[INFO] fetching crate expression_simplify 1.0.1... [INFO] testing expression_simplify-1.0.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate expression_simplify 1.0.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate expression_simplify 1.0.1 [INFO] finished tweaking crates.io crate expression_simplify 1.0.1 [INFO] tweaked toml for crates.io crate expression_simplify 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate expression_simplify 1.0.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate expression_simplify 1.0.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1826028ee32afeb1f937161a1269fe6fade3efaa8d9e52efa08e9776b4a698c [INFO] running `Command { std: "docker" "start" "-a" "c1826028ee32afeb1f937161a1269fe6fade3efaa8d9e52efa08e9776b4a698c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1826028ee32afeb1f937161a1269fe6fade3efaa8d9e52efa08e9776b4a698c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1826028ee32afeb1f937161a1269fe6fade3efaa8d9e52efa08e9776b4a698c", kill_on_drop: false }` [INFO] [stdout] c1826028ee32afeb1f937161a1269fe6fade3efaa8d9e52efa08e9776b4a698c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72e2ddaf1d862581d4bd35c71ede119268d3fd88213b498dfea7d2968671a16b [INFO] running `Command { std: "docker" "start" "-a" "72e2ddaf1d862581d4bd35c71ede119268d3fd88213b498dfea7d2968671a16b", kill_on_drop: false }` [INFO] [stderr] Compiling expression_simplify v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "72e2ddaf1d862581d4bd35c71ede119268d3fd88213b498dfea7d2968671a16b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72e2ddaf1d862581d4bd35c71ede119268d3fd88213b498dfea7d2968671a16b", kill_on_drop: false }` [INFO] [stdout] 72e2ddaf1d862581d4bd35c71ede119268d3fd88213b498dfea7d2968671a16b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a049cce116b2346970f0a828c22bad1ad16384f0a137bf6e666ed1000964761d [INFO] running `Command { std: "docker" "start" "-a" "a049cce116b2346970f0a828c22bad1ad16384f0a137bf6e666ed1000964761d", kill_on_drop: false }` [INFO] [stderr] Compiling expression_simplify v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "a049cce116b2346970f0a828c22bad1ad16384f0a137bf6e666ed1000964761d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a049cce116b2346970f0a828c22bad1ad16384f0a137bf6e666ed1000964761d", kill_on_drop: false }` [INFO] [stdout] a049cce116b2346970f0a828c22bad1ad16384f0a137bf6e666ed1000964761d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 799f0e00b58a76ca00d36797d96de9a0352b7ddfdb8bb5576d476c41d6e2145f [INFO] running `Command { std: "docker" "start" "-a" "799f0e00b58a76ca00d36797d96de9a0352b7ddfdb8bb5576d476c41d6e2145f", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/expression_simplify-b452e3fc0bf833ab) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test simplifier::parse::lexer::lexer_module::lexer_test::test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/expression_simplify-4483557c571d3a31) [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] [stderr] Doc-tests expression_simplify [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 7) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 7) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stdout: [INFO] [stdout] Enter the expression you want to simplify: [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (58) panicked at src/simplifier/simplify/mod.rs:52:21: [INFO] [stdout] attempt to subtract with overflow [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x63e8845f22d2 - std::backtrace_rs::backtrace::libunwind::trace::h7cddb8376417e7cc [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x63e8845f22d2 - std::backtrace_rs::backtrace::trace_unsynchronized::hb4e41acf4b349ff1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x63e8845f22d2 - std::sys::backtrace::_print_fmt::h1222b80910ba6eb5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x63e8845f22d2 - ::fmt::h5bb8a979ba5db788 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x63e88460180f - core::fmt::rt::Argument::fmt::h2ee2c138a50a7796 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x63e88460180f - core::fmt::write::h1e0dbf07fe3990bd [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x63e8845cf343 - std::io::default_write_fmt::hb0810a37865e52a5 