i32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 133 |     pub session_start_limit: BotGatewaySessionStartLimit
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BotGatewayResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `total`, `remaining`, and `reset_after` are never read
[INFO] [stdout]    --> src/discord/model.rs:125:9
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub struct BotGatewaySessionStartLimit {
[INFO] [stdout]     |            --------------------------- fields in this struct
[INFO] [stdout] 125 |     pub total: u64,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 126 |     pub remaining: u64,
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 127 |     pub reset_after: u64
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BotGatewaySessionStartLimit` has a derived impl for the trait `Debug`, but this is 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: fields `shards` and `session_start_limit` are never read
[INFO] [stdout]    --> src/discord/model.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct BotGatewayResponse<'a> {
[INFO] [stdout]     |            ------------------ fields in this struct
[INFO] [stdout] 131 |     pub url: &'a str,
[INFO] [stdout] 132 |     pub shards: i32,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 133 |     pub session_start_limit: BotGatewaySessionStartLimit
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BotGatewayResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ws/message.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn message(&self) -> Message {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn message(&self) -> Message<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ws/message.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn message(&self) -> Message {
[INFO] [stdout]     |                    ^^^^^     ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                    |
[INFO] [stdout]     |                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn message(&self) -> Message<'_> {
[INFO] [stdout]     |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/mad.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     token: String,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/mad.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     mention_file: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `discord-bots` (bin "mad" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/mad.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     token: String,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/mad.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     mention_file: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/markov.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     token: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/bin/markov.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     token: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `discord-bots` (bin "mad") due to 2 previous errors
[INFO] [stderr] error: could not compile `discord-bots` (bin "markov") due to 1 previous error
[INFO] [stderr] error: could not compile `discord-bots` (bin "markov" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c57a8cecaa3d71f18edb3987a375f5dc9a0b95a7e1382208f4a5bcac5f1f5b85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57a8cecaa3d71f18edb3987a375f5dc9a0b95a7e1382208f4a5bcac5f1f5b85", kill_on_drop: false }`
[INFO] [stdout] c57a8cecaa3d71f18edb3987a375f5dc9a0b95a7e1382208f4a5bcac5f1f5b85
