[INFO] cloning repository https://github.com/atopia/sandcrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atopia/sandcrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatopia%2Fsandcrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatopia%2Fsandcrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d75f9e966d4216d8a858f10639483f05ce4706b
[INFO] fixing atopia/sandcrust against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatopia%2Fsandcrust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/atopia/sandcrust
[INFO] finished tweaking git repo https://github.com/atopia/sandcrust
[INFO] tweaked toml for git repo https://github.com/atopia/sandcrust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/atopia/sandcrust on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/atopia/sandcrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `sandcrust` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7c717aad17c6cc903a6218ca29cf21eb0f914b46e0cdd4df52c171e26ab3ff0e
[INFO] running `Command { std: "docker" "start" "7c717aad17c6cc903a6218ca29cf21eb0f914b46e0cdd4df52c171e26ab3ff0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7c717aad17c6cc903a6218ca29cf21eb0f914b46e0cdd4df52c171e26ab3ff0e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c717aad17c6cc903a6218ca29cf21eb0f914b46e0cdd4df52c171e26ab3ff0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7c717aad17c6cc903a6218ca29cf21eb0f914b46e0cdd4df52c171e26ab3ff0e" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `sandcrust` (manifest) generated 1 warning
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling libc v0.2.173
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking serde v0.9.13
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking lazy_static v0.2.6
[INFO] [stderr]     Checking sandheap v0.1.0 (https://github.com/atopia/sandheap#efdde8dd)
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.10
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.13
[INFO] [stderr]     Checking bincode v1.0.0-alpha7 (https://github.com/bincode-org/bincode.git?tag=v1.0.0-alpha7#f3b0e2c3)
[INFO] [stderr]     Checking sandcrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/deterministic_init.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/val_restore.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/arg_parse_global.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/retval_restore.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating examples/workbench.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/mut_global_vars.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/val_restore_ffi.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/arg_parse.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/complex_restore.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/deterministic_sandbox_handling.rs from 2015 edition to 2018
[INFO] [stderr]    Migrating tests/retval_restore_global.rs from 2015 edition to 2018
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.49s
[INFO] [stderr] crater-edition-check: sandcrust v0.1.0 (/opt/rustwide/workdir) updating edition from 2015 to 2018
[INFO] [stderr]     Checking sandcrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:111
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![warn(missing_docs, missing_debug_implementations, trivial_casts, trivial_numeric_casts, unstable_features, unused_extern_crates, u...
[INFO] [stdout]   |                                                                                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 7 - extern crate nix;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate bincode;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 9 - extern crate bincode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate serde;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]    |
[INFO] [stdout] 10 - extern crate serde;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern crate` is not idiomatic in the new edition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate sandheap;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert it to a `use`
[INFO] [stdout]    |
[INFO] [stdout] 12 - extern crate sandheap;
[INFO] [stdout] 12 + use sandheap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::FromRawFd`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::os::unix::io::FromRawFd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:111
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![warn(missing_docs, missing_debug_implementations, trivial_casts, trivial_numeric_casts, unstable_features, unused_extern_crates, u...
