[INFO] updating cached repository xurtis/isolate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xurtis/isolate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xurtis/isolate" "work/ex/clippy-test-run/sources/stable/gh/xurtis/isolate"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/xurtis/isolate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xurtis/isolate" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xurtis/isolate"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xurtis/isolate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b3bc1fc1fb3135f72a6b685fcbd3e0553abcc442
[INFO] sha for GitHub repo xurtis/isolate: b3bc1fc1fb3135f72a6b685fcbd3e0553abcc442
[INFO] validating manifest of xurtis/isolate on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xurtis/isolate on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xurtis/isolate
[INFO] finished frobbing xurtis/isolate
[INFO] frobbed toml for xurtis/isolate written to work/ex/clippy-test-run/sources/stable/gh/xurtis/isolate/Cargo.toml
[INFO] started frobbing xurtis/isolate
[INFO] finished frobbing xurtis/isolate
[INFO] frobbed toml for xurtis/isolate written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/xurtis/isolate/Cargo.toml
[INFO] crate xurtis/isolate has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting xurtis/isolate against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/xurtis/isolate:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7895003e567d3887c1c846dd08164e7f262e212d97585e10eb6427879c953a1f
[INFO] running `"docker" "start" "-a" "7895003e567d3887c1c846dd08164e7f262e212d97585e10eb6427879c953a1f"`
[INFO] [stderr]    Compiling serde v1.0.64
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.4
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking errno v0.2.3
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.1
[INFO] [stderr]     Checking unshare v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.64
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking docopt v0.8.3
[INFO] [stderr]     Checking isolate v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/context.rs:227:2
[INFO] [stderr]     |
[INFO] [stderr] 227 |     return EXIT_SUCCESS;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `EXIT_SUCCESS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/control_group.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/control_group.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/ipc.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/ipc.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/namespace/mount.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/network.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/network.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/pid.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/pid.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/uts.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/uts.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/context.rs:227:2
[INFO] [stderr]     |
[INFO] [stderr] 227 |     return EXIT_SUCCESS;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `EXIT_SUCCESS`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/control_group.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/control_group.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/ipc.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/ipc.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/namespace/mount.rs:3:23
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/network.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/network.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/pid.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/pid.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::error::*`
[INFO] [stderr]  --> src/namespace/uts.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use ::error::*;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `::Child`
[INFO] [stderr]  --> src/namespace/uts.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use ::Child;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Allow`
[INFO] [stderr]    --> src/namespace/user.rs:114:2
[INFO] [stderr]     |
[INFO] [stderr] 114 |     Allow,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/context.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / pub struct Context {
[INFO] [stderr] 36 | |     namespaces: Vec<Box<Namespace>>,
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | #![warn(missing_debug_implementations)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `context::Context`
[INFO] [stderr]   --> src/context.rs:44:2
[INFO] [stderr]    |
[INFO] [stderr] 44 |       pub fn new() -> Context {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 45 | |         Context {
[INFO] [stderr] 46 | |             namespaces: Vec::new()
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/context.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn map(&self) -> c_int {
[INFO] [stderr]     |            ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/context.rs:156:15
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn addrspace(&self) -> c_int {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]    --> src/context.rs:231:1
[INFO] [stderr]     |
[INFO] [stderr] 231 | pub struct Child(pid_t);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/control_group.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct ControlGroup {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::control_group::ControlGroup`
[INFO] [stderr]   --> src/namespace/control_group.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |       pub fn new() -> ControlGroup {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 22 | |         ControlGroup {}
[INFO] [stderr] 23 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/ipc.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Ipc {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::ipc::Ipc`
