[INFO] fetching crate azure_sdk_storage_core_rs 0.50.0...
[INFO] checking azure_sdk_storage_core_rs-0.50.0 against master#18a6d911caba59605eb03db1452848a85d2e5879 for pr-112743
[INFO] extracting crate azure_sdk_storage_core_rs 0.50.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate azure_sdk_storage_core_rs 0.50.0 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 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-7-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" "+18a6d911caba59605eb03db1452848a85d2e5879" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.11.0
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[INFO] [stderr]   Downloaded serde-xml-rs v0.6.0
[INFO] [stderr]   Downloaded azure_sdk_core_rs v0.50.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 5460380327fc9cfccf7b8645f49876a121724601eec0b3f084f7c5cde682fb4e
[INFO] running `Command { std: "docker" "start" "-a" "5460380327fc9cfccf7b8645f49876a121724601eec0b3f084f7c5cde682fb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5460380327fc9cfccf7b8645f49876a121724601eec0b3f084f7c5cde682fb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5460380327fc9cfccf7b8645f49876a121724601eec0b3f084f7c5cde682fb4e", kill_on_drop: false }`
[INFO] [stdout] 5460380327fc9cfccf7b8645f49876a121724601eec0b3f084f7c5cde682fb4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 460ad024949a1f0f0d87831f06b7d47012d002ffc07213bf30bab3dd0b7c5f86
[INFO] running `Command { std: "docker" "start" "-a" "460ad024949a1f0f0d87831f06b7d47012d002ffc07213bf30bab3dd0b7c5f86", kill_on_drop: false }`
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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 10.78s
[INFO] running `Command { std: "docker" "inspect" "460ad024949a1f0f0d87831f06b7d47012d002ffc07213bf30bab3dd0b7c5f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460ad024949a1f0f0d87831f06b7d47012d002ffc07213bf30bab3dd0b7c5f86", kill_on_drop: false }`
[INFO] [stdout] 460ad024949a1f0f0d87831f06b7d47012d002ffc07213bf30bab3dd0b7c5f86