Dec 05 00:59:06.834 INFO checking NicholasLYang/saber against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 00:59:06.834 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 00:59:07.070 INFO [stdout] 44efd9ceea0315586f39eb900ca216a4411114b890b0408b20dfb54ebc55d3fe
Dec 05 00:59:07.072 INFO running `"docker" "start" "-a" "44efd9ceea0315586f39eb900ca216a4411114b890b0408b20dfb54ebc55d3fe"`
Dec 05 00:59:07.826 INFO [stderr] usermod: no changes
Dec 05 00:59:08.067 INFO [stderr]    Compiling byte-tools v0.3.0
Dec 05 00:59:08.069 INFO [stderr]    Compiling byteorder v1.2.7
Dec 05 00:59:08.069 INFO [stderr]    Compiling bit-vec v0.5.0
Dec 05 00:59:08.069 INFO [stderr]    Compiling fake-simd v0.1.2
Dec 05 00:59:08.069 INFO [stderr]    Compiling opaque-debug v0.2.1
Dec 05 00:59:08.083 INFO [stderr]    Compiling lalrpop-util v0.16.1
Dec 05 00:59:08.083 INFO [stderr]    Compiling log v0.4.6
Dec 05 00:59:08.183 INFO [stderr]    Compiling regex-syntax v0.6.2
Dec 05 00:59:08.603 INFO [stderr]    Compiling petgraph v0.4.13
Dec 05 00:59:08.787 INFO [stderr]    Compiling block-padding v0.1.2
Dec 05 00:59:10.304 INFO [stderr]    Compiling new_debug_unreachable v1.0.1
Dec 05 00:59:10.312 INFO [stderr]    Compiling memchr v2.1.1
Dec 05 00:59:10.400 INFO [stderr]    Compiling generic-array v0.12.0
Dec 05 00:59:10.455 INFO [stderr]    Compiling string_cache_codegen v0.4.2
Dec 05 00:59:10.875 INFO [stderr]    Compiling syn v0.15.15
Dec 05 00:59:12.823 INFO [stderr]    Compiling ena v0.10.1
Dec 05 00:59:12.843 INFO [stderr]    Compiling bit-set v0.5.0
Dec 05 00:59:13.889 INFO [stderr]    Compiling digest v0.8.0
Dec 05 00:59:15.545 INFO [stderr]    Compiling block-buffer v0.7.0
Dec 05 00:59:16.931 INFO [stderr]    Compiling aho-corasick v0.6.9
Dec 05 00:59:16.935 INFO [stderr]    Compiling sha2 v0.8.0
Dec 05 00:59:21.187 INFO [stderr]    Compiling string_cache v0.7.3
Dec 05 00:59:38.368 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 05 00:59:39.188 INFO [stderr]    Compiling regex v1.0.5
Dec 05 00:59:59.840 INFO [stderr]    Compiling docopt v1.0.2
Dec 05 01:00:04.967 INFO [stderr]    Compiling lalrpop v0.16.1
Dec 05 01:01:01.052 INFO [stderr]    Compiling saber v0.1.0 (/source)
Dec 05 01:01:10.435 INFO [stderr] error[E0428]: the name `Expr` is defined multiple times
Dec 05 01:01:10.435 INFO [stderr]   --> src/ast.rs:22:1
Dec 05 01:01:10.435 INFO [stderr]    |
Dec 05 01:01:10.435 INFO [stderr] 12 | pub enum Expr {
Dec 05 01:01:10.435 INFO [stderr]    | ------------- previous definition of the type `Expr` here
Dec 05 01:01:10.435 INFO [stderr] ...
Dec 05 01:01:10.435 INFO [stderr] 22 | pub enum Expr {
Dec 05 01:01:10.435 INFO [stderr]    | ^^^^^^^^^^^^^ `Expr` redefined here
Dec 05 01:01:10.435 INFO [stderr]    |
Dec 05 01:01:10.435 INFO [stderr]    = note: `Expr` must be defined only once in the type namespace of this module
Dec 05 01:01:10.435 INFO [stderr] 
Dec 05 01:01:10.503 INFO [stderr] error[E0428]: the name `Expr` is defined multiple times
Dec 05 01:01:10.503 INFO [stderr]   --> src/ast.rs:22:1
Dec 05 01:01:10.503 INFO [stderr]    |
Dec 05 01:01:10.503 INFO [stderr] 12 | pub enum Expr {
Dec 05 01:01:10.503 INFO [stderr]    | ------------- previous definition of the type `Expr` here
Dec 05 01:01:10.503 INFO [stderr] ...
