[INFO] cloning repository https://github.com/nicofff/rust_fat32
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nicofff/rust_fat32" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicofff%2Frust_fat32", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicofff%2Frust_fat32'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 375dbe2e2d5ddcf9530f58bbdc8c0d62b5c7e28f
[INFO] checking nicofff/rust_fat32 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnicofff%2Frust_fat32" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nicofff/rust_fat32 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nicofff/rust_fat32
[INFO] finished tweaking git repo https://github.com/nicofff/rust_fat32
[INFO] tweaked toml for git repo https://github.com/nicofff/rust_fat32 written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/nicofff/rust_fat32 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bd390b182aacef3c719f8743a3c84c74137f8e628ac5b42ce45e10b7b9272e5
[INFO] running `Command { std: "docker" "start" "-a" "8bd390b182aacef3c719f8743a3c84c74137f8e628ac5b42ce45e10b7b9272e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bd390b182aacef3c719f8743a3c84c74137f8e628ac5b42ce45e10b7b9272e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd390b182aacef3c719f8743a3c84c74137f8e628ac5b42ce45e10b7b9272e5", kill_on_drop: false }`
[INFO] [stdout] 8bd390b182aacef3c719f8743a3c84c74137f8e628ac5b42ce45e10b7b9272e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c53ef5a8c08b63d069e7388fc33be446b9ee8d6526a049d657043a476305b3dd
[INFO] running `Command { std: "docker" "start" "-a" "c53ef5a8c08b63d069e7388fc33be446b9ee8d6526a049d657043a476305b3dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking rust_fat32 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `fat_start`
[INFO] [stdout]   --> src/fatfs.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fat_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fat_start`
[INFO] [stdout]   --> src/fatfs.rs:17:2
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fat_start: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sectors_per_cluster`
[INFO] [stdout]   --> src/fatfs.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     sectors_per_cluster: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_dir`
[INFO] [stdout]   --> src/fatfs.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     root_dir: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fs_info_sector`
[INFO] [stdout]   --> src/fatfs.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fs_info_sector:usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `subdir`
[INFO] [stdout]   --> src/fatfs.rs:37:2
[INFO] [stdout]    |
[INFO] [stdout] 37 |     subdir:bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cluster`
[INFO] [stdout]   --> src/fatfs.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 |     cluster: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filesize`
[INFO] [stdout]   --> src/fatfs.rs:39:2
[INFO] [stdout]    |
[INFO] [stdout] 39 |     filesize: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sectors_per_cluster`
[INFO] [stdout]   --> src/fatfs.rs:19:2
[INFO] [stdout]    |
[INFO] [stdout] 19 |     sectors_per_cluster: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_dir`
[INFO] [stdout]   --> src/fatfs.rs:21:2
[INFO] [stdout]    |
[INFO] [stdout] 21 |     root_dir: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fs_info_sector`
[INFO] [stdout]   --> src/fatfs.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fs_info_sector:usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `subdir`
[INFO] [stdout]   --> src/fatfs.rs:37:2
[INFO] [stdout]    |
[INFO] [stdout] 37 |     subdir:bool,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cluster`
[INFO] [stdout]   --> src/fatfs.rs:38:2
[INFO] [stdout]    |
[INFO] [stdout] 38 |     cluster: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `filesize`
[INFO] [stdout]   --> src/fatfs.rs:39:2
[INFO] [stdout]    |
[INFO] [stdout] 39 |     filesize: usize
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "c53ef5a8c08b63d069e7388fc33be446b9ee8d6526a049d657043a476305b3dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53ef5a8c08b63d069e7388fc33be446b9ee8d6526a049d657043a476305b3dd", kill_on_drop: false }`
[INFO] [stdout] c53ef5a8c08b63d069e7388fc33be446b9ee8d6526a049d657043a476305b3dd