[INFO] cloning repository https://github.com/YC/fat-fuse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YC/fat-fuse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYC%2Ffat-fuse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYC%2Ffat-fuse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5757af856b210c75c482dff1dddf12fa64920ab7
[INFO] checking YC/fat-fuse against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYC%2Ffat-fuse" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YC/fat-fuse 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 git repo https://github.com/YC/fat-fuse
[INFO] finished tweaking git repo https://github.com/YC/fat-fuse
[INFO] tweaked toml for git repo https://github.com/YC/fat-fuse written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/YC/fat-fuse 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cda2ebd49f55073be450a1e427f2271d8cf177d1cfccf29e347ccdc297ce58f2
[INFO] running `Command { std: "docker" "start" "-a" "cda2ebd49f55073be450a1e427f2271d8cf177d1cfccf29e347ccdc297ce58f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda2ebd49f55073be450a1e427f2271d8cf177d1cfccf29e347ccdc297ce58f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda2ebd49f55073be450a1e427f2271d8cf177d1cfccf29e347ccdc297ce58f2", kill_on_drop: false }`
[INFO] [stdout] cda2ebd49f55073be450a1e427f2271d8cf177d1cfccf29e347ccdc297ce58f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 65db9380b5379c5e7ef6bdb13ecdb2b429dd8425ffc3d48a3e2d7c381cebeb35
[INFO] running `Command { std: "docker" "start" "-a" "65db9380b5379c5e7ef6bdb13ecdb2b429dd8425ffc3d48a3e2d7c381cebeb35", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking lib_fat v0.1.0 (/opt/rustwide/workdir/lib_fat)
[INFO] [stdout] warning: field is never read: `jump`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub(crate) jump: [u8; 3],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `media_descriptor`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub(crate) media_descriptor: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sectors_per_track`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub(crate) sectors_per_track: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `heads`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub(crate) heads: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hidden_sectors_count`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub(crate) hidden_sectors_count: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `drive_number`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub(crate) drive_number: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub(crate) reserved: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `boot_signature`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub(crate) boot_signature: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `volume_id`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub(crate) volume_id: [u8; 4],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `volume_label`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub(crate) volume_label: [u8; 11],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fs_type`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub(crate) fs_type: [u8; 8],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub(crate) version: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fsinfo_sector`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) fsinfo_sector: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `backup_sector`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub(crate) backup_sector: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub(crate) reserved: [u8; 12],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `drive_number`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub(crate) drive_number: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved_flags`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub(crate) reserved_flags: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `signature`
[INFO] [stdout]   --> lib_fat/src/fat_struct.rs:99:5
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub(crate) signature: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `volume_id`
[INFO] [stdout]    --> lib_fat/src/fat_struct.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub(crate) volume_id: [u8; 4],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `volume_label`
[INFO] [stdout]    --> lib_fat/src/fat_struct.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub(crate) volume_label: [u8; 11],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fs_type`
[INFO] [stdout]    --> lib_fat/src/fat_struct.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub(crate) fs_type: [u8; 8],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nt_reserved`
[INFO] [stdout]    --> lib_fat/src/fat_struct.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     pub(crate) nt_reserved: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dir_type`
[INFO] [stdout]    --> lib_fat/src/fat_struct.rs:179:5
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub(crate) dir_type: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `first_cluster_low`
[INFO] [stdout]    --> lib_fat/src/fat_struct.rs:185:5
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub(crate) first_cluster_low: u16,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `long_entries`
[INFO] [stdout]    --> lib_fat/src/fat_struct.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub(crate) long_entries: Vec<FatLongDirectoryEntry>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking fat-fuse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "65db9380b5379c5e7ef6bdb13ecdb2b429dd8425ffc3d48a3e2d7c381cebeb35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65db9380b5379c5e7ef6bdb13ecdb2b429dd8425ffc3d48a3e2d7c381cebeb35", kill_on_drop: false }`
[INFO] [stdout] 65db9380b5379c5e7ef6bdb13ecdb2b429dd8425ffc3d48a3e2d7c381cebeb35