[INFO] cloning repository https://github.com/adedomin/r8ball
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adedomin/r8ball" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadedomin%2Fr8ball", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadedomin%2Fr8ball'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8fda461df9463dba44944b8d8ad071cb113e9f1
[INFO] checking adedomin/r8ball against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadedomin%2Fr8ball" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adedomin/r8ball on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adedomin/r8ball
[INFO] finished tweaking git repo https://github.com/adedomin/r8ball
[INFO] tweaked toml for git repo https://github.com/adedomin/r8ball written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/adedomin/r8ball already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio-signals v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed3eb8642bf12bc8f0bac41c5e76b1ce86dccadf9601952b815c1b7b226aa144
[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" "ed3eb8642bf12bc8f0bac41c5e76b1ce86dccadf9601952b815c1b7b226aa144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3eb8642bf12bc8f0bac41c5e76b1ce86dccadf9601952b815c1b7b226aa144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3eb8642bf12bc8f0bac41c5e76b1ce86dccadf9601952b815c1b7b226aa144", kill_on_drop: false }`
[INFO] [stdout] ed3eb8642bf12bc8f0bac41c5e76b1ce86dccadf9601952b815c1b7b226aa144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] c09d4877a412667a1e8620913300bd084b4f017d678bf0904d940160ebf28be2
[INFO] running `Command { std: "docker" "start" "-a" "c09d4877a412667a1e8620913300bd084b4f017d678bf0904d940160ebf28be2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio-signals v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking r8ball v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `plugin_buffer`
[INFO] [stdout]   --> src/irc/client.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     plugin_buffer: [u8; BUF_SIZ],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plugin_head`
[INFO] [stdout]   --> src/irc/client.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     plugin_head: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PreAuth`
[INFO] [stdout]   --> src/irc/client.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     PreAuth,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Authenticated`
[INFO] [stdout]   --> src/irc/client.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Authenticated,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ModeType`
[INFO] [stdout]    --> src/irc/client.rs:111:6
[INFO] [stdout]     |
[INFO] [stdout] 111 | enum ModeType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_005`
[INFO] [stdout]    --> src/irc/client.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn handle_005(m: Message) -> HashMap<u8, ModeType> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `join_part_channels`
[INFO] [stdout]    --> src/irc/client.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn join_part_channels(command: &[u8], channels: &Vec<String>) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_cap`
[INFO] [stdout]    --> src/irc/client.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn parse_cap(m: Message) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parameters`
[INFO] [stdout]    --> src/irc/parse.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn parameters(&self) -> MessageParamIter {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/irc/plugin.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new(command: String, args: Vec<String>) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_buf`
[INFO] [stdout]   --> src/irc/plugin.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_buf(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plugin_buffer`
[INFO] [stdout]   --> src/irc/client.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     plugin_buffer: [u8; BUF_SIZ],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plugin_head`
[INFO] [stdout]   --> src/irc/client.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     plugin_head: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PreAuth`
[INFO] [stdout]   --> src/irc/client.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     PreAuth,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Authenticated`
[INFO] [stdout]   --> src/irc/client.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Authenticated,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ModeType`
[INFO] [stdout]    --> src/irc/client.rs:111:6
[INFO] [stdout]     |
[INFO] [stdout] 111 | enum ModeType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_005`
[INFO] [stdout]    --> src/irc/client.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn handle_005(m: Message) -> HashMap<u8, ModeType> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_cap`
[INFO] [stdout]    --> src/irc/client.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn parse_cap(m: Message) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_buf`
[INFO] [stdout]   --> src/irc/plugin.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_buf(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.72s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking r8ball v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `plugin_buffer`
[INFO] [stdout]   --> src/irc/client.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     plugin_buffer: [u8; BUF_SIZ],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plugin_head`
[INFO] [stdout]   --> src/irc/client.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     plugin_head: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PreAuth`
[INFO] [stdout]   --> src/irc/client.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     PreAuth,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Authenticated`
[INFO] [stdout]   --> src/irc/client.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Authenticated,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ModeType`
[INFO] [stdout]    --> src/irc/client.rs:111:6
[INFO] [stdout]     |
[INFO] [stdout] 111 | enum ModeType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_005`
[INFO] [stdout]    --> src/irc/client.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn handle_005(m: Message) -> HashMap<u8, ModeType> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `join_part_channels`
[INFO] [stdout]    --> src/irc/client.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn join_part_channels(command: &[u8], channels: &Vec<String>) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_cap`
[INFO] [stdout]    --> src/irc/client.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn parse_cap(m: Message) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parameters`
[INFO] [stdout]    --> src/irc/parse.rs:145:12
[INFO] [stdout]     |
[INFO] [stdout] 145 |     pub fn parameters(&self) -> MessageParamIter {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/irc/plugin.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new(command: String, args: Vec<String>) -> io::Result<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_buf`
[INFO] [stdout]   --> src/irc/plugin.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_buf(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plugin_buffer`
[INFO] [stdout]   --> src/irc/client.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 |     plugin_buffer: [u8; BUF_SIZ],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `plugin_head`
[INFO] [stdout]   --> src/irc/client.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     plugin_head: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PreAuth`
[INFO] [stdout]   --> src/irc/client.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     PreAuth,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Authenticated`
[INFO] [stdout]   --> src/irc/client.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Authenticated,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ModeType`
[INFO] [stdout]    --> src/irc/client.rs:111:6
[INFO] [stdout]     |
[INFO] [stdout] 111 | enum ModeType {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_005`
[INFO] [stdout]    --> src/irc/client.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn handle_005(m: Message) -> HashMap<u8, ModeType> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `parse_cap`
[INFO] [stdout]    --> src/irc/client.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn parse_cap(m: Message) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_buf`
[INFO] [stdout]   --> src/irc/plugin.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_buf(&self) -> &[u8] {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "c09d4877a412667a1e8620913300bd084b4f017d678bf0904d940160ebf28be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c09d4877a412667a1e8620913300bd084b4f017d678bf0904d940160ebf28be2", kill_on_drop: false }`
[INFO] [stdout] c09d4877a412667a1e8620913300bd084b4f017d678bf0904d940160ebf28be2