[INFO] fetching crate mrt-rs 2.0.1... [INFO] testing mrt-rs-2.0.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate mrt-rs 2.0.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate mrt-rs 2.0.1 [INFO] finished tweaking crates.io crate mrt-rs 2.0.1 [INFO] tweaked toml for crates.io crate mrt-rs 2.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mrt-rs 2.0.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cddc2c6ae683d935e2cae54f5ca2cb69b215b0c56d773ffc87cf61984617e855 [INFO] running `Command { std: "docker" "start" "-a" "cddc2c6ae683d935e2cae54f5ca2cb69b215b0c56d773ffc87cf61984617e855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cddc2c6ae683d935e2cae54f5ca2cb69b215b0c56d773ffc87cf61984617e855", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cddc2c6ae683d935e2cae54f5ca2cb69b215b0c56d773ffc87cf61984617e855", kill_on_drop: false }` [INFO] [stdout] cddc2c6ae683d935e2cae54f5ca2cb69b215b0c56d773ffc87cf61984617e855 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce4ec59383d2fe05f27b7b31f0a81f0256a12b282e7ceb087876487302c59adf [INFO] running `Command { std: "docker" "start" "-a" "ce4ec59383d2fe05f27b7b31f0a81f0256a12b282e7ceb087876487302c59adf", kill_on_drop: false }` [INFO] [stderr] Compiling mrt-rs v2.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "ce4ec59383d2fe05f27b7b31f0a81f0256a12b282e7ceb087876487302c59adf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce4ec59383d2fe05f27b7b31f0a81f0256a12b282e7ceb087876487302c59adf", kill_on_drop: false }` [INFO] [stdout] ce4ec59383d2fe05f27b7b31f0a81f0256a12b282e7ceb087876487302c59adf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a856c558957e03f55f222558d32cfe1fc20d2ef0cc553b1e345c7a20a242096 [INFO] running `Command { std: "docker" "start" "-a" "1a856c558957e03f55f222558d32cfe1fc20d2ef0cc553b1e345c7a20a242096", kill_on_drop: false }` [INFO] [stderr] Compiling mrt-rs v2.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "1a856c558957e03f55f222558d32cfe1fc20d2ef0cc553b1e345c7a20a242096", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a856c558957e03f55f222558d32cfe1fc20d2ef0cc553b1e345c7a20a242096", kill_on_drop: false }` [INFO] [stdout] 1a856c558957e03f55f222558d32cfe1fc20d2ef0cc553b1e345c7a20a242096 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e66ab43e18c92de553a4a743d3d3d1a40b85d3707803db0ccc50dd133378b65a [INFO] running `Command { std: "docker" "start" "-a" "e66ab43e18c92de553a4a743d3d3d1a40b85d3707803db0ccc50dd133378b65a", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mrt_rs-730c8866e8bfcce2) [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 mrt_rs [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 8) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 8) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (56) panicked at src/lib.rs:10:51: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x57c375c5e082 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x57c375c5e082 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x57c375c5e082 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x57c375c5e082 - ::fmt::h4ee3a75aa71a2c45 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x57c375c7a99f - core::fmt::rt::Argument::fmt::h6f1564705cd089af [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x57c375c7a99f - core::fmt::write::h21ca93b65a7c281a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x57c375c50063 - std::io::default_write_fmt::h745a1edf2999cb3b [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x57c375c50063 - std::io::Write::write_fmt::hfc56e66d6e189682 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x57c375c5e6d2 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x57c375c4d4dc - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x57c375c4d31c - std::panicking::default_hook::hccb5e73b206c0830 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x57c375c4e07a - std::panicking::panic_with_hook::h3190ecc6229cdd29 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x57c375c5e4da - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x57c375c5e439 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x57c375c4dddd - __rustc[a93bd50104b99ad4]::rust_begin_unwind [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x57c375c7e460 - core::panicking::panic_fmt::hc70c3c83f13c1375 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x57c375c7edd6 - core::result::unwrap_failed::ha809bf80017a514a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:1852:5 [INFO] [stdout] 17: 0x57c375c39d01 - rust_out::main::_doctest_main_src_lib_rs_8_0::h0afef0f3c91ef353 [INFO] [stdout] 18: 0x57c375c3a306 - rust_out::main::h61a73a86de211918 [INFO] [stdout] 19: 0x57c375c37213 - core::ops::function::FnOnce::call_once::h6c9c00fd6ee79245 [INFO] [stdout] 20: 0x57c375c3b526 - std::sys::backtrace::__rust_begin_short_backtrace::h916f7d6bfb06988c [INFO] [stdout] 21: 0x57c375c3b019 - std::rt::lang_start::{{closure}}::h8b630493ef2474c7 [INFO] [stdout] 22: 0x57c375c5ee50 - core::ops::function::impls:: for &F>::call_once::hae16bf8966719858 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 23: 0x57c375c5ee50 - std::panicking::catch_unwind::do_call::hd4eb7cf01d0f66cd [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x57c375c5ee50 - std::panicking::catch_unwind::h35b4afc45093edf5 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x57c375c5ee50 - std::panic::catch_unwind::h5a7ef11ac2fa7980 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x57c375c5ee50 - std::rt::lang_start_internal::{{closure}}::h18f8e059e8eb5f5a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x57c375c5ee50 - std::panicking::catch_unwind::do_call::hb4f94f34ea41283f [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x57c375c5ee50 - std::panicking::catch_unwind::hfbb31091ea806204 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x57c375c5ee50 - std::panic::catch_unwind::hc88f452387620cfb [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x57c375c5ee50 - std::rt::lang_start_internal::h23cfb6dcbf9c9010 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x57c375c3b001 - std::rt::lang_start::h2676fe224d780b30 [INFO] [stdout] 32: 0x57c375c3b555 - main [INFO] [stdout] 33: 0x7cb9d33921ca - [INFO] [stdout] 34: 0x7cb9d339228b - __libc_start_main [INFO] [stdout] 35: 0x57c375c28ae5 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 8) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "e66ab43e18c92de553a4a743d3d3d1a40b85d3707803db0ccc50dd133378b65a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e66ab43e18c92de553a4a743d3d3d1a40b85d3707803db0ccc50dd133378b65a", kill_on_drop: false }` [INFO] [stdout] e66ab43e18c92de553a4a743d3d3d1a40b85d3707803db0ccc50dd133378b65a