[INFO] cloning repository https://github.com/voidpirate/slang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voidpirate/slang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpirate%2Fslang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpirate%2Fslang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c9b58000a332279c3ed49fc450cf2fa099b9d42
[INFO] testing voidpirate/slang against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidpirate%2Fslang" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/voidpirate/slang on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/voidpirate/slang
[INFO] finished tweaking git repo https://github.com/voidpirate/slang
[INFO] tweaked toml for git repo https://github.com/voidpirate/slang written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/voidpirate/slang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e675191c3af0502e19ce494c46462cfbdcc85f3f8d8ee79a88eadddde2472507
[INFO] running `Command { std: "docker" "start" "-a" "e675191c3af0502e19ce494c46462cfbdcc85f3f8d8ee79a88eadddde2472507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e675191c3af0502e19ce494c46462cfbdcc85f3f8d8ee79a88eadddde2472507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e675191c3af0502e19ce494c46462cfbdcc85f3f8d8ee79a88eadddde2472507", kill_on_drop: false }`
[INFO] [stdout] e675191c3af0502e19ce494c46462cfbdcc85f3f8d8ee79a88eadddde2472507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa2ed2fa2d117b227e618e27d5e766f0317a6678475265c07f7354660bb48049
[INFO] running `Command { std: "docker" "start" "-a" "fa2ed2fa2d117b227e618e27d5e766f0317a6678475265c07f7354660bb48049", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling slang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "fa2ed2fa2d117b227e618e27d5e766f0317a6678475265c07f7354660bb48049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2ed2fa2d117b227e618e27d5e766f0317a6678475265c07f7354660bb48049", kill_on_drop: false }`
[INFO] [stdout] fa2ed2fa2d117b227e618e27d5e766f0317a6678475265c07f7354660bb48049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a54260577e73cbc708c5ddfda0b560e8bcba0bc3f08ec71a89602f748af5561f
[INFO] running `Command { std: "docker" "start" "-a" "a54260577e73cbc708c5ddfda0b560e8bcba0bc3f08ec71a89602f748af5561f", kill_on_drop: false }`
[INFO] [stderr]    Compiling slang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lexer.rs:321:32
[INFO] [stdout]     |
[INFO] [stdout] 321 |                         panic!(get_lexer_test_error(i, test_token, None, &lex))
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 321 |                         panic!("{}", get_lexer_test_error(i, test_token, None, &lex))
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 321 |                         std::panic::panic_any(get_lexer_test_error(i, test_token, None, &lex))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lexer.rs:325:32
[INFO] [stdout]     |
[INFO] [stdout] 325 |             Err(err) => panic!(err),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 325 |             Err(err) => panic!("{}", err),
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 325 |             Err(err) => std::panic::panic_any(err),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "a54260577e73cbc708c5ddfda0b560e8bcba0bc3f08ec71a89602f748af5561f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a54260577e73cbc708c5ddfda0b560e8bcba0bc3f08ec71a89602f748af5561f", kill_on_drop: false }`
[INFO] [stdout] a54260577e73cbc708c5ddfda0b560e8bcba0bc3f08ec71a89602f748af5561f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6ad9fcbcfdfcfe20b2231d59e687e97f2b4370e0b0ed96fb71700c994b5d3f8
[INFO] running `Command { std: "docker" "start" "-a" "a6ad9fcbcfdfcfe20b2231d59e687e97f2b4370e0b0ed96fb71700c994b5d3f8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] running 3 tests
[INFO] [stderr]    --> src/lexer.rs:321:32
[INFO] [stderr]     |
[INFO] [stderr] 321 |                         panic!(get_lexer_test_error(i, test_token, None, &lex))
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 321 |                         panic!("{}", get_lexer_test_error(i, test_token, None, &lex))
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 321 |                         std::panic::panic_any(get_lexer_test_error(i, test_token, None, &lex))
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/lexer.rs:325:32
[INFO] [stderr]     |
[INFO] [stderr] 325 |             Err(err) => panic!(err),
[INFO] [stderr]     |                                ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 325 |             Err(err) => panic!("{}", err),
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 325 |             Err(err) => std::panic::panic_any(err),
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slang-2b3022ee33183310)
[INFO] [stdout] test lexer::tests::empty_input_source ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slang-cbcdac2a07fb22ce)
[INFO] [stdout] test lexer::tests::none_input_source ... ok
[INFO] [stdout] test lexer::tests::next_token ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slang
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6ad9fcbcfdfcfe20b2231d59e687e97f2b4370e0b0ed96fb71700c994b5d3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ad9fcbcfdfcfe20b2231d59e687e97f2b4370e0b0ed96fb71700c994b5d3f8", kill_on_drop: false }`
[INFO] [stdout] a6ad9fcbcfdfcfe20b2231d59e687e97f2b4370e0b0ed96fb71700c994b5d3f8