[INFO] fetching crate rusty_brainfck 0.1.3... [INFO] testing rusty_brainfck-0.1.3 against 1.90.0 for beta-1.91-3 [INFO] extracting crate rusty_brainfck 0.1.3 into /workspace/builds/worker-6-tc1/source [INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate rusty_brainfck 0.1.3 [INFO] finished tweaking crates.io crate rusty_brainfck 0.1.3 [INFO] tweaked toml for crates.io crate rusty_brainfck 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rusty_brainfck 0.1.3 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rusty_brainfck 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a351a0b6b1059c853c24576c8918b09f4faadfb69219aa03357caa9bc1038472 [INFO] running `Command { std: "docker" "start" "-a" "a351a0b6b1059c853c24576c8918b09f4faadfb69219aa03357caa9bc1038472", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a351a0b6b1059c853c24576c8918b09f4faadfb69219aa03357caa9bc1038472", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a351a0b6b1059c853c24576c8918b09f4faadfb69219aa03357caa9bc1038472", kill_on_drop: false }` [INFO] [stdout] a351a0b6b1059c853c24576c8918b09f4faadfb69219aa03357caa9bc1038472 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd348d0581e3fe0f54ec1322f9dddcc87076cb997cda9b9159fcf87eeb7fe1e4 [INFO] running `Command { std: "docker" "start" "-a" "dd348d0581e3fe0f54ec1322f9dddcc87076cb997cda9b9159fcf87eeb7fe1e4", kill_on_drop: false }` [INFO] [stderr] Compiling rusty_brainfck v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/alloc.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{Display, Formatter, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/alloc.rs:27:27 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(program : &'a str) -> BrainFuckInterpreter { [INFO] [stdout] | ^^ -------------------- the same lifetime is hidden 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 new(program : &'a str) -> BrainFuckInterpreter<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/alloc.rs:77:20 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_ref(&self) -> Box<&BrainFuckInterpreter> { [INFO] [stdout] | ^^^^^ --------------------- [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_ref(&self) -> Box<&BrainFuckInterpreter<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(f, "Cell Ptr {}", self.tape_ptr); [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] 84 | let _ = writeln!(f, "Cell Ptr {}", self.tape_ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | writeln!(f, "Current Cell {} ({})",self.tape[self.tape_ptr], self.tape[self.tape_ptr] as char); [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] 85 | let _ = writeln!(f, "Current Cell {} ({})",self.tape[self.tape_ptr], self.tape[self.tape_ptr] as char); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | writeln!(f, "Program Counter: {}",self.program_ptr); [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] 86 | let _ = writeln!(f, "Program Counter: {}",self.program_ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | writeln!(f, "Current Command: {}", self.program.as_bytes()[self.program_ptr - 1] as char); [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] 87 | let _ = writeln!(f, "Current Command: {}", self.program.as_bytes()[self.program_ptr - 1] as char); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | write!(f, "{},",self.tape[idx]); [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] 89 | let _ = write!(f, "{},",self.tape[idx]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "dd348d0581e3fe0f54ec1322f9dddcc87076cb997cda9b9159fcf87eeb7fe1e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd348d0581e3fe0f54ec1322f9dddcc87076cb997cda9b9159fcf87eeb7fe1e4", kill_on_drop: false }` [INFO] [stdout] dd348d0581e3fe0f54ec1322f9dddcc87076cb997cda9b9159fcf87eeb7fe1e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a727a0cd0c71fe374808f52295607fefa424670c622fc64ab828ce3964ecfe1 [INFO] running `Command { std: "docker" "start" "-a" "7a727a0cd0c71fe374808f52295607fefa424670c622fc64ab828ce3964ecfe1", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/alloc.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{Display, Formatter, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/alloc.rs:27:27 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(program : &'a str) -> BrainFuckInterpreter { [INFO] [stdout] | ^^ -------------------- the same lifetime is hidden 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 new(program : &'a str) -> BrainFuckInterpreter<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/alloc.rs:77:20 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_ref(&self) -> Box<&BrainFuckInterpreter> { [INFO] [stdout] | ^^^^^ --------------------- [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_ref(&self) -> Box<&BrainFuckInterpreter<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(f, "Cell Ptr {}", self.tape_ptr); [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] 84 | let _ = writeln!(f, "Cell Ptr {}", self.tape_ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | writeln!(f, "Current Cell {} ({})",self.tape[self.tape_ptr], self.tape[self.tape_ptr] as char); [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] 85 | let _ = writeln!(f, "Current Cell {} ({})",self.tape[self.tape_ptr], self.tape[self.tape_ptr] as char); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | writeln!(f, "Program Counter: {}",self.program_ptr); [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] 86 | let _ = writeln!(f, "Program Counter: {}",self.program_ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | writeln!(f, "Current Command: {}", self.program.as_bytes()[self.program_ptr - 1] as char); [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] 87 | let _ = writeln!(f, "Current Command: {}", self.program.as_bytes()[self.program_ptr - 1] as char); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | write!(f, "{},",self.tape[idx]); [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] 89 | let _ = write!