[INFO] updating cached repository https://github.com/jaynus/foldy
[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] 794f1157efcf503e70e73790ab14dd40c5ac1744
[INFO] testing jaynus/foldy against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaynus%2Ffoldy" "/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/jaynus/foldy on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jaynus/foldy
[INFO] finished tweaking git repo https://github.com/jaynus/foldy
[INFO] tweaked toml for git repo https://github.com/jaynus/foldy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jaynus/foldy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83a0c92eb08b618151f0ce8fcd237970f2ab08ffb8afd031cac6f8d09b08196b
[INFO] running `"docker" "start" "-a" "83a0c92eb08b618151f0ce8fcd237970f2ab08ffb8afd031cac6f8d09b08196b"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.11
[INFO] [stderr]    Compiling foldy v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::FoldyError::DirectoryNotFound`
[INFO] [stderr]  --> src/memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::FoldyError::DirectoryNotFound;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashSet`, `Iter as PathIter`
[INFO] [stderr]  --> src/memory.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     path::{Iter as PathIter, Path, PathBuf},
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 9 |     std::collections::{HashMap, HashSet},
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/memory.rs:247:33
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn remove_dir<P>(&mut self, path: P) -> Result<(), FoldyError>
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn path(&self) -> PathBuf {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     self.grow(offset);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.23s
[INFO] running `"docker" "inspect" "83a0c92eb08b618151f0ce8fcd237970f2ab08ffb8afd031cac6f8d09b08196b"`
[INFO] running `"docker" "rm" "-f" "83a0c92eb08b618151f0ce8fcd237970f2ab08ffb8afd031cac6f8d09b08196b"`
[INFO] [stdout] 83a0c92eb08b618151f0ce8fcd237970f2ab08ffb8afd031cac6f8d09b08196b
[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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4be479fe5dd56744b37561c8c005ac8a5c919b3071da326491fa86cc3f1c7342
[INFO] running `"docker" "start" "-a" "4be479fe5dd56744b37561c8c005ac8a5c919b3071da326491fa86cc3f1c7342"`
[INFO] [stderr]    Compiling foldy v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::FoldyError::DirectoryNotFound`
[INFO] [stderr]  --> src/memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::FoldyError::DirectoryNotFound;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashSet`, `Iter as PathIter`
[INFO] [stderr]  --> src/memory.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     path::{Iter as PathIter, Path, PathBuf},
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 9 |     std::collections::{HashMap, HashSet},
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/memory.rs:247:33
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn remove_dir<P>(&mut self, path: P) -> Result<(), FoldyError>
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn path(&self) -> PathBuf {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     self.grow(offset);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::FoldyError::DirectoryNotFound`
[INFO] [stderr]  --> src/memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::FoldyError::DirectoryNotFound;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashSet`, `Iter as PathIter`
[INFO] [stderr]  --> src/memory.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     path::{Iter as PathIter, Path, PathBuf},
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 9 |     std::collections::{HashMap, HashSet},
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/memory.rs:247:33
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn remove_dir<P>(&mut self, path: P) -> Result<(), FoldyError>
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn path(&self) -> PathBuf {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     self.grow(offset);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         file.write(&test_data);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `"docker" "inspect" "4be479fe5dd56744b37561c8c005ac8a5c919b3071da326491fa86cc3f1c7342"`
[INFO] running `"docker" "rm" "-f" "4be479fe5dd56744b37561c8c005ac8a5c919b3071da326491fa86cc3f1c7342"`
[INFO] [stdout] 4be479fe5dd56744b37561c8c005ac8a5c919b3071da326491fa86cc3f1c7342
[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=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "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] 7140f0596474d18ccf46e0adee689d692bd15333d5da0adf2e5416e1ca2754ad
[INFO] running `"docker" "start" "-a" "7140f0596474d18ccf46e0adee689d692bd15333d5da0adf2e5416e1ca2754ad"`
[INFO] [stderr] warning: unused import: `crate::FoldyError::DirectoryNotFound`
[INFO] [stderr]  --> src/memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::FoldyError::DirectoryNotFound;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashSet`, `Iter as PathIter`
[INFO] [stderr]  --> src/memory.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     path::{Iter as PathIter, Path, PathBuf},
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 9 |     std::collections::{HashMap, HashSet},
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/memory.rs:247:33
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn remove_dir<P>(&mut self, path: P) -> Result<(), FoldyError>
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn path(&self) -> PathBuf {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     self.grow(offset);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::FoldyError::DirectoryNotFound`
[INFO] [stderr]  --> src/memory.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::FoldyError::DirectoryNotFound;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashSet`, `Iter as PathIter`
[INFO] [stderr]  --> src/memory.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |     path::{Iter as PathIter, Path, PathBuf},
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 9 |     std::collections::{HashMap, HashSet},
[INFO] [stderr]   |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/memory.rs:247:33
[INFO] [stderr]     |
[INFO] [stderr] 247 |     fn remove_dir<P>(&mut self, path: P) -> Result<(), FoldyError>
[INFO] [stderr]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/memory.rs:145:29
[INFO] [stderr]     |
[INFO] [stderr] 145 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[INFO] [stderr]     |                             ----^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `path`
[INFO] [stderr]   --> src/lib.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     path: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `path`
[INFO] [stderr]   --> src/lib.rs:54:5
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn path(&self) -> PathBuf {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:159:21
[INFO] [stderr]     |
[INFO] [stderr] 159 |                     self.grow(offset);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:172:21
[INFO] [stderr]     |
[INFO] [stderr] 172 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 |                     self.grow(new_offset as u64);
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/memory.rs:379:9
[INFO] [stderr]     |
[INFO] [stderr] 379 |         file.write(&test_data);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/foldy-e8fc3d2a65cdfe33
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test memory::test::memory_file_stdio ... ok
[INFO] [stdout] test memory::test::memory_file ... ok
[INFO] [stdout] test memory::test::read_dir ... ok
[INFO] [stdout] test memory::test::source_file_lookup ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests foldy
[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" "7140f0596474d18ccf46e0adee689d692bd15333d5da0adf2e5416e1ca2754ad"`
[INFO] running `"docker" "rm" "-f" "7140f0596474d18ccf46e0adee689d692bd15333d5da0adf2e5416e1ca2754ad"`
[INFO] [stdout] 7140f0596474d18ccf46e0adee689d692bd15333d5da0adf2e5416e1ca2754ad