Dec 06 11:18:37.190 INFO testing NicholasLYang/saber against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 11:18:37.190 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 06 11:18:37.361 INFO [stdout] 62243fbfb58ce7762ae38ad523be66aa7c18818c14f35f2c584d6a3dd10beb4c
Dec 06 11:18:37.368 INFO running `"docker" "start" "-a" "62243fbfb58ce7762ae38ad523be66aa7c18818c14f35f2c584d6a3dd10beb4c"`
Dec 06 11:18:37.930 INFO [stderr] usermod: no changes
Dec 06 11:18:38.056 INFO [stderr]    Compiling byteorder v1.2.7
Dec 06 11:18:38.059 INFO [stderr]    Compiling lalrpop-util v0.16.1
Dec 06 11:18:38.059 INFO [stderr]    Compiling backtrace-sys v0.1.24
Dec 06 11:18:38.059 INFO [stderr]    Compiling ena v0.10.1
Dec 06 11:18:38.068 INFO [stderr]    Compiling phf_generator v0.7.23
Dec 06 11:18:38.068 INFO [stderr]    Compiling memchr v2.1.1
Dec 06 11:18:38.069 INFO [stderr]    Compiling syn v0.15.15
Dec 06 11:18:38.701 INFO [stderr]    Compiling block-buffer v0.7.0
Dec 06 11:18:39.243 INFO [stderr]    Compiling sha2 v0.8.0
Dec 06 11:18:39.452 INFO [stderr]    Compiling string_cache_codegen v0.4.2
Dec 06 11:18:39.828 INFO [stderr]    Compiling aho-corasick v0.6.9
Dec 06 11:18:40.968 INFO [stderr]    Compiling regex v1.0.5
Dec 06 11:18:41.086 INFO [stderr]    Compiling backtrace v0.3.9
Dec 06 11:18:41.192 INFO [stderr]    Compiling string_cache v0.7.3
Dec 06 11:18:41.968 INFO [stderr]    Compiling failure v0.1.2
Dec 06 11:18:50.000 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 06 11:19:01.024 INFO [stderr]    Compiling docopt v1.0.2
Dec 06 11:19:06.563 INFO [stderr]    Compiling lalrpop v0.16.1
Dec 06 11:19:52.792 INFO [stderr]    Compiling saber v0.1.0 (/source)
Dec 06 11:19:57.923 INFO [stderr] error[E0428]: the name `Expr` is defined multiple times
Dec 06 11:19:57.923 INFO [stderr]   --> src/ast.rs:22:1
Dec 06 11:19:57.923 INFO [stderr]    |
Dec 06 11:19:57.923 INFO [stderr] 12 | pub enum Expr {
Dec 06 11:19:57.923 INFO [stderr]    | ------------- previous definition of the type `Expr` here
Dec 06 11:19:57.923 INFO [stderr] ...
Dec 06 11:19:57.923 INFO [stderr] 22 | pub enum Expr {
Dec 06 11:19:57.923 INFO [stderr]    | ^^^^^^^^^^^^^ `Expr` redefined here
Dec 06 11:19:57.923 INFO [stderr]    |
Dec 06 11:19:57.923 INFO [stderr]    = note: `Expr` must be defined only once in the type namespace of this module
Dec 06 11:19:57.923 INFO [stderr] 
Dec 06 11:19:57.963 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 06 11:19:57.963 INFO [stderr]  --> src/code_generator.rs:1:11
Dec 06 11:19:57.963 INFO [stderr]   |
Dec 06 11:19:57.963 INFO [stderr] 1 | use ast::{Asgn, Expr, Name, Op, Pat, Stmt, Unary, Value};
Dec 06 11:19:57.963 INFO [stderr]   |           ^^^^ no `Asgn` in `ast`
Dec 06 11:19:57.963 INFO [stderr] 
Dec 06 11:19:57.963 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 06 11:19:57.963 INFO [stderr]  --> /target/debug/build/saber-18577db9d26d78e7/out/parser.rs:4:41
Dec 06 11:19:57.963 INFO [stderr]   |
Dec 06 11:19:57.963 INFO [stderr] 4 | use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 06 11:19:57.963 INFO [stderr]   |                                         ^^^^ no `Asgn` in `ast`
Dec 06 11:19:57.963 INFO [stderr] 
Dec 06 11:19:57.963 INFO [stderr] error[E0432]: unresolved import `ast::Asgn`
Dec 06 11:19:57.963 INFO [stderr]   --> /target/debug/build/saber-18577db9d26d78e7/out/parser.rs:13:45
Dec 06 11:19:57.963 INFO [stderr]    |
Dec 06 11:19:57.963 INFO [stderr] 13 |     use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 06 11:19:57.963 INFO [stderr]    |                                             ^^^^ no `Asgn` in `ast`
Dec 06 11:19:57.963 INFO [stderr] 
Dec 06 11:19:58.003 INFO [stderr] warning: unused import: `Name`
Dec 06 11:19:58.003 INFO [stderr]  --> /target/debug/build/saber-18577db9d26d78e7/out/parser.rs:4:47
Dec 06 11:19:58.003 INFO [stderr]   |
Dec 06 11:19:58.003 INFO [stderr] 4 | use ast::{Op, Expr, Unary, Value, Stmt, Asgn, Name, Pat};
Dec 06 11:19:58.003 INFO [stderr]   |                                               ^^^^
Dec 06 11:19:58.003 INFO [stderr]   |
Dec 06 11:19:58.003 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 11:19:58.003 INFO [stderr] 
