[INFO] cloning repository https://github.com/skius/imp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skius/imp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fimp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fimp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6d9c23c6192b4bb442f8daebf7a3bd37343913dc [INFO] checking skius/imp against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fimp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skius/imp on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/skius/imp [INFO] finished tweaking git repo https://github.com/skius/imp [INFO] tweaked toml for git repo https://github.com/skius/imp written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/skius/imp 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustc-hash v1.1.0 [INFO] [stderr] Downloaded shlex v1.1.0 [INFO] [stderr] Downloaded z3 v0.11.2 [INFO] [stderr] Downloaded which v3.1.1 [INFO] [stderr] Downloaded quote v1.0.10 [INFO] [stderr] Downloaded peeking_take_while v0.1.2 [INFO] [stderr] Downloaded crunchy v0.2.2 [INFO] [stderr] Downloaded ascii-canvas v3.0.0 [INFO] [stderr] Downloaded symbolic_expressions v5.0.3 [INFO] [stderr] Downloaded bit-vec v0.6.3 [INFO] [stderr] Downloaded bit-set v0.5.2 [INFO] [stderr] Downloaded egg v0.6.0 [INFO] [stderr] Downloaded itertools v0.10.1 [INFO] [stderr] Downloaded petgraph v0.5.1 [INFO] [stderr] Downloaded libc v0.2.104 [INFO] [stderr] Downloaded smallvec v1.7.0 [INFO] [stderr] Downloaded parking_lot v0.11.2 [INFO] [stderr] Downloaded term v0.7.0 [INFO] [stderr] Downloaded lalrpop v0.19.6 [INFO] [stderr] Downloaded nom v5.1.2 [INFO] [stderr] Downloaded libloading v0.7.1 [INFO] [stderr] Downloaded clap v2.33.3 [INFO] [stderr] Downloaded proc-macro2 v1.0.30 [INFO] 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"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9564cefe2ca098b0ea4ffcc2fc11cfa47d8f4387650f57566ba7ad272f06b86c [INFO] running `Command { std: "docker" "start" "-a" "9564cefe2ca098b0ea4ffcc2fc11cfa47d8f4387650f57566ba7ad272f06b86c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9564cefe2ca098b0ea4ffcc2fc11cfa47d8f4387650f57566ba7ad272f06b86c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9564cefe2ca098b0ea4ffcc2fc11cfa47d8f4387650f57566ba7ad272f06b86c", kill_on_drop: false }` [INFO] [stdout] 9564cefe2ca098b0ea4ffcc2fc11cfa47d8f4387650f57566ba7ad272f06b86c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 92084080e6d72916f5a7ae099411caf4cd4756e5b04b23c2726a91fc31e87d24 [INFO] running `Command { std: "docker" "start" "-a" "92084080e6d72916f5a7ae099411caf4cd4756e5b04b23c2726a91fc31e87d24", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] 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Compiling nom v5.1.2 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling shlex v1.1.0 [INFO] [stderr] Compiling siphasher v0.3.7 [INFO] [stderr] Compiling clang-sys v1.2.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Checking symbolic_expressions v5.0.3 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking egg v0.6.0 [INFO] [stderr] Compiling string_cache v0.8.2 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stderr] Compiling env_logger v0.8.4 [INFO] [stderr] Compiling lalrpop-util v0.19.6 [INFO] [stderr] Compiling lalrpop v0.19.6 [INFO] [stderr] Compiling z3-sys v0.7.1 [INFO] [stderr] Compiling imp v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking z3 v0.11.2 [INFO] [stdout] warning: unused import: `AxStm` [INFO] [stdout] --> src/lib.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::ast::{Aexp, AxBlock, AxStm, Bexp, ImpFuncDef, Opcode, Ropcode, Stm}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::ImpErrorInner` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use error::ImpErrorInner; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::ImpErrorInner::*` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use error::ImpErrorInner::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stdout] --> src/ast.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::hint::unreachable_unchecked; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Dynamic`, `Int` [INFO] [stdout] --> src/ast.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use z3::ast::{Ast, Dynamic, Int}; [INFO] [stdout] | ^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/ast.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::state::*` [INFO] [stdout] --> src/axiomatic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::state::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FuncDecl` [INFO] [stdout] --> src/axiomatic.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use z3::{SatResult, FuncDecl, RecFuncDecl, Model}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `forall_const` [INFO] [stdout] --> src/axiomatic.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use z3::ast::{forall_const, Ast}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/axiomatic.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AxStm` [INFO] [stdout] --> src/lib.rs:4:33 [INFO] [stdout] | [INFO] [stdout] 4 | use crate::ast::{Aexp, AxBlock, AxStm, Bexp, ImpFuncDef, Opcode, Ropcode, Stm}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::ImpErrorInner` [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use error::ImpErrorInner; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error::ImpErrorInner::*` [INFO] [stdout] --> src/lib.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use error::ImpErrorInner::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stdout] --> src/ast.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::hint::unreachable_unchecked; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Dynamic`, `Int` [INFO] [stdout] --> src/ast.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | use z3::ast::{Ast, Dynamic, Int}; [INFO] [stdout] | ^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/ast.