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[INFO] [stdout] 7cf41a418a0b311e36fdca03c50525a822427894
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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiadliel%2Fgoogle-adc-client" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fiadliel/google-adc-client on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
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[INFO] finished tweaking git repo https://github.com/fiadliel/google-adc-client
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[INFO] crate git repo https://github.com/fiadliel/google-adc-client already has a lockfile, it will not be regenerated
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[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/credentials.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, collections::HashMap, fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientAssertion`, `ClientId`
[INFO] [stdout]  --> src/credentials.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use oauth2::{ClientAssertion, ClientId, TokenResponse};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/credentials.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, collections::HashMap, fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientAssertion`, `ClientId`
[INFO] [stdout]  --> src/credentials.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use oauth2::{ClientAssertion, ClientId, TokenResponse};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sa`
[INFO] [stdout]    --> src/lib.rs:109:61
[INFO] [stdout]     |
[INFO] [stdout] 109 |             AccessTokenWithScopesSourceEnum::ServiceAccount(sa) => {
[INFO] [stdout]     |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_sa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sa`
[INFO] [stdout]    --> src/lib.rs:109:61
[INFO] [stdout]     |
[INFO] [stdout] 109 |             AccessTokenWithScopesSourceEnum::ServiceAccount(sa) => {
[INFO] [stdout]     |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_sa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `claims`
[INFO] [stdout]    --> src/credentials.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         claims: Option<A>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_claims`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `claims`
[INFO] [stdout]    --> src/credentials.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         claims: Option<A>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_claims`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenState` is never used
[INFO] [stdout]   --> src/lib.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum TokenState {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `refresh_token` is never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct AccessToken {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 23 |     access_token: String,
[INFO] [stdout] 24 |     refresh_token: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AccessToken` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `refresh_threshold`, `token_state_with_early_expiry`, and `token_state` are never used
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl AccessToken {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 38 |     // TODO: this should be possible to make const in chrono 0.5
[INFO] [stdout] 39 |     fn refresh_threshold() -> Duration {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn token_state_with_early_expiry(&self, early_expiry: Duration) -> TokenState {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn token_state(&self) -> TokenState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expires_in` and `token_type` are never read
[INFO] [stdout]    --> src/credentials.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct Blah {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 219 |     access_token: String,
[INFO] [stdout] 220 |     expires_in: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 221 |     token_type: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `project_id`, `numeric_project_id`, and `instance_id` are never read
[INFO] [stdout]   --> src/machine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MetadataServer {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     project_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     numeric_project_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     instance_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetadataServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EtagNotAscii` is never constructed
[INFO] [stdout]   --> src/machine.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum MetadataRequestError {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 49 |     EtagNotAscii,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetadataRequestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `etag` is never read
[INFO] [stdout]   --> src/machine.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct MetadataResponse {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 57 |     pub data: String,
[INFO] [stdout] 58 |     pub etag: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/machine.rs:82:18
[INFO] [stdout]     |
[INFO] [stdout] 61  | impl MetadataServer {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82  |     pub async fn project_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89  |     pub async fn numeric_project_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub async fn instance_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub async fn internal_ip(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub async fn email(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub async fn external_ip(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub async fn hostname(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 |     async fn system_may_be_gce(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenState` is never used
[INFO] [stdout]   --> src/lib.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum TokenState {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `refresh_token` is never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct AccessToken {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 23 |     access_token: String,
[INFO] [stdout] 24 |     refresh_token: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AccessToken` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `refresh_threshold`, `token_state_with_early_expiry`, and `token_state` are never used
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl AccessToken {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 38 |     // TODO: this should be possible to make const in chrono 0.5
