[INFO] fetching crate dorset 0.1.0...
[INFO] testing dorset-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate dorset 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate dorset 0.1.0
[INFO] finished tweaking crates.io crate dorset 0.1.0
[INFO] tweaked toml for crates.io crate dorset 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dorset 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding float-cmp v0.3.0 (available: v0.10.0)
[INFO] [stderr]       Adding typed-arena v1.7.0 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.43
[INFO] [stderr]   Downloaded float-cmp v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 362a937f1001b4e74dea25c43b0606549389dd813a0cb58f65501490757202f7
[INFO] running `Command { std: "docker" "start" "-a" "362a937f1001b4e74dea25c43b0606549389dd813a0cb58f65501490757202f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "362a937f1001b4e74dea25c43b0606549389dd813a0cb58f65501490757202f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362a937f1001b4e74dea25c43b0606549389dd813a0cb58f65501490757202f7", kill_on_drop: false }`
[INFO] [stdout] 362a937f1001b4e74dea25c43b0606549389dd813a0cb58f65501490757202f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa782cf1701c445191315ec77a3dfcc42ee8ff10c0b55fc3f8fb5c22ec51ae4a
[INFO] running `Command { std: "docker" "start" "-a" "aa782cf1701c445191315ec77a3dfcc42ee8ff10c0b55fc3f8fb5c22ec51ae4a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.1.43
[INFO] [stderr]    Compiling float-cmp v0.3.0
[INFO] [stderr]    Compiling dorset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]  --> src/core/var.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the name `fmt` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]  --> src/core/var.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use core::vari::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]  --> src/core/var.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/vari.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     chain_op: Box<Fn(&Vari)>,
[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] 23 |     chain_op: Box<dyn Fn(&Vari)>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |     var_stack_: Vec<Box<Chainable + 'a>>,
[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] 14 |     var_stack_: Vec<Box<dyn Chainable + 'a>>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(var_stack: Vec<Box<Chainable + 'a>>) -> ChainableStackStorage<'a> {
[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] 21 |     pub fn new(var_stack: Vec<Box<dyn Chainable + 'a>>) -> ChainableStackStorage<'a> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[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] 27 |     pub fn stack(&'a self) -> &Vec<Box<dyn Chainable + 'a>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/vari.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         op: Box<Fn(&Vari)>,
[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] 32 |         op: Box<dyn Fn(&Vari)>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/core/chainable.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[INFO] [stdout]    |                   --          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &'a Vec<Box<Chainable + 'a>> {
[INFO] [stdout]    |                                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "aa782cf1701c445191315ec77a3dfcc42ee8ff10c0b55fc3f8fb5c22ec51ae4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa782cf1701c445191315ec77a3dfcc42ee8ff10c0b55fc3f8fb5c22ec51ae4a", kill_on_drop: false }`
[INFO] [stdout] aa782cf1701c445191315ec77a3dfcc42ee8ff10c0b55fc3f8fb5c22ec51ae4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ecb840039b00a311ffbf34471b438cc1d19a61feec102aadbb0119023a982d1
[INFO] running `Command { std: "docker" "start" "-a" "5ecb840039b00a311ffbf34471b438cc1d19a61feec102aadbb0119023a982d1", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling dorset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]  --> src/core/var.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the name `fmt` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]  --> src/core/var.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use core::vari::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]  --> src/core/var.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/vari.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     chain_op: Box<Fn(&Vari)>,
[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] 23 |     chain_op: Box<dyn Fn(&Vari)>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |     var_stack_: Vec<Box<Chainable + 'a>>,
[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] 14 |     var_stack_: Vec<Box<dyn Chainable + 'a>>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(var_stack: Vec<Box<Chainable + 'a>>) -> ChainableStackStorage<'a> {
[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] 21 |     pub fn new(var_stack: Vec<Box<dyn Chainable + 'a>>) -> ChainableStackStorage<'a> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[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] 27 |     pub fn stack(&'a self) -> &Vec<Box<dyn Chainable + 'a>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/vari.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         op: Box<Fn(&Vari)>,
[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] 32 |         op: Box<dyn Fn(&Vari)>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/core/chainable.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[INFO] [stdout]    |                   --          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &'a Vec<Box<Chainable + 'a>> {
[INFO] [stdout]    |                                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: private item shadows public glob re-export
[INFO] [stdout]  --> src/core/var.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the name `fmt` in the type namespace is supposed to be publicly re-exported here
