[INFO] cloning repository https://github.com/rwblickhan/rdurian [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rwblickhan/rdurian" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwblickhan%2Frdurian", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwblickhan%2Frdurian'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f0edc1d925315e773ec0d5eda4da1b901342070 [INFO] checking rwblickhan/rdurian against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwblickhan%2Frdurian" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rwblickhan/rdurian on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rwblickhan/rdurian [INFO] finished tweaking git repo https://github.com/rwblickhan/rdurian [INFO] tweaked toml for git repo https://github.com/rwblickhan/rdurian written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/rwblickhan/rdurian 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.2.12 [INFO] [stderr] Downloaded subprocess v0.1.13 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65370af158b32e5f14984b9a1d26ea871e093fcd838b8c3b24094a0f7386147e [INFO] running `Command { std: "docker" "start" "-a" "65370af158b32e5f14984b9a1d26ea871e093fcd838b8c3b24094a0f7386147e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65370af158b32e5f14984b9a1d26ea871e093fcd838b8c3b24094a0f7386147e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65370af158b32e5f14984b9a1d26ea871e093fcd838b8c3b24094a0f7386147e", kill_on_drop: false }` [INFO] [stdout] 65370af158b32e5f14984b9a1d26ea871e093fcd838b8c3b24094a0f7386147e [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b5a9032b7db2684237e03dedad347e68c33c5322a9bab5b9dc1066c43763d004 [INFO] running `Command { std: "docker" "start" "-a" "b5a9032b7db2684237e03dedad347e68c33c5322a9bab5b9dc1066c43763d004", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Checking subprocess v0.1.13 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rdurian v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | let mut iter = stmts.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | let mut iter = params.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | let mut iter = args.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | let mut iter = args.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | let mut iter = commands.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/treewalk_interpreter.rs:233:21 [INFO] [stdout] | [INFO] [stdout] 233 | let mut handle = stdin.lock(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/treewalk_interpreter.rs:328:21 [INFO] [stdout] | [INFO] [stdout] 328 | let mut func_obj = self.curr_scope.borrow().get(ident_str)?; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Float` and `Bool` are never constructed [INFO] [stdout] --> src/vm.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | enum RuntimeObject { [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 11 | Integer(i32), [INFO] [stdout] 12 | Float(f64), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 13 | Bool(bool), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RuntimeObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `constant_pool_size` is never read [INFO] [stdout] --> src/vm.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct VM<'a, Stdout: Write, Stderr: Write> { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 60 | had_exec_error: bool, [INFO] [stdout] 61 | constant_pool_size: ConstantPoolIdx, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/treewalk_interpreter.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 80 | Some(obj) => Ok(obj.deref().clone()), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `treewalk_interpreter::RuntimeObject` does not implement `Deref`, so calling `deref` on `&treewalk_interpreter::RuntimeObject` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 80 - Some(obj) => Ok(obj.deref().clone()), [INFO] [stdout] 80 + Some(obj) => Ok(obj.clone()), [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `treewalk_interpreter::RuntimeObject`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 20 + #[derive(Clone)] [INFO] [stdout] 21 | enum RuntimeObject { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | let mut iter = stmts.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:42:17 [INFO] [stdout] | [INFO] [stdout] 42 | let mut iter = params.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | let mut iter = args.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:81:21 [INFO] [stdout] | [INFO] [stdout] 81 | let mut iter = args.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/pretty_printer.rs:92:17 [INFO] [stdout] | [INFO] [stdout] 92 | let mut iter = commands.iter(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/treewalk_interpreter.rs:233:21 [INFO] [stdout] | [INFO] [stdout] 233 | let mut handle = stdin.lock(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/treewalk_interpreter.rs:328:21 [INFO] [stdout] | [INFO] [stdout] 328 | let mut func_obj = self.curr_scope.borrow().get(ident_str)?; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Float` and `Bool` are never constructed [INFO] [stdout] --> src/vm.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | enum RuntimeObject { [INFO] [stdout] | ------------- variants in this enum [INFO] [stdout] 11 | Integer(i32), [INFO] [stdout] 12 | Float(f64), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 13 | Bool(bool), [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RuntimeObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `constant_pool_size` is never read [INFO] [stdout] --> src/vm.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 59 | pub struct VM<'a, Stdout: Write, Stderr: Write> { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 60 | had_exec_error: bool, [INFO] [stdout] 61 | constant_pool_size: ConstantPoolIdx, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/treewalk_interpreter.rs:80:32 [INFO] [stdout] | [INFO] [stdout] 80 | Some(obj) => Ok(obj.deref().clone()), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: the type `treewalk_interpreter::RuntimeObject` does not implement `Deref`, so calling `deref` on `&treewalk_interpreter::RuntimeObject` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] 80 - Some(obj) => Ok(obj.deref().clone()), [INFO] [stdout] 80 + Some(obj) => Ok(obj.clone()), [INFO] [stdout] | [INFO] [stdout] help: if you meant to clone `treewalk_interpreter::RuntimeObject`, implement `Clone` for it [INFO] [stdout] | [INFO] [stdout] 20 + #[derive(Clone)] [INFO] [stdout] 21 | enum RuntimeObject { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.18s [INFO] running `Command { std: "docker" "inspect" "b5a9032b7db2684237e03dedad347e68c33c5322a9bab5b9dc1066c43763d004", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5a9032b7db2684237e03dedad347e68c33c5322a9bab5b9dc1066c43763d004", kill_on_drop: false }` [INFO] [stdout] b5a9032b7db2684237e03dedad347e68c33c5322a9bab5b9dc1066c43763d004