[INFO] [stdout]   |                                                                                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 7 - extern crate nix;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate bincode;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 9 - extern crate bincode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate serde;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]    |
[INFO] [stdout] 10 - extern crate serde;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern crate` is not idiomatic in the new edition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate sandheap;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert it to a `use`
[INFO] [stdout]    |
[INFO] [stdout] 12 - extern crate sandheap;
[INFO] [stdout] 12 + use sandheap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::FromRawFd`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::os::unix::io::FromRawFd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(fd_in) }),
[INFO] [stdout]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(fd_out) }),
[INFO] [stdout]     |                                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:169:39
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(parent_cmd_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:170:41
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     file_out: std::io::BufReader::new( unsafe { ::std::fs::File::from(parent_result_receive) }),
[INFO] [stdout]     |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(child_result_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:220:40
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(child_cmd_receive) }),
[INFO] [stdout]     |                                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(fd_in) }),
[INFO] [stdout]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(fd_out) }),
[INFO] [stdout]     |                                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:169:39
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(parent_cmd_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:170:41
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     file_out: std::io::BufReader::new( unsafe { ::std::fs::File::from(parent_result_receive) }),
[INFO] [stdout]     |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(child_result_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:220:40
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(child_cmd_receive) }),
[INFO] [stdout]     |                                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/workbench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `Add` should have a snake case name
[INFO] [stdout]   --> examples/workbench.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn Add() {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Add` should have a snake case name
[INFO] [stdout]   --> examples/workbench.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn Add() {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/mut_global_vars.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/arg_parse_global.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/retval_restore_global.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/retval_restore_global.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 |             ;
[INFO] [stdout]    |             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/mut_global_vars.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     assert_eq!(rl_readline_version, 23);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/mut_global_vars.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     assert_eq!(rl_readline_version, 42);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> tests/complex_restore.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              `Entity` is not local
[INFO] [stdout]   |              `Serialize` is not local
[INFO] [stdout]   |              move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Entity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> tests/complex_restore.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         `Entity` is not local
[INFO] [stdout]   |                         `Deserialize` is not local
[INFO] [stdout]   |                         move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Entity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> tests/complex_restore.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              `World` is not local
[INFO] [stdout]    |              `Serialize` is not local
[INFO] [stdout]    |              move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_World`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> tests/complex_restore.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         `World` is not local
[INFO] [stdout]    |                         `Deserialize` is not local
[INFO] [stdout]    |                         move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_World`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.01s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking sandcrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/arg_parse.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/complex_restore.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/retval_restore_global.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/retval_restore.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/workbench.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/mut_global_vars.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/deterministic_init.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/arg_parse_global.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/val_restore_ffi.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/deterministic_sandbox_handling.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/val_restore.rs from 2018 edition to 2021
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.71s
[INFO] [stderr] crater-edition-check: sandcrust v0.1.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking sandcrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:111
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![warn(missing_docs, missing_debug_implementations, trivial_casts, trivial_numeric_casts, unstable_features, unused_extern_crates, u...
[INFO] [stdout]   |                                                                                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 7 - extern crate nix;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate bincode;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 9 - extern crate bincode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate serde;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]    |
[INFO] [stdout] 10 - extern crate serde;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern crate` is not idiomatic in the new edition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate sandheap;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert it to a `use`
[INFO] [stdout]    |
[INFO] [stdout] 12 - extern crate sandheap;
[INFO] [stdout] 12 + use sandheap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::FromRawFd`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::os::unix::io::FromRawFd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(fd_in) }),
[INFO] [stdout]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(fd_out) }),
[INFO] [stdout]     |                                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:169:39
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(parent_cmd_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:170:41
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     file_out: std::io::BufReader::new( unsafe { ::std::fs::File::from(parent_result_receive) }),
[INFO] [stdout]     |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(child_result_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:220:40
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(child_cmd_receive) }),
[INFO] [stdout]     |                                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:111
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![warn(missing_docs, missing_debug_implementations, trivial_casts, trivial_numeric_casts, unstable_features, unused_extern_crates, u...
