[INFO] updating cached repository meganehouser/loris
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/meganehouser/loris
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/meganehouser/loris" "work/ex/beta-1.38-1/sources/1.37.0/gh/meganehouser/loris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/meganehouser/loris'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/meganehouser/loris" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/meganehouser/loris"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/meganehouser/loris'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2090eea589d09b8ea1476b0b490f281e91badb36
[INFO] sha for GitHub repo meganehouser/loris: 2090eea589d09b8ea1476b0b490f281e91badb36
[INFO] validating manifest of meganehouser/loris on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of meganehouser/loris on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing meganehouser/loris
[INFO] finished frobbing meganehouser/loris
[INFO] frobbed toml for meganehouser/loris written to work/ex/beta-1.38-1/sources/1.37.0/gh/meganehouser/loris/Cargo.toml
[INFO] started frobbing meganehouser/loris
[INFO] finished frobbing meganehouser/loris
[INFO] frobbed toml for meganehouser/loris written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/meganehouser/loris/Cargo.toml
[INFO] crate meganehouser/loris already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing meganehouser/loris against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 032ff338325b3ece3088b6ccb6ba6529e2576a9d4566c73121cf5959939b555a
[INFO] running `"docker" "start" "-a" "032ff338325b3ece3088b6ccb6ba6529e2576a9d4566c73121cf5959939b555a"`
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling loris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/parser.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use failure::{Error, Fail};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/ast.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 value: v,
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/ast.rs:41:50
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Statement::Return { token: t, value: v } => write!(f, "Return(token:{}, value:)", t), //, v)
[INFO] [stderr]    |                                                  ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Illegal`
[INFO] [stderr]   --> src/ast.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Illegal => write!(f, "Illegal()"),
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_Illegal`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Program`
[INFO] [stderr]  --> src/ast.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Program {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/ast.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new() -> Program {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Statement`
[INFO] [stderr]   --> src/ast.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub enum Statement {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Expression`
[INFO] [stderr]   --> src/ast.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub enum Expression {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ParserError`
[INFO] [stderr]  --> src/parser.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct ParserError {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]   --> src/parser.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct Parser<'a> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/parser.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn new(lxr: Lexer<'a>) -> Parser<'a> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_token`
[INFO] [stderr]   --> src/parser.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     pub fn next_token(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_program`
[INFO] [stderr]   --> src/parser.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     pub fn parse_program(&mut self) -> ast::Program {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_statement`
[INFO] [stderr]   --> src/parser.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn parse_statement(&mut self) -> ast::Statement {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `push_err`
[INFO] [stderr]   --> src/parser.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn push_err(&mut self, expected: Token) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_let_statement`
[INFO] [stderr]   --> src/parser.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn parse_let_statement(&mut self) -> ast::Statement {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_return_statement`
[INFO] [stderr]   --> src/parser.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn parse_return_statement(&mut self) -> ast::Statement {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Illegal` should have a snake case name
[INFO] [stderr]   --> src/ast.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Illegal => write!(f, "Illegal()"),
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `illegal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.05s
[INFO] running `"docker" "inspect" "032ff338325b3ece3088b6ccb6ba6529e2576a9d4566c73121cf5959939b555a"`
[INFO] running `"docker" "rm" "-f" "032ff338325b3ece3088b6ccb6ba6529e2576a9d4566c73121cf5959939b555a"`
[INFO] [stdout] 032ff338325b3ece3088b6ccb6ba6529e2576a9d4566c73121cf5959939b555a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 01b1514ea817da53df8f54f90e1c0323c5e6a5ca79da1bbc99a7fed3dbfbfd20
[INFO] running `"docker" "start" "-a" "01b1514ea817da53df8f54f90e1c0323c5e6a5ca79da1bbc99a7fed3dbfbfd20"`
[INFO] [stderr]    Compiling loris v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stderr]  --> src/parser.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use failure::{Error, Fail};
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/ast.rs:39:24
[INFO] [stderr]    |
[INFO] [stderr] 39 |                 value: v,
[INFO] [stderr]    |                        ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]   --> src/ast.rs:41:50
[INFO] [stderr]    |
[INFO] [stderr] 41 |             Statement::Return { token: t, value: v } => write!(f, "Return(token:{}, value:)", t), //, v)
[INFO] [stderr]    |                                                  ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `Illegal`
[INFO] [stderr]   --> src/ast.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Illegal => write!(f, "Illegal()"),
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_Illegal`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Identifier`
[INFO] [stderr]   --> src/ast.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Identifier { token: token::Token, value: String },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Illegal` should have a snake case name
[INFO] [stderr]   --> src/ast.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             Illegal => write!(f, "Illegal()"),
[INFO] [stderr]    |             ^^^^^^^ help: convert the identifier to snake case: `illegal`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "01b1514ea817da53df8f54f90e1c0323c5e6a5ca79da1bbc99a7fed3dbfbfd20"`
[INFO] running `"docker" "rm" "-f" "01b1514ea817da53df8f54f90e1c0323c5e6a5ca79da1bbc99a7fed3dbfbfd20"`
[INFO] [stdout] 01b1514ea817da53df8f54f90e1c0323c5e6a5ca79da1bbc99a7fed3dbfbfd20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f3cd0fbb5bca6e925046238b38b941603000b7163f65d210c10e7188bece9653
[INFO] running `"docker" "start" "-a" "f3cd0fbb5bca6e925046238b38b941603000b7163f65d210c10e7188bece9653"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/loris-f75148a6341b9b0d
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::text_lexer::test_next_token ... ok
[INFO] [stdout] test parser::parser_test::test_let_statements ... ok
[INFO] [stdout] test parser::parser_test::test_return_statements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f3cd0fbb5bca6e925046238b38b941603000b7163f65d210c10e7188bece9653"`
[INFO] running `"docker" "rm" "-f" "f3cd0fbb5bca6e925046238b38b941603000b7163f65d210c10e7188bece9653"`
[INFO] [stdout] f3cd0fbb5bca6e925046238b38b941603000b7163f65d210c10e7188bece9653