Dec 17 19:47:52.312 INFO checking meganehouser/loris against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:47:52.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/meganehouser/loris:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:47:52.820 INFO [stdout] 9abbd1f758b81155ca7b7ab16b3ece8429e86e3362f36ef5b49b6848093f4c1d
Dec 17 19:47:52.822 INFO running `"docker" "start" "-a" "9abbd1f758b81155ca7b7ab16b3ece8429e86e3362f36ef5b49b6848093f4c1d"`
Dec 17 19:47:53.700 INFO [stderr]     Checking users v0.7.0
Dec 17 19:47:53.708 INFO [stderr]    Compiling syn v0.14.7
Dec 17 19:48:03.868 INFO [stderr]    Compiling synstructure v0.9.0
Dec 17 19:48:06.436 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 17 19:48:08.141 INFO [stderr]     Checking failure v0.1.2
Dec 17 19:48:08.668 INFO [stderr]     Checking loris v0.1.0 (/opt/crater/workdir)
Dec 17 19:48:09.188 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 19:48:09.188 INFO [stderr]  --> src/main.rs:5:1
Dec 17 19:48:09.188 INFO [stderr]   |
Dec 17 19:48:09.188 INFO [stderr] 5 | #[macro_use]
Dec 17 19:48:09.188 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 19:48:09.188 INFO [stderr]   |
Dec 17 19:48:09.188 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:48:09.188 INFO [stderr] 
Dec 17 19:48:09.188 INFO [stderr] warning: unused import: `Error`
Dec 17 19:48:09.188 INFO [stderr]  --> src/parser.rs:5:15
Dec 17 19:48:09.188 INFO [stderr]   |
Dec 17 19:48:09.188 INFO [stderr] 5 | use failure::{Error, Fail};
Dec 17 19:48:09.188 INFO [stderr]   |               ^^^^^
Dec 17 19:48:09.188 INFO [stderr] 
Dec 17 19:48:09.216 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 19:48:09.216 INFO [stderr]  --> src/main.rs:5:1
Dec 17 19:48:09.216 INFO [stderr]   |
Dec 17 19:48:09.216 INFO [stderr] 5 | #[macro_use]
Dec 17 19:48:09.216 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 19:48:09.216 INFO [stderr]   |
Dec 17 19:48:09.216 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 19:48:09.217 INFO [stderr] 
Dec 17 19:48:09.217 INFO [stderr] warning: unused import: `Error`
Dec 17 19:48:09.217 INFO [stderr]  --> src/parser.rs:5:15
Dec 17 19:48:09.217 INFO [stderr]   |
Dec 17 19:48:09.217 INFO [stderr] 5 | use failure::{Error, Fail};
Dec 17 19:48:09.217 INFO [stderr]   |               ^^^^^
Dec 17 19:48:09.217 INFO [stderr] 
Dec 17 19:48:09.431 INFO [stderr] warning: unused variable: `v`
Dec 17 19:48:09.431 INFO [stderr]   --> src/ast.rs:39:24
Dec 17 19:48:09.431 INFO [stderr]    |
Dec 17 19:48:09.431 INFO [stderr] 39 |                 value: v,
Dec 17 19:48:09.431 INFO [stderr]    |                        ^ help: consider using `_v` instead
Dec 17 19:48:09.431 INFO [stderr]    |
Dec 17 19:48:09.431 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:48:09.431 INFO [stderr] 
Dec 17 19:48:09.431 INFO [stderr] warning: unused variable: `v`
Dec 17 19:48:09.431 INFO [stderr]   --> src/ast.rs:41:50
Dec 17 19:48:09.431 INFO [stderr]    |
Dec 17 19:48:09.431 INFO [stderr] 41 |             Statement::Return { token: t, value: v } => write!(f, "Return(token:{}, value:)", t), //, v)
Dec 17 19:48:09.431 INFO [stderr]    |                                                  ^ help: consider using `_v` instead
Dec 17 19:48:09.431 INFO [stderr] 
Dec 17 19:48:09.431 INFO [stderr] warning: unused variable: `Illegal`
Dec 17 19:48:09.431 INFO [stderr]   --> src/ast.rs:42:13
Dec 17 19:48:09.431 INFO [stderr]    |
Dec 17 19:48:09.431 INFO [stderr] 42 |             Illegal => write!(f, "Illegal()"),
Dec 17 19:48:09.431 INFO [stderr]    |             ^^^^^^^ help: consider using `_Illegal` instead
Dec 17 19:48:09.431 INFO [stderr] 
Dec 17 19:48:09.468 INFO [stderr] warning: unused variable: `v`
Dec 17 19:48:09.468 INFO [stderr]   --> src/ast.rs:39:24
Dec 17 19:48:09.468 INFO [stderr]    |
