[INFO] cloning repository https://github.com/SSheldon/rust-test-ios
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SSheldon/rust-test-ios" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSheldon%2Frust-test-ios", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSheldon%2Frust-test-ios'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83d491437b1c125c817b6bbe24aa5826060dd311
[INFO] checking SSheldon/rust-test-ios against try#1f308f12738d8cc40bb23bf0c8114b37c164bb49 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSSheldon%2Frust-test-ios" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SSheldon/rust-test-ios on toolchain 1f308f12738d8cc40bb23bf0c8114b37c164bb49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SSheldon/rust-test-ios
[INFO] finished tweaking git repo https://github.com/SSheldon/rust-test-ios
[INFO] tweaked toml for git repo https://github.com/SSheldon/rust-test-ios written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/SSheldon/rust-test-ios 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" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v0.1.5
[INFO] [stderr]   Downloaded thread_local v0.2.5
[INFO] [stderr]   Downloaded libc v0.2.10
[INFO] [stderr]   Downloaded regex v0.1.69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a40a0599e6a87bdf07a048479f7ace255ceae5bc07a61d89500bf75dbbcd3c23
[INFO] running `Command { std: "docker" "start" "-a" "a40a0599e6a87bdf07a048479f7ace255ceae5bc07a61d89500bf75dbbcd3c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a40a0599e6a87bdf07a048479f7ace255ceae5bc07a61d89500bf75dbbcd3c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40a0599e6a87bdf07a048479f7ace255ceae5bc07a61d89500bf75dbbcd3c23", kill_on_drop: false }`
[INFO] [stdout] a40a0599e6a87bdf07a048479f7ace255ceae5bc07a61d89500bf75dbbcd3c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1f308f12738d8cc40bb23bf0c8114b37c164bb49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e043257666531ed7c71693c475a3352e2644012c9a05aa488f63d5a86cda1d8a
[INFO] running `Command { std: "docker" "start" "-a" "e043257666531ed7c71693c475a3352e2644012c9a05aa488f63d5a86cda1d8a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.6
[INFO] [stderr]     Checking libc v0.2.10
[INFO] [stderr]     Checking num-traits v0.1.32
[INFO] [stderr]     Checking serde v0.7.0
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.1
[INFO] [stderr]     Checking lazy_static v0.2.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking aho-corasick v0.5.1
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking walkdir v0.1.5
[INFO] [stderr]     Checking thread_local v0.2.5
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking num v0.1.32
[INFO] [stderr]     Checking regex v0.1.69
[INFO] [stderr]     Checking serde_json v0.7.0
[INFO] [stderr]     Checking toml v0.1.28
[INFO] [stderr]     Checking rust-test-ios v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let source = try!(DependencySource::from_metadata(package));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:169:15
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let out = try!(out);
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let value: Value = try!(serde_json::from_slice(&out.stdout));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:212:15
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let out = try!(out);
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:217:24
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let value: Value = try!(serde_json::from_slice(&out.stdout));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:236:28
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let dev_deps: Vec<_> = try!(deps.into_iter()
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:239:20
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let dev_deps = try!(read_deps_metadata(crate_dir, dev_deps));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 248 |     try!(config_file.write(config.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:245:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let config = try!(read_config(crate_dir));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:247:27
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut config_file = try!(File::create(dir.join("Cargo.toml")));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |         if !try!(result).success() {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let metas: Vec<_> = try!(src_files.iter().map(|e| e.metadata()).collect());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     try!(f.read_to_string(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     try!(output_file.write(output.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut src_files: Vec<_> = try!(WalkDir::new(src_dir).into_iter().collect());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     if !try!(should_build(&output_path, &src_files)) {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let tests_prelude = try!(read_file(&dir.join("prelude.rs")));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let contents = try!(read_file(entry.path()));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut output_file = try!