[INFO] fetching crate pagan 0.2.1...
[INFO] checking pagan-0.2.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate pagan 0.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate pagan 0.2.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pagan 0.2.1
[INFO] finished tweaking crates.io crate pagan 0.2.1
[INFO] tweaked toml for crates.io crate pagan 0.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded gnuplot v0.0.24
[INFO] [stderr]   Downloaded simple_logger v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8216efbe4b5baa3e51c50f37b784adf23762ef662ad2c62f506a79c66c6175b0
[INFO] running `Command { std: "docker" "start" "-a" "8216efbe4b5baa3e51c50f37b784adf23762ef662ad2c62f506a79c66c6175b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8216efbe4b5baa3e51c50f37b784adf23762ef662ad2c62f506a79c66c6175b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8216efbe4b5baa3e51c50f37b784adf23762ef662ad2c62f506a79c66c6175b0", kill_on_drop: false }`
[INFO] [stdout] 8216efbe4b5baa3e51c50f37b784adf23762ef662ad2c62f506a79c66c6175b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29b2576d18b2d2caf80c54738fcaad798e1dd98ed8a1446764baaf3f0696ae7f
[INFO] running `Command { std: "docker" "start" "-a" "29b2576d18b2d2caf80c54738fcaad798e1dd98ed8a1446764baaf3f0696ae7f", kill_on_drop: false }`
[INFO] [stderr]     Checking gnuplot v0.0.24
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling pagan v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] warning: use of deprecated struct `gcc::Build`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::Build::new()
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `gcc::Build::new`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     gcc::Build::new()
[INFO] [stdout]   |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking simple_logger v0.5.0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     box_syntax, fn_traits, unboxed_closures, pattern_parentheses, test, specialization,
[INFO] [stdout]   |     ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     box_syntax, fn_traits, unboxed_closures, pattern_parentheses, test, specialization,
[INFO] [stdout]   |     ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     optin_builtin_traits
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     optin_builtin_traits
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/minuit/mod.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl !Sync for Minuit {}
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:2:73
[INFO] [stdout]   |
[INFO] [stdout] 2 |     box_syntax, fn_traits, unboxed_closures, pattern_parentheses, test, specialization,
[INFO] [stdout]   |                                                                         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsMut` is imported redundantly
[INFO] [stdout]  --> src/canvas.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::{AsMut, AsRef};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsMut` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/canvas.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::{AsMut, AsRef};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/minuit/bits.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Fn` is imported redundantly
[INFO] [stdout]  --> src/terms/function.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{iter, marker::PhantomData, mem, ops::Fn, rc::Rc};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Fn` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/terms/function.rs:183:43
[INFO] [stdout]     |
[INFO] [stdout] 183 |     extern "rust-call" fn call_once(self, (x): (f64,)) -> Self::Output {
[INFO] [stdout]     |                                           ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -     extern "rust-call" fn call_once(self, (x): (f64,)) -> Self::Output {
[INFO] [stdout] 183 +     extern "rust-call" fn call_once(self, x: (f64,)) -> Self::Output {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/terms/function.rs:192:47
[INFO] [stdout]     |
[INFO] [stdout] 192 |     extern "rust-call" fn call_mut(&mut self, (x): (f64,)) -> f64 {
[INFO] [stdout]     |                                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -     extern "rust-call" fn call_mut(&mut self, (x): (f64,)) -> f64 {
[INFO] [stdout] 192 +     extern "rust-call" fn call_mut(&mut self, x: (f64,)) -> f64 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/terms/function.rs:201:39
[INFO] [stdout]     |
[INFO] [stdout] 201 |     extern "rust-call" fn call(&self, (x): (f64,)) -> f64 { (self.func)(x.0, self.p.as_slice()) }
[INFO] [stdout]     |                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 201 -     extern "rust-call" fn call(&self, (x): (f64,)) -> f64 { (self.func)(x.0, self.p.as_slice()) }