Dec 06 11:19:58.006 INFO [stderr] warning: unused imports: `Expr`, `Value`
Dec 06 11:19:58.006 INFO [stderr]  --> src/main.rs:8:11
Dec 06 11:19:58.006 INFO [stderr]   |
Dec 06 11:19:58.006 INFO [stderr] 8 | use ast::{Expr, Value};
Dec 06 11:19:58.006 INFO [stderr]   |           ^^^^  ^^^^^
Dec 06 11:19:58.006 INFO [stderr] 
Dec 06 11:19:58.006 INFO [stderr] warning: unused import: `std::collections::HashMap`
Dec 06 11:19:58.006 INFO [stderr]  --> src/main.rs:9:5
Dec 06 11:19:58.006 INFO [stderr]   |
Dec 06 11:19:58.006 INFO [stderr] 9 | use std::collections::HashMap;
Dec 06 11:19:58.006 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 11:19:58.006 INFO [stderr] 
Dec 06 11:19:58.007 INFO [stderr] warning: unused import: `Name`
Dec 06 11:19:58.007 INFO [stderr]  --> src/code_generator.rs:1:23
Dec 06 11:19:58.007 INFO [stderr]   |
Dec 06 11:19:58.007 INFO [stderr] 1 | use ast::{Asgn, Expr, Name, Op, Pat, Stmt, Unary, Value};
Dec 06 11:19:58.007 INFO [stderr]   |                       ^^^^
Dec 06 11:19:58.007 INFO [stderr] 
Dec 06 11:19:58.008 INFO [stderr] warning: unused import: `TypedOp`
Dec 06 11:19:58.008 INFO [stderr]  --> src/typechecker.rs:2:44
Dec 06 11:19:58.008 INFO [stderr]   |
Dec 06 11:19:58.008 INFO [stderr] 2 | use ast::{Expr, Name, Op, Type, TypedExpr, TypedOp};
Dec 06 11:19:58.008 INFO [stderr]   |                                            ^^^^^^^
Dec 06 11:19:58.008 INFO [stderr] 
Dec 06 11:19:58.070 INFO [stderr] error[E0119]: conflicting implementations of trait `std::cmp::PartialEq` for type `ast::Expr`:
Dec 06 11:19:58.070 INFO [stderr]   --> src/ast.rs:21:17
Dec 06 11:19:58.070 INFO [stderr]    |
Dec 06 11:19:58.070 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 06 11:19:58.070 INFO [stderr]    |                 --------- first implementation here
Dec 06 11:19:58.070 INFO [stderr] ...
Dec 06 11:19:58.070 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 06 11:19:58.070 INFO [stderr]    |                 ^^^^^^^^^ conflicting implementation for `ast::Expr`
Dec 06 11:19:58.070 INFO [stderr] 
Dec 06 11:19:58.084 INFO [stderr] error[E0119]: conflicting implementations of trait `std::clone::Clone` for type `ast::Expr`:
Dec 06 11:19:58.084 INFO [stderr]   --> src/ast.rs:21:28
Dec 06 11:19:58.084 INFO [stderr]    |
Dec 06 11:19:58.084 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 06 11:19:58.084 INFO [stderr]    |                            ----- first implementation here
Dec 06 11:19:58.084 INFO [stderr] ...
Dec 06 11:19:58.084 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 06 11:19:58.084 INFO [stderr]    |                            ^^^^^ conflicting implementation for `ast::Expr`
Dec 06 11:19:58.084 INFO [stderr] 
Dec 06 11:19:58.084 INFO [stderr] error[E0119]: conflicting implementations of trait `std::fmt::Debug` for type `ast::Expr`:
Dec 06 11:19:58.084 INFO [stderr]   --> src/ast.rs:21:10
Dec 06 11:19:58.084 INFO [stderr]    |
Dec 06 11:19:58.084 INFO [stderr] 11 | #[derive(Debug, PartialEq, Clone)]
Dec 06 11:19:58.084 INFO [stderr]    |          ----- first implementation here
Dec 06 11:19:58.084 INFO [stderr] ...
Dec 06 11:19:58.084 INFO [stderr] 21 | #[derive(Debug, PartialEq, Clone)]
Dec 06 11:19:58.084 INFO [stderr]    |          ^^^^^ conflicting implementation for `ast::Expr`
Dec 06 11:19:58.084 INFO [stderr] 
Dec 06 11:19:58.092 INFO [stderr] error: aborting due to 7 previous errors
Dec 06 11:19:58.092 INFO [stderr] 
Dec 06 11:19:58.092 INFO [stderr] Some errors occurred: E0119, E0428, E0432.
Dec 06 11:19:58.092 INFO [stderr] For more information about an error, try `rustc --explain E0119`.
Dec 06 11:19:58.100 INFO [stderr] error: Could not compile `saber`.
Dec 06 11:19:58.100 INFO [stderr] 
Dec 06 11:19:58.100 INFO [stderr] To learn more, run the command again with --verbose.
Dec 06 11:19:58.101 INFO [stderr] su: No module specific data is present
Dec 06 11:19:58.523 INFO running `"docker" "inspect" "62243fbfb58ce7762ae38ad523be66aa7c18818c14f35f2c584d6a3dd10beb4c"`
Dec 06 11:19:58.691 INFO running `"docker" "rm" "-f" "62243fbfb58ce7762ae38ad523be66aa7c18818c14f35f2c584d6a3dd10beb4c"`
Dec 06 11:19:58.869 INFO [stdout] 62243fbfb58ce7762ae38ad523be66aa7c18818c14f35f2c584d6a3dd10beb4c