(f, "{},",self.tape[idx]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rusty_brainfck v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `write` [INFO] [stdout] --> src/alloc.rs:2:36 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::{Display, Formatter, write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/alloc.rs:27:27 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(program : &'a str) -> BrainFuckInterpreter { [INFO] [stdout] | ^^ -------------------- the same lifetime is hidden 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 new(program : &'a str) -> BrainFuckInterpreter<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/alloc.rs:77:20 [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_ref(&self) -> Box<&BrainFuckInterpreter> { [INFO] [stdout] | ^^^^^ --------------------- [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 77 | pub fn get_ref(&self) -> Box<&BrainFuckInterpreter<'_>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | writeln!(f, "Cell Ptr {}", self.tape_ptr); [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] 84 | let _ = writeln!(f, "Cell Ptr {}", self.tape_ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | writeln!(f, "Current Cell {} ({})",self.tape[self.tape_ptr], self.tape[self.tape_ptr] as char); [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] 85 | let _ = writeln!(f, "Current Cell {} ({})",self.tape[self.tape_ptr], self.tape[self.tape_ptr] as char); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | writeln!(f, "Program Counter: {}",self.program_ptr); [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] 86 | let _ = writeln!(f, "Program Counter: {}",self.program_ptr); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | writeln!(f, "Current Command: {}", self.program.as_bytes()[self.program_ptr - 1] as char); [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] 87 | let _ = writeln!(f, "Current Command: {}", self.program.as_bytes()[self.program_ptr - 1] as char); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/alloc.rs:89:13 [INFO] [stdout] | [INFO] [stdout] 89 | write!(f, "{},",self.tape[idx]); [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] 89 | let _ = write!(f, "{},",self.tape[idx]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "7a727a0cd0c71fe374808f52295607fefa424670c622fc64ab828ce3964ecfe1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a727a0cd0c71fe374808f52295607fefa424670c622fc64ab828ce3964ecfe1", kill_on_drop: false }` [INFO] [stdout] 7a727a0cd0c71fe374808f52295607fefa424670c622fc64ab828ce3964ecfe1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cb83e82801c4eb894b2abfad464100c6db8de906a9f5ec71e6ed3b15e135decf [INFO] running `Command { std: "docker" "start" "-a" "cb83e82801c4eb894b2abfad464100c6db8de906a9f5ec71e6ed3b15e135decf", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `write` [INFO] [stderr] --> src/alloc.rs:2:36 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt::{Display, Formatter, write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stderr] --> src/alloc.rs:27:27 [INFO] [stderr] | [INFO] [stderr] 27 | pub fn new(program : &'a str) -> BrainFuckInterpreter { [INFO] [stderr] | ^^ -------------------- the same lifetime is hidden 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 new(program : &'a str) -> BrainFuckInterpreter<'a> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/alloc.rs:77:20 [INFO] [stderr] | [INFO] [stderr] 77 | pub fn get_ref(&self) -> Box<&BrainFuckInterpreter> { [INFO] [stderr] | ^^^^^ --------------------- [INFO] [stderr] | | || [INFO] [stderr] | | |the same lifetime is hidden here [INFO] [stderr] | | the same lifetime is elided here [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 77 | pub fn get_ref(&self) -> Box<&BrainFuckInterpreter<'_>> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/alloc.rs:84:9 [INFO] [stderr] | [INFO] [stderr] 84 | writeln!(f, "Cell Ptr {}", self.tape_ptr); [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] 84 | let _ = writeln!(f, "Cell Ptr {}", self.tape_ptr); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/alloc.rs:85:9 [INFO] [stderr] | [INFO] [stderr] 85 | writeln!(f, "Current Cell {} ({})",self.tape[self.tape_ptr], self.tape[self.tape_ptr] as char); [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] 85 | let _ = writeln!(f, "Current Cell {} ({})",self.tape[self.tape_ptr], self.tape[self.tape_ptr] as char); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/alloc.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | writeln!(f, "Program Counter: {}",self.program_ptr); [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] 86 | let _ = writeln!(f, "Program Counter: {}",self.program_ptr); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/alloc.rs:87:9 [INFO] [stderr] | [INFO] [stderr] 87 | writeln!(f, "Current Command: {}", self.program.as_bytes()[self.program_ptr - 1] as char); [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] 87 | let _ = writeln!(f, "Current Command: {}", self.program.as_bytes()[self.program_ptr - 1] as char); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/alloc.rs:89:13 [INFO] [stderr] | [INFO] [stderr] 89 | write!(f, "{},",self.tape[idx]); [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] 89 | let _ = write!(f, "{},",self.tape[idx]); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rusty_brainfck` (lib) generated 8 warnings (run `cargo fix --lib -p rusty_brainfck` to apply 1 suggestion) [INFO] [stderr] warning: `rusty_brainfck` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rbf-a5f5743ca4034a61) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rbf_interpreter-3992dec6c387fd8b) [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] [stderr] Doc-tests rbf [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" "cb83e82801c4eb894b2abfad464100c6db8de906a9f5ec71e6ed3b15e135decf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb83e82801c4eb894b2abfad464100c6db8de906a9f5ec71e6ed3b15e135decf", kill_on_drop: false }` [INFO] [stdout] cb83e82801c4eb894b2abfad464100c6db8de906a9f5ec71e6ed3b15e135decf