[INFO] fetching crate nopanick 0.2.0...
[INFO] testing nopanick-0.2.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate nopanick 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate nopanick 0.2.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nopanick 0.2.0
[INFO] finished tweaking crates.io crate nopanick 0.2.0
[INFO] tweaked toml for crates.io crate nopanick 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate nopanick 0.2.0 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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f17ef9223c17744d8703ba899ca10f7e13b85fc893bfc513af94322d23e2478
[INFO] running `Command { std: "docker" "start" "-a" "3f17ef9223c17744d8703ba899ca10f7e13b85fc893bfc513af94322d23e2478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f17ef9223c17744d8703ba899ca10f7e13b85fc893bfc513af94322d23e2478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f17ef9223c17744d8703ba899ca10f7e13b85fc893bfc513af94322d23e2478", kill_on_drop: false }`
[INFO] [stdout] 3f17ef9223c17744d8703ba899ca10f7e13b85fc893bfc513af94322d23e2478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5fc7ed35b32ba9c223e20e717864c397cc5610d9f5d199117a649d7b480eac
[INFO] running `Command { std: "docker" "start" "-a" "3e5fc7ed35b32ba9c223e20e717864c397cc5610d9f5d199117a649d7b480eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling nopanick v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "3e5fc7ed35b32ba9c223e20e717864c397cc5610d9f5d199117a649d7b480eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5fc7ed35b32ba9c223e20e717864c397cc5610d9f5d199117a649d7b480eac", kill_on_drop: false }`
[INFO] [stdout] 3e5fc7ed35b32ba9c223e20e717864c397cc5610d9f5d199117a649d7b480eac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0b91ae32391748cbbf9d6b1e91c5417878c65a934a2bdd5133c600cc22fdd19
[INFO] running `Command { std: "docker" "start" "-a" "c0b91ae32391748cbbf9d6b1e91c5417878c65a934a2bdd5133c600cc22fdd19", kill_on_drop: false }`
[INFO] [stderr]    Compiling nopanick v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "c0b91ae32391748cbbf9d6b1e91c5417878c65a934a2bdd5133c600cc22fdd19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0b91ae32391748cbbf9d6b1e91c5417878c65a934a2bdd5133c600cc22fdd19", kill_on_drop: false }`
[INFO] [stdout] c0b91ae32391748cbbf9d6b1e91c5417878c65a934a2bdd5133c600cc22fdd19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ccfb22ca8c174e9735b985d49add25589a1d26cb755b953cd7f4b10683df672
[INFO] running `Command { std: "docker" "start" "-a" "8ccfb22ca8c174e9735b985d49add25589a1d26cb755b953cd7f4b10683df672", 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/nopanick-8ef4d02731752431)
[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 tests/test-nopanick.rs (/opt/rustwide/target/debug/deps/test_nopanick-7692c54768ae4a7d)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test tests::test_abs ... ok
[INFO] [stdout] test tests::test_add_euclid ... ok
[INFO] [stdout] test tests::test_basic ... ok
[INFO] [stdout] test tests::test_add ... ok
[INFO] [stdout] test tests::test_div ... ok
[INFO] [stdout] test tests::test_div_euclid ... ok
[INFO] [stdout] test tests::test_div_trait ... ok
[INFO] [stdout] test tests::test_ilog ... ok
[INFO] [stdout] test tests::test_ilog10 ... ok
[INFO] [stdout] test tests::test_ilog2 ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] test tests::test_neg ... ok
[INFO] [stdout] test tests::test_option ... ok
[INFO] [stdout] test tests::test_rem ... ok
[INFO] [stdout] test tests::test_rem_euclid ... ok
[INFO] [stdout] test tests::test_result ... ok
[INFO] [stdout] test tests::test_sub ... ok
[INFO] [stdout] test tests::test_sub_euclid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nopanick
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Nop::unwrap_nop (line 93) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 42) stdout ----
[INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stdout] unsafe precondition(s) violated: hint::unreachable_unchecked must never be reached
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558e7b388575 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stdout]    1:     0x558e7b388575 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558e7b388575 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x558e7b388575 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x558e7b3a562b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stdout]    5:     0x558e7b3a562b - core::fmt::write::h8bcd80919a02be29
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stdout]    6:     0x558e7b3867af - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stdout]    7:     0x558e7b38834e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x558e7b38834e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x558e7b3896b9 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stdout]   10:     0x558e7b3893fd - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stdout]   11:     0x558e7b389b53 - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:795:13
[INFO] [stdout]   12:     0x558e7b3899fb - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stdout]   13:     0x558e7b388a39 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   14:     0x558e7b389767 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stdout]   15:     0x558e7b36de80 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stdout]   16:     0x558e7b36de80 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stdout]   17:     0x558e7b36df12 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stdout]   18:     0x558e7b36e6d6 - core::hint::unreachable_unchecked::precondition_check::h2bff5080511fde83
[INFO] [stdout]   19:     0x558e7b36e6b6 - core::hint::unreachable_unchecked::h4b41f875749d6aad
[INFO] [stdout]   20:     0x558e7b36e794 - rust_out::main::h696a342f0ae7cd72
[INFO] [stdout]   21:     0x558e7b36e693 - core::ops::function::FnOnce::call_once::hacff659aa20c7b40
[INFO] [stdout]   22:     0x558e7b36e4e6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc6b8bea3112e884
[INFO] [stdout]   23:     0x558e7b36e539 - std::rt::lang_start::{{closure}}::h4db0ca8543e29a47
[INFO] [stdout]   24:     0x558e7b3841fd - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h239f0051f1e18680
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   25:     0x558e7b3841fd - std::panicking::try::do_call::hf7072797cbfea7fa
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   26:     0x558e7b3841fd - std::panicking::try::h3a37e38691a5244b
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   27:     0x558e7b3841fd - std::panic::catch_unwind::hc7cc1460e4236209
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   28:     0x558e7b3841fd - std::rt::lang_start_internal::{{closure}}::hce632608b277cffc
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:48
[INFO] [stdout]   29:     0x558e7b3841fd - std::panicking::try::do_call::hafc0f13e6abd9d79
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stdout]   30:     0x558e7b3841fd - std::panicking::try::h67b8f1800ef15799
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stdout]   31:     0x558e7b3841fd - std::panic::catch_unwind::he5b260dc522c68be
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stdout]   32:     0x558e7b3841fd - std::rt::lang_start_internal::hf119eb75d1ffe221
[INFO] [stdout]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/rt.rs:141:20
[INFO] [stdout]   33:     0x558e7b36e517 - std::rt::lang_start::ha9360cc92730957e
[INFO] [stdout]   34:     0x558e7b36e905 - main
[INFO] [stdout]   35:     0x7fc31ccc5d90 - <unknown>
[INFO] [stdout]   36:     0x7fc31ccc5e40 - __libc_start_main
[INFO] [stdout]   37:     0x558e7b36e415 - _start
[INFO] [stdout]   38:                0x0 - <unknown>
[INFO] [stdout] thread caused non-unwinding panic. aborting.
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 42)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "8ccfb22ca8c174e9735b985d49add25589a1d26cb755b953cd7f4b10683df672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ccfb22ca8c174e9735b985d49add25589a1d26cb755b953cd7f4b10683df672", kill_on_drop: false }`
[INFO] [stdout] 8ccfb22ca8c174e9735b985d49add25589a1d26cb755b953cd7f4b10683df672
