[INFO] fetching crate multi_reader 0.1.0... [INFO] testing multi_reader-0.1.0 against try#024495a232636f1f9407d7695b2be51edc2c51bd for pr-130285 [INFO] extracting crate multi_reader 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate multi_reader 0.1.0 on toolchain 024495a232636f1f9407d7695b2be51edc2c51bd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate multi_reader 0.1.0 [INFO] finished tweaking crates.io crate multi_reader 0.1.0 [INFO] tweaked toml for crates.io crate multi_reader 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "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" "+024495a232636f1f9407d7695b2be51edc2c51bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cdd6057ea33c413da05910833126c3135699a3ca27b8a0604b22514496357bba [INFO] running `Command { std: "docker" "start" "-a" "cdd6057ea33c413da05910833126c3135699a3ca27b8a0604b22514496357bba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cdd6057ea33c413da05910833126c3135699a3ca27b8a0604b22514496357bba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdd6057ea33c413da05910833126c3135699a3ca27b8a0604b22514496357bba", kill_on_drop: false }` [INFO] [stdout] cdd6057ea33c413da05910833126c3135699a3ca27b8a0604b22514496357bba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 949ff329a7c5fad1c37cee6879e6fe2b445cb528d8b9d1f3e2d877ea8533ab38 [INFO] running `Command { std: "docker" "start" "-a" "949ff329a7c5fad1c37cee6879e6fe2b445cb528d8b9d1f3e2d877ea8533ab38", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling multi_reader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:45:29 [INFO] [stdout] | [INFO] [stdout] 45 | let n = try!(r.read(buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] running `Command { std: "docker" "inspect" "949ff329a7c5fad1c37cee6879e6fe2b445cb528d8b9d1f3e2d877ea8533ab38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "949ff329a7c5fad1c37cee6879e6fe2b445cb528d8b9d1f3e2d877ea8533ab38", kill_on_drop: false }` [INFO] [stdout] 949ff329a7c5fad1c37cee6879e6fe2b445cb528d8b9d1f3e2d877ea8533ab38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7c1208e634b8332a1723e8322b5d8c3794135245394101c3962ed5c0439a440b [INFO] running `Command { std: "docker" "start" "-a" "7c1208e634b8332a1723e8322b5d8c3794135245394101c3962ed5c0439a440b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling multi_reader v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:45:29 [INFO] [stdout] | [INFO] [stdout] 45 | let n = try!(r.read(buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:45:29 [INFO] [stdout] | [INFO] [stdout] 45 | let n = try!(r.read(buf)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "7c1208e634b8332a1723e8322b5d8c3794135245394101c3962ed5c0439a440b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c1208e634b8332a1723e8322b5d8c3794135245394101c3962ed5c0439a440b", kill_on_drop: false }` [INFO] [stdout] 7c1208e634b8332a1723e8322b5d8c3794135245394101c3962ed5c0439a440b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+024495a232636f1f9407d7695b2be51edc2c51bd" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5fd1373524d7d8b940b1dda89daa01a4f5e267be6af43cec51936e33294fe088 [INFO] running `Command { std: "docker" "start" "-a" "5fd1373524d7d8b940b1dda89daa01a4f5e267be6af43cec51936e33294fe088", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/lib.rs:45:29 [INFO] [stderr] | [INFO] [stderr] 45 | let n = try!(r.read(buf)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `multi_reader` (lib) generated 1 warning [INFO] [stderr] warning: `multi_reader` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multi_reader-e1d10151e1efc989) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test tests::test_first_readers_is_empty ... ok [INFO] [stdout] test tests::test_err_during_read ... ok [INFO] [stdout] test tests::test_last_readers_is_empty ... ok [INFO] [stdout] test tests::test_middle_readers_is_empty ... ok [INFO] [stdout] test tests::test_only_empty_readers ... ok [INFO] [stdout] test tests::test_several_readers ... ok [INFO] [stdout] test tests::test_single_reader ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests multi_reader [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 6) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 6) stdout ---- [INFO] [stdout] Error: "thread 'main' panicked at /tmp/rustdoctestFpCs4A/doctest_2015.rs:17:56:\nFile not found: Os { code: 2, kind: NotFound, message: \"No such file or directory\" }\nstack backtrace:\n 0: 0x609be8daf53a - std::backtrace_rs::backtrace::libunwind::trace::h0b70b9423e9d16d3\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5\n 1: 0x609be8daf53a - std::backtrace_rs::backtrace::trace_unsynchronized::h41a6d6747b7a8eec\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5\n 2: 0x609be8daf53a - std::sys::backtrace::_print_fmt::hc7c5a78d80682aba\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/sys/backtrace.rs:66:9\n 3: 0x609be8daf53a - ::fmt::hd4fdfca2994da546\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/sys/backtrace.rs:39:26\n 4: 0x609be8dd589b - core::fmt::rt::Argument::fmt::hf99fefc5c46831d6\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/core/src/fmt/rt.rs:177:76\n 5: 0x609be8dd589b - core::fmt::write::h98fc8fc0872eb800\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/core/src/fmt/mod.rs:1178:21\n 6: 0x609be8dac223 - std::io::Write::write_fmt::hc8a6a2d1c9892a42\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/io/mod.rs:1823:15\n 7: 0x609be8daf382 - std::sys::backtrace::BacktraceLock::print::h8d5848a17a7460af\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/sys/backtrace.rs:42:9\n 8: 0x609be8db0cb5 - std::panicking::default_hook::{{closure}}::hc1055ce5a16caaaf\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:268:22\n 9: 0x609be8db0ae4 - std::panicking::default_hook::h18285eee104702ef\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:295:9\n 10: 0x609be8db12f7 - std::panicking::rust_panic_with_hook::h6b7d3dd5857887cd\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:801:13\n 11: 0x609be8db1197 - std::panicking::begin_panic_handler::{{closure}}::he5e8e895688cd622\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:674:13\n 12: 0x609be8dafa19 - std::sys::backtrace::__rust_end_short_backtrace::h7ac5700345d0de4e\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/sys/backtrace.rs:170:18\n 13: 0x609be8db0e24 - rust_begin_unwind\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:665:5\n 14: 0x609be8dd4343 - core::panicking::panic_fmt::h685c6841386827a1\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/core/src/panicking.rs:74:14\n 15: 0x609be8dd46e6 - core::result::unwrap_failed::ha216cdc5e677ea84\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/core/src/result.rs:1689:5\n 16: 0x609be8d3ea1c - core::result::Result::expect::hf942e4693d6c5a07\n 17: 0x609be8d4253b - doctest_2015::__doctest_0::main::{{closure}}::h6449b24e8892df79\n 18: 0x609be8d3c54e - core::ops::function::impls:: for &mut F>::call_once::hf9bd8ef2eb92ae1e\n 19: 0x609be8d39134 - as core::iter::traits::iterator::Iterator>::next::hc751f8d97aa2a565\n 20: 0x609be8d39b91 - multi_reader::MultiReader::new::h2c2b97ec9e3f4de2\n 21: 0x609be8d42412 - doctest_2015::__doctest_0::main::h7653a4892264395a\n 22: 0x609be8d425a3 - doctest_2015::__doctest_0::TEST::{{closure}}::h738977f9cccfe344\n 23: 0x609be8d3c596 - core::ops::function::FnOnce::call_once::h0f7217e029df256b\n 24: 0x609be8d42c18 - doctest_2015::main::haad8ecf3ebd65f91\n 25: 0x609be8d3c663 - core::ops::function::FnOnce::call_once::hc683c7c54d9ab39f\n 26: 0x609be8d3b2b6 - std::sys::backtrace::__rust_begin_short_backtrace::hfddabafaf8f78d74\n 27: 0x609be8d3b119 - std::rt::lang_start::{{closure}}::h191f443bffe4226a\n 28: 0x609be8da5e30 - core::ops::function::impls:: for &F>::call_once::h6095bbadbd2380c1\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/core/src/ops/function.rs:284:13\n 29: 0x609be8da5e30 - std::panicking::try::do_call::h8cbb3bac88d50fe1\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:557:40\n 30: 0x609be8da5e30 - std::panicking::try::h9130ad2a20f0a67e\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:520:19\n 31: 0x609be8da5e30 - std::panic::catch_unwind::hc6cd31093dd6e4a9\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panic.rs:345:14\n 32: 0x609be8da5e30 - std::rt::lang_start_internal::{{closure}}::h1b8f4ea73eaa0d47\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/rt.rs:143:48\n 33: 0x609be8da5e30 - std::panicking::try::do_call::h869f42fce07e0e2c\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:557:40\n 34: 0x609be8da5e30 - std::panicking::try::hee8ab441a3b56bf5\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panicking.rs:520:19\n 35: 0x609be8da5e30 - std::panic::catch_unwind::haafaf5309edbb6a2\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/panic.rs:345:14\n 36: 0x609be8da5e30 - std::rt::lang_start_internal::h5c94ab59acc820a3\n at /rustc/024495a232636f1f9407d7695b2be51edc2c51bd/library/std/src/rt.rs:143:20\n 37: 0x609be8d3b0f7 - std::rt::lang_start::h3d1251f3f299c00f\n 38: 0x609be8d431e5 - main\n 39: 0x71d2f85fcd90 - \n 40: 0x71d2f85fce40 - __libc_start_main\n 41: 0x609be8d38fb5 - _start\n 42: 0x0 - \n" [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 6) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "5fd1373524d7d8b940b1dda89daa01a4f5e267be6af43cec51936e33294fe088", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fd1373524d7d8b940b1dda89daa01a4f5e267be6af43cec51936e33294fe088", kill_on_drop: false }` [INFO] [stdout] 5fd1373524d7d8b940b1dda89daa01a4f5e267be6af43cec51936e33294fe088