[INFO] cloning repository https://github.com/swuecho/rust_pearls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swuecho/rust_pearls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswuecho%2Frust_pearls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswuecho%2Frust_pearls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1872708631f831c8be5ba5ced6a4e1fd6a910c82
[INFO] checking swuecho/rust_pearls/1872708631f831c8be5ba5ced6a4e1fd6a910c82 against master#2c0f4860cc86e2354a55ea04e738848168435c90 for pr-149145
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswuecho%2Frust_pearls" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/swuecho/rust_pearls
[INFO] finished tweaking git repo https://github.com/swuecho/rust_pearls
[INFO] tweaked toml for git repo https://github.com/swuecho/rust_pearls written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/swuecho/rust_pearls on toolchain 2c0f4860cc86e2354a55ea04e738848168435c90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/swuecho/rust_pearls 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" "+2c0f4860cc86e2354a55ea04e738848168435c90" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c5eaa33ed625202a57338bcb3e41cd88adf3233a8c5e7cd456156dc4c354934
[INFO] running `Command { std: "docker" "start" "-a" "6c5eaa33ed625202a57338bcb3e41cd88adf3233a8c5e7cd456156dc4c354934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c5eaa33ed625202a57338bcb3e41cd88adf3233a8c5e7cd456156dc4c354934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5eaa33ed625202a57338bcb3e41cd88adf3233a8c5e7cd456156dc4c354934", kill_on_drop: false }`
[INFO] [stdout] 6c5eaa33ed625202a57338bcb3e41cd88adf3233a8c5e7cd456156dc4c354934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+2c0f4860cc86e2354a55ea04e738848168435c90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80c528ce4fca2ea978b5770fd9eccf7a41680fcf6696c1a416a5daa07420b6f3
[INFO] running `Command { std: "docker" "start" "-a" "80c528ce4fca2ea978b5770fd9eccf7a41680fcf6696c1a416a5daa07420b6f3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking rust_pearls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `last_name`, `age`, `height`, `phone_number`, and `flavor` are never read
[INFO] [stdout]  --> src/bin/person.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 3 |     first_name : &'static str,
[INFO] [stdout] 4 |     last_name  : &'static str,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     age        : u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     height     : f32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     phone_number : &'static str,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 8 |     flavor       : &'static str
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/struct_enum.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Circle(&'a Point, f64), // how to interpret this?
[INFO] [stdout]    |     ------ ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Circle(&'a Point, f64), // how to interpret this?
[INFO] [stdout] 10 +     Circle((), f64), // how to interpret this?
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/object_type.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn print(a: Box<Printable>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn print(a: Box<dyn Printable>) {
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/object_type.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |    print(Box::new(10) as Box<Printable>);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |    print(Box::new(10) as Box<dyn Printable>);
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_name`, `age`, `height`, `phone_number`, and `flavor` are never read
[INFO] [stdout]  --> src/bin/person.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Person {
[INFO] [stdout]   |        ------ fields in this struct
[INFO] [stdout] 3 |     first_name : &'static str,
[INFO] [stdout] 4 |     last_name  : &'static str,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 5 |     age        : u8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 6 |     height     : f32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 7 |     phone_number : &'static str,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 8 |     flavor       : &'static str
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/bin/struct_enum.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Circle(&'a Point, f64), // how to interpret this?
[INFO] [stdout]    |     ------ ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Circle(&'a Point, f64), // how to interpret this?
[INFO] [stdout] 10 +     Circle((), f64), // how to interpret this?
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/object_type.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn print(a: Box<Printable>) {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn print(a: Box<dyn Printable>) {
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/object_type.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |    print(Box::new(10) as Box<Printable>);
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 |    print(Box::new(10) as Box<dyn Printable>);
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "80c528ce4fca2ea978b5770fd9eccf7a41680fcf6696c1a416a5daa07420b6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c528ce4fca2ea978b5770fd9eccf7a41680fcf6696c1a416a5daa07420b6f3", kill_on_drop: false }`
[INFO] [stdout] 80c528ce4fca2ea978b5770fd9eccf7a41680fcf6696c1a416a5daa07420b6f3