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::state::*` [INFO] [stdout] --> src/axiomatic.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use super::state::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `FuncDecl` [INFO] [stdout] --> src/axiomatic.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 7 | use z3::{SatResult, FuncDecl, RecFuncDecl, Model}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `forall_const` [INFO] [stdout] --> src/axiomatic.rs:9:15 [INFO] [stdout] | [INFO] [stdout] 9 | use z3::ast::{forall_const, Ast}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/axiomatic.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ast` [INFO] [stdout] --> src/axiomatic.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | use z3::ast::{forall_const, Ast}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ast` [INFO] [stdout] --> src/axiomatic.rs:9:29 [INFO] [stdout] | [INFO] [stdout] 9 | use z3::ast::{forall_const, Ast}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cond` [INFO] [stdout] --> src/ast.rs:97:26 [INFO] [stdout] | [INFO] [stdout] 97 | AxStm::While(cond, AxBlock(AssertionChain(inner_pre_chain), inner_rem)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cond` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_post` [INFO] [stdout] --> src/ast.rs:99:21 [INFO] [stdout] | [INFO] [stdout] 99 | let inner_post = inner_rem.last().unwrap().1.0.last().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_post` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ast.rs:467:13 [INFO] [stdout] | [INFO] [stdout] 467 | let mut f = funcmap.get(&self.name).unwrap(); [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: unused variable: `f` [INFO] [stdout] --> src/axiomatic.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | for (name, f) in &funcmap { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_pre_chain` [INFO] [stdout] --> src/axiomatic.rs:248:55 [INFO] [stdout] | [INFO] [stdout] 248 | AxStm::While(cond, AxBlock(AssertionChain(inner_pre_chain), inner_rem)) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_pre_chain` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/axiomatic.rs:505:9 [INFO] [stdout] | [INFO] [stdout] 505 | let mut solver = z3::Solver::new(&ctx); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_expr` [INFO] [stdout] --> src/entailment.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | let my_expr: RecExpr = "(^ 2 (+ z 1))".parse().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_expr` [INFO] [stdout] --> src/entailment.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let my_expr: RecExpr = "(* (^ 2 z) (^ 2 1))".parse().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `untrue_model` [INFO] [stdout] --> src/error.rs:82:96 [INFO] [stdout] | [INFO] [stdout] 82 | ImpErrorInner::EntailmentError { entailment_src, entailment_dst, is_unknown: true, untrue_model } => { [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `untrue_model: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cond` [INFO] [stdout] --> src/ast.rs:97:26 [INFO] [stdout] | [INFO] [stdout] 97 | AxStm::While(cond, AxBlock(AssertionChain(inner_pre_chain), inner_rem)) => { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cond` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_post` [INFO] [stdout] --> src/ast.rs:99:21 [INFO] [stdout] | [INFO] [stdout] 99 | let inner_post = inner_rem.last().unwrap().1.0.last().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_post` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ast.rs:467:13 [INFO] [stdout] | [INFO] [stdout] 467 | let mut f = funcmap.get(&self.name).unwrap(); [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: unused variable: `f` [INFO] [stdout] --> src/axiomatic.rs:18:16 [INFO] [stdout] | [INFO] [stdout] 18 | for (name, f) in &funcmap { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `inner_pre_chain` [INFO] [stdout] --> src/axiomatic.rs:248:55 [INFO] [stdout] | [INFO] [stdout] 248 | AxStm::While(cond, AxBlock(AssertionChain(inner_pre_chain), inner_rem)) => { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_pre_chain` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/ast.rs:105:112 [INFO] [stdout] | [INFO] [stdout] 105 | ...equires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 105 | _ => panic!("{}", "A total correctness proof requires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/ast.rs:108:104 [INFO] [stdout] | [INFO] [stdout] 108 | ...equires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 108 | _ => panic!("{}", "A total correctness proof requires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/axiomatic.rs:505:9 [INFO] [stdout] | [INFO] [stdout] 505 | let mut solver = z3::Solver::new(&ctx); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_expr` [INFO] [stdout] --> src/entailment.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | let my_expr: RecExpr = "(^ 2 (+ z 1))".parse().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `my_expr` [INFO] [stdout] --> src/entailment.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | let my_expr: RecExpr = "(* (^ 2 z) (^ 2 1))".parse().unwrap(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_my_expr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `untrue_model` [INFO] [stdout] --> src/error.rs:82:96 [INFO] [stdout] | [INFO] [stdout] 82 | ImpErrorInner::EntailmentError { entailment_src, entailment_dst, is_unknown: true, untrue_model } => { [INFO] [stdout] | ^^^^^^^^^^^^ help: try ignoring the field: `untrue_model: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/ast.rs:105:112 [INFO] [stdout] | [INFO] [stdout] 105 | ...equires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 105 | _ => panic!