[INFO] [stdout]   |                                                                                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 7 - extern crate nix;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate bincode;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 9 - extern crate bincode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate serde;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]    |
[INFO] [stdout] 10 - extern crate serde;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern crate` is not idiomatic in the new edition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate sandheap;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert it to a `use`
[INFO] [stdout]    |
[INFO] [stdout] 12 - extern crate sandheap;
[INFO] [stdout] 12 + use sandheap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::FromRawFd`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::os::unix::io::FromRawFd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(fd_in) }),
[INFO] [stdout]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(fd_out) }),
[INFO] [stdout]     |                                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:169:39
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(parent_cmd_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:170:41
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     file_out: std::io::BufReader::new( unsafe { ::std::fs::File::from(parent_result_receive) }),
[INFO] [stdout]     |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(child_result_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:220:40
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(child_cmd_receive) }),
[INFO] [stdout]     |                                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/mut_global_vars.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/mut_global_vars.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     assert_eq!(rl_readline_version, 23);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/mut_global_vars.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     assert_eq!(rl_readline_version, 42);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/arg_parse_global.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> tests/complex_restore.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              `Entity` is not local
[INFO] [stdout]   |              `Serialize` is not local
[INFO] [stdout]   |              move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Entity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/workbench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> tests/complex_restore.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         `Entity` is not local
[INFO] [stdout]   |                         `Deserialize` is not local
[INFO] [stdout]   |                         move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Entity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> tests/complex_restore.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              `World` is not local
[INFO] [stdout]    |              `Serialize` is not local
[INFO] [stdout]    |              move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_World`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> tests/complex_restore.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         `World` is not local
[INFO] [stdout]    |                         `Deserialize` is not local
[INFO] [stdout]    |                         move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_World`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/retval_restore_global.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/retval_restore_global.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 |             ;
[INFO] [stdout]    |             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.35s
[INFO] [stdout] warning: trait method `Add` should have a snake case name
[INFO] [stdout]   --> examples/workbench.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn Add() {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stdout] warning: function `Add` should have a snake case name
[INFO] [stdout]   --> examples/workbench.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn Add() {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking sandcrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/retval_restore.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/complex_restore.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/mut_global_vars.rs from 2021 edition to 2024
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/mut_global_vars.rs:19:17
[INFO] [stdout]    |
[INFO] [stdout] 19 |                     assert_eq!(rl_readline_version, 23);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> tests/mut_global_vars.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                     assert_eq!(rl_readline_version, 42);
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating tests/retval_restore_global.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/val_restore.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/arg_parse_global.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/deterministic_sandbox_handling.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/deterministic_init.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/arg_parse.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating tests/val_restore_ffi.rs from 2021 edition to 2024
[INFO] [stderr]    Migrating examples/workbench.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed tests/val_restore_ffi.rs (1 fix)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.09s
[INFO] [stderr] crater-edition-check: sandcrust v0.1.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking sandcrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:111
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![warn(missing_docs, missing_debug_implementations, trivial_casts, trivial_numeric_casts, unstable_features, unused_extern_crates, u...
[INFO] [stdout]   |                                                                                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 7 - extern crate nix;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate bincode;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 9 - extern crate bincode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate serde;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]    |
[INFO] [stdout] 10 - extern crate serde;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern crate` is not idiomatic in the new edition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate sandheap;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert it to a `use`
[INFO] [stdout]    |
[INFO] [stdout] 12 - extern crate sandheap;
[INFO] [stdout] 12 + use sandheap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::FromRawFd`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::os::unix::io::FromRawFd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(fd_in) }),
[INFO] [stdout]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(fd_out) }),
[INFO] [stdout]     |                                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:169:39
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(parent_cmd_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:170:41
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     file_out: std::io::BufReader::new( unsafe { ::std::fs::File::from(parent_result_receive) }),
[INFO] [stdout]     |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(child_result_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:220:40
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(child_cmd_receive) }),
[INFO] [stdout]     |                                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate nix;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:5:111
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![warn(missing_docs, missing_debug_implementations, trivial_casts, trivial_numeric_casts, unstable_features, unused_extern_crates, u...
