[INFO] updating cached repository https://github.com/stay-on-main/fs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2381acf3a75cd2cc45cbf16f332d1fe4a5bcb729
[INFO] testing stay-on-main/fs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstay-on-main%2Ffs" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stay-on-main/fs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/stay-on-main/fs
[INFO] finished tweaking git repo https://github.com/stay-on-main/fs
[INFO] tweaked toml for git repo https://github.com/stay-on-main/fs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/stay-on-main/fs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] ac75070636865dc52439c2a763729deb312a66f7e1af3defa76a480edea5fff9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ac75070636865dc52439c2a763729deb312a66f7e1af3defa76a480edea5fff9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Seek`, `Write`
[INFO] [stderr]  --> src/fs/dir.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::fs::stream::{Seek, Read, Write};
[INFO] [stderr]   |                         ^^^^        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cluster`
[INFO] [stderr]    --> src/fs/fs.rs:193:39
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cluster`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/fs/fs.rs:193:53
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cluster`
[INFO] [stderr]    --> src/fs/fs.rs:252:37
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub fn cluster_to_sector(&self, cluster: u32) -> u32 {
[INFO] [stderr]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cluster`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/fs/file.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn resize(&mut self, size: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/fs/dir.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 Err(e) => return None,
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]    --> src/fs/stream.rs:113:27
[INFO] [stderr]     |
[INFO] [stderr] 113 |             SeekFrom::End(end) => todo!(),
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat32`
[INFO] [stderr]  --> src/fs/fs.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Fat32,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat16`
[INFO] [stderr]  --> src/fs/fs.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Fat16,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat12`
[INFO] [stderr]  --> src/fs/fs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Fat12,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `io`
[INFO] [stderr]   --> src/fs/fs.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     io: &'bd dyn BlockDeviceIo,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `table_chain_delete`
[INFO] [stderr]    --> src/fs/fs.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn table_chain_delete(&self, cluster: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `table_chain_set_len`
[INFO] [stderr]    --> src/fs/fs.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadBlockSize`
[INFO] [stderr]  --> src/fs/sector.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     BadBlockSize,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PartitionOutOfStorageSpace`
[INFO] [stderr]  --> src/fs/sector.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     PartitionOutOfStorageSpace,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ReadError`
[INFO] [stderr]  --> src/fs/sector.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ReadError,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WriteError`
[INFO] [stderr]  --> src/fs/sector.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     WriteError,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DirEntryNotFile`
[INFO] [stderr]   --> src/fs/sector.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     DirEntryNotFile,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FileOrFolderDesntExist`
[INFO] [stderr]   --> src/fs/sector.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     FileOrFolderDesntExist,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadCount`
[INFO] [stderr]   --> src/fs/sector.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     BadCount,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EndOfFile`
[INFO] [stderr]   --> src/fs/sector.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     EndOfFile,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnExpectedEndOfFile`
[INFO] [stderr]   --> src/fs/sector.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     UnExpectedEndOfFile,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `BLOCK_MIN_SIZE`
[INFO] [stderr]   --> src/fs/sector.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const BLOCK_MIN_SIZE: usize = 512;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/fs/sector.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn new(io: &'bd dyn BlockDeviceIo) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/fs/sector.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn new(io: &'bd dyn BlockDeviceIo) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `File`
[INFO] [stderr]  --> src/fs/file.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct File<'stream, 'bd: 'stream> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/fs/file.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn read(&mut self, buff: &mut[u8]) -> Result<usize, FsErr> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/fs/file.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn write(&mut self, buff: &[u8]) -> Result<usize, FsErr> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `seek`
[INFO] [stderr]   --> src/fs/file.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn seek(&mut self, offset: SeekFrom) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `resize`
[INFO] [stderr]   --> src/fs/file.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn resize(&mut self, size: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `close`
[INFO] [stderr]   --> src/fs/file.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn close(mut self) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]   --> src/fs/dir.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     data: [u8; 32],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Start`
[INFO] [stderr]  --> src/fs/stream.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Start(u32),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Current`
[INFO] [stderr]  --> src/fs/stream.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Current(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `End`
[INFO] [stderr]  --> src/fs/stream.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     End(i32),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_len`
[INFO] [stderr]   --> src/fs/stream.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_len(&mut self, cluster_count: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "ac75070636865dc52439c2a763729deb312a66f7e1af3defa76a480edea5fff9"`
