[INFO] fetching crate mathcalculate 0.1.2...
[INFO] testing mathcalculate-0.1.2 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate mathcalculate 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mathcalculate 0.1.2 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mathcalculate 0.1.2
[INFO] finished tweaking crates.io crate mathcalculate 0.1.2
[INFO] tweaked toml for crates.io crate mathcalculate 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58e3dc4dafb05cc54057ec4d33fde63f104285e0949abb8febaacaca00d9ae6d
[INFO] running `Command { std: "docker" "start" "-a" "58e3dc4dafb05cc54057ec4d33fde63f104285e0949abb8febaacaca00d9ae6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58e3dc4dafb05cc54057ec4d33fde63f104285e0949abb8febaacaca00d9ae6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58e3dc4dafb05cc54057ec4d33fde63f104285e0949abb8febaacaca00d9ae6d", kill_on_drop: false }`
[INFO] [stdout] 58e3dc4dafb05cc54057ec4d33fde63f104285e0949abb8febaacaca00d9ae6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6a307cb5be3d9f0ce916a401385156068b48425365aded6f6161026fafbd09c
[INFO] running `Command { std: "docker" "start" "-a" "a6a307cb5be3d9f0ce916a401385156068b48425365aded6f6161026fafbd09c", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathcalculate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] running `Command { std: "docker" "inspect" "a6a307cb5be3d9f0ce916a401385156068b48425365aded6f6161026fafbd09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a307cb5be3d9f0ce916a401385156068b48425365aded6f6161026fafbd09c", kill_on_drop: false }`
[INFO] [stdout] a6a307cb5be3d9f0ce916a401385156068b48425365aded6f6161026fafbd09c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eb491b4aab7811082a4c8dc0cf2490d8d26fa3fefdd9935923c45b72354e60d
[INFO] running `Command { std: "docker" "start" "-a" "1eb491b4aab7811082a4c8dc0cf2490d8d26fa3fefdd9935923c45b72354e60d", kill_on_drop: false }`
[INFO] [stderr]    Compiling mathcalculate v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "1eb491b4aab7811082a4c8dc0cf2490d8d26fa3fefdd9935923c45b72354e60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb491b4aab7811082a4c8dc0cf2490d8d26fa3fefdd9935923c45b72354e60d", kill_on_drop: false }`
[INFO] [stdout] 1eb491b4aab7811082a4c8dc0cf2490d8d26fa3fefdd9935923c45b72354e60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2425e7b13af27300f382673ee14c911bd003a92d7bbba6e4c8415acf51e24c66
[INFO] running `Command { std: "docker" "start" "-a" "2425e7b13af27300f382673ee14c911bd003a92d7bbba6e4c8415acf51e24c66", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mathcalculate-2c7bf2c897d850a5)
[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 mathcalculate
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - divide (line 49) ... ok
[INFO] [stdout] test src/lib.rs - multiply (line 35) ... ok
[INFO] [stdout] test src/lib.rs - add (line 7) ... ok
[INFO] [stdout] test src/lib.rs - remove (line 21) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - remove (line 21) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:29:5:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556d64a6873a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x556d64a6873a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556d64a6873a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x556d64a6873a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x556d64a84773 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x556d64a84773 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x556d64a66073 - std::io::Write::write_fmt::hf1c1dcc8cc1287f0
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x556d64a68582 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x556d64a6954c - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x556d64a69392 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x556d64a69b47 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x556d64a699a6 - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:667:13
[INFO] [stdout]   12:     0x556d64a68c19 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x556d64a6966c - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x556d64a83ab0 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   15:     0x556d64a87ef7 - core::panicking::panic_const::panic_const_sub_overflow::hb1cfbf3f4517d8b2
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:186:21
[INFO] [stdout]   16:     0x556d64a48be6 - mathcalculate::remove::h433403eeb575bec3
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:29:5
[INFO] [stdout]   17:     0x556d64a48ad4 - rust_out::main::ha213a30daa5df4da
[INFO] [stdout]   18:     0x556d64a48aa3 - core::ops::function::FnOnce::call_once::hf7edf7132571051c
[INFO] [stdout]   19:     0x556d64a48a06 - std::sys::backtrace::__rust_begin_short_backtrace::h32fd822fd2ba4079
[INFO] [stdout]   20:     0x556d64a489e9 - std::rt::lang_start::{{closure}}::h4039a1c394ed4f7c
[INFO] [stdout]   21:     0x556d64a63c07 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd87d66b906e0ccaf
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   22:     0x556d64a63c07 - std::panicking::try::do_call::hae3703de71fc9e3a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   23:     0x556d64a63c07 - std::panicking::try::h1178330e9a2b2645
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   24:     0x556d64a63c07 - std::panic::catch_unwind::h0acf49d2305d32ad
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   25:     0x556d64a63c07 - std::rt::lang_start_internal::{{closure}}::h2d95182d798177be
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:48
[INFO] [stdout]   26:     0x556d64a63c07 - std::panicking::try::do_call::hb506f5bfe11fd30c
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x556d64a63c07 - std::panicking::try::h54d825c46bd0fa95
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x556d64a63c07 - std::panic::catch_unwind::hffbb0ad20c4e9fac
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x556d64a63c07 - std::rt::lang_start_internal::h52c291ef1962c925
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:20
[INFO] [stdout]   30:     0x556d64a489c7 - std::rt::lang_start::h8c6075cd6f225ba1
[INFO] [stdout]   31:     0x556d64a48b55 - main
[INFO] [stdout]   32:     0x768e79b8fd90 - <unknown>
[INFO] [stdout]   33:     0x768e79b8fe40 - __libc_start_main
[INFO] [stdout]   34:     0x556d64a488d5 - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - remove (line 21)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2425e7b13af27300f382673ee14c911bd003a92d7bbba6e4c8415acf51e24c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2425e7b13af27300f382673ee14c911bd003a92d7bbba6e4c8415acf51e24c66", kill_on_drop: false }`
[INFO] [stdout] 2425e7b13af27300f382673ee14c911bd003a92d7bbba6e4c8415acf51e24c66