[INFO] [stdout]   |                                                                                                               ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 7 - extern crate nix;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | extern crate bincode;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 9 - extern crate bincode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused extern crate
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate serde;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]    |
[INFO] [stdout] 10 - extern crate serde;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern crate` is not idiomatic in the new edition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | extern crate sandheap;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert it to a `use`
[INFO] [stdout]    |
[INFO] [stdout] 12 - extern crate sandheap;
[INFO] [stdout] 12 + use sandheap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::io::FromRawFd`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use std::os::unix::io::FromRawFd;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `Once::new()` function is now preferred
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | / lazy_static! {
[INFO] [stdout] 84 | |     #[doc(hidden)]
[INFO] [stdout] 85 | |     #[derive(Debug)]
[INFO] [stdout] 86 | |     pub static ref SANDCRUST: ::std::sync::Arc<::std::sync::Mutex<Sandcrust>> = {
[INFO] [stdout] 87 | |         std::sync::Arc::new(std::sync::Mutex::new(Sandcrust::fork_new()))
[INFO] [stdout] 88 | |     };
[INFO] [stdout] 89 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` which comes from the expansion of the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:129:37
[INFO] [stdout]     |
[INFO] [stdout] 129 |             file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(fd_in) }),
[INFO] [stdout]     |                                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:130:38
[INFO] [stdout]     |
[INFO] [stdout] 130 |             file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(fd_out) }),
[INFO] [stdout]     |                                               ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:169:39
[INFO] [stdout]     |
[INFO] [stdout] 169 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(parent_cmd_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:170:41
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     file_out: std::io::BufReader::new( unsafe { ::std::fs::File::from(parent_result_receive) }),
[INFO] [stdout]     |                                                        ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:219:39
[INFO] [stdout]     |
[INFO] [stdout] 219 |                     file_in: std::io::BufWriter::new(unsafe { ::std::fs::File::from(child_result_send) }),
[INFO] [stdout]     |                                                      ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:220:40
[INFO] [stdout]     |
[INFO] [stdout] 220 |                     file_out: std::io::BufReader::new(unsafe { ::std::fs::File::from(child_cmd_receive) }),
[INFO] [stdout]     |                                                       ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern blocks must be unsafe
[INFO] [stdout]   --> tests/mut_global_vars.rs:8:2
[INFO] [stdout]    |
[INFO] [stdout]  8 | /     sandcrust_wrap_global!{
[INFO] [stdout]  9 | |         #[link(name = "readline")]
[INFO] [stdout] 10 | |         extern {
[INFO] [stdout] 11 | |             static mut rl_readline_version: ::libc::c_int;
[INFO] [stdout] 12 | |         }
[INFO] [stdout] 13 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `sandcrust_wrap_global` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/arg_parse_global.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/mut_global_vars.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> tests/retval_restore_global.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/workbench.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> tests/retval_restore_global.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 |             ;
[INFO] [stdout]    |             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `Add` should have a snake case name
[INFO] [stdout]   --> examples/workbench.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn Add() {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Add` should have a snake case name
[INFO] [stdout]   --> examples/workbench.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn Add() {
[INFO] [stdout]    |        ^^^ help: convert the identifier to snake case: `add`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> tests/complex_restore.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |              ^^^^^^^^^
[INFO] [stdout]   |              |
[INFO] [stdout]   |              `Entity` is not local
[INFO] [stdout]   |              `Serialize` is not local
[INFO] [stdout]   |              move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Entity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> tests/complex_restore.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]   |                         ^^^^^^^^^^^
[INFO] [stdout]   |                         |
[INFO] [stdout]   |                         `Entity` is not local
[INFO] [stdout]   |                         `Deserialize` is not local
[INFO] [stdout]   |                         move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Entity`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> tests/complex_restore.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              `World` is not local
[INFO] [stdout]    |              `Serialize` is not local
[INFO] [stdout]    |              move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_World`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]   --> tests/complex_restore.rs:12:22
[INFO] [stdout]    |
[INFO] [stdout] 12 |     #[derive(Serialize, Deserialize, PartialEq)]
[INFO] [stdout]    |                         ^^^^^^^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         `World` is not local
[INFO] [stdout]    |                         `Deserialize` is not local
[INFO] [stdout]    |                         move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_World`
[INFO] [stdout]    |
[INFO] [stdout]    = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]    = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]    = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]    = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]    = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sandcrust` (test "mut_global_vars") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "7c717aad17c6cc903a6218ca29cf21eb0f914b46e0cdd4df52c171e26ab3ff0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c717aad17c6cc903a6218ca29cf21eb0f914b46e0cdd4df52c171e26ab3ff0e", kill_on_drop: false }`
[INFO] [stdout] 7c717aad17c6cc903a6218ca29cf21eb0f914b46e0cdd4df52c171e26ab3ff0e
