[INFO] fetching crate mcrs 0.4.3... [INFO] testing mcrs-0.4.3 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate mcrs 0.4.3 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate mcrs 0.4.3 [INFO] finished tweaking crates.io crate mcrs 0.4.3 [INFO] tweaked toml for crates.io crate mcrs 0.4.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcrs 0.4.3 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcrs 0.4.3 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 93af44031330c12be9dda6dc5f9ff5f62c1da814af92ca8790ad6b01d7a482c0 [INFO] running `Command { std: "docker" "start" "-a" "93af44031330c12be9dda6dc5f9ff5f62c1da814af92ca8790ad6b01d7a482c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93af44031330c12be9dda6dc5f9ff5f62c1da814af92ca8790ad6b01d7a482c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93af44031330c12be9dda6dc5f9ff5f62c1da814af92ca8790ad6b01d7a482c0", kill_on_drop: false }` [INFO] [stdout] 93af44031330c12be9dda6dc5f9ff5f62c1da814af92ca8790ad6b01d7a482c0 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 91f06f4c331c4a37355cebe8fbd2b4a5e1d3432bba63775024438d1cbf5fce94 [INFO] running `Command { std: "docker" "start" "-a" "91f06f4c331c4a37355cebe8fbd2b4a5e1d3432bba63775024438d1cbf5fce94", kill_on_drop: false }` [INFO] [stderr] Compiling mcrs v0.4.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "91f06f4c331c4a37355cebe8fbd2b4a5e1d3432bba63775024438d1cbf5fce94", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91f06f4c331c4a37355cebe8fbd2b4a5e1d3432bba63775024438d1cbf5fce94", kill_on_drop: false }` [INFO] [stdout] 91f06f4c331c4a37355cebe8fbd2b4a5e1d3432bba63775024438d1cbf5fce94 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d307b881cab30249ec59409b121210848868619d89626802d915c5d96544dbd7 [INFO] running `Command { std: "docker" "start" "-a" "d307b881cab30249ec59409b121210848868619d89626802d915c5d96544dbd7", kill_on_drop: false }` [INFO] [stderr] Compiling mcrs v0.4.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s [INFO] running `Command { std: "docker" "inspect" "d307b881cab30249ec59409b121210848868619d89626802d915c5d96544dbd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d307b881cab30249ec59409b121210848868619d89626802d915c5d96544dbd7", kill_on_drop: false }` [INFO] [stdout] d307b881cab30249ec59409b121210848868619d89626802d915c5d96544dbd7 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 48e7ae16657c1553e76af543fcc37d7e4940f177ec0813a8922cd449331be758 [INFO] running `Command { std: "docker" "start" "-a" "48e7ae16657c1553e76af543fcc37d7e4940f177ec0813a8922cd449331be758", 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/mcrs-7e36d8a0b9e97dfa) [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 mcrs [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 9) ... FAILED [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 9) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (39) panicked at src/lib.rs:6:32: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 111, kind: ConnectionRefused, message: "Connection refused" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55c7b522f2f2 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x55c7b522f2f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x55c7b522f2f2 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x55c7b522f2f2 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x55c7b523e3cf - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x55c7b523e3cf - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x55c7b520cec3 - std::io::default_write_fmt::hb29d13affe7e9cd0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x55c7b520cec3 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x55c7b5212c52 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x55c7b521447c - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x55c7b52142d6 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x55c7b5214a55 - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x55c7b52148ea - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x55c7b5212d89 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x55c7b520192d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x55c7b52425f0 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x55c7b5241e06 - core::result::unwrap_failed::h72ee8fcbf1bf8ff9 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x55c7b51fd427 - rust_out::main::_doctest_main_src_lib_rs_9_0::hdecf0cffb92aa6d3 [INFO] [stdout] 18: 0x55c7b51fd376 - rust_out::main::h583ff58340d718d9 [INFO] [stdout] 19: 0x55c7b51fca03 - core::ops::function::FnOnce::call_once::h14c180921ac1da5e [INFO] [stdout] 20: 0x55c7b51fc9b6 - std::sys::backtrace::__rust_begin_short_backtrace::h6b98eb9b1ad88857 [INFO] [stdout] 21: 0x55c7b51fc999 - std::rt::lang_start::{{closure}}::h2fc95fa84f0c83a2 [INFO] [stdout] 22: 0x55c7b520e070 - core::ops::function::impls:: for &F>::call_once::h9095abc9db71b07e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x55c7b520e070 - std::panicking::catch_unwind::do_call::h6cf5dc461761418c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x55c7b520e070 - std::panicking::catch_unwind::h60074fd2327f40bd [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x55c7b520e070 - std::panic::catch_unwind::heb14fa8e39d051cf [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x55c7b520e070 - std::rt::lang_start_internal::{{closure}}::hfb550bec36306a19 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x55c7b520e070 - std::panicking::catch_unwind::do_call::hc805f36f35b6d647 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x55c7b520e070 - std::panicking::catch_unwind::hb8d32f0195463ad2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x55c7b520e070 - std::panic::catch_unwind::hcebe3b1d5adfc5a2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x55c7b520e070 - std::rt::lang_start_internal::h27f55ed238aa26df [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x55c7b51fc981 - std::rt::lang_start::h762c340aaede70f7 [INFO] [stdout] 32: 0x55c7b51fd5d5 - main [INFO] [stdout] 33: 0x7e35df5411ca - [INFO] [stdout] 34: 0x7e35df54128b - __libc_start_main [INFO] [stdout] 35: 0x55c7b51fc895 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 9) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.21s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "48e7ae16657c1553e76af543fcc37d7e4940f177ec0813a8922cd449331be758", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48e7ae16657c1553e76af543fcc37d7e4940f177ec0813a8922cd449331be758", kill_on_drop: false }` [INFO] [stdout] 48e7ae16657c1553e76af543fcc37d7e4940f177ec0813a8922cd449331be758