[INFO] updating cached repository https://github.com/tmikus/rlox
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab1dde3b5ee3559c4d83f66a58f08343f21c4d98
[INFO] testing tmikus/rlox against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmikus%2Frlox" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tmikus/rlox on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tmikus/rlox
[INFO] finished tweaking git repo https://github.com/tmikus/rlox
[INFO] tweaked toml for git repo https://github.com/tmikus/rlox written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/tmikus/rlox already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1c72f122edd6e18c10d2f08bdf9dd76c9e681a00570dd805772ca1c741bc0fcd
[INFO] running `"docker" "start" "-a" "1c72f122edd6e18c10d2f08bdf9dd76c9e681a00570dd805772ca1c741bc0fcd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::ptr::null`
[INFO] [stderr]  --> src/scanner.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ptr::null;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scanner.rs:156:70
[INFO] [stderr]     |
[INFO] [stderr] 156 |   fn add_token(&mut self, token_type: TokenType, literal: Option<Box<Any>>) {
[INFO] [stderr]     |                                                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |               ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |                            ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |                                        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |   BANG, BANG_EQUAL,
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |   EQUAL, EQUAL_EQUAL,
[INFO] [stderr]    |          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |   GREATER, GREATER_EQUAL,
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |   LESS, LESS_EQUAL,
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/token.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 |   literal: Option<Box<Any>>,
[INFO] [stderr]   |                       ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/token.rs:13:73
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn new(token_type: TokenType, lexeme: String, literal: Option<Box<Any>>, line: i32) -> Token {
[INFO] [stderr]    |                                                                         ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:33:73
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Err(why) => panic!("Couldn't open {}: {}", file_path.display(), why.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:38:73
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Err(why) => panic!("Couldn't read {}: {}", file_path.display(), why.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IDENTIFIER`
[INFO] [stderr]   --> src/token_type.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   IDENTIFIER, STRING, NUMBER,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AND`
[INFO] [stderr]   --> src/token_type.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CLASS`
[INFO] [stderr]   --> src/token_type.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ELSE`
[INFO] [stderr]   --> src/token_type.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FALSE`
[INFO] [stderr]   --> src/token_type.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FUN`
[INFO] [stderr]   --> src/token_type.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FOR`
[INFO] [stderr]   --> src/token_type.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IF`
[INFO] [stderr]   --> src/token_type.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NIL`
[INFO] [stderr]   --> src/token_type.rs:19:42
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OR`
[INFO] [stderr]   --> src/token_type.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                               ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PRINT`
[INFO] [stderr]   --> src/token_type.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RETURN`
[INFO] [stderr]   --> src/token_type.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SUPER`
[INFO] [stderr]   --> src/token_type.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `THIS`
[INFO] [stderr]   --> src/token_type.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TRUE`
[INFO] [stderr]   --> src/token_type.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VAR`
[INFO] [stderr]   --> src/token_type.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WHILE`
[INFO] [stderr]   --> src/token_type.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]  --> src/token.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   line: i32,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `"docker" "inspect" "1c72f122edd6e18c10d2f08bdf9dd76c9e681a00570dd805772ca1c741bc0fcd"`
[INFO] running `"docker" "rm" "-f" "1c72f122edd6e18c10d2f08bdf9dd76c9e681a00570dd805772ca1c741bc0fcd"`
[INFO] [stdout] 1c72f122edd6e18c10d2f08bdf9dd76c9e681a00570dd805772ca1c741bc0fcd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f607ac0e5c0221d81ae7943dcf71b06916c2d837a3df71c02de4fb2ec4b6d568
[INFO] running `"docker" "start" "-a" "f607ac0e5c0221d81ae7943dcf71b06916c2d837a3df71c02de4fb2ec4b6d568"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::ptr::null`
[INFO] [stderr]  --> src/scanner.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ptr::null;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scanner.rs:156:70
[INFO] [stderr]     |
[INFO] [stderr] 156 |   fn add_token(&mut self, token_type: TokenType, literal: Option<Box<Any>>) {
[INFO] [stderr]     |                                                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |               ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |                            ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |                                        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |   BANG, BANG_EQUAL,
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |   EQUAL, EQUAL_EQUAL,
[INFO] [stderr]    |          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |   GREATER, GREATER_EQUAL,
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |   LESS, LESS_EQUAL,
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/token.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 |   literal: Option<Box<Any>>,
[INFO] [stderr]   |                       ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/token.rs:13:73
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn new(token_type: TokenType, lexeme: String, literal: Option<Box<Any>>, line: i32) -> Token {
[INFO] [stderr]    |                                                                         ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:33:73
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Err(why) => panic!("Couldn't open {}: {}", file_path.display(), why.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:38:73
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Err(why) => panic!("Couldn't read {}: {}", file_path.display(), why.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IDENTIFIER`
[INFO] [stderr]   --> src/token_type.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   IDENTIFIER, STRING, NUMBER,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AND`
