[INFO] fetching crate fat32 0.2.0...
[INFO] testing fat32-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate fat32 0.2.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate fat32 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-16/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71193aa0c06a59b05408cfe4f8939687de6d05b057a27c28f658784a8fb98b47
[INFO] running `Command { std: "docker" "start" "-a" "71193aa0c06a59b05408cfe4f8939687de6d05b057a27c28f658784a8fb98b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71193aa0c06a59b05408cfe4f8939687de6d05b057a27c28f658784a8fb98b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71193aa0c06a59b05408cfe4f8939687de6d05b057a27c28f658784a8fb98b47", kill_on_drop: false }`
[INFO] [stdout] 71193aa0c06a59b05408cfe4f8939687de6d05b057a27c28f658784a8fb98b47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edb08a47cb6ee0b932c94ddf49bec29481c5c9fb9e766887f6b98e8764dac443
[INFO] running `Command { std: "docker" "start" "-a" "edb08a47cb6ee0b932c94ddf49bec29481c5c9fb9e766887f6b98e8764dac443", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.33s
[INFO] running `Command { std: "docker" "inspect" "edb08a47cb6ee0b932c94ddf49bec29481c5c9fb9e766887f6b98e8764dac443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb08a47cb6ee0b932c94ddf49bec29481c5c9fb9e766887f6b98e8764dac443", kill_on_drop: false }`
[INFO] [stdout] edb08a47cb6ee0b932c94ddf49bec29481c5c9fb9e766887f6b98e8764dac443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b94bb2767e07449b8792df1c7d14f9b9c1a0e226e8f0cc5af7f20e48f365748
[INFO] running `Command { std: "docker" "start" "-a" "0b94bb2767e07449b8792df1c7d14f9b9c1a0e226e8f0cc5af7f20e48f365748", kill_on_drop: false }`
[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] [stderr]    Compiling fat32 v0.2.0 (/opt/rustwide/workdir)
[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 0.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/fat32-5b3794fd3b6cc5ae)
[INFO] running `Command { std: "docker" "inspect" "0b94bb2767e07449b8792df1c7d14f9b9c1a0e226e8f0cc5af7f20e48f365748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b94bb2767e07449b8792df1c7d14f9b9c1a0e226e8f0cc5af7f20e48f365748", kill_on_drop: false }`
[INFO] [stdout] 0b94bb2767e07449b8792df1c7d14f9b9c1a0e226e8f0cc5af7f20e48f365748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 30304354a8e433f43fc09cca56b37a5d02c8af2bc57b37840b67764d5b9f2121
[INFO] running `Command { std: "docker" "start" "-a" "30304354a8e433f43fc09cca56b37a5d02c8af2bc57b37840b67764d5b9f2121", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fat32-5b3794fd3b6cc5ae)
[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" "30304354a8e433f43fc09cca56b37a5d02c8af2bc57b37840b67764d5b9f2121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30304354a8e433f43fc09cca56b37a5d02c8af2bc57b37840b67764d5b9f2121", kill_on_drop: false }`
[INFO] [stdout] 30304354a8e433f43fc09cca56b37a5d02c8af2bc57b37840b67764d5b9f2121