[INFO] updating cached repository jazz-lang/Jazz
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jazz-lang/Jazz
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jazz-lang/Jazz" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jazz-lang/Jazz"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jazz-lang/Jazz'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jazz-lang/Jazz" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jazz-lang/Jazz"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jazz-lang/Jazz'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a136dcc11eec801cfa0df10ad00f5cf7767bf10b
[INFO] sha for GitHub repo jazz-lang/Jazz: a136dcc11eec801cfa0df10ad00f5cf7767bf10b
[INFO] validating manifest of jazz-lang/Jazz on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jazz-lang/Jazz on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jazz-lang/Jazz
[INFO] finished frobbing jazz-lang/Jazz
[INFO] frobbed toml for jazz-lang/Jazz written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jazz-lang/Jazz/Cargo.toml
[INFO] started frobbing jazz-lang/Jazz
[INFO] finished frobbing jazz-lang/Jazz
[INFO] frobbed toml for jazz-lang/Jazz written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jazz-lang/Jazz/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jazz-lang/Jazz against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jazz-lang/Jazz:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3a74ce5bd9b2e8a685aa18d0141f46a10cf5d4daff1b515ec8f001ff6d37aa24
[INFO] running `"docker" "start" "-a" "3a74ce5bd9b2e8a685aa18d0141f46a10cf5d4daff1b515ec8f001ff6d37aa24"`
[INFO] [stderr]     Checking hmap v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking jazz v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Keyword`
[INFO] [stderr]  --> src/lexer.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::{Const, Keyword, Token};
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Keyword`
[INFO] [stderr]  --> src/lexer.rs:1:25
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::{Const, Keyword, Token};
[INFO] [stderr]   |                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ast.rs:251:7
[INFO] [stderr]     |
[INFO] [stderr] 251 |       TokenKind::Const(Const::Bool(true)) => "true",
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ast.rs:252:7
[INFO] [stderr]     |
[INFO] [stderr] 252 |       TokenKind::Const(Const::Bool(false)) => "false",
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ast.rs:251:7
[INFO] [stderr]     |
[INFO] [stderr] 251 |       TokenKind::Const(Const::Bool(true)) => "true",
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/ast.rs:252:7
[INFO] [stderr]     |
[INFO] [stderr] 252 |       TokenKind::Const(Const::Bool(false)) => "false",
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_import`
[INFO] [stderr]   --> src/parser.rs:65:3
[INFO] [stderr]    |
[INFO] [stderr] 65 |   fn parse_import(&mut self) -> EResult {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_import`
[INFO] [stderr]   --> src/parser.rs:65:3
[INFO] [stderr]    |
[INFO] [stderr] 65 |   fn parse_import(&mut self) -> EResult {
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TokenKind`, `Token`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use jazz::ast::{Token, TokenKind};
[INFO] [stderr]   |                 ^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jazz::lexer::Lexer`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use jazz::lexer::Lexer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TokenKind`, `Token`
[INFO] [stderr]  --> src/main.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use jazz::ast::{Token, TokenKind};
[INFO] [stderr]   |                 ^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jazz::lexer::Lexer`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use jazz::lexer::Lexer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.33s
[INFO] running `"docker" "inspect" "3a74ce5bd9b2e8a685aa18d0141f46a10cf5d4daff1b515ec8f001ff6d37aa24"`
[INFO] running `"docker" "rm" "-f" "3a74ce5bd9b2e8a685aa18d0141f46a10cf5d4daff1b515ec8f001ff6d37aa24"`
[INFO] [stdout] 3a74ce5bd9b2e8a685aa18d0141f46a10cf5d4daff1b515ec8f001ff6d37aa24