[INFO] fetching crate dtb 0.2.0...
[INFO] checking dtb-0.2.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate dtb 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate dtb 0.2.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dtb 0.2.0
[INFO] finished tweaking crates.io crate dtb 0.2.0
[INFO] tweaked toml for crates.io crate dtb 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate dtb 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18213ab2ccbb8d3aeb77f3f90f0795162570d43e3d615a27b6719bc062416665
[INFO] running `Command { std: "docker" "start" "-a" "18213ab2ccbb8d3aeb77f3f90f0795162570d43e3d615a27b6719bc062416665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18213ab2ccbb8d3aeb77f3f90f0795162570d43e3d615a27b6719bc062416665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18213ab2ccbb8d3aeb77f3f90f0795162570d43e3d615a27b6719bc062416665", kill_on_drop: false }`
[INFO] [stdout] 18213ab2ccbb8d3aeb77f3f90f0795162570d43e3d615a27b6719bc062416665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] caa7a6c33077e413d283bcd164eaaed945fcca2cdfcf147942f08dac5aae4ea5
[INFO] running `Command { std: "docker" "start" "-a" "caa7a6c33077e413d283bcd164eaaed945fcca2cdfcf147942f08dac5aae4ea5", kill_on_drop: false }`
[INFO] [stderr]     Checking dtb v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/writer.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     buf: &'a mut [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved_mem_offset`
[INFO] [stdout]   --> src/writer.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     reserved_mem_offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `struct_offset`
[INFO] [stdout]   --> src/writer.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     struct_offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings_offset`
[INFO] [stdout]   --> src/writer.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     strings_offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buf`
[INFO] [stdout]   --> src/writer.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     buf: &'a mut [u8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved_mem_offset`
[INFO] [stdout]   --> src/writer.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     reserved_mem_offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `struct_offset`
[INFO] [stdout]   --> src/writer.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     struct_offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `strings_offset`
[INFO] [stdout]   --> src/writer.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     strings_offset: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "caa7a6c33077e413d283bcd164eaaed945fcca2cdfcf147942f08dac5aae4ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa7a6c33077e413d283bcd164eaaed945fcca2cdfcf147942f08dac5aae4ea5", kill_on_drop: false }`
[INFO] [stdout] caa7a6c33077e413d283bcd164eaaed945fcca2cdfcf147942f08dac5aae4ea5