[INFO] fetching crate fat32 0.2.0...
[INFO] testing fat32-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate fat32 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fat32 0.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ecbad68513fbcaa1e45c5633fa736ed20fce0fa4e0c96ad082192ca086bb6e7
[INFO] running `Command { std: "docker" "start" "-a" "2ecbad68513fbcaa1e45c5633fa736ed20fce0fa4e0c96ad082192ca086bb6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ecbad68513fbcaa1e45c5633fa736ed20fce0fa4e0c96ad082192ca086bb6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ecbad68513fbcaa1e45c5633fa736ed20fce0fa4e0c96ad082192ca086bb6e7", kill_on_drop: false }`
[INFO] [stdout] 2ecbad68513fbcaa1e45c5633fa736ed20fce0fa4e0c96ad082192ca086bb6e7
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c38a1ed29111520a6e684e375bfea980feb694a3bee40a1dade731ad682cdc78
[INFO] running `Command { std: "docker" "start" "-a" "c38a1ed29111520a6e684e375bfea980feb694a3bee40a1dade731ad682cdc78", 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 is never read: `file_system`
[INFO] [stdout]   --> src/bpb.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) file_system: [u8; 8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BIOSParameterBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bpb.rs:2:10
[INFO] [stdout]    |
[INFO] [stdout] 2  | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]    |          ^^^^^        ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "c38a1ed29111520a6e684e375bfea980feb694a3bee40a1dade731ad682cdc78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c38a1ed29111520a6e684e375bfea980feb694a3bee40a1dade731ad682cdc78", kill_on_drop: false }`
[INFO] [stdout] c38a1ed29111520a6e684e375bfea980feb694a3bee40a1dade731ad682cdc78
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a74542660e1e47de24efbdd2dd8ad3e37e942984c2230007642373ee3530e7
[INFO] running `Command { std: "docker" "start" "-a" "88a74542660e1e47de24efbdd2dd8ad3e37e942984c2230007642373ee3530e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling fat32 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `file_system`
[INFO] [stdout]   --> src/bpb.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) file_system: [u8; 8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BIOSParameterBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bpb.rs:2:10
[INFO] [stdout]    |
[INFO] [stdout] 2  | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]    |          ^^^^^        ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_system`
[INFO] [stdout]   --> src/bpb.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub(crate) file_system: [u8; 8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `BIOSParameterBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/bpb.rs:2:10
[INFO] [stdout]    |
[INFO] [stdout] 2  | #[derive(Debug, Copy, Clone)]
[INFO] [stdout]    |          ^^^^^        ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "88a74542660e1e47de24efbdd2dd8ad3e37e942984c2230007642373ee3530e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a74542660e1e47de24efbdd2dd8ad3e37e942984c2230007642373ee3530e7", kill_on_drop: false }`
[INFO] [stdout] 88a74542660e1e47de24efbdd2dd8ad3e37e942984c2230007642373ee3530e7
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96fd4c47e2d6e021e6d7fbcf133c22ba8d1f3e901b3e50944d9da0526c25f433
[INFO] running `Command { std: "docker" "start" "-a" "96fd4c47e2d6e021e6d7fbcf133c22ba8d1f3e901b3e50944d9da0526c25f433", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `file_system`
[INFO] [stderr]   --> src/bpb.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub(crate) file_system: [u8; 8],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `BIOSParameterBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/bpb.rs:2:10
[INFO] [stderr]    |
[INFO] [stderr] 2  | #[derive(Debug, Copy, Clone)]
[INFO] [stderr]    |          ^^^^^        ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 1.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fat32-5b3794fd3b6cc5ae)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fat32
[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] [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" "96fd4c47e2d6e021e6d7fbcf133c22ba8d1f3e901b3e50944d9da0526c25f433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fd4c47e2d6e021e6d7fbcf133c22ba8d1f3e901b3e50944d9da0526c25f433", kill_on_drop: false }`
[INFO] [stdout] 96fd4c47e2d6e021e6d7fbcf133c22ba8d1f3e901b3e50944d9da0526c25f433