[INFO] cloning repository https://github.com/nanoxd/hello.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nanoxd/hello.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanoxd%2Fhello.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanoxd%2Fhello.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10933bdc16d5a900dcda3ec62264cea34973908a [INFO] testing nanoxd/hello.rs against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanoxd%2Fhello.rs" "/workspace/builds/worker-100/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-100/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nanoxd/hello.rs on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nanoxd/hello.rs [INFO] finished tweaking git repo https://github.com/nanoxd/hello.rs [INFO] tweaked toml for git repo https://github.com/nanoxd/hello.rs written to /workspace/builds/worker-100/source/Cargo.toml [INFO] crate git repo https://github.com/nanoxd/hello.rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7b3699e172555fb614f510dd5b92859bbb56ba374a0696df7c56e43f05af2b68 [INFO] running `Command { std: "docker" "start" "-a" "7b3699e172555fb614f510dd5b92859bbb56ba374a0696df7c56e43f05af2b68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7b3699e172555fb614f510dd5b92859bbb56ba374a0696df7c56e43f05af2b68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b3699e172555fb614f510dd5b92859bbb56ba374a0696df7c56e43f05af2b68", kill_on_drop: false }` [INFO] [stdout] 7b3699e172555fb614f510dd5b92859bbb56ba374a0696df7c56e43f05af2b68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a02c905c4d42e7fd10502ef530f74ce0b676f19c13ce5526844b32a74cab5f1 [INFO] running `Command { std: "docker" "start" "-a" "5a02c905c4d42e7fd10502ef530f74ce0b676f19c13ce5526844b32a74cab5f1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling hello_rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/trait_objects.rs:27:23 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn make_noise(x: &Bark) { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Bark` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:130:11 [INFO] [stdout] | [INFO] [stdout] 130 | 1 ... 5 => println!("X is in 1-5"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/main.rs:159:25 [INFO] [stdout] | [INFO] [stdout] 159 | fn is_larger(&self, &Self) -> bool; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:243:5 [INFO] [stdout] | [INFO] [stdout] 243 | try!( [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/main.rs:240:20 [INFO] [stdout] | [INFO] [stdout] 240 | let mut file = try!(File::open(file_path).map_err(CliError::Io)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:249:13 [INFO] [stdout] | [INFO] [stdout] 249 | let n = try!( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:284:37 [INFO] [stdout] | [INFO] [stdout] 284 | let noise = make_noise(&dog as &Bark); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Bark` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:44:42 [INFO] [stdout] | [INFO] [stdout] 44 | CliError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:45:45 [INFO] [stdout] | [INFO] [stdout] 45 | CliError::Parse(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let v2 = v; // Accessing v will now cause an error [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/main.rs:183:5 [INFO] [stdout] | [INFO] [stdout] 183 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/main.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 184 | y: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.24s [INFO] running `Command { std: "docker" "inspect" "5a02c905c4d42e7fd10502ef530f74ce0b676f19c13ce5526844b32a74cab5f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a02c905c4d42e7fd10502ef530f74ce0b676f19c13ce5526844b32a74cab5f1", kill_on_drop: false }` [INFO] [stdout] 5a02c905c4d42e7fd10502ef530f74ce0b676f19c13ce5526844b32a74cab5f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88c09b0ca9f253f1a8d3b0d6d42c26212feca84f79dfa949dc6066be14789f59 [INFO] running `Command { std: "docker" "start" "-a" "88c09b0ca9f253f1a8d3b0d6d42c26212feca84f79dfa949dc6066be14789f59", kill_on_drop: false }` [INFO] [stderr] Compiling hello_rs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/trait_objects.rs:27:23 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn make_noise(x: &Bark) { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Bark` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:49:32 [INFO] [stdout] | [INFO] [stdout] 49 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/main.rs:130:11 [INFO] [stdout] | [INFO] [stdout] 130 | 1 ... 5 => println!("X is in 1-5"), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/main.rs:159:25 [INFO] [stdout] | [INFO] [stdout] 159 | fn is_larger(&self, &Self) -> bool; [INFO] [stdout] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:243:5 [INFO] [stdout] | [INFO] [stdout] 243 | try!