[INFO] [stdout] 201 +     extern "rust-call" fn call(&self, x: (f64,)) -> f64 { (self.func)(x.0, self.p.as_slice()) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/minuit/mod.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl !Sync for Minuit {}
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]    = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-03-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:2:73
[INFO] [stdout]   |
[INFO] [stdout] 2 |     box_syntax, fn_traits, unboxed_closures, pattern_parentheses, test, specialization,
[INFO] [stdout]   |                                                                         ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout]   = help: consider using `min_specialization` instead, which is more stable and complete
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsMut` is imported redundantly
[INFO] [stdout]  --> src/canvas.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::{AsMut, AsRef};
[INFO] [stdout]   |                    ^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsMut` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]  --> src/canvas.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::convert::{AsMut, AsRef};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `AsRef` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/minuit/bits.rs:2:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | use libc;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate libc;
[INFO] [stdout]    | ------------------ the item `libc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Fn` is imported redundantly
[INFO] [stdout]  --> src/terms/function.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{iter, marker::PhantomData, mem, ops::Fn, rc::Rc};
[INFO] [stdout]   |                                           ^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:105:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Fn` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/terms/function.rs:183:43
[INFO] [stdout]     |
[INFO] [stdout] 183 |     extern "rust-call" fn call_once(self, (x): (f64,)) -> Self::Output {
[INFO] [stdout]     |                                           ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 183 -     extern "rust-call" fn call_once(self, (x): (f64,)) -> Self::Output {
[INFO] [stdout] 183 +     extern "rust-call" fn call_once(self, x: (f64,)) -> Self::Output {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/terms/function.rs:192:47
[INFO] [stdout]     |
[INFO] [stdout] 192 |     extern "rust-call" fn call_mut(&mut self, (x): (f64,)) -> f64 {
[INFO] [stdout]     |                                               ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 192 -     extern "rust-call" fn call_mut(&mut self, (x): (f64,)) -> f64 {
[INFO] [stdout] 192 +     extern "rust-call" fn call_mut(&mut self, x: (f64,)) -> f64 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around pattern
[INFO] [stdout]    --> src/terms/function.rs:201:39
[INFO] [stdout]     |
[INFO] [stdout] 201 |     extern "rust-call" fn call(&self, (x): (f64,)) -> f64 { (self.func)(x.0, self.p.as_slice()) }
[INFO] [stdout]     |                                       ^ ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 201 -     extern "rust-call" fn call(&self, (x): (f64,)) -> f64 { (self.func)(x.0, self.p.as_slice()) }
[INFO] [stdout] 201 +     extern "rust-call" fn call(&self, x: (f64,)) -> f64 { (self.func)(x.0, self.p.as_slice()) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pattern_parentheses` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 |     box_syntax, fn_traits, unboxed_closures, pattern_parentheses, test, specialization,
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/minuit/bits.rs:249:19
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub futil: Rc<'f + Fn(f64, &[f64]) -> f64>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub futil: Rc<dyn 'f + Fn(f64, &[f64]) -> f64>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/canvas.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn draw<'a>(&mut self, _plt: &'a Draw2D) { _plt.draw2d(self.fig.axes2d()); }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn draw<'a>(&mut self, _plt: &'a dyn Draw2D) { _plt.draw2d(self.fig.axes2d()); }
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/canvas.rs:21:48
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn draws<'a>(&mut self, plts: &'a [&'a Draw2D]) -> &mut gp::Axes2D {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn draws<'a>(&mut self, plts: &'a [&'a dyn Draw2D]) -> &mut gp::Axes2D {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/minuit/mod.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |         data: &WithData,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 |         data: &dyn WithData,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `pattern_parentheses` has been stable since 1.31.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:46