Dec 17 19:48:09.468 INFO [stderr] 39 |                 value: v,
Dec 17 19:48:09.468 INFO [stderr]    |                        ^ help: consider using `_v` instead
Dec 17 19:48:09.468 INFO [stderr]    |
Dec 17 19:48:09.468 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 19:48:09.468 INFO [stderr] 
Dec 17 19:48:09.468 INFO [stderr] warning: unused variable: `v`
Dec 17 19:48:09.468 INFO [stderr]   --> src/ast.rs:41:50
Dec 17 19:48:09.468 INFO [stderr]    |
Dec 17 19:48:09.468 INFO [stderr] 41 |             Statement::Return { token: t, value: v } => write!(f, "Return(token:{}, value:)", t), //, v)
Dec 17 19:48:09.468 INFO [stderr]    |                                                  ^ help: consider using `_v` instead
Dec 17 19:48:09.468 INFO [stderr] 
Dec 17 19:48:09.468 INFO [stderr] warning: unused variable: `Illegal`
Dec 17 19:48:09.468 INFO [stderr]   --> src/ast.rs:42:13
Dec 17 19:48:09.468 INFO [stderr]    |
Dec 17 19:48:09.468 INFO [stderr] 42 |             Illegal => write!(f, "Illegal()"),
Dec 17 19:48:09.468 INFO [stderr]    |             ^^^^^^^ help: consider using `_Illegal` instead
Dec 17 19:48:09.468 INFO [stderr] 
Dec 17 19:48:09.497 INFO [stderr] warning: struct is never constructed: `Program`
Dec 17 19:48:09.497 INFO [stderr]  --> src/ast.rs:4:1
Dec 17 19:48:09.497 INFO [stderr]   |
Dec 17 19:48:09.497 INFO [stderr] 4 | pub struct Program {
Dec 17 19:48:09.497 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.497 INFO [stderr]   |
Dec 17 19:48:09.497 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 19:48:09.497 INFO [stderr] 
Dec 17 19:48:09.497 INFO [stderr] warning: method is never used: `new`
Dec 17 19:48:09.497 INFO [stderr]  --> src/ast.rs:9:5
Dec 17 19:48:09.497 INFO [stderr]   |
Dec 17 19:48:09.497 INFO [stderr] 9 |     pub fn new() -> Program {
Dec 17 19:48:09.497 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.497 INFO [stderr] 
Dec 17 19:48:09.497 INFO [stderr] warning: enum is never used: `Statement`
Dec 17 19:48:09.497 INFO [stderr]   --> src/ast.rs:15:1
Dec 17 19:48:09.497 INFO [stderr]    |
Dec 17 19:48:09.497 INFO [stderr] 15 | pub enum Statement {
Dec 17 19:48:09.497 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.497 INFO [stderr] 
Dec 17 19:48:09.497 INFO [stderr] warning: enum is never used: `Expression`
Dec 17 19:48:09.497 INFO [stderr]   --> src/ast.rs:29:1
Dec 17 19:48:09.497 INFO [stderr]    |
Dec 17 19:48:09.497 INFO [stderr] 29 | pub enum Expression {
Dec 17 19:48:09.497 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.497 INFO [stderr] 
Dec 17 19:48:09.497 INFO [stderr] warning: struct is never constructed: `ParserError`
Dec 17 19:48:09.497 INFO [stderr]  --> src/parser.rs:9:1
Dec 17 19:48:09.497 INFO [stderr]   |
Dec 17 19:48:09.497 INFO [stderr] 9 | pub struct ParserError {
Dec 17 19:48:09.497 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.497 INFO [stderr] 
Dec 17 19:48:09.497 INFO [stderr] warning: struct is never constructed: `Parser`
Dec 17 19:48:09.497 INFO [stderr]   --> src/parser.rs:14:1
Dec 17 19:48:09.497 INFO [stderr]    |
Dec 17 19:48:09.497 INFO [stderr] 14 | pub struct Parser<'a> {
Dec 17 19:48:09.497 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.497 INFO [stderr] 
Dec 17 19:48:09.497 INFO [stderr] warning: method is never used: `new`
Dec 17 19:48:09.497 INFO [stderr]   --> src/parser.rs:22:5
Dec 17 19:48:09.497 INFO [stderr]    |
Dec 17 19:48:09.498 INFO [stderr] 22 |     pub fn new(lxr: Lexer<'a>) -> Parser<'a> {
Dec 17 19:48:09.498 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.498 INFO [stderr] 
Dec 17 19:48:09.498 INFO [stderr] warning: method is never used: `next_token`
Dec 17 19:48:09.498 INFO [stderr]   --> src/parser.rs:34:5
Dec 17 19:48:09.498 INFO [stderr]    |
Dec 17 19:48:09.498 INFO [stderr] 34 |     pub fn next_token(&mut self) {