[INFO] [stderr]   --> src/namespace/ipc.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |       pub fn new() -> Ipc {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 23 | |         Ipc {}
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::mount::EmptyMount`
[INFO] [stderr]   --> src/namespace/mount.rs:50:2
[INFO] [stderr]    |
[INFO] [stderr] 50 |       pub fn new() -> EmptyMount {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 51 | |         EmptyMount()
[INFO] [stderr] 52 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 44 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/namespace/mount.rs:243:17
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn as_bind(mut self) -> Mount {
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/namespace/mount.rs:373:4
[INFO] [stderr]     |
[INFO] [stderr] 373 |               match mount(
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 374 | |                 self.src(),
[INFO] [stderr] 375 | |                 self.target(),
[INFO] [stderr] 376 | |                 self.fstype(),
[INFO] [stderr] ...   |
[INFO] [stderr] 381 | |                 _ => ()
[INFO] [stderr] 382 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 373 |             if let -1 = mount(
[INFO] [stderr] 374 |                 self.src(),
[INFO] [stderr] 375 |                 self.target(),
[INFO] [stderr] 376 |                 self.fstype(),
[INFO] [stderr] 377 |                 self.flags,
[INFO] [stderr] 378 |                 ptr::null()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/namespace/mount.rs:426:3
[INFO] [stderr]     |
[INFO] [stderr] 426 |           match (&self.mounted, self.umount) {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 427 | |             (Some(ref path), true) => unsafe {
[INFO] [stderr] 428 | |                 umount(path.as_ptr());
[INFO] [stderr] 429 | |             },
[INFO] [stderr] 430 | |             _ => {}
[INFO] [stderr] 431 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 426 |         if let (Some(ref path), true) = (&self.mounted, self.umount) unsafe {
[INFO] [stderr] 427 |     umount(path.as_ptr());
[INFO] [stderr] 428 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/network.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct Network {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::network::Network`
[INFO] [stderr]   --> src/namespace/network.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |       pub fn new() -> Network {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 27 | |         Network {}
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/pid.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Pid {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::pid::Pid`
[INFO] [stderr]   --> src/namespace/pid.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |       pub fn new() -> Pid {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 21 | |         Pid {}
[INFO] [stderr] 22 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/user.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / pub struct User {
[INFO] [stderr] 32 | |     map_root_user: bool,
[INFO] [stderr] 33 | |     map_root_group: bool,
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/uts.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Uts {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::uts::Uts`
[INFO] [stderr]   --> src/namespace/uts.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |       pub fn new() -> Uts {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 20 | |         Uts {}
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Allow`
[INFO] [stderr]    --> src/namespace/user.rs:114:2
[INFO] [stderr]     |
[INFO] [stderr] 114 |     Allow,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/context.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | / pub struct Context {
[INFO] [stderr] 36 | |     namespaces: Vec<Box<Namespace>>,
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:5:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | #![warn(missing_debug_implementations)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `context::Context`
[INFO] [stderr]   --> src/context.rs:44:2
[INFO] [stderr]    |
[INFO] [stderr] 44 |       pub fn new() -> Context {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 45 | |         Context {
[INFO] [stderr] 46 | |             namespaces: Vec::new()
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 35 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/context.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |     fn map(&self) -> c_int {
[INFO] [stderr]     |            ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> src/context.rs:156:15
[INFO] [stderr]     |
[INFO] [stderr] 156 |     fn addrspace(&self) -> c_int {
[INFO] [stderr]     |                  ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]    --> src/context.rs:231:1
[INFO] [stderr]     |
[INFO] [stderr] 231 | pub struct Child(pid_t);
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/control_group.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct ControlGroup {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::control_group::ControlGroup`
[INFO] [stderr]   --> src/namespace/control_group.rs:21:2
[INFO] [stderr]    |
[INFO] [stderr] 21 |       pub fn new() -> ControlGroup {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 22 | |         ControlGroup {}
[INFO] [stderr] 23 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/ipc.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Ipc {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::ipc::Ipc`
[INFO] [stderr]   --> src/namespace/ipc.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |       pub fn new() -> Ipc {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 23 | |         Ipc {}
[INFO] [stderr] 24 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::mount::EmptyMount`
[INFO] [stderr]   --> src/namespace/mount.rs:50:2
[INFO] [stderr]    |
[INFO] [stderr] 50 |       pub fn new() -> EmptyMount {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 51 | |         EmptyMount()