[INFO] [stdout] 39 |     fn refresh_threshold() -> Duration {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn token_state_with_early_expiry(&self, early_expiry: Duration) -> TokenState {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn token_state(&self) -> TokenState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expires_in` and `token_type` are never read
[INFO] [stdout]    --> src/credentials.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct Blah {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 219 |     access_token: String,
[INFO] [stdout] 220 |     expires_in: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 221 |     token_type: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `project_id`, `numeric_project_id`, and `instance_id` are never read
[INFO] [stdout]   --> src/machine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MetadataServer {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     project_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     numeric_project_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     instance_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetadataServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EtagNotAscii` is never constructed
[INFO] [stdout]   --> src/machine.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum MetadataRequestError {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 49 |     EtagNotAscii,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetadataRequestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `etag` is never read
[INFO] [stdout]   --> src/machine.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct MetadataResponse {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 57 |     pub data: String,
[INFO] [stdout] 58 |     pub etag: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/machine.rs:82:18
[INFO] [stdout]     |
[INFO] [stdout] 61  | impl MetadataServer {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82  |     pub async fn project_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89  |     pub async fn numeric_project_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub async fn instance_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub async fn internal_ip(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub async fn email(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub async fn external_ip(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub async fn hostname(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 |     async fn system_may_be_gce(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.26s
[INFO] running `Command { std: "docker" "inspect" "a20aa81d0f2b67c3f8956a178bf7e9e10dc43492a0ff73dbd8e40b31073fb306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20aa81d0f2b67c3f8956a178bf7e9e10dc43492a0ff73dbd8e40b31073fb306", kill_on_drop: false }`
[INFO] [stdout] a20aa81d0f2b67c3f8956a178bf7e9e10dc43492a0ff73dbd8e40b31073fb306
[INFO] checking fiadliel/google-adc-client against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffiadliel%2Fgoogle-adc-client" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fiadliel/google-adc-client on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
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[INFO] finished tweaking git repo https://github.com/fiadliel/google-adc-client
[INFO] tweaked toml for git repo https://github.com/fiadliel/google-adc-client written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fiadliel/google-adc-client already has a lockfile, it will not be regenerated
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[INFO] [stdout] 1e71cfca5034603e2a72aa94fcae726f4fda8e6ede91b70c3e8279831ed171d3
[INFO] running `Command { std: "docker" "start" "-a" "1e71cfca5034603e2a72aa94fcae726f4fda8e6ede91b70c3e8279831ed171d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e71cfca5034603e2a72aa94fcae726f4fda8e6ede91b70c3e8279831ed171d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e71cfca5034603e2a72aa94fcae726f4fda8e6ede91b70c3e8279831ed171d3", kill_on_drop: false }`
[INFO] [stdout] 1e71cfca5034603e2a72aa94fcae726f4fda8e6ede91b70c3e8279831ed171d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4ce6444537fc37e2a1a3b57e5868b85574a2f93334d9063a4e83904c101df0
[INFO] running `Command { std: "docker" "start" "-a" "cf4ce6444537fc37e2a1a3b57e5868b85574a2f93334d9063a4e83904c101df0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
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[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/credentials.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, collections::HashMap, fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientAssertion`, `ClientId`
[INFO] [stdout]  --> src/credentials.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use oauth2::{ClientAssertion, ClientId, TokenResponse};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::Cow`
[INFO] [stdout]  --> src/credentials.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{borrow::Cow, collections::HashMap, fmt::Debug};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ClientAssertion`, `ClientId`
[INFO] [stdout]  --> src/credentials.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use oauth2::{ClientAssertion, ClientId, TokenResponse};
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sa`
[INFO] [stdout]    --> src/lib.rs:109:61
[INFO] [stdout]     |
[INFO] [stdout] 109 |             AccessTokenWithScopesSourceEnum::ServiceAccount(sa) => {
[INFO] [stdout]     |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_sa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sa`
[INFO] [stdout]    --> src/lib.rs:109:61
[INFO] [stdout]     |
[INFO] [stdout] 109 |             AccessTokenWithScopesSourceEnum::ServiceAccount(sa) => {
[INFO] [stdout]     |                                                             ^^ help: if this is intentional, prefix it with an underscore: `_sa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `claims`
[INFO] [stdout]    --> src/credentials.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         claims: Option<A>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_claims`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `claims`
[INFO] [stdout]    --> src/credentials.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         claims: Option<A>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_claims`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenState` is never used
[INFO] [stdout]   --> src/lib.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum TokenState {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `refresh_token` is never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct AccessToken {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 23 |     access_token: String,
[INFO] [stdout] 24 |     refresh_token: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AccessToken` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `refresh_threshold`, `token_state_with_early_expiry`, and `token_state` are never used