( [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/main.rs:240:20 [INFO] [stdout] | [INFO] [stdout] 240 | let mut file = try!(File::open(file_path).map_err(CliError::Io)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/main.rs:249:13 [INFO] [stdout] | [INFO] [stdout] 249 | let n = try!( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:284:37 [INFO] [stdout] | [INFO] [stdout] 284 | let noise = make_noise(&dog as &Bark); [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Bark` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:44:42 [INFO] [stdout] | [INFO] [stdout] 44 | CliError::Io(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/main.rs:45:45 [INFO] [stdout] | [INFO] [stdout] 45 | CliError::Parse(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/main.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | let v2 = v; // Accessing v will now cause an error [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/main.rs:183:5 [INFO] [stdout] | [INFO] [stdout] 183 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/main.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 184 | y: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "88c09b0ca9f253f1a8d3b0d6d42c26212feca84f79dfa949dc6066be14789f59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88c09b0ca9f253f1a8d3b0d6d42c26212feca84f79dfa949dc6066be14789f59", kill_on_drop: false }` [INFO] [stdout] 88c09b0ca9f253f1a8d3b0d6d42c26212feca84f79dfa949dc6066be14789f59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-100/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cccd8de425418d7de700a44afeb2d970db019ddf481b08fc8493dcbe1ead32f3 [INFO] running `Command { std: "docker" "start" "-a" "cccd8de425418d7de700a44afeb2d970db019ddf481b08fc8493dcbe1ead32f3", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/trait_objects.rs:27:23 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn make_noise(x: &Bark) { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Bark` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [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 [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:49:32 [INFO] [stderr] | [INFO] [stderr] 49 | fn cause(&self) -> Option<&error::Error> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error` [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 [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/main.rs:130:11 [INFO] [stderr] | [INFO] [stderr] 130 | 1 ... 5 => println!("X is in 1-5"), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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 [INFO] [stderr] [INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stderr] --> src/main.rs:159:25 [INFO] [stderr] | [INFO] [stderr] 159 | fn is_larger(&self, &Self) -> bool; [INFO] [stderr] | ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #41686 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:243:5 [INFO] [stderr] | [INFO] [stderr] 243 | try!( [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/main.rs:240:20 [INFO] [stderr] | [INFO] [stderr] 240 | let mut file = try!(File::open(file_path).map_err(CliError::Io)); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/main.rs:249:13 [INFO] [stderr] | [INFO] [stderr] 249 | let n = try!( [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:284:37 [INFO] [stderr] | [INFO] [stderr] 284 | let noise = make_noise(&dog as &Bark); [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Bark` [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 [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:44:42 [INFO] [stderr] | [INFO] [stderr] 44 | CliError::Io(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/main.rs:45:45 [INFO] [stderr] | [INFO] [stderr] 45 | CliError::Parse(ref err) => err.description(), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v2` [INFO] [stderr] --> src/main.rs:99:9 [INFO] [stderr] | [INFO] [stderr] 99 | let v2 = v; // Accessing v will now cause an error [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/main.rs:183:5 [INFO] [stderr] | [INFO] [stderr] 183 | x: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/main.rs:184:5 [INFO] [stderr] | [INFO] [stderr] 184 | y: T, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `hello_rs` (bin "hello_rs" test) generated 13 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/hello_rs-9b863be3652d4c22) [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" "cccd8de425418d7de700a44afeb2d970db019ddf481b08fc8493dcbe1ead32f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cccd8de425418d7de700a44afeb2d970db019ddf481b08fc8493dcbe1ead32f3", kill_on_drop: false }` [INFO] [stdout] cccd8de425418d7de700a44afeb2d970db019ddf481b08fc8493dcbe1ead32f3