[INFO] fetching crate expression_simplify 1.0.1... [INFO] testing expression_simplify-1.0.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate expression_simplify 1.0.1 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate expression_simplify 1.0.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 11ecb15b4739a6ca11a90dab4c201e1a96c968540603c6f24b77f3933481f3e1 [INFO] running `Command { std: "docker" "start" "-a" "11ecb15b4739a6ca11a90dab4c201e1a96c968540603c6f24b77f3933481f3e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "11ecb15b4739a6ca11a90dab4c201e1a96c968540603c6f24b77f3933481f3e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11ecb15b4739a6ca11a90dab4c201e1a96c968540603c6f24b77f3933481f3e1", kill_on_drop: false }` [INFO] [stdout] 11ecb15b4739a6ca11a90dab4c201e1a96c968540603c6f24b77f3933481f3e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] deecabe407b4420edd4e274b8452e5fef91ac5c2ef6683a77830ce99f7a7590c [INFO] running `Command { std: "docker" "start" "-a" "deecabe407b4420edd4e274b8452e5fef91ac5c2ef6683a77830ce99f7a7590c", 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 0.67s [INFO] running `Command { std: "docker" "inspect" "deecabe407b4420edd4e274b8452e5fef91ac5c2ef6683a77830ce99f7a7590c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deecabe407b4420edd4e274b8452e5fef91ac5c2ef6683a77830ce99f7a7590c", kill_on_drop: false }` [INFO] [stdout] deecabe407b4420edd4e274b8452e5fef91ac5c2ef6683a77830ce99f7a7590c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf376b4910e4b47cbad1c1e2d7733e9964d2fbdc77d9cfefd026ab0e8e1789be [INFO] running `Command { std: "docker" "start" "-a" "bf376b4910e4b47cbad1c1e2d7733e9964d2fbdc77d9cfefd026ab0e8e1789be", 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 0.53s [INFO] running `Command { std: "docker" "inspect" "bf376b4910e4b47cbad1c1e2d7733e9964d2fbdc77d9cfefd026ab0e8e1789be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf376b4910e4b47cbad1c1e2d7733e9964d2fbdc77d9cfefd026ab0e8e1789be", kill_on_drop: false }` [INFO] [stdout] bf376b4910e4b47cbad1c1e2d7733e9964d2fbdc77d9cfefd026ab0e8e1789be [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5ed5e3f2dc6d4873eefe6ab08505adb57958e701018c709096bbba1b7f5aad38 [INFO] running `Command { std: "docker" "start" "-a" "5ed5e3f2dc6d4873eefe6ab08505adb57958e701018c709096bbba1b7f5aad38", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [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-d9a468060535b454) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stderr] Doc-tests expression_simplify [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 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' (40) panicked at src/simplifier/simplify/mod.rs:52:21: [INFO] [stdout] attempt to subtract with overflow [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5aa0bdb42b7a - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5aa0bdb42b7a - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5aa0bdb42b7a - std[e72de78501789eb0]::sys::backtrace::_print_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9 [INFO] [stdout] 3: 0x5aa0bdb42b7a - <::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26 [INFO] [stdout] 4: 0x5aa0bdb53b0a - ::fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76 [INFO] [stdout] 5: 0x5aa0bdb53b0a - core[6aaeda2c7ad07a48]::fmt::write [INFO] [stdout] 6: 0x5aa0bdb468d2 - std[e72de78501789eb0]::io::default_write_fmt:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5aa0bdb468d2 - ::write_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13 [INFO] [stdout] 8: 0x5aa0bdb2de9f - ::print [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9 [INFO] [stdout] 9: 0x5aa0bdb2de9f - std[e72de78501789eb0]::panicking::default_hook::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27 [INFO] [stdout] 10: 0x5aa0bdb3e801 - std[e72de78501789eb0]::panicking::default_hook [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:319:9 [INFO] [stdout] 11: 0x5aa0bdb3e9bb - std[e72de78501789eb0]::panicking::panic_with_hook [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:825:13 [INFO] [stdout] 12: 0x5aa0bdb2df8a - std[e72de78501789eb0]::panicking::panic_handler::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:691:13 [INFO] [stdout] 13: 0x5aa0bdb25ad9 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18 [INFO] [stdout] 14: 0x5aa0bdb2e93d - __rustc[78a4cf188af856fc]::rust_begin_unwind [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5 [INFO] [stdout] 15: 0x5aa0bdb5423c - core[6aaeda2c7ad07a48]::panicking::panic_fmt [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5aa0bdb55119 - core[6aaeda2c7ad07a48]::panicking::panic_const::panic_const_sub_overflow [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:175:17 [INFO] [stdout] 17: 0x5aa0bdb0696b - expression_simplify[1aeda5578040381]::simplifier::simplify::simplifier_module::delete_pre_add [INFO] [stdout] at /opt/rustwide/workdir/src/simplifier/simplify/mod.rs:52:21 [INFO] [stdout] 18: 0x5aa0bdb06887 - expression_simplify[1aeda5578040381]::simplifier::simplify::simplifier_module::presimplify [INFO] [stdout] at /opt/rustwide/workdir/src/simplifier/simplify/mod.rs:6:9 [INFO] [stdout] 19: 0x5aa0bdb060f2 - expression_simplify[1aeda5578040381]::simplifier::inputhandler::input_handler::read_input [INFO] [stdout] at /opt/rustwide/workdir/src/simplifier/inputhandler/mod.rs:12:9 [INFO] [stdout] 20: 0x5aa0bdb03ca7 - rust_out[992bb7df40d5d539]::main [INFO] [stdout] 21: 0x5aa0bdb03cc3 - >::call_once [INFO] [stdout] 22: 0x5aa0bdb03c66 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace:: [INFO] [stdout] 23: 0x5aa0bdb03c79 - std[e72de78501789eb0]::rt::lang_start::<()>::{closure#0} [INFO] [stdout] 24: 0x5aa0bdb3df84 - <&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 25: 0x5aa0bdb3df84 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stdout] 26: 0x5aa0bdb3df84 - std[e72de78501789eb0]::panicking::catch_unwind:: + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stdout] 27: 0x5aa0bdb3df84 - std[e72de78501789eb0]::panic::catch_unwind::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32> [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stdout] 28: 0x5aa0bdb3df84 - std[e72de78501789eb0]::rt::lang_start_internal::{closure#0} [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:175:24 [INFO] [stdout] 29: 0x5aa0bdb3df84 - std[e72de78501789eb0]::panicking::catch_unwind::do_call:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40 [INFO] [stdout] 30: 0x5aa0bdb3df84 - std[e72de78501789eb0]::panicking::catch_unwind:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19 [INFO] [stdout] 31: 0x5aa0bdb3df84 - std[e72de78501789eb0]::panic::catch_unwind:: [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14 [INFO] [stdout] 32: 0x5aa0bdb3df84 - std[e72de78501789eb0]::rt::lang_start_internal [INFO] [stdout] at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:171:5 [INFO] [stdout] 33: 0x5aa0bdb03c51 - std[e72de78501789eb0]::rt::lang_start::<()> [INFO] [stdout] 34: 0x5aa0bdb03d25 - main [INFO] [stdout] 35: 0x7660567501ca - [INFO] [stdout] 36: 0x76605675028b - __libc_start_main [INFO] [stdout] 37: 0x5aa0bdb03b65 - _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 0.61s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "5ed5e3f2dc6d4873eefe6ab08505adb57958e701018c709096bbba1b7f5aad38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ed5e3f2dc6d4873eefe6ab08505adb57958e701018c709096bbba1b7f5aad38", kill_on_drop: false }` [INFO] [stdout] 5ed5e3f2dc6d4873eefe6ab08505adb57958e701018c709096bbba1b7f5aad38