(File::create(output_path));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     try!(fs::create_dir_all(&proj_dir));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     try!(proj_file.write(PROJECT.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     try!(fs::create_dir_all(&workspace_dir));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     try!(workspace_file.write(PROJECT_WORKSPACE.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     try!(fs::create_dir_all(&scheme_dir));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     try!(scheme_file.write(PROJECT_SCHEME.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     try!(test_file.write(TEST_CASE.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut proj_file = try!(File::create(proj_dir.join("project.pbxproj")));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut workspace_file = try!(File::create(workspace_dir.join("contents.xcworkspacedata")));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut scheme_file = try!(File::create(scheme_dir.join("RustTests.xcscheme")));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut test_file = try!(File::create(dir.join("RustTests.m")));
[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/cargo.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         lazy_static! {
[INFO] [stdout] 37 | |             static ref LOCAL_ID_REGEX: Regex =
[INFO] [stdout] 38 | |                 Regex::new("\\(path\\+file://(.*)\\)$").unwrap();
[INFO] [stdout] 39 | |             static ref REMOTE_ID_REGEX: Regex =
[INFO] [stdout] 40 | |                 Regex::new("\\(registry\\+https://github.com/rust-lang/crates.io-index\\)$").unwrap();
[INFO] [stdout] 41 | |         }
[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/cargo.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         lazy_static! {
[INFO] [stdout] 37 | |             static ref LOCAL_ID_REGEX: Regex =
[INFO] [stdout] 38 | |                 Regex::new("\\(path\\+file://(.*)\\)$").unwrap();
[INFO] [stdout] 39 | |             static ref REMOTE_ID_REGEX: Regex =
[INFO] [stdout] 40 | |                 Regex::new("\\(registry\\+https://github.com/rust-lang/crates.io-index\\)$").unwrap();
[INFO] [stdout] 41 | |         }
[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/cargo.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         lazy_static! {
[INFO] [stdout] 37 | |             static ref LOCAL_ID_REGEX: Regex =
[INFO] [stdout] 38 | |                 Regex::new("\\(path\\+file://(.*)\\)$").unwrap();
[INFO] [stdout] 39 | |             static ref REMOTE_ID_REGEX: Regex =
[INFO] [stdout] 40 | |                 Regex::new("\\(registry\\+https://github.com/rust-lang/crates.io-index\\)$").unwrap();
[INFO] [stdout] 41 | |         }
[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/cargo.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         lazy_static! {
[INFO] [stdout] 37 | |             static ref LOCAL_ID_REGEX: Regex =
[INFO] [stdout] 38 | |                 Regex::new("\\(path\\+file://(.*)\\)$").unwrap();
[INFO] [stdout] 39 | |             static ref REMOTE_ID_REGEX: Regex =
[INFO] [stdout] 40 | |                 Regex::new("\\(registry\\+https://github.com/rust-lang/crates.io-index\\)$").unwrap();
[INFO] [stdout] 41 | |         }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type BuildResult<T = ()> = Result<T, Box<Error>>;
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type BuildResult<T = ()> = Result<T, Box<dyn Error>>;
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:150:18
[INFO] [stdout]     |
[INFO] [stdout] 150 |     let source = try!(DependencySource::from_metadata(package));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:169:15
[INFO] [stdout]     |
[INFO] [stdout] 169 |     let out = try!(out);
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:174:24
[INFO] [stdout]     |
[INFO] [stdout] 174 |     let value: Value = try!(serde_json::from_slice(&out.stdout));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:212:15
[INFO] [stdout]     |
[INFO] [stdout] 212 |     let out = try!(out);
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:217:24
[INFO] [stdout]     |
[INFO] [stdout] 217 |     let value: Value = try!(serde_json::from_slice(&out.stdout));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:236:28
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let dev_deps: Vec<_> = try!(deps.into_iter()
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:239:20
[INFO] [stdout]     |
[INFO] [stdout] 239 |     let dev_deps = try!(read_deps_metadata(crate_dir, dev_deps));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 248 |     try!(config_file.write(config.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:245:18
[INFO] [stdout]     |
[INFO] [stdout] 245 |     let config = try!(read_config(crate_dir));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:247:27
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let mut config_file = try!(File::create(dir.join("Cargo.toml")));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/cargo.rs:263:13
[INFO] [stdout]     |
[INFO] [stdout] 263 |         if !try!(result).success() {