[INFO] running `"docker" "rm" "-f" "ac75070636865dc52439c2a763729deb312a66f7e1af3defa76a480edea5fff9"`
[INFO] [stdout] ac75070636865dc52439c2a763729deb312a66f7e1af3defa76a480edea5fff9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 348574fe4c3861e60802cb1d7308fc9b533b9aa7fa0fed4fa8772623fd09468e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "348574fe4c3861e60802cb1d7308fc9b533b9aa7fa0fed4fa8772623fd09468e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Seek`, `Write`
[INFO] [stderr]  --> src/fs/dir.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::fs::stream::{Seek, Read, Write};
[INFO] [stderr]   |                         ^^^^        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cluster`
[INFO] [stderr]    --> src/fs/fs.rs:193:39
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cluster`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/fs/fs.rs:193:53
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cluster`
[INFO] [stderr]    --> src/fs/fs.rs:252:37
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub fn cluster_to_sector(&self, cluster: u32) -> u32 {
[INFO] [stderr]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cluster`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/fs/file.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn resize(&mut self, size: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/fs/dir.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 Err(e) => return None,
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]    --> src/fs/stream.rs:113:27
[INFO] [stderr]     |
[INFO] [stderr] 113 |             SeekFrom::End(end) => todo!(),
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat32`
[INFO] [stderr]  --> src/fs/fs.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Fat32,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat16`
[INFO] [stderr]  --> src/fs/fs.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Fat16,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat12`
[INFO] [stderr]  --> src/fs/fs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Fat12,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `io`
[INFO] [stderr]   --> src/fs/fs.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     io: &'bd dyn BlockDeviceIo,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `table_chain_delete`
[INFO] [stderr]    --> src/fs/fs.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn table_chain_delete(&self, cluster: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `table_chain_set_len`
[INFO] [stderr]    --> src/fs/fs.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadBlockSize`
[INFO] [stderr]  --> src/fs/sector.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     BadBlockSize,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PartitionOutOfStorageSpace`
[INFO] [stderr]  --> src/fs/sector.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     PartitionOutOfStorageSpace,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ReadError`
[INFO] [stderr]  --> src/fs/sector.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ReadError,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WriteError`
[INFO] [stderr]  --> src/fs/sector.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     WriteError,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DirEntryNotFile`
[INFO] [stderr]   --> src/fs/sector.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     DirEntryNotFile,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FileOrFolderDesntExist`
[INFO] [stderr]   --> src/fs/sector.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     FileOrFolderDesntExist,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadCount`
[INFO] [stderr]   --> src/fs/sector.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     BadCount,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EndOfFile`
[INFO] [stderr]   --> src/fs/sector.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     EndOfFile,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnExpectedEndOfFile`
[INFO] [stderr]   --> src/fs/sector.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     UnExpectedEndOfFile,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `BLOCK_MIN_SIZE`
[INFO] [stderr]   --> src/fs/sector.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const BLOCK_MIN_SIZE: usize = 512;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/fs/sector.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn new(io: &'bd dyn BlockDeviceIo) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/fs/sector.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn new(io: &'bd dyn BlockDeviceIo) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `File`
[INFO] [stderr]  --> src/fs/file.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct File<'stream, 'bd: 'stream> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/fs/file.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn read(&mut self, buff: &mut[u8]) -> Result<usize, FsErr> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/fs/file.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn write(&mut self, buff: &[u8]) -> Result<usize, FsErr> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `seek`
[INFO] [stderr]   --> src/fs/file.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn seek(&mut self, offset: SeekFrom) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `resize`
[INFO] [stderr]   --> src/fs/file.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn resize(&mut self, size: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `close`
[INFO] [stderr]   --> src/fs/file.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn close(mut self) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]   --> src/fs/dir.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     data: [u8; 32],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Start`
[INFO] [stderr]  --> src/fs/stream.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Start(u32),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Current`
[INFO] [stderr]  --> src/fs/stream.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Current(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `End`
[INFO] [stderr]  --> src/fs/stream.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     End(i32),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_len`
[INFO] [stderr]   --> src/fs/stream.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_len(&mut self, cluster_count: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "348574fe4c3861e60802cb1d7308fc9b533b9aa7fa0fed4fa8772623fd09468e"`
[INFO] running `"docker" "rm" "-f" "348574fe4c3861e60802cb1d7308fc9b533b9aa7fa0fed4fa8772623fd09468e"`
[INFO] [stdout] 348574fe4c3861e60802cb1d7308fc9b533b9aa7fa0fed4fa8772623fd09468e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 90c244df1c6c8176d9af107b519cb6ccd04a5a9922ab55e1f2656ab5f72ede6f
[INFO] running `"docker" "start" "-a" "90c244df1c6c8176d9af107b519cb6ccd04a5a9922ab55e1f2656ab5f72ede6f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Seek`, `Write`