[INFO] [stderr]   --> src/token_type.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CLASS`
[INFO] [stderr]   --> src/token_type.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ELSE`
[INFO] [stderr]   --> src/token_type.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FALSE`
[INFO] [stderr]   --> src/token_type.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FUN`
[INFO] [stderr]   --> src/token_type.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FOR`
[INFO] [stderr]   --> src/token_type.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IF`
[INFO] [stderr]   --> src/token_type.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NIL`
[INFO] [stderr]   --> src/token_type.rs:19:42
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OR`
[INFO] [stderr]   --> src/token_type.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                               ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PRINT`
[INFO] [stderr]   --> src/token_type.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RETURN`
[INFO] [stderr]   --> src/token_type.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SUPER`
[INFO] [stderr]   --> src/token_type.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `THIS`
[INFO] [stderr]   --> src/token_type.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TRUE`
[INFO] [stderr]   --> src/token_type.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VAR`
[INFO] [stderr]   --> src/token_type.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WHILE`
[INFO] [stderr]   --> src/token_type.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]  --> src/token.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   line: i32,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "f607ac0e5c0221d81ae7943dcf71b06916c2d837a3df71c02de4fb2ec4b6d568"`
[INFO] running `"docker" "rm" "-f" "f607ac0e5c0221d81ae7943dcf71b06916c2d837a3df71c02de4fb2ec4b6d568"`
[INFO] [stdout] f607ac0e5c0221d81ae7943dcf71b06916c2d837a3df71c02de4fb2ec4b6d568
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 732741fbf116b9ac282489e3107f0706f4469de10fad9483379c50954cac3e9a
[INFO] running `"docker" "start" "-a" "732741fbf116b9ac282489e3107f0706f4469de10fad9483379c50954cac3e9a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::ptr::null`
[INFO] [stdout] 
[INFO] [stderr]  --> src/scanner.rs:2:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 2 | use std::ptr::null;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/scanner.rs:156:70
[INFO] [stderr]     |
[INFO] [stderr] 156 |   fn add_token(&mut self, token_type: TokenType, literal: Option<Box<Any>>) {
[INFO] [stderr]     |                                                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:3
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |   ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |               ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:28
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |                            ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stderr]  --> src/token_type.rs:6:40
[INFO] [stderr]   |
[INFO] [stderr] 6 |   LEFT_PAREN, RIGHT_PAREN, LEFT_BRACE, RIGHT_BRACE,
[INFO] [stderr]   |                                        ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |   BANG, BANG_EQUAL,
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |   EQUAL, EQUAL_EQUAL,
[INFO] [stderr]    |          ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |   GREATER, GREATER_EQUAL,
[INFO] [stderr]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/token_type.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |   LESS, LESS_EQUAL,
[INFO] [stderr]    |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/token.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 |   literal: Option<Box<Any>>,
[INFO] [stderr]   |                       ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/token.rs:13:73
[INFO] [stderr]    |
[INFO] [stderr] 13 |   pub fn new(token_type: TokenType, lexeme: String, literal: Option<Box<Any>>, line: i32) -> Token {
[INFO] [stderr]    |                                                                         ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:33:73
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Err(why) => panic!("Couldn't open {}: {}", file_path.display(), why.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:38:73
[INFO] [stderr]    |
[INFO] [stderr] 38 |     Err(why) => panic!("Couldn't read {}: {}", file_path.display(), why.description()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IDENTIFIER`
[INFO] [stderr]   --> src/token_type.rs:16:3
[INFO] [stderr]    |
[INFO] [stderr] 16 |   IDENTIFIER, STRING, NUMBER,
[INFO] [stderr]    |   ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `AND`
[INFO] [stderr]   --> src/token_type.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CLASS`
[INFO] [stderr]   --> src/token_type.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ELSE`
[INFO] [stderr]   --> src/token_type.rs:19:15
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FALSE`
[INFO] [stderr]   --> src/token_type.rs:19:21
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FUN`
[INFO] [stderr]   --> src/token_type.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FOR`
[INFO] [stderr]   --> src/token_type.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IF`
[INFO] [stderr]   --> src/token_type.rs:19:38
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NIL`
[INFO] [stderr]   --> src/token_type.rs:19:42
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OR`
[INFO] [stderr]   --> src/token_type.rs:19:47
[INFO] [stderr]    |
[INFO] [stderr] 19 |   AND, CLASS, ELSE, FALSE, FUN, FOR, IF, NIL, OR,
[INFO] [stderr]    |                                               ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PRINT`
[INFO] [stderr]   --> src/token_type.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RETURN`
[INFO] [stderr]   --> src/token_type.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SUPER`
[INFO] [stderr]   --> src/token_type.rs:20:18
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `THIS`
[INFO] [stderr]   --> src/token_type.rs:20:25
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TRUE`
[INFO] [stderr]   --> src/token_type.rs:20:31
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `VAR`
[INFO] [stderr]   --> src/token_type.rs:20:37
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WHILE`
[INFO] [stderr]   --> src/token_type.rs:20:42
[INFO] [stderr]    |
[INFO] [stderr] 20 |   PRINT, RETURN, SUPER, THIS, TRUE, VAR, WHILE,
[INFO] [stderr]    |                                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]  --> src/token.rs:9:3
[INFO] [stderr]   |
[INFO] [stderr] 9 |   line: i32,
[INFO] [stderr]   |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rlox-b360287564d69dec
[INFO] running `"docker" "inspect" "732741fbf116b9ac282489e3107f0706f4469de10fad9483379c50954cac3e9a"`
[INFO] running `"docker" "rm" "-f" "732741fbf116b9ac282489e3107f0706f4469de10fad9483379c50954cac3e9a"`
[INFO] [stdout] 732741fbf116b9ac282489e3107f0706f4469de10fad9483379c50954cac3e9a