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl AccessToken {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 38 |     // TODO: this should be possible to make const in chrono 0.5
[INFO] [stdout] 39 |     fn refresh_threshold() -> Duration {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn token_state_with_early_expiry(&self, early_expiry: Duration) -> TokenState {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn token_state(&self) -> TokenState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expires_in` and `token_type` are never read
[INFO] [stdout]    --> src/credentials.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct Blah {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 219 |     access_token: String,
[INFO] [stdout] 220 |     expires_in: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 221 |     token_type: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `project_id`, `numeric_project_id`, and `instance_id` are never read
[INFO] [stdout]   --> src/machine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MetadataServer {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     project_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     numeric_project_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     instance_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetadataServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EtagNotAscii` is never constructed
[INFO] [stdout]   --> src/machine.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum MetadataRequestError {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 49 |     EtagNotAscii,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetadataRequestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `etag` is never read
[INFO] [stdout]   --> src/machine.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct MetadataResponse {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 57 |     pub data: String,
[INFO] [stdout] 58 |     pub etag: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/machine.rs:82:18
[INFO] [stdout]     |
[INFO] [stdout] 61  | impl MetadataServer {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82  |     pub async fn project_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89  |     pub async fn numeric_project_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub async fn instance_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub async fn internal_ip(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub async fn email(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub async fn external_ip(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub async fn hostname(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 |     async fn system_may_be_gce(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenState` is never used
[INFO] [stdout]   --> src/lib.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum TokenState {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `refresh_token` is never read
[INFO] [stdout]   --> src/lib.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct AccessToken {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 23 |     access_token: String,
[INFO] [stdout] 24 |     refresh_token: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AccessToken` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `refresh_threshold`, `token_state_with_early_expiry`, and `token_state` are never used
[INFO] [stdout]   --> src/lib.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl AccessToken {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] 38 |     // TODO: this should be possible to make const in chrono 0.5
[INFO] [stdout] 39 |     fn refresh_threshold() -> Duration {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn token_state_with_early_expiry(&self, early_expiry: Duration) -> TokenState {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn token_state(&self) -> TokenState {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expires_in` and `token_type` are never read
[INFO] [stdout]    --> src/credentials.rs:220:5
[INFO] [stdout]     |
[INFO] [stdout] 218 | struct Blah {
[INFO] [stdout]     |        ---- fields in this struct
[INFO] [stdout] 219 |     access_token: String,
[INFO] [stdout] 220 |     expires_in: i32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 221 |     token_type: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `project_id`, `numeric_project_id`, and `instance_id` are never read
[INFO] [stdout]   --> src/machine.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct MetadataServer {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 26 |     project_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     numeric_project_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     instance_id: OnceCell<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetadataServer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EtagNotAscii` is never constructed
[INFO] [stdout]   --> src/machine.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum MetadataRequestError {
[INFO] [stdout]    |          -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 49 |     EtagNotAscii,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MetadataRequestError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `etag` is never read
[INFO] [stdout]   --> src/machine.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct MetadataResponse {
[INFO] [stdout]    |            ---------------- field in this struct
[INFO] [stdout] 57 |     pub data: String,
[INFO] [stdout] 58 |     pub etag: Option<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/machine.rs:82:18
[INFO] [stdout]     |
[INFO] [stdout] 61  | impl MetadataServer {
[INFO] [stdout]     | ------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 82  |     pub async fn project_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89  |     pub async fn numeric_project_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub async fn instance_id(&self) -> Result<&str, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub async fn internal_ip(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 109 |     pub async fn email(
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     pub async fn external_ip(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub async fn hostname(&self) -> Result<String, MetadataRequestError> {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 202 |     async fn system_may_be_gce(&self) -> bool {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.43s
[INFO] running `Command { std: "docker" "inspect" "cf4ce6444537fc37e2a1a3b57e5868b85574a2f93334d9063a4e83904c101df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4ce6444537fc37e2a1a3b57e5868b85574a2f93334d9063a4e83904c101df0", kill_on_drop: false }`
[INFO] [stdout] cf4ce6444537fc37e2a1a3b57e5868b85574a2f93334d9063a4e83904c101df0