Dec 05 01:01:10.503 INFO [stderr] 22 | pub enum Expr {
Dec 05 01:01:10.503 INFO [stderr]    | ^^^^^^^^^^^^^ `Expr` redefined here
Dec 05 01:01:10.503 INFO [stderr]    |
Dec 05 01:01:10.503 INFO [stderr]    = note: `Expr` must be defined only once in the type namespace of this module
Dec 05 01:01:10.503 INFO [stderr] 
Dec 05 01:01:10.527 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 05 01:01:10.527 INFO [stderr]  --> src/code_generator.rs:1:11
Dec 05 01:01:10.527 INFO [stderr]   |
Dec 05 01:01:10.527 INFO [stderr] 1 | use ast::{Asgn, Expr, Name, Op, Pat, Stmt, Unary, Value};
Dec 05 01:01:10.527 INFO [stderr]   |           ^^^^ no `Asgn` in `ast`
Dec 05 01:01:10.527 INFO [stderr] 
Dec 05 01:01:10.527 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 05 01:01:10.527 INFO [stderr]  --> /target/debug/build/saber-9017f7e7cf88e5dd/out/parser.rs:4:41
Dec 05 01:01:10.527 INFO [stderr]   |
Dec 05 01:01:10.527 INFO [stderr] 4 | use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 05 01:01:10.527 INFO [stderr]   |                                         ^^^^ no `Asgn` in `ast`
Dec 05 01:01:10.527 INFO [stderr] 
Dec 05 01:01:10.527 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 05 01:01:10.527 INFO [stderr]   --> /target/debug/build/saber-9017f7e7cf88e5dd/out/parser.rs:13:45
Dec 05 01:01:10.527 INFO [stderr]    |
Dec 05 01:01:10.527 INFO [stderr] 13 |     use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 05 01:01:10.527 INFO [stderr]    |                                             ^^^^ no `Asgn` in `ast`
Dec 05 01:01:10.527 INFO [stderr] 
Dec 05 01:01:10.599 INFO [stderr] warning: unused import: `Name`
Dec 05 01:01:10.599 INFO [stderr]  --> /target/debug/build/saber-9017f7e7cf88e5dd/out/parser.rs:4:47
Dec 05 01:01:10.599 INFO [stderr]   |
Dec 05 01:01:10.599 INFO [stderr] 4 | use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 05 01:01:10.599 INFO [stderr]   |                                               ^^^^
Dec 05 01:01:10.599 INFO [stderr]   |
Dec 05 01:01:10.599 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:01:10.599 INFO [stderr] 
Dec 05 01:01:10.607 INFO [stderr] warning: unused imports: `Expr`, `Value`
Dec 05 01:01:10.607 INFO [stderr]  --> src/main.rs:8:11
Dec 05 01:01:10.607 INFO [stderr]   |
Dec 05 01:01:10.607 INFO [stderr] 8 | use ast::{Expr, Value};
Dec 05 01:01:10.607 INFO [stderr]   |           ^^^^  ^^^^^
Dec 05 01:01:10.607 INFO [stderr] 
Dec 05 01:01:10.607 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 05 01:01:10.607 INFO [stderr]  --> src/main.rs:9:5
Dec 05 01:01:10.607 INFO [stderr]   |
Dec 05 01:01:10.607 INFO [stderr] 9 | use std::collections::HashMap;
Dec 05 01:01:10.607 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:01:10.607 INFO [stderr] 
Dec 05 01:01:10.607 INFO [stderr] warning: unused import: `Name`
Dec 05 01:01:10.607 INFO [stderr]  --> src/code_generator.rs:1:23
Dec 05 01:01:10.607 INFO [stderr]   |
Dec 05 01:01:10.607 INFO [stderr] 1 | use ast::{Asgn, Expr, Name, Op, Pat, Stmt, Unary, Value};
Dec 05 01:01:10.607 INFO [stderr]   |                       ^^^^
Dec 05 01:01:10.607 INFO [stderr] 
Dec 05 01:01:10.615 INFO [stderr] warning: unused import: `TypedOp`
Dec 05 01:01:10.615 INFO [stderr]  --> src/typechecker.rs:2:44
Dec 05 01:01:10.615 INFO [stderr]   |
Dec 05 01:01:10.615 INFO [stderr] 2 | use ast::{Expr, Name, Op, Type, TypedExpr, TypedOp};
Dec 05 01:01:10.615 INFO [stderr]   |                                            ^^^^^^^
Dec 05 01:01:10.615 INFO [stderr] 
Dec 05 01:01:10.623 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 05 01:01:10.623 INFO [stderr]  --> src/code_generator.rs:1:11
Dec 05 01:01:10.623 INFO [stderr]   |
Dec 05 01:01:10.623 INFO [stderr] 1 | use ast::{Asgn, Expr, Name, Op, Pat, Stmt, Unary, Value};
Dec 05 01:01:10.623 INFO [stderr]   |           ^^^^ no `Asgn` in `ast`
