[INFO] fetching crate diced-py 0.1.3...
[INFO] testing diced-py-0.1.3 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] extracting crate diced-py 0.1.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate diced-py 0.1.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate diced-py 0.1.3
[INFO] tweaked toml for crates.io crate diced-py 0.1.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate diced-py 0.1.3 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate diced-py 0.1.3 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-macros v0.28.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.28.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.28.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.28.2
[INFO] [stderr]   Downloaded pyo3 v0.28.2
[INFO] [stderr]   Downloaded diced v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e
[INFO] running `Command { std: "docker" "start" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling diced v0.1.3
[INFO] [stderr]    Compiling pyo3-build-config v0.28.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling pyo3-ffi v0.28.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.28.2
[INFO] [stderr]    Compiling pyo3 v0.28.2
[INFO] [stderr]    Compiling pyo3-macros v0.28.2
[INFO] [stderr]    Compiling diced-py v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling diced-py v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests diced/lib.rs (/opt/rustwide/target/debug/deps/diced_py-57bd757ca769c2a2)
[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]      Running diced/tests/unittest.rs (/opt/rustwide/target/debug/deps/unittest-a9e638bde69adaf7)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (610) panicked at diced/tests/unittest.rs:22:10:
[INFO] [stderr] called `Option::unwrap()` on a `None` value
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x621c17b08db8 - std[929523f510218772]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x621c17b08db8 - std[929523f510218772]::backtrace_rs::backtrace::trace_unsynchronized::<std[929523f510218772]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x621c17b08db8 - std[929523f510218772]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x621c17b08db8 - <<std[929523f510218772]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[28b146924c2f19c6]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x621c17b1a94a - <core[28b146924c2f19c6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x621c17b1a94a - core[28b146924c2f19c6]::fmt::write
[INFO] [stderr]    6:     0x621c17b0cae2 - std[929523f510218772]::io::default_write_fmt::<std[929523f510218772]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:622:11
[INFO] [stderr]    7:     0x621c17b0cae2 - <std[929523f510218772]::sys::stdio::unix::Stderr as std[929523f510218772]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/io/mod.rs:1977:13
[INFO] [stderr]    8:     0x621c17af3b36 - <std[929523f510218772]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x621c17af3b36 - std[929523f510218772]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x621c17b04551 - std[929523f510218772]::panicking::default_hook
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x621c17b047cb - std[929523f510218772]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:825:13
[INFO] [stderr]   12:     0x621c17af3c24 - std[929523f510218772]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:691:13
[INFO] [stderr]   13:     0x621c17ae90d9 - std[929523f510218772]::sys::backtrace::__rust_end_short_backtrace::<std[929523f510218772]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   14:     0x621c17af44dd - __rustc[acf6043c977865fb]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:689:5
[INFO] [stderr]   15:     0x621c17b1b09c - core[28b146924c2f19c6]::panicking::panic_fmt
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:80:14
[INFO] [stderr]   16:     0x621c17b1b062 - core[28b146924c2f19c6]::panicking::panic
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/panicking.rs:150:5
[INFO] [stderr]   17:     0x621c17b1adb9 - core[28b146924c2f19c6]::option::unwrap_failed
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/option.rs:2252:5
[INFO] [stderr]   18:     0x621c17a6cab9 - <core[28b146924c2f19c6]::option::Option<&std[929523f510218772]::path::Path>>::unwrap
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/option.rs:1013:21
[INFO] [stderr]   19:     0x621c17a6cab9 - unittest[d9f065f2ce305d6a]::main
[INFO] [stderr]                                at /opt/rustwide/workdir/diced/tests/unittest.rs:22:10
[INFO] [stderr]   20:     0x621c17a6e112 - <fn() -> core[28b146924c2f19c6]::result::Result<(), pyo3[3ff2f9098ee6449d]::err::PyErr> as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   21:     0x621c17a6a6d6 - std[929523f510218772]::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core[28b146924c2f19c6]::result::Result<(), pyo3[3ff2f9098ee6449d]::err::PyErr>, core[28b146924c2f19c6]::result::Result<(), pyo3[3ff2f9098ee6449d]::err::PyErr>>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   22:     0x621c17a6b9d4 - std[929523f510218772]::rt::lang_start::<core[28b146924c2f19c6]::result::Result<(), pyo3[3ff2f9098ee6449d]::err::PyErr>>::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:206:18
[INFO] [stderr]   23:     0x621c17b03ce7 - <&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync as core[28b146924c2f19c6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   24:     0x621c17b03ce7 - std[929523f510218772]::panicking::catch_unwind::do_call::<&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync, i32>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stderr]   25:     0x621c17b03ce7 - std[929523f510218772]::panicking::catch_unwind::<i32, &dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stderr]   26:     0x621c17b03ce7 - std[929523f510218772]::panic::catch_unwind::<&dyn core[28b146924c2f19c6]::ops::function::Fn<(), Output = i32> + core[28b146924c2f19c6]::panic::unwind_safe::RefUnwindSafe + core[28b146924c2f19c6]::marker::Sync, i32>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stderr]   27:     0x621c17b03ce7 - std[929523f510218772]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:175:24
[INFO] [stderr]   28:     0x621c17b03ce7 - std[929523f510218772]::panicking::catch_unwind::do_call::<std[929523f510218772]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:581:40
[INFO] [stderr]   29:     0x621c17b03ce7 - std[929523f510218772]::panicking::catch_unwind::<isize, std[929523f510218772]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panicking.rs:544:19
[INFO] [stderr]   30:     0x621c17b03ce7 - std[929523f510218772]::panic::catch_unwind::<std[929523f510218772]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/panic.rs:359:14
[INFO] [stderr]   31:     0x621c17b03ce7 - std[929523f510218772]::rt::lang_start_internal
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:171:5
[INFO] [stderr]   32:     0x621c17a6a6b7 - std[929523f510218772]::rt::lang_start::<core[28b146924c2f19c6]::result::Result<(), pyo3[3ff2f9098ee6449d]::err::PyErr>>
[INFO] [stderr]                                at /rustc/cced03bfd61a304243a34504618ecec86c17063f/library/std/src/rt.rs:205:5
[INFO] [stderr]   33:     0x621c17a6e2be - main
[INFO] [stderr]   34:     0x71a7b2b611ca - <unknown>
[INFO] [stderr]   35:     0x71a7b2b6128b - __libc_start_main
[INFO] [stderr]   36:     0x621c17a6a225 - _start
[INFO] [stderr]   37:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test unittest`
[INFO] running `Command { std: "docker" "inspect" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e", kill_on_drop: false }`
[INFO] [stdout] bf02fa451c292f55a2eeacab0d3dc8d43d053e948cbb1ec028b07eca255c520e
