[INFO] fetching crate fat32 0.2.0...
[INFO] testing fat32-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate fat32 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fat32 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fat32 0.2.0
[INFO] finished tweaking crates.io crate fat32 0.2.0
[INFO] tweaked toml for crates.io crate fat32 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block_device v0.1.3
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cab94939fea8b0ebfefbd08742d51251ae30fe7b29103bab29a8af499ebcaf5
[INFO] running `Command { std: "docker" "start" "-a" "4cab94939fea8b0ebfefbd08742d51251ae30fe7b29103bab29a8af499ebcaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cab94939fea8b0ebfefbd08742d51251ae30fe7b29103bab29a8af499ebcaf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cab94939fea8b0ebfefbd08742d51251ae30fe7b29103bab29a8af499ebcaf5", kill_on_drop: false }`
[INFO] [stdout] 4cab94939fea8b0ebfefbd08742d51251ae30fe7b29103bab29a8af499ebcaf5
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55d065fde75b554405a27d80fcf22332589b5c0cef0278bb0f40babd0b2b4167
[INFO] running `Command { std: "docker" "start" "-a" "55d065fde75b554405a27d80fcf22332589b5c0cef0278bb0f40babd0b2b4167", kill_on_drop: false }`
[INFO] [stderr]    Compiling block_device v0.1.3
[INFO] [stderr]    Compiling fat32 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `file_system` is never read
[INFO] [stdout]   --> src/bpb.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct BIOSParameterBlock {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub(crate) file_system: [u8; 8],
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BIOSParameterBlock` 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 0.77s
[INFO] running `Command { std: "docker" "inspect" "55d065fde75b554405a27d80fcf22332589b5c0cef0278bb0f40babd0b2b4167", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d065fde75b554405a27d80fcf22332589b5c0cef0278bb0f40babd0b2b4167", kill_on_drop: false }`
[INFO] [stdout] 55d065fde75b554405a27d80fcf22332589b5c0cef0278bb0f40babd0b2b4167
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ca8ca763582a3f2ad75bbbce499ed4c6337d147c13c956f58ae9a409028c54f
[INFO] running `Command { std: "docker" "start" "-a" "4ca8ca763582a3f2ad75bbbce499ed4c6337d147c13c956f58ae9a409028c54f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fat32 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `file_system` is never read
[INFO] [stdout]   --> src/bpb.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct BIOSParameterBlock {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub(crate) file_system: [u8; 8],
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BIOSParameterBlock` 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 `file_system` is never read
[INFO] [stdout]   --> src/bpb.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 3  | pub struct BIOSParameterBlock {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub(crate) file_system: [u8; 8],
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BIOSParameterBlock` 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 test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4ca8ca763582a3f2ad75bbbce499ed4c6337d147c13c956f58ae9a409028c54f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca8ca763582a3f2ad75bbbce499ed4c6337d147c13c956f58ae9a409028c54f", kill_on_drop: false }`
[INFO] [stdout] 4ca8ca763582a3f2ad75bbbce499ed4c6337d147c13c956f58ae9a409028c54f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ff9536ef7b41d24df1ad67a90aefe749091cdc70ae764e64f9c0cee7c435504
[INFO] running `Command { std: "docker" "start" "-a" "7ff9536ef7b41d24df1ad67a90aefe749091cdc70ae764e64f9c0cee7c435504", kill_on_drop: false }`
[INFO] [stderr] warning: field `file_system` is never read
[INFO] [stderr]   --> src/bpb.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 3  | pub struct BIOSParameterBlock {
[INFO] [stderr]    |            ------------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     pub(crate) file_system: [u8; 8],
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BIOSParameterBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fat32` (lib) generated 1 warning
[INFO] [stderr] warning: `fat32` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fat32-ed2175b23002695b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fat32
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ff9536ef7b41d24df1ad67a90aefe749091cdc70ae764e64f9c0cee7c435504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ff9536ef7b41d24df1ad67a90aefe749091cdc70ae764e64f9c0cee7c435504", kill_on_drop: false }`
[INFO] [stdout] 7ff9536ef7b41d24df1ad67a90aefe749091cdc70ae764e64f9c0cee7c435504