Dec 17 19:48:09.498 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.498 INFO [stderr] 
Dec 17 19:48:09.498 INFO [stderr] warning: method is never used: `parse_program`
Dec 17 19:48:09.498 INFO [stderr]   --> src/parser.rs:38:5
Dec 17 19:48:09.498 INFO [stderr]    |
Dec 17 19:48:09.498 INFO [stderr] 38 |     pub fn parse_program(&mut self) -> ast::Program {
Dec 17 19:48:09.498 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.498 INFO [stderr] 
Dec 17 19:48:09.498 INFO [stderr] warning: method is never used: `parse_statement`
Dec 17 19:48:09.498 INFO [stderr]   --> src/parser.rs:50:5
Dec 17 19:48:09.498 INFO [stderr]    |
Dec 17 19:48:09.498 INFO [stderr] 50 |     fn parse_statement(&mut self) -> ast::Statement {
Dec 17 19:48:09.498 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.498 INFO [stderr] 
Dec 17 19:48:09.498 INFO [stderr] warning: method is never used: `push_err`
Dec 17 19:48:09.498 INFO [stderr]   --> src/parser.rs:58:5
Dec 17 19:48:09.498 INFO [stderr]    |
Dec 17 19:48:09.498 INFO [stderr] 58 |     fn push_err(&mut self, expected: Token) {
Dec 17 19:48:09.498 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.498 INFO [stderr] 
Dec 17 19:48:09.498 INFO [stderr] warning: method is never used: `parse_let_statement`
Dec 17 19:48:09.498 INFO [stderr]   --> src/parser.rs:66:5
Dec 17 19:48:09.498 INFO [stderr]    |
Dec 17 19:48:09.498 INFO [stderr] 66 |     fn parse_let_statement(&mut self) -> ast::Statement {
Dec 17 19:48:09.498 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.498 INFO [stderr] 
Dec 17 19:48:09.498 INFO [stderr] warning: method is never used: `parse_return_statement`
Dec 17 19:48:09.498 INFO [stderr]   --> src/parser.rs:95:5
Dec 17 19:48:09.498 INFO [stderr]    |
Dec 17 19:48:09.498 INFO [stderr] 95 |     fn parse_return_statement(&mut self) -> ast::Statement {
Dec 17 19:48:09.498 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.498 INFO [stderr] 
Dec 17 19:48:09.516 INFO [stderr] warning: variable `Illegal` should have a snake case name such as `illegal`
Dec 17 19:48:09.516 INFO [stderr]   --> src/ast.rs:42:13
Dec 17 19:48:09.516 INFO [stderr]    |
Dec 17 19:48:09.516 INFO [stderr] 42 |             Illegal => write!(f, "Illegal()"),
Dec 17 19:48:09.516 INFO [stderr]    |             ^^^^^^^
Dec 17 19:48:09.516 INFO [stderr]    |
Dec 17 19:48:09.516 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 19:48:09.516 INFO [stderr] 
Dec 17 19:48:09.516 INFO [stderr] warning: variant is never constructed: `Identifier`
Dec 17 19:48:09.516 INFO [stderr]   --> src/ast.rs:30:5
Dec 17 19:48:09.516 INFO [stderr]    |
Dec 17 19:48:09.516 INFO [stderr] 30 |     Identifier { token: token::Token, value: String },
Dec 17 19:48:09.516 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 19:48:09.516 INFO [stderr]    |
Dec 17 19:48:09.516 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 19:48:09.517 INFO [stderr] 
Dec 17 19:48:09.526 INFO [stderr] warning: variable `Illegal` should have a snake case name such as `illegal`
Dec 17 19:48:09.526 INFO [stderr]   --> src/ast.rs:42:13
Dec 17 19:48:09.527 INFO [stderr]    |
Dec 17 19:48:09.527 INFO [stderr] 42 |             Illegal => write!(f, "Illegal()"),
Dec 17 19:48:09.527 INFO [stderr]    |             ^^^^^^^
Dec 17 19:48:09.527 INFO [stderr]    |
Dec 17 19:48:09.528 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 17 19:48:09.528 INFO [stderr] 
Dec 17 19:48:09.605 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.95s
Dec 17 19:48:10.692 INFO running `"docker" "inspect" "9abbd1f758b81155ca7b7ab16b3ece8429e86e3362f36ef5b49b6848093f4c1d"`
Dec 17 19:48:11.079 INFO running `"docker" "rm" "-f" "9abbd1f758b81155ca7b7ab16b3ece8429e86e3362f36ef5b49b6848093f4c1d"`
Dec 17 19:48:11.393 INFO [stdout] 9abbd1f758b81155ca7b7ab16b3ece8429e86e3362f36ef5b49b6848093f4c1d