[INFO] cloning repository https://github.com/bhelx/rust-forth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bhelx/rust-forth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhelx%2Frust-forth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhelx%2Frust-forth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58d9f51a1e609b261725dcd184e0cf215daab146
[INFO] testing bhelx/rust-forth against nightly-2025-01-18 for randomize-layout-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbhelx%2Frust-forth" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bhelx/rust-forth on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bhelx/rust-forth
[INFO] finished tweaking git repo https://github.com/bhelx/rust-forth
[INFO] tweaked toml for git repo https://github.com/bhelx/rust-forth written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bhelx/rust-forth 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 765c4c5ae81a75b8e5bd2cc91040c4804fa6fba2bcf2e81f4a372d083350ac37
[INFO] running `Command { std: "docker" "start" "-a" "765c4c5ae81a75b8e5bd2cc91040c4804fa6fba2bcf2e81f4a372d083350ac37", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "765c4c5ae81a75b8e5bd2cc91040c4804fa6fba2bcf2e81f4a372d083350ac37", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e043c97108970f173a78b89e154a60936473f7b389ba46bd341a469b726fb58
[INFO] running `Command { std: "docker" "start" "-a" "7e043c97108970f173a78b89e154a60936473f7b389ba46bd341a469b726fb58", kill_on_drop: false }`
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[INFO] [stderr]    Compiling digest v0.8.0
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[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling ena v0.10.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling lalrpop-util v0.16.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling lalrpop v0.16.2
[INFO] [stderr]    Compiling forth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1152:5
[INFO] [stdout]      |
[INFO] [stdout] 1152 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1152 -     (__0)
[INFO] [stdout] 1152 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1409:5
[INFO] [stdout]      |
[INFO] [stdout] 1409 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1409 -     (__0)
[INFO] [stdout] 1409 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vm.rs:147:46
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn op_two(&mut self, op_name: &str, op: &Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn op_two(&mut self, op_name: &str, op: &dyn Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vm.rs:153:42
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn op(&mut self, op_name: &str, op: &Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn op(&mut self, op_name: &str, op: &dyn Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1105:36
[INFO] [stdout]      |
[INFO] [stdout] 1105 |             let __text = self.text.trim_left();
[INFO] [stdout]      |                                    ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]      |
[INFO] [stdout] 1105 |             let __text = self.text.trim_start();
[INFO] [stdout]      |                                    ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let input = buffer.trim_right();
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let input = buffer.trim_end();
[INFO] [stdout]    |                            ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_name`
[INFO] [stdout]    --> src/vm.rs:147:26
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn op_two(&mut self, op_name: &str, op: &Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_name`
[INFO] [stdout]    --> src/vm.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn op(&mut self, op_name: &str, op: &Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         ev.exec(expr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = ev.exec(expr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vm.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         let _ = self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vm.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         let _ = self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/vm.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   self.exec(Ast::Phrase(words.clone()));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |                             let _ = self.exec(Ast::Phrase(words.clone()));
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7e043c97108970f173a78b89e154a60936473f7b389ba46bd341a469b726fb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e043c97108970f173a78b89e154a60936473f7b389ba46bd341a469b726fb58", kill_on_drop: false }`
[INFO] [stdout] 7e043c97108970f173a78b89e154a60936473f7b389ba46bd341a469b726fb58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac4051de565441f41cdcef775f2f9578bf5cccf8edb764bbc3eaa07592ae4602
[INFO] running `Command { std: "docker" "start" "-a" "ac4051de565441f41cdcef775f2f9578bf5cccf8edb764bbc3eaa07592ae4602", kill_on_drop: false }`
[INFO] [stderr]    Compiling forth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1152:5
[INFO] [stdout]      |
[INFO] [stdout] 1152 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1152 -     (__0)
[INFO] [stdout] 1152 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1409:5
[INFO] [stdout]      |
[INFO] [stdout] 1409 |     (__0)
[INFO] [stdout]      |     ^   ^
[INFO] [stdout]      |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 1409 -     (__0)
[INFO] [stdout] 1409 +     __0
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vm.rs:147:46
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn op_two(&mut self, op_name: &str, op: &Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn op_two(&mut self, op_name: &str, op: &dyn Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vm.rs:153:42
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn op(&mut self, op_name: &str, op: &Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) 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 a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn op(&mut self, op_name: &str, op: &dyn Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1105:36
[INFO] [stdout]      |
[INFO] [stdout] 1105 |             let __text = self.text.trim_left();
[INFO] [stdout]      |                                    ^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]      |