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let metas: Vec<_> = try!(src_files.iter().map(|e| e.metadata()).collect());
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     try!(f.read_to_string(&mut buf));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:107:5
[INFO] [stdout]     |
[INFO] [stdout] 107 |     try!(output_file.write(output.as_bytes()));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let mut src_files: Vec<_> = try!(WalkDir::new(src_dir).into_iter().collect());
[INFO] [stdout]    |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     if !try!(should_build(&output_path, &src_files)) {
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tests.rs:98:25
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let tests_prelude = try!(read_file(&dir.join("prelude.rs")));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:101:24
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let contents = try!(read_file(entry.path()));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tests.rs:106:27
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut output_file = try!(File::create(output_path));
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     try!(fs::create_dir_all(&proj_dir));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     try!(proj_file.write(PROJECT.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     try!(fs::create_dir_all(&workspace_dir));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     try!(workspace_file.write(PROJECT_WORKSPACE.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     try!(fs::create_dir_all(&scheme_dir));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 |     try!(scheme_file.write(PROJECT_SCHEME.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     try!(test_file.write(TEST_CASE.as_bytes()));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let mut proj_file = try!(File::create(proj_dir.join("project.pbxproj")));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:27:30
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut workspace_file = try!(File::create(workspace_dir.join("contents.xcworkspacedata")));
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:33:27
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let mut scheme_file = try!(File::create(scheme_dir.join("RustTests.xcscheme")));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/xcode.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let mut test_file = try!(File::create(dir.join("RustTests.m")));
[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/cargo.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         lazy_static! {
[INFO] [stdout] 37 | |             static ref LOCAL_ID_REGEX: Regex =
[INFO] [stdout] 38 | |                 Regex::new("\\(path\\+file://(.*)\\)$").unwrap();
[INFO] [stdout] 39 | |             static ref REMOTE_ID_REGEX: Regex =
[INFO] [stdout] 40 | |                 Regex::new("\\(registry\\+https://github.com/rust-lang/crates.io-index\\)$").unwrap();
[INFO] [stdout] 41 | |         }
[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/cargo.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         lazy_static! {
[INFO] [stdout] 37 | |             static ref LOCAL_ID_REGEX: Regex =
[INFO] [stdout] 38 | |                 Regex::new("\\(path\\+file://(.*)\\)$").unwrap();
[INFO] [stdout] 39 | |             static ref REMOTE_ID_REGEX: Regex =
[INFO] [stdout] 40 | |                 Regex::new("\\(registry\\+https://github.com/rust-lang/crates.io-index\\)$").unwrap();
[INFO] [stdout] 41 | |         }
[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/cargo.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         lazy_static! {
[INFO] [stdout] 37 | |             static ref LOCAL_ID_REGEX: Regex =
[INFO] [stdout] 38 | |                 Regex::new("\\(path\\+file://(.*)\\)$").unwrap();
[INFO] [stdout] 39 | |             static ref REMOTE_ID_REGEX: Regex =
[INFO] [stdout] 40 | |                 Regex::new("\\(registry\\+https://github.com/rust-lang/crates.io-index\\)$").unwrap();
[INFO] [stdout] 41 | |         }
[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/cargo.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         lazy_static! {
[INFO] [stdout] 37 | |             static ref LOCAL_ID_REGEX: Regex =
[INFO] [stdout] 38 | |                 Regex::new("\\(path\\+file://(.*)\\)$").unwrap();
[INFO] [stdout] 39 | |             static ref REMOTE_ID_REGEX: Regex =
[INFO] [stdout] 40 | |                 Regex::new("\\(registry\\+https://github.com/rust-lang/crates.io-index\\)$").unwrap();
[INFO] [stdout] 41 | |         }
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:22:46
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type BuildResult<T = ()> = Result<T, Box<Error>>;
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type BuildResult<T = ()> = Result<T, Box<dyn Error>>;
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `Command { std: "docker" "inspect" "e043257666531ed7c71693c475a3352e2644012c9a05aa488f63d5a86cda1d8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e043257666531ed7c71693c475a3352e2644012c9a05aa488f63d5a86cda1d8a", kill_on_drop: false }`
[INFO] [stdout] e043257666531ed7c71693c475a3352e2644012c9a05aa488f63d5a86cda1d8a