("{}", "A total correctness proof requires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains braces [INFO] [stdout] --> src/ast.rs:108:104 [INFO] [stdout] | [INFO] [stdout] 108 | ...equires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: this message is not used as a format string, but will be in Rust 2021 [INFO] [stdout] help: add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 108 | _ => panic!("{}", "A total correctness proof requires an inner pre-condition of the form { condition and ( P ) and variant = LOGICAL_VAR}"), [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `z3` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use z3; [INFO] [stdout] | ^^ the item `z3` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::Bexp::Rop` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use ast::Bexp::Rop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `z3` is imported redundantly [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use z3; [INFO] [stdout] | ^^ the item `z3` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ast::Bexp::Rop` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use ast::Bexp::Rop; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | axiomatic::verify_block_except_cons_partial(&prog); [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] 87 | let _ = axiomatic::verify_block_except_cons_partial(&prog); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | axiomatic::verify_cons_partial(&cfg, &prog, &funcdefs); [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] 88 | let _ = axiomatic::verify_cons_partial(&cfg, &prog, &funcdefs); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | axiomatic::verify_block_except_cons_total(&prog); [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] 104 | let _ = axiomatic::verify_block_except_cons_total(&prog); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | axiomatic::verify_cons_total(&cfg, &prog, &funcdefs); [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] 105 | let _ = axiomatic::verify_cons_total(&cfg, &prog, &funcdefs); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:87:9 [INFO] [stdout] | [INFO] [stdout] 87 | axiomatic::verify_block_except_cons_partial(&prog); [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] 87 | let _ = axiomatic::verify_block_except_cons_partial(&prog); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 88 | axiomatic::verify_cons_partial(&cfg, &prog, &funcdefs); [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] 88 | let _ = axiomatic::verify_cons_partial(&cfg, &prog, &funcdefs); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | axiomatic::verify_block_except_cons_total(&prog); [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] 104 | let _ = axiomatic::verify_block_except_cons_total(&prog); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | axiomatic::verify_cons_total(&cfg, &prog, &funcdefs); [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] 105 | let _ = axiomatic::verify_cons_total(&cfg, &prog, &funcdefs); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.41s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.6, nom v5.1.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "92084080e6d72916f5a7ae099411caf4cd4756e5b04b23c2726a91fc31e87d24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92084080e6d72916f5a7ae099411caf4cd4756e5b04b23c2726a91fc31e87d24", kill_on_drop: false }` [INFO] [stdout] 92084080e6d72916f5a7ae099411caf4cd4756e5b04b23c2726a91fc31e87d24 [INFO] checking skius/imp against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskius%2Fimp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skius/imp on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/skius/imp [INFO] finished tweaking git repo https://github.com/skius/imp [INFO] tweaked toml for git repo https://github.com/skius/imp written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/skius/imp 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87297a48238d3700f385510e84356c0438efee71ca84bdb2a4140172488483a9 [INFO] running `Command { std: "docker" "start" "-a" "87297a48238d3700f385510e84356c0438efee71ca84bdb2a4140172488483a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87297a48238d3700f385510e84356c0438efee71ca84bdb2a4140172488483a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87297a48238d3700f385510e84356c0438efee71ca84bdb2a4140172488483a9", kill_on_drop: false }` [INFO] [stdout] 87297a48238d3700f385510e84356c0438efee71ca84bdb2a4140172488483a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c6870cac836747a1176483a643b2fa2e66d9507c43a20a8ef4db27e57d594fe [INFO] running `Command { std: "docker" "start" "-a" "6c6870cac836747a1176483a643b2fa2e66d9507c43a20a8ef4db27e57d594fe", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling proc-macro2 v1.0.30 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling smallvec v1.7.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling libloading v0.7.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling bindgen v0.58.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling siphasher v0.3.7 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling rustc-hash v1.1.0 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling shlex v1.1.0 [INFO] [stderr] Compiling clang-sys v1.2.2 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Checking symbolic_expressions v5.0.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling which v3.1.1 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling string_cache v0.8.2 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Checking egg v0.6.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling cexpr v0.4.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "6c6870cac836747a1176483a643b2fa2e66d9507c43a20a8ef4db27e57d594fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c6870cac836747a1176483a643b2fa2e66d9507c43a20a8ef4db27e57d594fe", kill_on_drop: false }` [INFO] [stdout] 6c6870cac836747a1176483a643b2fa2e66d9507c43a20a8ef4db27e57d594fe