[INFO] [stderr]  --> src/fs/dir.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::fs::stream::{Seek, Read, Write};
[INFO] [stderr]   |                         ^^^^        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cluster`
[INFO] [stderr]    --> src/fs/fs.rs:193:39
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cluster`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `count`
[INFO] [stderr]    --> src/fs/fs.rs:193:53
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |                                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_count`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cluster`
[INFO] [stderr]    --> src/fs/fs.rs:252:37
[INFO] [stderr]     |
[INFO] [stderr] 252 |     pub fn cluster_to_sector(&self, cluster: u32) -> u32 {
[INFO] [stderr]     |                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cluster`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `size`
[INFO] [stderr]   --> src/fs/file.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn resize(&mut self, size: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/fs/dir.rs:69:21
[INFO] [stderr]    |
[INFO] [stderr] 69 |                 Err(e) => return None,
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end`
[INFO] [stderr]    --> src/fs/stream.rs:113:27
[INFO] [stderr]     |
[INFO] [stderr] 113 |             SeekFrom::End(end) => todo!(),
[INFO] [stderr]     |                           ^^^ help: if this is intentional, prefix it with an underscore: `_end`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat32`
[INFO] [stderr]  --> src/fs/fs.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Fat32,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat16`
[INFO] [stderr]  --> src/fs/fs.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Fat16,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Fat12`
[INFO] [stderr]  --> src/fs/fs.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Fat12,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `io`
[INFO] [stderr]   --> src/fs/fs.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     io: &'bd dyn BlockDeviceIo,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `table_chain_delete`
[INFO] [stderr]    --> src/fs/fs.rs:178:12
[INFO] [stderr]     |
[INFO] [stderr] 178 |     pub fn table_chain_delete(&self, cluster: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `table_chain_set_len`
[INFO] [stderr]    --> src/fs/fs.rs:193:12
[INFO] [stderr]     |
[INFO] [stderr] 193 |     pub fn table_chain_set_len(&self, cluster: u32, count: u32) -> Result<(), FsErr> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadBlockSize`
[INFO] [stderr]  --> src/fs/sector.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     BadBlockSize,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PartitionOutOfStorageSpace`
[INFO] [stderr]  --> src/fs/sector.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     PartitionOutOfStorageSpace,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ReadError`
[INFO] [stderr]  --> src/fs/sector.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     ReadError,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WriteError`
[INFO] [stderr]  --> src/fs/sector.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     WriteError,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DirEntryNotFile`
[INFO] [stderr]   --> src/fs/sector.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     DirEntryNotFile,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FileOrFolderDesntExist`
[INFO] [stderr]   --> src/fs/sector.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     FileOrFolderDesntExist,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `BadCount`
[INFO] [stderr]   --> src/fs/sector.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     BadCount,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EndOfFile`
[INFO] [stderr]   --> src/fs/sector.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     EndOfFile,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnExpectedEndOfFile`
[INFO] [stderr]   --> src/fs/sector.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     UnExpectedEndOfFile,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `BLOCK_MIN_SIZE`
[INFO] [stderr]   --> src/fs/sector.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const BLOCK_MIN_SIZE: usize = 512;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/fs/sector.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn new(io: &'bd dyn BlockDeviceIo) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/fs/sector.rs:105:12
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn new(io: &'bd dyn BlockDeviceIo) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `File`
[INFO] [stderr]  --> src/fs/file.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct File<'stream, 'bd: 'stream> {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/fs/file.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn read(&mut self, buff: &mut[u8]) -> Result<usize, FsErr> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/fs/file.rs:38:12
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn write(&mut self, buff: &[u8]) -> Result<usize, FsErr> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `seek`
[INFO] [stderr]   --> src/fs/file.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn seek(&mut self, offset: SeekFrom) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `resize`
[INFO] [stderr]   --> src/fs/file.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn resize(&mut self, size: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `close`
[INFO] [stderr]   --> src/fs/file.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn close(mut self) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `data`
[INFO] [stderr]   --> src/fs/dir.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     data: [u8; 32],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Start`
[INFO] [stderr]  --> src/fs/stream.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Start(u32),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Current`
[INFO] [stderr]  --> src/fs/stream.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Current(i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `End`
[INFO] [stderr]  --> src/fs/stream.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     End(i32),
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_len`
[INFO] [stderr]   --> src/fs/stream.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn set_len(&mut self, cluster_count: u32) -> Result<(), FsErr> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 36 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stream-209837ffc8d84969
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "90c244df1c6c8176d9af107b519cb6ccd04a5a9922ab55e1f2656ab5f72ede6f"`
[INFO] running `"docker" "rm" "-f" "90c244df1c6c8176d9af107b519cb6ccd04a5a9922ab55e1f2656ab5f72ede6f"`
[INFO] [stdout] 90c244df1c6c8176d9af107b519cb6ccd04a5a9922ab55e1f2656ab5f72ede6f