[INFO] [stderr] 52 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 44 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `as_*` usually take self by reference or self by mutable reference; consider choosing a less ambiguous name
[INFO] [stderr]    --> src/namespace/mount.rs:243:17
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn as_bind(mut self) -> Mount {
[INFO] [stderr]     |                    ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/namespace/mount.rs:373:4
[INFO] [stderr]     |
[INFO] [stderr] 373 |               match mount(
[INFO] [stderr]     |  _____________^
[INFO] [stderr] 374 | |                 self.src(),
[INFO] [stderr] 375 | |                 self.target(),
[INFO] [stderr] 376 | |                 self.fstype(),
[INFO] [stderr] ...   |
[INFO] [stderr] 381 | |                 _ => ()
[INFO] [stderr] 382 | |             }
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 373 |             if let -1 = mount(
[INFO] [stderr] 374 |                 self.src(),
[INFO] [stderr] 375 |                 self.target(),
[INFO] [stderr] 376 |                 self.fstype(),
[INFO] [stderr] 377 |                 self.flags,
[INFO] [stderr] 378 |                 ptr::null()
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/namespace/mount.rs:426:3
[INFO] [stderr]     |
[INFO] [stderr] 426 |           match (&self.mounted, self.umount) {
[INFO] [stderr]     |  _________^
[INFO] [stderr] 427 | |             (Some(ref path), true) => unsafe {
[INFO] [stderr] 428 | |                 umount(path.as_ptr());
[INFO] [stderr] 429 | |             },
[INFO] [stderr] 430 | |             _ => {}
[INFO] [stderr] 431 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 426 |         if let (Some(ref path), true) = (&self.mounted, self.umount) unsafe {
[INFO] [stderr] 427 |     umount(path.as_ptr());
[INFO] [stderr] 428 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/network.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub struct Network {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::network::Network`
[INFO] [stderr]   --> src/namespace/network.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |       pub fn new() -> Network {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 27 | |         Network {}
[INFO] [stderr] 28 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/pid.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct Pid {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::pid::Pid`
[INFO] [stderr]   --> src/namespace/pid.rs:20:2
[INFO] [stderr]    |
[INFO] [stderr] 20 |       pub fn new() -> Pid {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 21 | |         Pid {}
[INFO] [stderr] 22 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/user.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | / pub struct User {
[INFO] [stderr] 32 | |     map_root_user: bool,
[INFO] [stderr] 33 | |     map_root_group: bool,
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: type does not implement `fmt::Debug`; consider adding #[derive(Debug)] or a manual implementation
[INFO] [stderr]   --> src/namespace/uts.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct Uts {}
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `namespace::uts::Uts`
[INFO] [stderr]   --> src/namespace/uts.rs:19:2
[INFO] [stderr]    |
[INFO] [stderr] 19 |       pub fn new() -> Uts {
[INFO] [stderr]    |  _____^
[INFO] [stderr] 20 | |         Uts {}
[INFO] [stderr] 21 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a trait method
[INFO] [stderr]   --> src/namespace/mod.rs:83:2
[INFO] [stderr]    |
[INFO] [stderr] 83 |     fn box_clone(&self) -> Box<Namespace>;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:3:9
[INFO] [stderr]    |
[INFO] [stderr] 3  | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             program: program,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `program`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             config: config,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `config`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:151:13
[INFO] [stderr]     |
[INFO] [stderr] 151 |             program: program,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: replace it with: `program`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/main.rs:153:13
[INFO] [stderr]     |
[INFO] [stderr] 153 |             config: config,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^ help: replace it with: `config`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:49:15
[INFO] [stderr]    |
[INFO] [stderr] 49 | const USAGE: &'static str = "
[INFO] [stderr]    |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/main.rs:135:24
[INFO] [stderr]     |
[INFO] [stderr] 135 | const DEFAULT_CONFIG: &'static str = include_str!("isolate.toml");
[INFO] [stderr]     |                       -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]   --> src/main.rs:49:15
[INFO] [stderr]    |
[INFO] [stderr] 49 | const USAGE: &'static str = "
[INFO] [stderr]    |              -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]    --> src/main.rs:135:24
[INFO] [stderr]     |
[INFO] [stderr] 135 | const DEFAULT_CONFIG: &'static str = include_str!("isolate.toml");
[INFO] [stderr]     |                       -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]    --> src/main.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     config: Configuration,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `config`
[INFO] [stderr]    --> src/main.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     config: Configuration,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.39s
[INFO] running `"docker" "inspect" "7895003e567d3887c1c846dd08164e7f262e212d97585e10eb6427879c953a1f"`
[INFO] running `"docker" "rm" "-f" "7895003e567d3887c1c846dd08164e7f262e212d97585e10eb6427879c953a1f"`
[INFO] [stdout] 7895003e567d3887c1c846dd08164e7f262e212d97585e10eb6427879c953a1f