[INFO] fetching crate s3compat 0.0.4...
[INFO] checking s3compat-0.0.4 against try#218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa for pr-92594
[INFO] extracting crate s3compat 0.0.4 into /workspace/builds/worker-113/source
[INFO] validating manifest of crates.io crate s3compat 0.0.4 on toolchain 218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate s3compat 0.0.4
[INFO] finished tweaking crates.io crate s3compat 0.0.4
[INFO] tweaked toml for crates.io crate s3compat 0.0.4 written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0d6ca8ba9884933bfcac4fc1fcf42219e1f724cd2505518215c565217a69869
[INFO] running `Command { std: "docker" "start" "-a" "f0d6ca8ba9884933bfcac4fc1fcf42219e1f724cd2505518215c565217a69869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d6ca8ba9884933bfcac4fc1fcf42219e1f724cd2505518215c565217a69869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d6ca8ba9884933bfcac4fc1fcf42219e1f724cd2505518215c565217a69869", kill_on_drop: false }`
[INFO] [stdout] f0d6ca8ba9884933bfcac4fc1fcf42219e1f724cd2505518215c565217a69869
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+218e3b1b9f68e7a8b7fb8fcbff627c64536eebaa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f58f1fa107bbea54dc58705fc003dd109fbfc5e2a8f6e331f10b5f58fec0aa14
[INFO] running `Command { std: "docker" "start" "-a" "f58f1fa107bbea54dc58705fc003dd109fbfc5e2a8f6e331f10b5f58fec0aa14", kill_on_drop: false }`
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[INFO] [stdout] warning: field is never read: `bucket`
[INFO] [stdout]  --> src/serde_types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     bucket: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bucket`
[INFO] [stdout]  --> src/serde_types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     bucket: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 47s
[INFO] running `Command { std: "docker" "inspect" "f58f1fa107bbea54dc58705fc003dd109fbfc5e2a8f6e331f10b5f58fec0aa14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f58f1fa107bbea54dc58705fc003dd109fbfc5e2a8f6e331f10b5f58fec0aa14", kill_on_drop: false }`
[INFO] [stdout] f58f1fa107bbea54dc58705fc003dd109fbfc5e2a8f6e331f10b5f58fec0aa14