Dec 05 01:01:10.623 INFO [stderr] 
Dec 05 01:01:10.623 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 05 01:01:10.623 INFO [stderr]  --> /target/debug/build/saber-9017f7e7cf88e5dd/out/parser.rs:4:41
Dec 05 01:01:10.623 INFO [stderr]   |
Dec 05 01:01:10.623 INFO [stderr] 4 | use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 05 01:01:10.623 INFO [stderr]   |                                         ^^^^ no `Asgn` in `ast`
Dec 05 01:01:10.623 INFO [stderr] 
Dec 05 01:01:10.623 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 05 01:01:10.623 INFO [stderr]   --> /target/debug/build/saber-9017f7e7cf88e5dd/out/parser.rs:13:45
Dec 05 01:01:10.623 INFO [stderr]    |
Dec 05 01:01:10.623 INFO [stderr] 13 |     use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 05 01:01:10.623 INFO [stderr]    |                                             ^^^^ no `Asgn` in `ast`
Dec 05 01:01:10.623 INFO [stderr] 
Dec 05 01:01:10.675 INFO [stderr] warning: unused import: `Name`
Dec 05 01:01:10.675 INFO [stderr]  --> /target/debug/build/saber-9017f7e7cf88e5dd/out/parser.rs:4:47
Dec 05 01:01:10.675 INFO [stderr]   |
Dec 05 01:01:10.675 INFO [stderr] 4 | use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 05 01:01:10.675 INFO [stderr]   |                                               ^^^^
Dec 05 01:01:10.675 INFO [stderr]   |
Dec 05 01:01:10.675 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 01:01:10.675 INFO [stderr] 
Dec 05 01:01:10.675 INFO [stderr] warning: unused imports: `Expr`, `Value`
Dec 05 01:01:10.675 INFO [stderr]  --> src/main.rs:8:11
Dec 05 01:01:10.675 INFO [stderr]   |
Dec 05 01:01:10.675 INFO [stderr] 8 | use ast::{Expr, Value};
Dec 05 01:01:10.675 INFO [stderr]   |           ^^^^  ^^^^^
Dec 05 01:01:10.675 INFO [stderr] 
Dec 05 01:01:10.675 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 05 01:01:10.675 INFO [stderr]  --> src/main.rs:9:5
Dec 05 01:01:10.675 INFO [stderr]   |
Dec 05 01:01:10.675 INFO [stderr] 9 | use std::collections::HashMap;
Dec 05 01:01:10.675 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 01:01:10.675 INFO [stderr] 
Dec 05 01:01:10.675 INFO [stderr] warning: unused import: `Name`
Dec 05 01:01:10.675 INFO [stderr]  --> src/code_generator.rs:1:23
Dec 05 01:01:10.675 INFO [stderr]   |
Dec 05 01:01:10.675 INFO [stderr] 1 | use ast::{Asgn, Expr, Name, Op, Pat, Stmt, Unary, Value};
Dec 05 01:01:10.675 INFO [stderr]   |                       ^^^^
Dec 05 01:01:10.675 INFO [stderr] 
Dec 05 01:01:10.683 INFO [stderr] warning: unused import: `TypedOp`
Dec 05 01:01:10.683 INFO [stderr]  --> src/typechecker.rs:2:44
Dec 05 01:01:10.683 INFO [stderr]   |
Dec 05 01:01:10.683 INFO [stderr] 2 | use ast::{Expr, Name, Op, Type, TypedExpr, TypedOp};
Dec 05 01:01:10.683 INFO [stderr]   |                                            ^^^^^^^
Dec 05 01:01:10.683 INFO [stderr] 
Dec 05 01:01:10.763 INFO [stderr] error[E0119]: conflicting implementations of trait `std::cmp::PartialEq` for type `ast::Expr`:
Dec 05 01:01:10.763 INFO [stderr]   --> src/ast.rs:21:17
Dec 05 01:01:10.763 INFO [stderr]    |
Dec 05 01:01:10.763 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.763 INFO [stderr]    |                 --------- first implementation here
Dec 05 01:01:10.763 INFO [stderr] ...
Dec 05 01:01:10.763 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.763 INFO [stderr]    |                 ^^^^^^^^^ conflicting implementation for `ast::Expr`
Dec 05 01:01:10.763 INFO [stderr] 
Dec 05 01:01:10.799 INFO [stderr] error[E0119]: conflicting implementations of trait `std::clone::Clone` for type `ast::Expr`:
Dec 05 01:01:10.799 INFO [stderr]   --> src/ast.rs:21:28
Dec 05 01:01:10.799 INFO [stderr]    |
Dec 05 01:01:10.799 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.799 INFO [stderr]    |                            ----- first implementation here
Dec 05 01:01:10.799 INFO [stderr] ...
