[INFO] fetching crate azure_sdk_storage_core_rs 0.50.0...
[INFO] checking azure_sdk_storage_core_rs-0.50.0 against master#e59540968e0c6fc3c37d92a639b83fc8fcee5e81 for pr-114559
[INFO] extracting crate azure_sdk_storage_core_rs 0.50.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate azure_sdk_storage_core_rs 0.50.0 on toolchain e59540968e0c6fc3c37d92a639b83fc8fcee5e81
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate azure_sdk_storage_core_rs 0.50.0
[INFO] finished tweaking crates.io crate azure_sdk_storage_core_rs 0.50.0
[INFO] tweaked toml for crates.io crate azure_sdk_storage_core_rs 0.50.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate azure_sdk_storage_core_rs 0.50.0 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" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d321c938722c758cb38b54916fe755ab6ab71be071ea3020c37c9ae43cfd4ac
[INFO] running `Command { std: "docker" "start" "-a" "6d321c938722c758cb38b54916fe755ab6ab71be071ea3020c37c9ae43cfd4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d321c938722c758cb38b54916fe755ab6ab71be071ea3020c37c9ae43cfd4ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d321c938722c758cb38b54916fe755ab6ab71be071ea3020c37c9ae43cfd4ac", kill_on_drop: false }`
[INFO] [stdout] 6d321c938722c758cb38b54916fe755ab6ab71be071ea3020c37c9ae43cfd4ac
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e59540968e0c6fc3c37d92a639b83fc8fcee5e81" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d71af4810a69a98767b92ccb499db8f74bd7ed437d4b438c653519f9db674b
[INFO] running `Command { std: "docker" "start" "-a" "17d71af4810a69a98767b92ccb499db8f74bd7ed437d4b438c653519f9db674b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.43
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[INFO] [stderr]    Compiling openssl-sys v0.9.75
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[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]     Checking azure_sdk_core_rs v0.50.0
[INFO] [stderr]     Checking azure_sdk_storage_core_rs v0.50.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `account` is never read
[INFO] [stdout]   --> src/bearer_token_client.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct BearerTokenClient<'a> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 11 |     account: Cow<'a, str>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BearerTokenClient` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `account` is never read
[INFO] [stdout]   --> src/bearer_token_client.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct BearerTokenClient<'a> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 11 |     account: Cow<'a, str>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BearerTokenClient` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.36s
[INFO] running `Command { std: "docker" "inspect" "17d71af4810a69a98767b92ccb499db8f74bd7ed437d4b438c653519f9db674b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d71af4810a69a98767b92ccb499db8f74bd7ed437d4b438c653519f9db674b", kill_on_drop: false }`
[INFO] [stdout] 17d71af4810a69a98767b92ccb499db8f74bd7ed437d4b438c653519f9db674b
