[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#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwblickhan%2Frdurian" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rwblickhan/rdurian on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rdurian` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subprocess v0.1.13
[INFO] [stderr]   Downloaded vec_map v0.8.1
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 698f372479d5672ce93c4ea0ae52ac9ec1ff1276742f2cb57182d15d89a7302d
[INFO] running `Command { std: "docker" "start" "-a" "698f372479d5672ce93c4ea0ae52ac9ec1ff1276742f2cb57182d15d89a7302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "698f372479d5672ce93c4ea0ae52ac9ec1ff1276742f2cb57182d15d89a7302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698f372479d5672ce93c4ea0ae52ac9ec1ff1276742f2cb57182d15d89a7302d", kill_on_drop: false }`
[INFO] [stdout] 698f372479d5672ce93c4ea0ae52ac9ec1ff1276742f2cb57182d15d89a7302d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d6040908c5d707da4dd78691a7fde2698a8d54a72374e2e54e6f2e553b9ad69
[INFO] running `Command { std: "docker" "start" "-a" "2d6040908c5d707da4dd78691a7fde2698a8d54a72374e2e54e6f2e553b9ad69", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rdurian` (manifest) generated 1 warning
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.7.0
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "2d6040908c5d707da4dd78691a7fde2698a8d54a72374e2e54e6f2e553b9ad69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d6040908c5d707da4dd78691a7fde2698a8d54a72374e2e54e6f2e553b9ad69", kill_on_drop: false }`
[INFO] [stdout] 2d6040908c5d707da4dd78691a7fde2698a8d54a72374e2e54e6f2e553b9ad69