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x63e8845cf343 - std::io::Write::write_fmt::h12c8908aaac7ca22 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x63e8845d4fd2 - std::sys::backtrace::BacktraceLock::print::h788d486777205086 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x63e8845d6b7c - std::panicking::default_hook::{{closure}}::ha7bdfeb5949fc0fa [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x63e8845d69d6 - std::panicking::default_hook::h6dad75ec721846f4 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x63e8845d7155 - std::panicking::panic_with_hook::hba00e869ada17676 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x63e8845d6fb6 - std::panicking::panic_handler::{{closure}}::h3d21149c258e5ceb [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:700:13 [INFO] [stdout] 13: 0x63e8845d5109 - std::sys::backtrace::__rust_end_short_backtrace::h4f5d9b9dfb3e6ec1 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x63e8845c381d - __rustc[9a7a9f9af7564de1]::rust_begin_unwind [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x63e884604e70 - core::panicking::panic_fmt::h78e817a90331d98b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x63e884604b27 - core::panicking::panic_const::panic_const_sub_overflow::h0486429ba595f97b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/panicking.rs:175:17 [INFO] [stdout] 17: 0x63e8845bc3db - expression_simplify::simplifier::simplify::simplifier_module::delete_pre_add::h5c53b1660c1becdd [INFO] [stdout] at /opt/rustwide/workdir/src/simplifier/simplify/mod.rs:52:21 [INFO] [stdout] 18: 0x63e8845bc2c7 - expression_simplify::simplifier::simplify::simplifier_module::presimplify::hc04e64cf607cc6ec [INFO] [stdout] at /opt/rustwide/workdir/src/simplifier/simplify/mod.rs:6:9 [INFO] [stdout] 19: 0x63e8845ad130 - expression_simplify::simplifier::inputhandler::input_handler::read_input::h82e366b9be3cb211 [INFO] [stdout] at /opt/rustwide/workdir/src/simplifier/inputhandler/mod.rs:12:9 [INFO] [stdout] 20: 0x63e8845ac9e7 - rust_out::main::hb2c1f26112d8e974 [INFO] [stdout] 21: 0x63e8845ac983 - core::ops::function::FnOnce::call_once::h01e49b384cd31373 [INFO] [stdout] 22: 0x63e8845ac966 - std::sys::backtrace::__rust_begin_short_backtrace::hc341f747de1a6e5f [INFO] [stdout] 23: 0x63e8845ac949 - std::rt::lang_start::{{closure}}::h5855c6a947873adf [INFO] [stdout] 24: 0x63e8845d0ac0 - core::ops::function::impls:: for &F>::call_once::h1dc0a50e6295ec78 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 25: 0x63e8845d0ac0 - std::panicking::catch_unwind::do_call::h209f742e9999044e [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 26: 0x63e8845d0ac0 - std::panicking::catch_unwind::h508c6e2aa6d72749 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 27: 0x63e8845d0ac0 - std::panic::catch_unwind::hebcbb24aa9914693 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x63e8845d0ac0 - std::rt::lang_start_internal::{{closure}}::h703cbe32967ef209 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x63e8845d0ac0 - std::panicking::catch_unwind::do_call::hf50f2a30bce4e10b [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:590:40 [INFO] [stdout] 30: 0x63e8845d0ac0 - std::panicking::catch_unwind::hac448d7e3b12daa3 [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panicking.rs:553:19 [INFO] [stdout] 31: 0x63e8845d0ac0 - std::panic::catch_unwind::ha9d74a13d77f299c [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x63e8845d0ac0 - std::rt::lang_start_internal::ha26d244788d1956d [INFO] [stdout] at /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x63e8845ac931 - std::rt::lang_start::h75941d661fa88314 [INFO] [stdout] 34: 0x63e8845aca05 - main [INFO] [stdout] 35: 0x7c8e5eb881ca - [INFO] [stdout] 36: 0x7c8e5eb8828b - __libc_start_main [INFO] [stdout] 37: 0x63e8845ac845 - _start [INFO] [stdout] 38: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 7) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "799f0e00b58a76ca00d36797d96de9a0352b7ddfdb8bb5576d476c41d6e2145f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "799f0e00b58a76ca00d36797d96de9a0352b7ddfdb8bb5576d476c41d6e2145f", kill_on_drop: false }` [INFO] [stdout] 799f0e00b58a76ca00d36797d96de9a0352b7ddfdb8bb5576d476c41d6e2145f