[INFO] cloning repository https://github.com/Nyrox/experimental-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nyrox/experimental-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fexperimental-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fexperimental-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2c71c970a473dc519830532474e51d10df2523b3 [INFO] checking Nyrox/experimental-lang against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNyrox%2Fexperimental-lang" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Nyrox/experimental-lang on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Nyrox/experimental-lang [INFO] finished tweaking git repo https://github.com/Nyrox/experimental-lang [INFO] tweaked toml for git repo https://github.com/Nyrox/experimental-lang written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Nyrox/experimental-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0a55741488253e5480b3f43491409d9e77061f8c6a13d41d929bf1f2137f2a29 [INFO] running `Command { std: "docker" "start" "-a" "0a55741488253e5480b3f43491409d9e77061f8c6a13d41d929bf1f2137f2a29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a55741488253e5480b3f43491409d9e77061f8c6a13d41d929bf1f2137f2a29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a55741488253e5480b3f43491409d9e77061f8c6a13d41d929bf1f2137f2a29", kill_on_drop: false }` [INFO] [stdout] 0a55741488253e5480b3f43491409d9e77061f8c6a13d41d929bf1f2137f2a29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7607204270b789acab1ad667ba74b92aa23c6944096c7a668ac17e9127d51ea [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f7607204270b789acab1ad667ba74b92aa23c6944096c7a668ac17e9127d51ea", kill_on_drop: false }` [INFO] [stderr] Checking experimental-lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `let_chains` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `let_chains` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/main.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(let_chains)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #53667 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TypeDeclaration` is imported redundantly [INFO] [stdout] --> src/typecheck.rs:518:9 [INFO] [stdout] | [INFO] [stdout] 2 | ast::untyped::{Expr, TypeDeclaration}, [INFO] [stdout] | --------------- the item `TypeDeclaration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 518 | use untyped::TypeDeclaration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TypeDeclaration` is imported redundantly [INFO] [stdout] --> src/typecheck.rs:518:9 [INFO] [stdout] | [INFO] [stdout] 2 | ast::untyped::{Expr, TypeDeclaration}, [INFO] [stdout] | --------------- the item `TypeDeclaration` is already imported here [INFO] [stdout] ... [INFO] [stdout] 518 | use untyped::TypeDeclaration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/interpret.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/interpret.rs:257:29 [INFO] [stdout] | [INFO] [stdout] 257 | ... _ => panic!(), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/typecheck.rs:566:9 [INFO] [stdout] | [INFO] [stdout] 566 | _ => unimplemented!(), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/typecheck.rs:694:13 [INFO] [stdout] | [INFO] [stdout] 694 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/parser/recdec.rs:351:33 [INFO] [stdout] | [INFO] [stdout] 351 | Spanned(Token::Let, span) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tpipe` [INFO] [stdout] --> src/parser/recdec.rs:372:32 [INFO] [stdout] | [INFO] [stdout] 372 | while let Some(tpipe) = self.maybe_expect(&Token::Pipe) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tpipe` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `th` [INFO] [stdout] --> src/interpret.rs:138:44 [INFO] [stdout] | [INFO] [stdout] 138 | if let Some(Value::Variant(th, vi, val)) = self.pop_val() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_th` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vn` [INFO] [stdout] --> src/typecheck.rs:95:46 [INFO] [stdout] | [INFO] [stdout] 95 | ... if let Some((i, (vn, vt))) = variants [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_vn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/interpret.rs:109:13 [INFO] [stdout] | [INFO] [stdout] 109 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/interpret.rs:257:29 [INFO] [stdout] | [INFO] [stdout] 257 | ... _ => panic!(), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/typecheck.rs:566:9 [INFO] [stdout] | [INFO] [stdout] 566 | _ => unimplemented!(), [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/typecheck.rs:694:13 [INFO] [stdout] | [INFO] [stdout] 694 | _ => { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `span` [INFO] [stdout] --> src/parser/recdec.rs:351:33 [INFO] [stdout] | [INFO] [stdout] 351 | Spanned(Token::Let, span) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_span` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tpipe` [INFO] [stdout] --> src/parser/recdec.rs:372:32 [INFO] [stdout] | [INFO] [stdout] 372 | while let Some(tpipe) = self.maybe_expect(&Token::Pipe) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_tpipe` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `th` [INFO] [stdout] --> src/interpret.rs:138:44 [INFO] [stdout] | [INFO] [stdout] 138 | if let Some(Value::Variant(th, vi, val)) = self.pop_val() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_th` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vn` [INFO] [stdout] --> src/typecheck.rs:95:46 [INFO] [stdout] | [INFO] [stdout] 95 | ... if let Some((i, (vn, vt))) = variants [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_vn` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/interpret.rs:218:25 [INFO] [stdout] | [INFO] [stdout] 210 | if let Some(b) = self.program.bindings.get(s) { [INFO] [stdout] | --------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 218 | self.push_val(Value::BuiltInFn(*f)); [INFO] [stdout] | ^^^^ -- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/interpret.rs:212:25 [INFO] [stdout] | [INFO] [stdout] 210 | if let Some(b) = self.program.bindings.get(s) { [INFO] [stdout] | --------------------- immutable borrow occurs here [INFO] [stdout] 211 | if let (ExprT::Lambda(p, body), _) = b { [INFO] [stdout] 212 | self.push_val(Value::Function( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] 213 | Rc::new(p.clone()), [INFO] [stdout] | - immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/interpret.rs:218:25 [INFO] [stdout] | [INFO] [stdout] 210 | if let Some(b) = self.program.bindings.get(s) { [INFO] [stdout] | --------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 218 | self.push_val(Value::BuiltInFn(*f)); [INFO] [stdout] | ^^^^ -- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `*self` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/interpret.rs:212:25 [INFO] [stdout] | [INFO] [stdout] 210 | if let Some(b) = self.program.bindings.get(s) { [INFO] [stdout] | --------------------- immutable borrow occurs here [INFO] [stdout] 211 | if let (ExprT::Lambda(p, body), _) = b { [INFO] [stdout] 212 | self.push_val(Value::Function( [INFO] [stdout] | ^^^^ mutable borrow occurs here [INFO] [stdout] 213 | Rc::new(p.clone()), [INFO] [stdout] | - immutable borrow later used here [INFO] [stdout] | [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.53s [INFO] running `Command { std: "docker" "inspect" "f7607204270b789acab1ad667ba74b92aa23c6944096c7a668ac17e9127d51ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7607204270b789acab1ad667ba74b92aa23c6944096c7a668ac17e9127d51ea", kill_on_drop: false }` [INFO] [stdout] f7607204270b789acab1ad667ba74b92aa23c6944096c7a668ac17e9127d51ea