[INFO] fetching crate nrfind 1.0.3... [INFO] building nrfind-1.0.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate nrfind 1.0.3 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate nrfind 1.0.3 [INFO] finished tweaking crates.io crate nrfind 1.0.3 [INFO] tweaked toml for crates.io crate nrfind 1.0.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate nrfind 1.0.3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate nrfind 1.0.3 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d0a6d445a70fd1705e548cbf9dd9cf728b745c4da72963bdbe132b9b0bcdc59 [INFO] running `Command { std: "docker" "start" "-a" "1d0a6d445a70fd1705e548cbf9dd9cf728b745c4da72963bdbe132b9b0bcdc59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d0a6d445a70fd1705e548cbf9dd9cf728b745c4da72963bdbe132b9b0bcdc59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d0a6d445a70fd1705e548cbf9dd9cf728b745c4da72963bdbe132b9b0bcdc59", kill_on_drop: false }` [INFO] [stdout] 1d0a6d445a70fd1705e548cbf9dd9cf728b745c4da72963bdbe132b9b0bcdc59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9e125f41629c9a422050ecb1f50e4fc6f10c81e075c86f48d01b6911687a7e9b [INFO] running `Command { std: "docker" "start" "-a" "9e125f41629c9a422050ecb1f50e4fc6f10c81e075c86f48d01b6911687a7e9b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling nrfind v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [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 [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] 71 | pub fn find_root(function: &dyn Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:57 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &dyn Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced [INFO] [stdout] --> src/lib.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | --^^^^^---^^^---^^^---^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | will not be checked at usage sites of the type alias [INFO] [stdout] | help: remove this bound [INFO] [stdout] | [INFO] [stdout] = note: this is a known limitation of the type checker that may be lifted in a future edition. [INFO] [stdout] see issue #112792 for more information [INFO] [stdout] = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s [INFO] running `Command { std: "docker" "inspect" "9e125f41629c9a422050ecb1f50e4fc6f10c81e075c86f48d01b6911687a7e9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e125f41629c9a422050ecb1f50e4fc6f10c81e075c86f48d01b6911687a7e9b", kill_on_drop: false }` [INFO] [stdout] 9e125f41629c9a422050ecb1f50e4fc6f10c81e075c86f48d01b6911687a7e9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53cdcfbd0acea62b534107ec7fc27ccb797a22d45bffcc365216a435643c71bb [INFO] running `Command { std: "docker" "start" "-a" "53cdcfbd0acea62b534107ec7fc27ccb797a22d45bffcc365216a435643c71bb", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [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 [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] 71 | pub fn find_root(function: &dyn Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:57 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &dyn Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nrfind v1.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced [INFO] [stdout] --> src/lib.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | --^^^^^---^^^---^^^---^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | will not be checked at usage sites of the type alias [INFO] [stdout] | help: remove this bound [INFO] [stdout] | [INFO] [stdout] = note: this is a known limitation of the type checker that may be lifted in a future edition. [INFO] [stdout] see issue #112792 for more information [INFO] [stdout] = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:32 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [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 [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] 71 | pub fn find_root(function: &dyn Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:71:57 [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResu... [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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 71 | pub fn find_root(function: &Fn(N) -> N, derivative: &dyn Fn(N) -> N, x0: N, acceptable_err: N, max_iterations: i32) -> NumericSolutionResult [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: bounds on generic parameters in type aliases are not enforced [INFO] [stdout] --> src/lib.rs:30:35 [INFO] [stdout] | [INFO] [stdout] 30 | pub type NumericSolutionResult = Result; [INFO] [stdout] | --^^^^^---^^^---^^^---^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | will not be checked at usage sites of the type alias [INFO] [stdout] | help: remove this bound [INFO] [stdout] | [INFO] [stdout] = note: this is a known limitation of the type checker that may be lifted in a future edition. [INFO] [stdout] see issue #112792 for more information [INFO] [stdout] = help: add `#![feature(lazy_type_alias)]` to the crate attributes to enable the desired semantics [INFO] [stdout] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] running `Command { std: "docker" "inspect" "53cdcfbd0acea62b534107ec7fc27ccb797a22d45bffcc365216a435643c71bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53cdcfbd0acea62b534107ec7fc27ccb797a22d45bffcc365216a435643c71bb", kill_on_drop: false }` [INFO] [stdout] 53cdcfbd0acea62b534107ec7fc27ccb797a22d45bffcc365216a435643c71bb