[INFO] cloning repository https://github.com/ethanbissbort/flux-framework-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethanbissbort/flux-framework-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanbissbort%2Fflux-framework-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanbissbort%2Fflux-framework-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e42641ee5ea93823dd23ceb88d9f33eff297a2e0
[INFO] checking ethanbissbort/flux-framework-rust against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-149058
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethanbissbort%2Fflux-framework-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ethanbissbort/flux-framework-rust
[INFO] finished tweaking git repo https://github.com/ethanbissbort/flux-framework-rust
[INFO] tweaked toml for git repo https://github.com/ethanbissbort/flux-framework-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ethanbissbort/flux-framework-rust on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ethanbissbort/flux-framework-rust 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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "fb96eb414211a6afd4cef82a1d18a52a7191930b8f81ed4ec86e11c873013132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb96eb414211a6afd4cef82a1d18a52a7191930b8f81ed4ec86e11c873013132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb96eb414211a6afd4cef82a1d18a52a7191930b8f81ed4ec86e11c873013132", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "80f751c85f1aac78411088df67c8911e6ef8cae4621e6aaced7c684b1488b869", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `required_mb`
[INFO] [stdout]    --> src/helpers/file_ops.rs:409:37
[INFO] [stdout]     |
[INFO] [stdout] 409 | pub fn check_disk_space(path: &str, required_mb: u64) -> Result<bool> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_mb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]    --> src/helpers/file_ops.rs:410:15
[INFO] [stdout]     |
[INFO] [stdout] 410 |     if let Ok(metadata) = std::fs::metadata(path) {
[INFO] [stdout]     |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `required_mb`
[INFO] [stdout]    --> src/helpers/file_ops.rs:409:37
[INFO] [stdout]     |
[INFO] [stdout] 409 | pub fn check_disk_space(path: &str, required_mb: u64) -> Result<bool> {
[INFO] [stdout]     |                                     ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_required_mb`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `metadata`
[INFO] [stdout]    --> src/helpers/file_ops.rs:410:15
[INFO] [stdout]     |
[INFO] [stdout] 410 |     if let Ok(metadata) = std::fs::metadata(path) {
[INFO] [stdout]     |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default_fw`
[INFO] [stdout]    --> src/modules/firewall.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let default_fw = if distro.is_debian_based() {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_fw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/modules/hostname.rs:79:60
[INFO] [stdout]    |
[INFO] [stdout] 79 |     async fn execute_hostname(&self, matches: &ArgMatches, ctx: &ModuleContext<'_>) -> Result<()> {
[INFO] [stdout]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enable_cloud`
[INFO] [stdout]    --> src/modules/netdata.rs:166:54
[INFO] [stdout]     |
[INFO] [stdout] 166 |     async fn configure_netdata(&self, web_port: u16, enable_cloud: bool) -> Result<()> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enable_cloud`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default_fw`
[INFO] [stdout]    --> src/modules/firewall.rs:421:17
[INFO] [stdout]     |
[INFO] [stdout] 421 |             let default_fw = if distro.is_debian_based() {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_fw`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/modules/hostname.rs:79:60
[INFO] [stdout]    |
[INFO] [stdout] 79 |     async fn execute_hostname(&self, matches: &ArgMatches, ctx: &ModuleContext<'_>) -> Result<()> {
[INFO] [stdout]    |                                                            ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/modules/network.rs:107:59
[INFO] [stdout]     |
[INFO] [stdout] 107 |     async fn execute_network(&self, matches: &ArgMatches, ctx: &ModuleContext<'_>) -> Result<()> {
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `distro`
[INFO] [stdout]    --> src/modules/network.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let distro = detect_distro()?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_distro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/modules/network.rs:371:56
[INFO] [stdout]     |
[INFO] [stdout] 371 |     async fn configure_interface_networkmanager(&self, config: &NetworkConfig) -> Result<()> {
[INFO] [stdout]     |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `enable_cloud`
[INFO] [stdout]    --> src/modules/netdata.rs:166:54
[INFO] [stdout]     |
[INFO] [stdout] 166 |     async fn configure_netdata(&self, web_port: u16, enable_cloud: bool) -> Result<()> {
