[INFO] cloning repository https://github.com/simonask/exceptions-versus-results
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/simonask/exceptions-versus-results" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonask%2Fexceptions-versus-results", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonask%2Fexceptions-versus-results'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23c889becf3f29bc06e820c1e100b8f59f6b6c42
[INFO] testing simonask/exceptions-versus-results against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsimonask%2Fexceptions-versus-results" "/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/simonask/exceptions-versus-results
[INFO] finished tweaking git repo https://github.com/simonask/exceptions-versus-results
[INFO] tweaked toml for git repo https://github.com/simonask/exceptions-versus-results written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/simonask/exceptions-versus-results on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/simonask/exceptions-versus-results 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddfff2be6656dadd1a3c9252146ce76d529041a50a4882656037d28d459c0d44
[INFO] running `Command { std: "docker" "start" "-a" "ddfff2be6656dadd1a3c9252146ce76d529041a50a4882656037d28d459c0d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddfff2be6656dadd1a3c9252146ce76d529041a50a4882656037d28d459c0d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddfff2be6656dadd1a3c9252146ce76d529041a50a4882656037d28d459c0d44", kill_on_drop: false }`
[INFO] [stdout] ddfff2be6656dadd1a3c9252146ce76d529041a50a4882656037d28d459c0d44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 425f4a8585a2dcf693d8712178f41a65361ea577d83fe3d4b5adf6dca96798f2
[INFO] running `Command { std: "docker" "start" "-a" "425f4a8585a2dcf693d8712178f41a65361ea577d83fe3d4b5adf6dca96798f2", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling libc v0.1.7
[INFO] [stderr]    Compiling exceptions-versus-results-rustc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 try!(self.expect_char(')'));
[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/parser.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let val = try!(self.expression());
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/parser.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |             '0'...'9' => self.number(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:68:18
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Ok(match try!(self.get_char()) {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let c = try!(self.get_char());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         match try!(self.get_char()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |         for _ in (0..iterations) {
[INFO] [stdout]    |                  ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         for _ in (0..iterations) {
[INFO] [stdout] 35 +         for _ in 0..iterations  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/main.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut u: rusage = std::mem::uninitialized();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `parser::Error` is more private than the item `ParserResult`
[INFO] [stdout]   --> src/parser.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type ParserResult<T> = Result<T, Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ type alias `ParserResult` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `parser::Error` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/parser.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Error {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `rusage` does not permit being left uninitialized
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut u: rusage = std::mem::uninitialized();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this code causes undefined behavior when executed
[INFO] [stdout]    |                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "425f4a8585a2dcf693d8712178f41a65361ea577d83fe3d4b5adf6dca96798f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "425f4a8585a2dcf693d8712178f41a65361ea577d83fe3d4b5adf6dca96798f2", kill_on_drop: false }`
[INFO] [stdout] 425f4a8585a2dcf693d8712178f41a65361ea577d83fe3d4b5adf6dca96798f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7f7d37de1fa15b441e55f473701c6dabeb2c75ac746892818491ee03824c842
[INFO] running `Command { std: "docker" "start" "-a" "b7f7d37de1fa15b441e55f473701c6dabeb2c75ac746892818491ee03824c842", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling exceptions-versus-results-rustc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 try!(self.expect_char(')'));
[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/parser.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let val = try!(self.expression());
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/parser.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |             '0'...'9' => self.number(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:68:18
[INFO] [stdout]    |
[INFO] [stdout] 68 |         Ok(match try!(self.get_char()) {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |             let c = try!(self.get_char());
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/parser.rs:88:15
[INFO] [stdout]    |
[INFO] [stdout] 88 |         match try!(self.get_char()) {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/main.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |         for _ in (0..iterations) {
[INFO] [stdout]    |                  ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 35 -         for _ in (0..iterations) {
[INFO] [stdout] 35 +         for _ in 0..iterations  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/main.rs:17:39
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut u: rusage = std::mem::uninitialized();
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `parser::Error` is more private than the item `ParserResult`
[INFO] [stdout]   --> src/parser.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub type ParserResult<T> = Result<T, Error>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ type alias `ParserResult` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `parser::Error` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/parser.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Error {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `rusage` does not permit being left uninitialized
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut u: rusage = std::mem::uninitialized();
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             this code causes undefined behavior when executed
[INFO] [stdout]    |                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b7f7d37de1fa15b441e55f473701c6dabeb2c75ac746892818491ee03824c842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f7d37de1fa15b441e55f473701c6dabeb2c75ac746892818491ee03824c842", kill_on_drop: false }`
[INFO] [stdout] b7f7d37de1fa15b441e55f473701c6dabeb2c75ac746892818491ee03824c842
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb94dea037f4c6dd48c75dc4caa775b4ed519d84bb7d592e7f50039417f6abf3
[INFO] running `Command { std: "docker" "start" "-a" "bb94dea037f4c6dd48c75dc4caa775b4ed519d84bb7d592e7f50039417f6abf3", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:59:17
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 try!(self.expect_char(')'));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:57:27
[INFO] [stderr]    |
[INFO] [stderr] 57 |                 let val = try!(self.expression());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/parser.rs:62:16
[INFO] [stderr]    |
[INFO] [stderr] 62 |             '0'...'9' => self.number(),
[INFO] [stderr]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:68:18
[INFO] [stderr]    |
[INFO] [stderr] 68 |         Ok(match try!(self.get_char()) {
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:80:21
[INFO] [stderr]    |
[INFO] [stderr] 80 |             let c = try!(self.get_char());
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/parser.rs:88:15
[INFO] [stderr]    |
[INFO] [stderr] 88 |         match try!(self.get_char()) {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/main.rs:35:18
[INFO] [stderr]    |
[INFO] [stderr] 35 |         for _ in (0..iterations) {
[INFO] [stderr]    |                  ^             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 35 -         for _ in (0..iterations) {
[INFO] [stderr] 35 +         for _ in 0..iterations  {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/main.rs:17:39
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut u: rusage = std::mem::uninitialized();
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `parser::Error` is more private than the item `ParserResult`
[INFO] [stderr]   --> src/parser.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub type ParserResult<T> = Result<T, Error>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^ type alias `ParserResult` is reachable at visibility `pub(crate)`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `parser::Error` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/parser.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum Error {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `rusage` does not permit being left uninitialized
[INFO] [stderr]   --> src/main.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let mut u: rusage = std::mem::uninitialized();
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             this code causes undefined behavior when executed
[INFO] [stderr]    |                             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `exceptions-versus-results-rustc` (bin "exceptions-versus-results-rustc" test) generated 10 warnings (run `cargo fix --bin "exceptions-versus-results-rustc" -p exceptions-versus-results-rustc --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/exceptions_versus_results_rustc-ffa4d2cddc12892a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb94dea037f4c6dd48c75dc4caa775b4ed519d84bb7d592e7f50039417f6abf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb94dea037f4c6dd48c75dc4caa775b4ed519d84bb7d592e7f50039417f6abf3", kill_on_drop: false }`
[INFO] [stdout] bb94dea037f4c6dd48c75dc4caa775b4ed519d84bb7d592e7f50039417f6abf3
