[INFO] cloning repository https://github.com/abhijeetbhagat/charon [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abhijeetbhagat/charon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fcharon", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fcharon'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 66e46690f1169ece25187296786dd7533f9aee94 [INFO] checking abhijeetbhagat/charon/66e46690f1169ece25187296786dd7533f9aee94 against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabhijeetbhagat%2Fcharon" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/abhijeetbhagat/charon on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/abhijeetbhagat/charon [INFO] finished tweaking git repo https://github.com/abhijeetbhagat/charon [INFO] tweaked toml for git repo https://github.com/abhijeetbhagat/charon written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/abhijeetbhagat/charon 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "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] warning: unused manifest key: dependencies.charon_driver.test [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded llvm-sys v0.2.1 [INFO] [stderr] Downloaded bitflags v0.3.2 [INFO] [stderr] Downloaded gcc v0.3.13 [INFO] [stderr] Downloaded libc v0.1.10 [INFO] [stderr] Downloaded itertools v0.4.16 [INFO] [stderr] Downloaded winapi v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ba618d1e432d71318bfbaf6ed877f295232abe770962c2196e737ccecf62025c [INFO] running `Command { std: "docker" "start" "-a" "ba618d1e432d71318bfbaf6ed877f295232abe770962c2196e737ccecf62025c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ba618d1e432d71318bfbaf6ed877f295232abe770962c2196e737ccecf62025c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba618d1e432d71318bfbaf6ed877f295232abe770962c2196e737ccecf62025c", kill_on_drop: false }` [INFO] [stdout] ba618d1e432d71318bfbaf6ed877f295232abe770962c2196e737ccecf62025c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7ba4b9e3533ba29fcfa73555ed056a746e3b98bac444809a484f0adeba18a14e [INFO] running `Command { std: "docker" "start" "-a" "7ba4b9e3533ba29fcfa73555ed056a746e3b98bac444809a484f0adeba18a14e", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: unused manifest key: dependencies.charon_driver.test [INFO] [stderr] Compiling gcc v0.3.13 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking bitflags v0.3.2 [INFO] [stderr] Checking libc v0.1.10 [INFO] [stderr] Checking itertools v0.4.16 [INFO] [stderr] Compiling llvm-sys v0.2.1 [INFO] [stderr] Checking syntax v0.1.0 (/opt/rustwide/workdir/src/libsyntax) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/libsyntax/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(plugin)] [INFO] [stdout] | ^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: plugins are no longer supported [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/libsyntax/lib.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use]extern crate itertools; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/libsyntax/parse/lexer/mod.rs:147:17 [INFO] [stdout] | [INFO] [stdout] 147 | '0' ... '9' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/libsyntax/parse/lexer/mod.rs:158:17 [INFO] [stdout] | [INFO] [stdout] 158 | 'a' ... 'z' => { [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> src/libsyntax/parse/parser.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::{HashMap}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Local` and `Stmt` [INFO] [stdout] --> src/libsyntax/parse/parser.rs:7:11 [INFO] [stdout] | [INFO] [stdout] 7 | use ast::{Stmt, Expr, Block, TType, Local, Decl, OptionalTypeExprTupleList, OptionalParamInfoList, OptionalIdTypePairs}; [INFO] [stdout] | ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::Stmt::*` [INFO] [stdout] --> src/libsyntax/parse/parser.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use ast::Stmt::*; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BTreeMap` [INFO] [stdout] --> src/libsyntax/ast.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::{HashMap, BTreeMap}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Visitor` [INFO] [stdout] --> src/libsyntax/ast.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | use visit::{Visitor}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `enum_variant_names` [INFO] [stdout] --> src/libsyntax/ast.rs:40:9 [INFO] [stdout] | [INFO] [stdout] 40 | #[allow(enum_variant_names)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `enum_variant_names` [INFO] [stdout] --> src/libsyntax/ast.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 97 | #[allow(enum_variant_names)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `OptionalIdTypePairs` [INFO] [stdout] --> src/libsyntax/visitor_impl.rs:5:39 [INFO] [stdout] | [INFO] [stdout] 5 | use ast::{Binding, Expr, Decl, TType, OptionalIdTypePairs}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/libsyntax/visitor_impl.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `convert` [INFO] [stdout] --> src/libsyntax/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(convert)] [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/libsyntax/parse/parser.rs:744:21 [INFO] [stdout] | [INFO] [stdout] 744 | t => {} //FIXME this isn't an if-then-else expr. should we do something here? [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `array_ty` is never read [INFO] [stdout] --> src/libsyntax/parse/parser.rs:787:25 [INFO] [stdout] | [INFO] [stdout] 787 | let mut array_ty = TNil; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dim_ty` [INFO] [stdout] --> src/libsyntax/parse/parser.rs:795:30 [INFO] [stdout] | [INFO] [stdout] 795 | let (dim_ty, dim_expr) = self.get_nxt_and_parse(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_dim_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `init_ty` [INFO] [stdout] --> src/libsyntax/parse/parser.rs:801:46 [INFO] [stdout] | [INFO] [stdout] 801 | ... let (init_ty, init_expr) = self.get_nxt_and_parse(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_init_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `T` [INFO] [stdout] --> src/libsyntax/ast.rs:31:31 [INFO] [stdout] | [INFO] [stdout] 31 | TType::TArray(ref T) => f.write_str("Array of some type"), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_T` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/libsyntax/ast.rs:33:32 [INFO] [stdout] | [INFO] [stdout] 33 | TType::TCustom(ref name) => f.write_str("Custom"), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/libsyntax/ast.rs:81:18 [INFO] [stdout] | [INFO] [stdout] 81 | Some(s) => true, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/libsyntax/ast.rs:88:13 [INFO] [stdout] | [INFO] [stdout] 88 | for s in &self.statements{ [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `block` [INFO] [stdout] --> src/libsyntax/visit.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | fn visit_block(&mut self, block : &'a Block){ [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_block` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stmt` [INFO] [stdout] --> src/libsyntax/visit.rs:9:30 [INFO] [stdout] | [INFO] [stdout] 9 | fn visit_stmt(&mut self, stmt : &'a Stmt){ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_stmt` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/libsyntax/visit.rs:13:30 [INFO] [stdout] | [INFO] [stdout] 13 | fn visit_expr(&mut self, expr : &'a mut Expr){ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `decl` [INFO] [stdout] --> src/libsyntax/visit.rs:16:30 [INFO] [stdout] | [INFO] [stdout] 16 | fn visit_decl(&mut self, decl : &'a mut Decl){ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_decl` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ty` [INFO] [stdout] --> src/libsyntax/visitor_impl.rs:323:33 [INFO] [stdout] | [INFO] [stdout] 323 | TypeDec(ref id, ref ty) => { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_ty` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stderr] error: could not compile `syntax` (lib) due to 3 previous errors; 25 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7ba4b9e3533ba29fcfa73555ed056a746e3b98bac444809a484f0adeba18a14e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ba4b9e3533ba29fcfa73555ed056a746e3b98bac444809a484f0adeba18a14e", kill_on_drop: false }` [INFO] [stdout] 7ba4b9e3533ba29fcfa73555ed056a746e3b98bac444809a484f0adeba18a14e