[INFO] updating cached repository safsom/alif
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/safsom/alif
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/safsom/alif" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/safsom/alif"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/safsom/alif'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/safsom/alif" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/safsom/alif"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/safsom/alif'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 786504c115ca9a5325867a2ff8f9bc87e59afba3
[INFO] sha for GitHub repo safsom/alif: 786504c115ca9a5325867a2ff8f9bc87e59afba3
[INFO] validating manifest of safsom/alif on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of safsom/alif on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing safsom/alif
[INFO] finished frobbing safsom/alif
[INFO] frobbed toml for safsom/alif written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/safsom/alif/Cargo.toml
[INFO] started frobbing safsom/alif
[INFO] finished frobbing safsom/alif
[INFO] frobbed toml for safsom/alif written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/safsom/alif/Cargo.toml
[INFO] crate safsom/alif has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking safsom/alif against master#6ecad338381cc3b8d56e2df22e5971a598eddd6c for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-7/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/safsom/alif:/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" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 05215bc1528b904f79e6d02795ff51c6be97956d6c2f1c3a8f7f930a5b91873f
[INFO] running `"docker" "start" "-a" "05215bc1528b904f79e6d02795ff51c6be97956d6c2f1c3a8f7f930a5b91873f"`
[INFO] [stderr]     Checking ac v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lexer.rs:229:46
[INFO] [stderr]     |
[INFO] [stderr] 229 |             TokenType::Identifier(ref s, ref b) => println!("identifier {} on line {} at char {}", s, token.token_line, token.token_pos),
[INFO] [stderr]     |                                              ^ help: consider using `_b` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/parser.rs:69:43
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     TokenType::String(ref s) => panic!("error: type mismatch: cannot operate on integers and strings"),
[INFO] [stderr]    |                                           ^ help: consider using `_s` instead
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/lexer.rs:229:46
[INFO] [stderr]     |
[INFO] [stderr] 229 |             TokenType::Identifier(ref s, ref b) => println!("identifier {} on line {} at char {}", s, token.token_line, token.token_pos),
[INFO] [stderr]     |                                              ^ help: consider using `_b` instead
[INFO] [stderr] 
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/parser.rs:69:43
[INFO] [stderr]    |
[INFO] [stderr] 69 |                     TokenType::String(ref s) => panic!("error: type mismatch: cannot operate on integers and strings"),
[INFO] [stderr]    |                                           ^ help: consider using `_s` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut i = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/parser.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let mut i = 0;
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Division`
[INFO] [stderr]  --> src/parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Division,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftShift`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     LeftShift,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Division`
[INFO] [stderr]  --> src/parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Division,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] warning: variant is never constructed: `RightShift`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     RightShift,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LeftShift`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     LeftShift,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] warning: variant is never constructed: `StringLiteral`
[INFO] [stderr]   --> src/parser.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     StringLiteral(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Character`
[INFO] [stderr]   --> src/parser.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Character(char),
[INFO] [stderr] warning: variant is never constructed: `RightShift`
[INFO] [stderr]   --> src/parser.rs:13:5
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] 13 |     RightShift,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Const`
[INFO] [stderr]   --> src/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Const(String, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StringLiteral`
[INFO] [stderr]   --> src/parser.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     StringLiteral(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unary`
[INFO] [stderr]   --> src/parser.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Unary(Operators, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Character`
[INFO] [stderr]   --> src/parser.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     Character(char),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/parser.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Call(String, Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Const`
[INFO] [stderr]   --> src/parser.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Const(String, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/parser.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] warning: variant is never constructed: `Unary`
[INFO] [stderr]   --> src/parser.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     Unary(Operators, Box<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Call`
[INFO] [stderr]   --> src/parser.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     Call(String, Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Function`
[INFO] [stderr]   --> src/parser.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     Function(String, Vec<Expression>, Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/parser.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     If(Box<Expression>, Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Else`
[INFO] [stderr]   --> src/parser.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Else(Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] 34 |     Function(String, Vec<Expression>, Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `If`
[INFO] [stderr]   --> src/parser.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     If(Box<Expression>, Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Else`
[INFO] [stderr]   --> src/parser.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     Else(Vec<Expression>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `keywords` should have an upper case name such as `KEYWORDS`
[INFO] [stderr]  --> src/lexer.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const keywords: [&str; 10] = ["const", "record", "char", "string", "int", "bool", "if", "else", "match", "enum"];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `keywords` should have an upper case name such as `KEYWORDS`
[INFO] [stderr]  --> src/lexer.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | const keywords: [&str; 10] = ["const", "record", "char", "string", "int", "bool", "if", "else", "match", "enum"];
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "05215bc1528b904f79e6d02795ff51c6be97956d6c2f1c3a8f7f930a5b91873f"`
[INFO] running `"docker" "rm" "-f" "05215bc1528b904f79e6d02795ff51c6be97956d6c2f1c3a8f7f930a5b91873f"`
[INFO] [stdout] 05215bc1528b904f79e6d02795ff51c6be97956d6c2f1c3a8f7f930a5b91873f