[INFO] cloning repository https://github.com/Spaceginner/sulphur-fs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Spaceginner/sulphur-fs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpaceginner%2Fsulphur-fs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpaceginner%2Fsulphur-fs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9d5d4529ef01abbb4f243ed352af14c7de56fa3
[INFO] checking Spaceginner/sulphur-fs against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpaceginner%2Fsulphur-fs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Spaceginner/sulphur-fs
[INFO] finished tweaking git repo https://github.com/Spaceginner/sulphur-fs
[INFO] tweaked toml for git repo https://github.com/Spaceginner/sulphur-fs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Spaceginner/sulphur-fs on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Spaceginner/sulphur-fs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gumdrop_derive v0.8.1
[INFO] [stderr]   Downloaded gumdrop v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9427139d7dcf96928db58a90dadc383b7629159a002f42d70d6d3cb43dcf3b45
[INFO] running `Command { std: "docker" "start" "-a" "9427139d7dcf96928db58a90dadc383b7629159a002f42d70d6d3cb43dcf3b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9427139d7dcf96928db58a90dadc383b7629159a002f42d70d6d3cb43dcf3b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9427139d7dcf96928db58a90dadc383b7629159a002f42d70d6d3cb43dcf3b45", kill_on_drop: false }`
[INFO] [stdout] 9427139d7dcf96928db58a90dadc383b7629159a002f42d70d6d3cb43dcf3b45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ef0a5fc55cba6a4e09c26721186aaa6b6dc4f3d10b03472650095e0a261a5c2
[INFO] running `Command { std: "docker" "start" "-a" "4ef0a5fc55cba6a4e09c26721186aaa6b6dc4f3d10b03472650095e0a261a5c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.80
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking sulphur-fs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:643:25
[INFO] [stdout]     |
[INFO] [stdout] 643 |     pub fn write(&self, data: &[u8]) -> FSRes<()> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]    --> src/lib.rs:856:5
[INFO] [stdout]     |
[INFO] [stdout] 855 | pub struct Jump {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 856 |     pos: FSPos,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/drive.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn iter(&self, start: u32) -> DriveBlockReader<Self> {
[INFO] [stdout]    |             ^^^^^                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn iter(&self, start: u32) -> DriveBlockReader<'_, Self> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/lib.rs:643:25
[INFO] [stdout]     |
[INFO] [stdout] 643 |     pub fn write(&self, data: &[u8]) -> FSRes<()> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pos` is never read
[INFO] [stdout]    --> src/lib.rs:856:5
[INFO] [stdout]     |
[INFO] [stdout] 855 | pub struct Jump {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 856 |     pos: FSPos,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/drive.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn iter(&self, start: u32) -> DriveBlockReader<Self> {
[INFO] [stdout]    |             ^^^^^                 ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |             |
[INFO] [stdout]    |             the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn iter(&self, start: u32) -> DriveBlockReader<'_, Self> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling gumdrop_derive v0.8.1
[INFO] [stderr]     Checking gumdrop v0.8.1
[INFO] [stderr]     Checking sofstool v0.1.0 (/opt/rustwide/workdir/sofstool)
[INFO] [stdout] warning: unused variable: `info_opts`
[INFO] [stdout]    --> sofstool/src/main.rs:376:33
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 Operation::Info(info_opts) => todo!(),
[INFO] [stdout]     |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_info_opts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bootstrap`, `disk_id`, `record_flag`, and `signature` are never read
[INFO] [stdout]  --> sofstool/src/mbr.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct MBRRecord {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 3 |     pub bootstrap: [u8; 440],
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 4 |     pub disk_id: u32,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 5 |     pub record_flag: u16,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 6 |     pub partitions: [PartitionRecord; 4],
[INFO] [stdout] 7 |     pub signature: u16,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attributes`, `start_chs_addr`, and `end_chs_addr` are never read
[INFO] [stdout]   --> sofstool/src/mbr.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PartitionRecord {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 18 |     pub attributes: PartitionAttributes,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 19 |     pub start_chs_addr: CHSAddress,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     pub sys_id: u8,
[INFO] [stdout] 21 |     pub end_chs_addr: CHSAddress,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> sofstool/src/mbr.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct PartitionAttributes(u8);
[INFO] [stdout]    |            ------------------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> sofstool/src/mbr.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct CHSAddress([u8; 3]);
[INFO] [stdout]    |            ---------- ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `head`, `sector`, and `cylinder` are never used
[INFO] [stdout]   --> sofstool/src/mbr.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl CHSAddress {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 33 |     pub fn head(&self) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn sector(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn cylinder(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info_opts`
[INFO] [stdout]    --> sofstool/src/main.rs:376:33
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 Operation::Info(info_opts) => todo!(),
[INFO] [stdout]     |                                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_info_opts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bootstrap`, `disk_id`, `record_flag`, and `signature` are never read
[INFO] [stdout]  --> sofstool/src/mbr.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct MBRRecord {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 3 |     pub bootstrap: [u8; 440],
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 4 |     pub disk_id: u32,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 5 |     pub record_flag: u16,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 6 |     pub partitions: [PartitionRecord; 4],
[INFO] [stdout] 7 |     pub signature: u16,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `attributes`, `start_chs_addr`, and `end_chs_addr` are never read
[INFO] [stdout]   --> sofstool/src/mbr.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct PartitionRecord {
[INFO] [stdout]    |            --------------- fields in this struct
[INFO] [stdout] 18 |     pub attributes: PartitionAttributes,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 19 |     pub start_chs_addr: CHSAddress,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 20 |     pub sys_id: u8,
[INFO] [stdout] 21 |     pub end_chs_addr: CHSAddress,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> sofstool/src/mbr.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct PartitionAttributes(u8);
[INFO] [stdout]    |            ------------------- ^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> sofstool/src/mbr.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct CHSAddress([u8; 3]);
[INFO] [stdout]    |            ---------- ^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `head`, `sector`, and `cylinder` are never used
[INFO] [stdout]   --> sofstool/src/mbr.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl CHSAddress {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 33 |     pub fn head(&self) -> u8 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn sector(&self) -> u8 {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn cylinder(&self) -> u16 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.94s
[INFO] running `Command { std: "docker" "inspect" "4ef0a5fc55cba6a4e09c26721186aaa6b6dc4f3d10b03472650095e0a261a5c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef0a5fc55cba6a4e09c26721186aaa6b6dc4f3d10b03472650095e0a261a5c2", kill_on_drop: false }`
[INFO] [stdout] 4ef0a5fc55cba6a4e09c26721186aaa6b6dc4f3d10b03472650095e0a261a5c2