Dec 05 01:01:10.799 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.799 INFO [stderr]    |                            ^^^^^ conflicting implementation for `ast::Expr`
Dec 05 01:01:10.799 INFO [stderr] 
Dec 05 01:01:10.815 INFO [stderr] error[E0119]: conflicting implementations of trait `std::cmp::PartialEq` for type `ast::Expr`:
Dec 05 01:01:10.815 INFO [stderr]   --> src/ast.rs:21:17
Dec 05 01:01:10.815 INFO [stderr]    |
Dec 05 01:01:10.815 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.815 INFO [stderr]    |                 --------- first implementation here
Dec 05 01:01:10.815 INFO [stderr] ...
Dec 05 01:01:10.815 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.815 INFO [stderr]    |                 ^^^^^^^^^ conflicting implementation for `ast::Expr`
Dec 05 01:01:10.815 INFO [stderr] 
Dec 05 01:01:10.823 INFO [stderr] error[E0119]: conflicting implementations of trait `std::fmt::Debug` for type `ast::Expr`:
Dec 05 01:01:10.823 INFO [stderr]   --> src/ast.rs:21:10
Dec 05 01:01:10.823 INFO [stderr]    |
Dec 05 01:01:10.823 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.823 INFO [stderr]    |          ----- first implementation here
Dec 05 01:01:10.823 INFO [stderr] ...
Dec 05 01:01:10.823 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.823 INFO [stderr]    |          ^^^^^ conflicting implementation for `ast::Expr`
Dec 05 01:01:10.823 INFO [stderr] 
Dec 05 01:01:10.839 INFO [stderr] error[E0119]: conflicting implementations of trait `std::clone::Clone` for type `ast::Expr`:
Dec 05 01:01:10.839 INFO [stderr]   --> src/ast.rs:21:28
Dec 05 01:01:10.839 INFO [stderr]    |
Dec 05 01:01:10.839 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.839 INFO [stderr]    |                            ----- first implementation here
Dec 05 01:01:10.839 INFO [stderr] ...
Dec 05 01:01:10.839 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.839 INFO [stderr]    |                            ^^^^^ conflicting implementation for `ast::Expr`
Dec 05 01:01:10.839 INFO [stderr] 
Dec 05 01:01:10.847 INFO [stderr] error: aborting due to 7 previous errors
Dec 05 01:01:10.847 INFO [stderr] 
Dec 05 01:01:10.847 INFO [stderr] Some errors occurred: E0119, E0428, E0432.
Dec 05 01:01:10.847 INFO [stderr] For more information about an error, try `rustc --explain E0119`.
Dec 05 01:01:10.866 INFO [stderr] error[E0119]: conflicting implementations of trait `std::fmt::Debug` for type `ast::Expr`:
Dec 05 01:01:10.866 INFO [stderr]   --> src/ast.rs:21:10
Dec 05 01:01:10.866 INFO [stderr]    |
Dec 05 01:01:10.866 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.866 INFO [stderr]    |          ----- first implementation here
Dec 05 01:01:10.866 INFO [stderr] ...
Dec 05 01:01:10.866 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 05 01:01:10.866 INFO [stderr]    |          ^^^^^ conflicting implementation for `ast::Expr`
Dec 05 01:01:10.866 INFO [stderr] 
Dec 05 01:01:10.891 INFO [stderr] error: Could not compile `saber`.
Dec 05 01:01:10.891 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 05 01:01:10.891 INFO [stderr] error: aborting due to 7 previous errors
Dec 05 01:01:10.891 INFO [stderr] 
Dec 05 01:01:10.891 INFO [stderr] Some errors occurred: E0119, E0428, E0432.
Dec 05 01:01:10.891 INFO [stderr] For more information about an error, try `rustc --explain E0119`.
Dec 05 01:01:10.915 INFO [stderr] error: Could not compile `saber`.
Dec 05 01:01:10.915 INFO [stderr] 
Dec 05 01:01:10.915 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 01:01:10.915 INFO [stderr] su: No module specific data is present
Dec 05 01:01:11.999 INFO running `"docker" "inspect" "44efd9ceea0315586f39eb900ca216a4411114b890b0408b20dfb54ebc55d3fe"`
Dec 05 01:01:12.255 INFO running `"docker" "rm" "-f" "44efd9ceea0315586f39eb900ca216a4411114b890b0408b20dfb54ebc55d3fe"`
Dec 05 01:01:12.666 INFO [stdout] 44efd9ceea0315586f39eb900ca216a4411114b890b0408b20dfb54ebc55d3fe