[INFO] cloning repository https://github.com/TrecApps/disk_reader [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TrecApps/disk_reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrecApps%2Fdisk_reader", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrecApps%2Fdisk_reader'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6b3d375801bdab4b9478c17b07cf9c78a52396fe [INFO] checking TrecApps/disk_reader against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrecApps%2Fdisk_reader" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TrecApps/disk_reader on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/TrecApps/disk_reader [INFO] finished tweaking git repo https://github.com/TrecApps/disk_reader [INFO] tweaked toml for git repo https://github.com/TrecApps/disk_reader written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/TrecApps/disk_reader already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d8fb3bbb65374fb871586bd491808133805547e303af7d9cdff2ab91d57d189 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7d8fb3bbb65374fb871586bd491808133805547e303af7d9cdff2ab91d57d189", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d8fb3bbb65374fb871586bd491808133805547e303af7d9cdff2ab91d57d189", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d8fb3bbb65374fb871586bd491808133805547e303af7d9cdff2ab91d57d189", kill_on_drop: false }` [INFO] [stdout] 7d8fb3bbb65374fb871586bd491808133805547e303af7d9cdff2ab91d57d189 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 384c6c60fc50e81d7d2a21e8ddaf2d946042dc2a43f882e68f05262a9cb09f8d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "384c6c60fc50e81d7d2a21e8ddaf2d946042dc2a43f882e68f05262a9cb09f8d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking disk_reader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/disk/mbr.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let mut signature = u16::from_ne_bytes(buffer); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `reserved` [INFO] [stdout] --> src/disk/ntfs.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | reserved: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `reserved_2` [INFO] [stdout] --> src/disk/ntfs.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | reserved_2: [u8;3], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `oem` [INFO] [stdout] --> src/disk/fat.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | oem: [char;8], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FatBoot12_16` [INFO] [stdout] --> src/disk/fat.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct FatBoot12_16 [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FatBoot32` [INFO] [stdout] --> src/disk/fat.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct FatBoot32 [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SuperblockExt` [INFO] [stdout] --> src/disk/ext.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | struct SuperblockExt [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/disk/mbr.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let mut signature = u16::from_ne_bytes(buffer); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/ntfs.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | file.seek(SeekFrom::Start(start)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/ntfs.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/mbr.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | file.seek(SeekFrom::Start(start)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/mbr.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/mbr.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | file.seek(SeekFrom::Start(start + (16 * 4))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/mbr.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/fat.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | file.seek(SeekFrom::Start(start)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/fat.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/ext.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | file.seek(SeekFrom::Start(start)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/ext.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `reserved` [INFO] [stdout] --> src/disk/ntfs.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | reserved: u32, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `reserved_2` [INFO] [stdout] --> src/disk/ntfs.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | reserved_2: [u8;3], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `oem` [INFO] [stdout] --> src/disk/fat.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | oem: [char;8], [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FatBoot12_16` [INFO] [stdout] --> src/disk/fat.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct FatBoot12_16 [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `FatBoot32` [INFO] [stdout] --> src/disk/fat.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct FatBoot32 [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `SuperblockExt` [INFO] [stdout] --> src/disk/ext.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | struct SuperblockExt [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/ntfs.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | file.seek(SeekFrom::Start(start)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/ntfs.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/mbr.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | file.seek(SeekFrom::Start(start)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/mbr.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/mbr.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | file.seek(SeekFrom::Start(start + (16 * 4))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/mbr.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/fat.rs:64:9 [INFO] [stdout] | [INFO] [stdout] 64 | file.seek(SeekFrom::Start(start)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/fat.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/ext.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | file.seek(SeekFrom::Start(start)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/disk/ext.rs:73:9 [INFO] [stdout] | [INFO] [stdout] 73 | file.read(&mut buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `Command { std: "docker" "inspect" "384c6c60fc50e81d7d2a21e8ddaf2d946042dc2a43f882e68f05262a9cb09f8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "384c6c60fc50e81d7d2a21e8ddaf2d946042dc2a43f882e68f05262a9cb09f8d", kill_on_drop: false }` [INFO] [stdout] 384c6c60fc50e81d7d2a21e8ddaf2d946042dc2a43f882e68f05262a9cb09f8d