[INFO] fetching crate scaly 0.0.37...
[INFO] testing scaly-0.0.37 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate scaly 0.0.37 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate scaly 0.0.37
[INFO] finished tweaking crates.io crate scaly 0.0.37
[INFO] tweaked toml for crates.io crate scaly 0.0.37 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scaly 0.0.37 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 032f1a11c2de84e4898e451237babe6e58b4d4fa3eb5ddab491ee74a0512b215
[INFO] running `Command { std: "docker" "start" "-a" "032f1a11c2de84e4898e451237babe6e58b4d4fa3eb5ddab491ee74a0512b215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "032f1a11c2de84e4898e451237babe6e58b4d4fa3eb5ddab491ee74a0512b215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "032f1a11c2de84e4898e451237babe6e58b4d4fa3eb5ddab491ee74a0512b215", kill_on_drop: false }`
[INFO] [stdout] 032f1a11c2de84e4898e451237babe6e58b4d4fa3eb5ddab491ee74a0512b215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1efd5d2fec4a60095a25b698f4beeb7a596a99e5be131203900772d35913bdca
[INFO] running `Command { std: "docker" "start" "-a" "1efd5d2fec4a60095a25b698f4beeb7a596a99e5be131203900772d35913bdca", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling scaly v0.0.37 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/io/stream.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_byte(&mut self, u8) -> Result<(), IoError>;
[INFO] [stdout]   |                              ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/stream.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub stream: *mut Stream
[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] 13 |     pub stream: *mut dyn Stream
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/console.rs:22:57
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut Stream {
[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] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut dyn Stream {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:13:81
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[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] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut dyn Stream, IoError> {
[INFO] [stdout]    |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:33:82
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[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] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut dyn Stream, IoError> {
[INFO] [stdout]    |                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_code` is never read
[INFO] [stdout]   --> src/containers/hashset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Slot<T: Copy> {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 62 |     value: T,
[INFO] [stdout] 63 |     hash_code: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Slot` has a derived impl for the trait `Clone`, 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "1efd5d2fec4a60095a25b698f4beeb7a596a99e5be131203900772d35913bdca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efd5d2fec4a60095a25b698f4beeb7a596a99e5be131203900772d35913bdca", kill_on_drop: false }`
[INFO] [stdout] 1efd5d2fec4a60095a25b698f4beeb7a596a99e5be131203900772d35913bdca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7361912c18768525e34657d73c7e6a8250364b197b8739e63ada346b923de7b
[INFO] running `Command { std: "docker" "start" "-a" "c7361912c18768525e34657d73c7e6a8250364b197b8739e63ada346b923de7b", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/io/stream.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_byte(&mut self, u8) -> Result<(), IoError>;
[INFO] [stdout]   |                              ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/stream.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub stream: *mut Stream
[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] 13 |     pub stream: *mut dyn Stream
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling scaly v0.0.37 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/console.rs:22:57
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut Stream {
[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] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut dyn Stream {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:13:81
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[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] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut dyn Stream, IoError> {
[INFO] [stdout]    |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:33:82
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[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] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut dyn Stream, IoError> {
[INFO] [stdout]    |                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_code` is never read
[INFO] [stdout]   --> src/containers/hashset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Slot<T: Copy> {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 62 |     value: T,
[INFO] [stdout] 63 |     hash_code: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Slot` has a derived impl for the trait `Clone`, 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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/io/stream.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn write_byte(&mut self, u8) -> Result<(), IoError>;
[INFO] [stdout]   |                              ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stdout]   |
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/stream.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub stream: *mut Stream
[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] 13 |     pub stream: *mut dyn Stream
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/console.rs:22:57
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut Stream {
[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] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut dyn Stream {
[INFO] [stdout]    |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:13:81
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[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] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut dyn Stream, IoError> {
[INFO] [stdout]    |                                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/io/file.rs:33:82
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[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] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut dyn Stream, IoError> {
[INFO] [stdout]    |                                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `hash_code` is never read
[INFO] [stdout]   --> src/containers/hashset.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 61 | struct Slot<T: Copy> {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 62 |     value: T,
[INFO] [stdout] 63 |     hash_code: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Slot` has a derived impl for the trait `Clone`, 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "c7361912c18768525e34657d73c7e6a8250364b197b8739e63ada346b923de7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7361912c18768525e34657d73c7e6a8250364b197b8739e63ada346b923de7b", kill_on_drop: false }`
[INFO] [stdout] c7361912c18768525e34657d73c7e6a8250364b197b8739e63ada346b923de7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 97a44ac45ba8754f77346761a1b8624b774c095df3b243a1b5584690ad7623d2
[INFO] running `Command { std: "docker" "start" "-a" "97a44ac45ba8754f77346761a1b8624b774c095df3b243a1b5584690ad7623d2", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]  --> src/io/stream.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn write_byte(&mut self, u8) -> Result<(), IoError>;
[INFO] [stderr]   |                              ^^ help: try naming the parameter or explicitly ignoring it: `_: u8`
[INFO] [stderr]   |
[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 <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr]   = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/stream.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub stream: *mut Stream
[INFO] [stderr]    |                      ^^^^^^
[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(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub stream: *mut dyn Stream
[INFO] [stderr]    |                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/console.rs:22:57
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut Stream {
[INFO] [stderr]    |                                                         ^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn open_standard_output(_rp: *mut Page) -> *mut dyn Stream {
[INFO] [stderr]    |                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/file.rs:13:81
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stderr]    |                                                                                 ^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn open_read(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut dyn Stream, IoError> {
[INFO] [stderr]    |                                                                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/file.rs:33:82
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut Stream, IoError> {
[INFO] [stderr]    |                                                                                  ^^^^^^
[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] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn open_write(_pr: &Region, _rp: *mut Page, path: String) -> Result<*mut dyn Stream, IoError> {
[INFO] [stderr]    |                                                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: field `hash_code` is never read
[INFO] [stderr]   --> src/containers/hashset.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 61 | struct Slot<T: Copy> {
[INFO] [stderr]    |        ---- field in this struct
[INFO] [stderr] 62 |     value: T,
[INFO] [stderr] 63 |     hash_code: usize,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Slot` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `scaly` (lib) generated 6 warnings (run `cargo fix --lib -p scaly` to apply 5 suggestions)
[INFO] [stderr] warning: `scaly` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/scaly-5413b481209ec911)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test containers::reference::test_ref ... ok
[INFO] [stdout] test containers::hashset::test_hash_map ... ok
[INFO] [stdout] test containers::string::test_string ... ok
[INFO] [stdout] usingnamespacetypedefScaly>test containers::list::test_list ... ok
[INFO] [stdout] test containers::vector::test_vector ... ok
[INFO] [stdout] test io::console::test_console ... ok
[INFO] [stdout] test io::file::test_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-901edca56a1b1139)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scaly
[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" "97a44ac45ba8754f77346761a1b8624b774c095df3b243a1b5584690ad7623d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97a44ac45ba8754f77346761a1b8624b774c095df3b243a1b5584690ad7623d2", kill_on_drop: false }`
[INFO] [stdout] 97a44ac45ba8754f77346761a1b8624b774c095df3b243a1b5584690ad7623d2
