[INFO] fetching crate gcp_service_oauth2 0.1.1...
[INFO] checking gcp_service_oauth2-0.1.1 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate gcp_service_oauth2 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gcp_service_oauth2 0.1.1 on toolchain 18a6d911caba59605eb03db1452848a85d2e5879
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gcp_service_oauth2 0.1.1
[INFO] finished tweaking crates.io crate gcp_service_oauth2 0.1.1
[INFO] tweaked toml for crates.io crate gcp_service_oauth2 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a3fd7be27146c95cab074469c0d98eeea970fb385a6f330d4b44e4f61430e07
[INFO] running `Command { std: "docker" "start" "-a" "0a3fd7be27146c95cab074469c0d98eeea970fb385a6f330d4b44e4f61430e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3fd7be27146c95cab074469c0d98eeea970fb385a6f330d4b44e4f61430e07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3fd7be27146c95cab074469c0d98eeea970fb385a6f330d4b44e4f61430e07", kill_on_drop: false }`
[INFO] [stdout] 0a3fd7be27146c95cab074469c0d98eeea970fb385a6f330d4b44e4f61430e07
[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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+18a6d911caba59605eb03db1452848a85d2e5879" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c04448a1a653cc0b3420412bec82ec5fd159688b21711dd62ab27b6fff39d89
[INFO] running `Command { std: "docker" "start" "-a" "6c04448a1a653cc0b3420412bec82ec5fd159688b21711dd62ab27b6fff39d89", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/lib.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::{Error as JSONError, Value};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/lib.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::{Error as JSONError, Value};
[INFO] [stdout]   |                                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ClientSecret {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 21 |     #[serde(rename = "type")]
[INFO] [stdout] 22 |     secret_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 23 |     project_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 24 |     private_key_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     client_id: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     auth_uri: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     token_uri: String,
[INFO] [stdout] 30 |     auth_provider_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     client_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ClientSecret` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type` and `expires_in` are never read
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct APIResponse {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 45 |     access_token: String,
[INFO] [stdout] 46 |     token_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 47 |     expires_in: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `APIResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lib.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct ClientSecret {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 21 |     #[serde(rename = "type")]
[INFO] [stdout] 22 |     secret_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 23 |     project_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 24 |     private_key_id: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     client_id: String,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 28 |     auth_uri: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 29 |     token_uri: String,
[INFO] [stdout] 30 |     auth_provider_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     client_x509_cert_url: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ClientSecret` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token_type` and `expires_in` are never read
[INFO] [stdout]   --> src/lib.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct APIResponse {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 45 |     access_token: String,
[INFO] [stdout] 46 |     token_type: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 47 |     expires_in: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `APIResponse` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
[INFO] running `Command { std: "docker" "inspect" "6c04448a1a653cc0b3420412bec82ec5fd159688b21711dd62ab27b6fff39d89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c04448a1a653cc0b3420412bec82ec5fd159688b21711dd62ab27b6fff39d89", kill_on_drop: false }`
[INFO] [stdout] 6c04448a1a653cc0b3420412bec82ec5fd159688b21711dd62ab27b6fff39d89