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_enable_cloud`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/modules/update.rs:102:58
[INFO] [stdout]     |
[INFO] [stdout] 102 |     async fn execute_update(&self, matches: &ArgMatches, ctx: &ModuleContext<'_>) -> Result<()> {
[INFO] [stdout]     |                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/modules/update.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |         for (i, package) in packages.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `distro`
[INFO] [stdout]    --> src/modules/update.rs:435:38
[INFO] [stdout]     |
[INFO] [stdout] 435 |     fn get_essential_packages(&self, distro: &Distribution, include_dev: bool) -> Vec<String> {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_distro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/modules/network.rs:107:59
[INFO] [stdout]     |
[INFO] [stdout] 107 |     async fn execute_network(&self, matches: &ArgMatches, ctx: &ModuleContext<'_>) -> Result<()> {
[INFO] [stdout]     |                                                           ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `distro`
[INFO] [stdout]    --> src/modules/network.rs:276:13
[INFO] [stdout]     |
[INFO] [stdout] 276 |         let distro = detect_distro()?;
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_distro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/modules/network.rs:371:56
[INFO] [stdout]     |
[INFO] [stdout] 371 |     async fn configure_interface_networkmanager(&self, config: &NetworkConfig) -> Result<()> {
[INFO] [stdout]     |                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/modules/update.rs:102:58
[INFO] [stdout]     |
[INFO] [stdout] 102 |     async fn execute_update(&self, matches: &ArgMatches, ctx: &ModuleContext<'_>) -> Result<()> {
[INFO] [stdout]     |                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/modules/update.rs:246:14
[INFO] [stdout]     |
[INFO] [stdout] 246 |         for (i, package) in packages.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `distro`
[INFO] [stdout]    --> src/modules/update.rs:435:38
[INFO] [stdout]     |
[INFO] [stdout] 435 |     fn get_essential_packages(&self, distro: &Distribution, include_dev: bool) -> Vec<String> {
[INFO] [stdout]     |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_distro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_service_ports` is never used
[INFO] [stdout]    --> src/modules/firewall.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout]  32 | impl FirewallModule {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 245 |     fn get_service_ports(&self) -> HashMap<String, (u16, String)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_user_from_groups` is never used
[INFO] [stdout]    --> src/modules/user.rs:205:14
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl UserModule {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     async fn remove_user_from_groups(&self, username: &str, groups: &[&str]) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `description` are never read
[INFO] [stdout]    --> src/workflows/mod.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct BaseWorkflow {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 105 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 106 |     description: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/helpers/validation.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     if port_num == 0 || port_num > 65535 {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_service_ports` is never used
[INFO] [stdout]    --> src/modules/firewall.rs:245:8
[INFO] [stdout]     |
[INFO] [stdout]  32 | impl FirewallModule {
[INFO] [stdout]     | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 245 |     fn get_service_ports(&self) -> HashMap<String, (u16, String)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_user_from_groups` is never used
[INFO] [stdout]    --> src/modules/user.rs:205:14
[INFO] [stdout]     |
[INFO] [stdout]  25 | impl UserModule {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 205 |     async fn remove_user_from_groups(&self, username: &str, groups: &[&str]) -> Result<()> {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `description` are never read
[INFO] [stdout]    --> src/workflows/mod.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct BaseWorkflow {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 105 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 106 |     description: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/helpers/validation.rs:71:25
[INFO] [stdout]    |
[INFO] [stdout] 71 |     if port_num == 0 || port_num > 65535 {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "80f751c85f1aac78411088df67c8911e6ef8cae4621e6aaced7c684b1488b869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f751c85f1aac78411088df67c8911e6ef8cae4621e6aaced7c684b1488b869", kill_on_drop: false }`
[INFO] [stdout] 80f751c85f1aac78411088df67c8911e6ef8cae4621e6aaced7c684b1488b869