[INFO] [stdout] 1105 |             let __text = self.text.trim_start();
[INFO] [stdout]      |                                    ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/main.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let input = buffer.trim_right();
[INFO] [stdout]    |                            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let input = buffer.trim_end();
[INFO] [stdout]    |                            ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_name`
[INFO] [stdout]    --> src/vm.rs:147:26
[INFO] [stdout]     |
[INFO] [stdout] 147 |     fn op_two(&mut self, op_name: &str, op: &Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `op_name`
[INFO] [stdout]    --> src/vm.rs:153:22
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn op(&mut self, op_name: &str, op: &Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         ev.exec(expr);
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let _ = ev.exec(expr);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vm.rs:57:25
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |                         let _ = self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/vm.rs:70:25
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 70 |                         let _ = self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stdout]    |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/vm.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 | ...                   self.exec(Ast::Phrase(words.clone()));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 103 |                             let _ = self.exec(Ast::Phrase(words.clone()));
[INFO] [stdout]     |                             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "ac4051de565441f41cdcef775f2f9578bf5cccf8edb764bbc3eaa07592ae4602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4051de565441f41cdcef775f2f9578bf5cccf8edb764bbc3eaa07592ae4602", kill_on_drop: false }`
[INFO] [stdout] ac4051de565441f41cdcef775f2f9578bf5cccf8edb764bbc3eaa07592ae4602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd9452b34a93ac72f9410ba65d85b036de143d0f529b1ac0d37647cd1cba700f
[INFO] running `Command { std: "docker" "start" "-a" "fd9452b34a93ac72f9410ba65d85b036de143d0f529b1ac0d37647cd1cba700f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1152:5
[INFO] [stderr]      |
[INFO] [stderr] 1152 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1152 -     (__0)
[INFO] [stderr] 1152 +     __0
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1409:5
[INFO] [stderr]      |
[INFO] [stderr] 1409 |     (__0)
[INFO] [stderr]      |     ^   ^
[INFO] [stderr]      |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr] 1409 -     (__0)
[INFO] [stderr] 1409 +     __0
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vm.rs:147:46
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn op_two(&mut self, op_name: &str, op: &Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn op_two(&mut self, op_name: &str, op: &dyn Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vm.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn op(&mut self, op_name: &str, op: &Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/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] 153 |     fn op(&mut self, op_name: &str, op: &dyn Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stderr]     --> /opt/rustwide/target/debug/build/forth-dbc6fa9f336df0fd/out/parser.rs:1105:36
[INFO] [stderr]      |
[INFO] [stderr] 1105 |             let __text = self.text.trim_left();
[INFO] [stderr]      |                                    ^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]      |
[INFO] [stderr] 1105 |             let __text = self.text.trim_start();
[INFO] [stderr]      |                                    ~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/main.rs:16:28
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let input = buffer.trim_right();
[INFO] [stderr]    |                            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: replace the use of the deprecated method
[INFO] [stderr]    |
[INFO] [stderr] 16 |         let input = buffer.trim_end();
[INFO] [stderr]    |                            ~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op_name`
[INFO] [stderr]    --> src/vm.rs:147:26
[INFO] [stderr]     |
[INFO] [stderr] 147 |     fn op_two(&mut self, op_name: &str, op: &Fn(&i64, &i64) -> i64) -> Result<(), String>{
[INFO] [stderr]     |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `op_name`
[INFO] [stderr]    --> src/vm.rs:153:22
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn op(&mut self, op_name: &str, op: &Fn(i64) -> i64) -> Result<(), String>{
[INFO] [stderr]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_op_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         ev.exec(expr);
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let _ = ev.exec(expr);
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/vm.rs:57:25
[INFO] [stderr]    |
[INFO] [stderr] 57 |                         self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 57 |                         let _ = self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/vm.rs:70:25
[INFO] [stderr]    |
[INFO] [stderr] 70 |                         self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 70 |                         let _ = self.exec(Ast::Phrase(phrase.clone()));
[INFO] [stderr]    |                         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/vm.rs:103:29
[INFO] [stderr]     |
[INFO] [stderr] 103 | ...                   self.exec(Ast::Phrase(words.clone()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 103 |                             let _ = self.exec(Ast::Phrase(words.clone()));
[INFO] [stderr]     |                             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `forth` (bin "forth" test) generated 12 warnings (run `cargo fix --bin "forth" --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.16.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/forth-394d2fa09d487f89)
[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" "fd9452b34a93ac72f9410ba65d85b036de143d0f529b1ac0d37647cd1cba700f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9452b34a93ac72f9410ba65d85b036de143d0f529b1ac0d37647cd1cba700f", kill_on_drop: false }`
[INFO] [stdout] fd9452b34a93ac72f9410ba65d85b036de143d0f529b1ac0d37647cd1cba700f
