[INFO] cloning repository https://github.com/hkoosha/toylang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hkoosha/toylang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkoosha%2Ftoylang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkoosha%2Ftoylang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f6c7ea515c86c36fb0e2a5f11ce8aa874e7c43e
[INFO] testing hkoosha/toylang against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkoosha%2Ftoylang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hkoosha/toylang
[INFO] finished tweaking git repo https://github.com/hkoosha/toylang
[INFO] tweaked toml for git repo https://github.com/hkoosha/toylang written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hkoosha/toylang on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hkoosha/toylang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f03e7b105c261db4be603682c986f39ceed99ec859d07ee3a3169eb877ca673
[INFO] running `Command { std: "docker" "start" "-a" "9f03e7b105c261db4be603682c986f39ceed99ec859d07ee3a3169eb877ca673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f03e7b105c261db4be603682c986f39ceed99ec859d07ee3a3169eb877ca673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f03e7b105c261db4be603682c986f39ceed99ec859d07ee3a3169eb877ca673", kill_on_drop: false }`
[INFO] [stdout] 9f03e7b105c261db4be603682c986f39ceed99ec859d07ee3a3169eb877ca673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c8dccf7d6a1bdf7b403ea1b1c2f823fa4e9bf1f568a09aec48041cd05f7e160
[INFO] running `Command { std: "docker" "start" "-a" "6c8dccf7d6a1bdf7b403ea1b1c2f823fa4e9bf1f568a09aec48041cd05f7e160", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling toylang1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_take` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_take)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `Command { std: "docker" "inspect" "6c8dccf7d6a1bdf7b403ea1b1c2f823fa4e9bf1f568a09aec48041cd05f7e160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8dccf7d6a1bdf7b403ea1b1c2f823fa4e9bf1f568a09aec48041cd05f7e160", kill_on_drop: false }`
[INFO] [stdout] 6c8dccf7d6a1bdf7b403ea1b1c2f823fa4e9bf1f568a09aec48041cd05f7e160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a22e69c0ac71ce860a23adcc1c2761e95e8e6d9a966fffb91e6b8c1d1e013b32
[INFO] running `Command { std: "docker" "start" "-a" "a22e69c0ac71ce860a23adcc1c2761e95e8e6d9a966fffb91e6b8c1d1e013b32", kill_on_drop: false }`
[INFO] [stderr]    Compiling toylang1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_take` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_take)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_take` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(slice_take)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "a22e69c0ac71ce860a23adcc1c2761e95e8e6d9a966fffb91e6b8c1d1e013b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22e69c0ac71ce860a23adcc1c2761e95e8e6d9a966fffb91e6b8c1d1e013b32", kill_on_drop: false }`
[INFO] [stdout] a22e69c0ac71ce860a23adcc1c2761e95e8e6d9a966fffb91e6b8c1d1e013b32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2115a5fa4f263fe2cb60d4568d62903139812be5e499f137ae35acc50694aebd
[INFO] running `Command { std: "docker" "start" "-a" "2115a5fa4f263fe2cb60d4568d62903139812be5e499f137ae35acc50694aebd", kill_on_drop: false }`
[INFO] [stderr] warning: the feature `slice_take` has been stable since 1.87.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stderr]  --> src/lib.rs:2:12
[INFO] [stdout] running 20 tests
[INFO] [stderr]   |
[INFO] [stdout] test lang::lexer::v0::tests::test_empty ... ok
[INFO] [stderr] 2 | #![feature(slice_take)]
[INFO] [stdout] test lang::lexer::v0::tests::test_fn_and_id ... ok
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stdout] test lang::parser::rule::tests::test_invalid_infinitely_recursive_rule_case_1 ... ok
[INFO] [stderr]   |
[INFO] [stdout] test lang::parser::rule::tests::test_print_simple ... ok
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] test lang::parser::rule::tests::test_invalid_pointless_rule ... ok
[INFO] [stderr] 
[INFO] [stdout] test lang::parser::rule::tests::test_invalid_infinitely_recursive_rule_case_0 ... ok
[INFO] [stderr] warning: `toylang1` (lib) generated 1 warning
[INFO] [stdout] test lang::parser::rule::tests::test_print_circular_reference ... ok
[INFO] [stderr] warning: `toylang1` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test lang::parser::rule::tests::test_print_circular_self_reference ... ok
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] test lang::parser::rules::tests::test_epsilon_rule ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/toylang1-d2392bdf17a5f52c)
[INFO] [stdout] test lang::parser::rule::tests::test_valid_circular ... ok
[INFO] [stdout] test lang::parser::rules::tests::test_first_set ... ok
[INFO] [stdout] test lang::parser::rules::tests::test_eliminate_direct_left_recursions ... ok
[INFO] [stdout] test lang::parser::rules::tests::test_parse ... ok
[INFO] [stdout] test lang::parser::rules::tests::test_something0 ... ok
[INFO] [stdout] test lang::parser::rules::tests::test_eliminate_indirect_left_recursions1 ... ok
[INFO] [stdout] test lang::parser_impl::backtracking_parser::test::test_empty_program ... ok
[INFO] [stdout] test lang::parser::rule::tests::test_bad_rule_name ... ok
[INFO] [stdout] test lang::parser::rules::tests::test_something1 ... ok
[INFO] [stdout] test lang::parser::rules::tests::test_eliminate_indirect_left_recursions0 ... ok
[INFO] [stdout] test lang::lexer::v0::tests::test_id0 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/toylang1-0594ffe71b48873b)
[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] [stderr]    Doc-tests toylang1
[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" "2115a5fa4f263fe2cb60d4568d62903139812be5e499f137ae35acc50694aebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2115a5fa4f263fe2cb60d4568d62903139812be5e499f137ae35acc50694aebd", kill_on_drop: false }`
[INFO] [stdout] 2115a5fa4f263fe2cb60d4568d62903139812be5e499f137ae35acc50694aebd