[INFO] [stdout]  --> src/core/var.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use core::vari::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] note: but the private item here shadows it
[INFO] [stdout]  --> src/core/var.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/vari.rs:23:19
[INFO] [stdout]    |
[INFO] [stdout] 23 |     chain_op: Box<Fn(&Vari)>,
[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] 23 |     chain_op: Box<dyn Fn(&Vari)>,
[INFO] [stdout]    |                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:14:25
[INFO] [stdout]    |
[INFO] [stdout] 14 |     var_stack_: Vec<Box<Chainable + 'a>>,
[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] 14 |     var_stack_: Vec<Box<dyn Chainable + 'a>>,
[INFO] [stdout]    |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new(var_stack: Vec<Box<Chainable + 'a>>) -> ChainableStackStorage<'a> {
[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] 21 |     pub fn new(var_stack: Vec<Box<dyn Chainable + 'a>>) -> ChainableStackStorage<'a> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/chainable.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[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] 27 |     pub fn stack(&'a self) -> &Vec<Box<dyn Chainable + 'a>> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core/vari.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         op: Box<Fn(&Vari)>,
[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] 32 |         op: Box<dyn Fn(&Vari)>,
[INFO] [stdout]    |                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/core/chainable.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[INFO] [stdout]    |                   --          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn stack(&'a self) -> &'a Vec<Box<Chainable + 'a>> {
[INFO] [stdout]    |                                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "5ecb840039b00a311ffbf34471b438cc1d19a61feec102aadbb0119023a982d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecb840039b00a311ffbf34471b438cc1d19a61feec102aadbb0119023a982d1", kill_on_drop: false }`
[INFO] [stdout] 5ecb840039b00a311ffbf34471b438cc1d19a61feec102aadbb0119023a982d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2459d534cdaf7a95fd8770b4833e4febae8ebeb324af67446f5bc110c66c60a0
[INFO] running `Command { std: "docker" "start" "-a" "2459d534cdaf7a95fd8770b4833e4febae8ebeb324af67446f5bc110c66c60a0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: private item shadows public glob re-export
[INFO] [stderr]  --> src/core/var.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the name `fmt` in the type namespace is supposed to be publicly re-exported here
[INFO] [stderr]  --> src/core/var.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use core::vari::*;
[INFO] [stderr]   |         ^^^^^^^^^^^^^
[INFO] [stderr] note: but the private item here shadows it
[INFO] [stderr]  --> src/core/var.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   = note: `#[warn(hidden_glob_reexports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/vari.rs:23:19
[INFO] [stderr]    |
[INFO] [stderr] 23 |     chain_op: Box<Fn(&Vari)>,
[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] 23 |     chain_op: Box<dyn Fn(&Vari)>,
[INFO] [stderr]    |                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:14:25
[INFO] [stderr]    |
[INFO] [stderr] 14 |     var_stack_: Vec<Box<Chainable + 'a>>,
[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] 14 |     var_stack_: Vec<Box<dyn Chainable + 'a>>,
[INFO] [stderr]    |                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:21:35
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new(var_stack: Vec<Box<Chainable + 'a>>) -> ChainableStackStorage<'a> {
[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] 21 |     pub fn new(var_stack: Vec<Box<dyn Chainable + 'a>>) -> ChainableStackStorage<'a> {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/chainable.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[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] 27 |     pub fn stack(&'a self) -> &Vec<Box<dyn Chainable + 'a>> {
[INFO] [stderr]    |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core/vari.rs:32:17
[INFO] [stderr]    |
[INFO] [stderr] 32 |         op: Box<Fn(&Vari)>,
[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] 32 |         op: Box<dyn Fn(&Vari)>,
[INFO] [stderr]    |                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/core/chainable.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn stack(&'a self) -> &Vec<Box<Chainable + 'a>> {
[INFO] [stderr]    |                   --          ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is elided here
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn stack(&'a self) -> &'a Vec<Box<Chainable + 'a>> {
[INFO] [stderr]    |                                ++
[INFO] [stderr] 
[INFO] [stderr] warning: `dorset` (lib) generated 7 warnings (run `cargo fix --lib -p dorset` to apply 6 suggestions)
[INFO] [stderr] warning: `dorset` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dorset-7adead2842617c43)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test operations::add::test::add ... ok
[INFO] [stdout] test operations::cos::test::test ... ok
[INFO] [stdout] test operations::div::test::mul ... ok
[INFO] [stdout] test operations::mul::test::mul ... ok
[INFO] [stdout] test operations::ln::test::test ... ok
[INFO] [stdout] test operations::pow::test::add ... ok
[INFO] [stdout] test operations::sin::test::test ... ok
[INFO] [stdout] test operations::sub::test::sub ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dorset
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2459d534cdaf7a95fd8770b4833e4febae8ebeb324af67446f5bc110c66c60a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2459d534cdaf7a95fd8770b4833e4febae8ebeb324af67446f5bc110c66c60a0", kill_on_drop: false }`
[INFO] [stdout] 2459d534cdaf7a95fd8770b4833e4febae8ebeb324af67446f5bc110c66c60a0