[INFO] [stdout]   |
[INFO] [stdout] 2 |     box_syntax, fn_traits, unboxed_closures, pattern_parentheses, test, specialization,
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/minuit/bits.rs:249:19
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub futil: Rc<'f + Fn(f64, &[f64]) -> f64>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 249 |     pub futil: Rc<dyn 'f + Fn(f64, &[f64]) -> f64>,
[INFO] [stdout]     |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/canvas.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn draw<'a>(&mut self, _plt: &'a Draw2D) { _plt.draw2d(self.fig.axes2d()); }
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn draw<'a>(&mut self, _plt: &'a dyn Draw2D) { _plt.draw2d(self.fig.axes2d()); }
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/canvas.rs:21:48
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn draws<'a>(&mut self, plts: &'a [&'a Draw2D]) -> &mut gp::Axes2D {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn draws<'a>(&mut self, plts: &'a [&'a dyn Draw2D]) -> &mut gp::Axes2D {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/minuit/mod.rs:149:16
[INFO] [stdout]     |
[INFO] [stdout] 149 |         data: &WithData,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 149 |         data: &dyn WithData,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:87:21
[INFO] [stdout]    |
[INFO] [stdout] 87 |             (-0.5 * (x - 0.0).powi(2) / (3f64 * 3.0)).exp()
[INFO] [stdout]    |                     ^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 5 arguments but 4 arguments were supplied
[INFO] [stdout]    --> src/lib.rs:86:9
[INFO] [stdout]     |
[INFO] [stdout] 86  |           RngDist::new(rng, -15.0, 15.0, &|x| {
[INFO] [stdout]     |  _________^^^^^^^^^^^^___________________-
[INFO] [stdout] 87  | |             (-0.5 * (x - 0.0).powi(2) / (3f64 * 3.0)).exp()
[INFO] [stdout] 88  | |         }).squize(n)
[INFO] [stdout]     | |_________- an argument of type `usize` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/utility.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn new<'a, F: Fn(f64) -> f64>(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 101 |         rng: R,
[INFO] [stdout]     |         ------
[INFO] [stdout] 102 |         xmin: f64,
[INFO] [stdout]     |         ---------
[INFO] [stdout] 103 |         xmax: f64,
[INFO] [stdout]     |         ---------
[INFO] [stdout] 104 |         ndiv: usize,
[INFO] [stdout]     |         -----------
[INFO] [stdout] 105 |         func: &'a F,
[INFO] [stdout]     |         -----------
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 86  ~         RngDist::new(rng, -15.0, 15.0, /* usize */, &|x| {
[INFO] [stdout] 87  +             (-0.5 * (x - 0.0).powi(2) / (3f64 * 3.0)).exp()
[INFO] [stdout] 88  ~         }).squize(n)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `squize` found for enum `Result` in the current scope
[INFO] [stdout]    --> src/lib.rs:88:12
[INFO] [stdout]     |
[INFO] [stdout] 86  | /         RngDist::new(rng, -15.0, 15.0, &|x| {
[INFO] [stdout] 87  | |             (-0.5 * (x - 0.0).powi(2) / (3f64 * 3.0)).exp()
[INFO] [stdout] 88  | |         }).squize(n)
[INFO] [stdout]     | |           -^^^^^^ method not found in `Result<RngDist<R>, &str>`
[INFO] [stdout]     | |___________|
[INFO] [stdout]     | 
[INFO] [stdout]     |
[INFO] [stdout] note: the method `squize` exists on the type `utility::RngDist<R>`
[INFO] [stdout]    --> src/utility.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub fn squize(mut self, n: usize) -> Self {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: consider using `Result::expect` to unwrap the `utility::RngDist<R>` value, panicking if the value is a `Result::Err`
[INFO] [stdout]     |
[INFO] [stdout] 88  |         }).expect("REASON").squize(n)
[INFO] [stdout]     |           +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pagan` (lib) due to 4 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 6 previous errors; 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0282, E0557, E0599, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pagan` (lib test) due to 7 previous errors; 14 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "29b2576d18b2d2caf80c54738fcaad798e1dd98ed8a1446764baaf3f0696ae7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b2576d18b2d2caf80c54738fcaad798e1dd98ed8a1446764baaf3f0696ae7f", kill_on_drop: false }`
[INFO] [stdout] 29b2576d18b2d2caf80c54738fcaad798e1dd98ed8a1446764baaf3f0696ae7f
