[INFO] fetching crate clio 0.1.1... [INFO] testing clio-0.1.1 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate clio 0.1.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate clio 0.1.1 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate clio 0.1.1 [INFO] finished tweaking crates.io crate clio 0.1.1 [INFO] tweaked toml for crates.io crate clio 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 136aec0be9f3661907ffc48d79c6ee3eac8985c7df968bba5819f2c2c39ae260 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "136aec0be9f3661907ffc48d79c6ee3eac8985c7df968bba5819f2c2c39ae260", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "136aec0be9f3661907ffc48d79c6ee3eac8985c7df968bba5819f2c2c39ae260", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "136aec0be9f3661907ffc48d79c6ee3eac8985c7df968bba5819f2c2c39ae260", kill_on_drop: false }` [INFO] [stdout] 136aec0be9f3661907ffc48d79c6ee3eac8985c7df968bba5819f2c2c39ae260 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b750d4b1a1041096b5c507e8b0ab52930cecc066276eb07f4290eab6cf1ba408 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b750d4b1a1041096b5c507e8b0ab52930cecc066276eb07f4290eab6cf1ba408", kill_on_drop: false }` [INFO] [stderr] Compiling clio v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "b750d4b1a1041096b5c507e8b0ab52930cecc066276eb07f4290eab6cf1ba408", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b750d4b1a1041096b5c507e8b0ab52930cecc066276eb07f4290eab6cf1ba408", kill_on_drop: false }` [INFO] [stdout] b750d4b1a1041096b5c507e8b0ab52930cecc066276eb07f4290eab6cf1ba408 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4894711233f314b9d654c9d89b356630882343616088cc21bffab8ce8f916aef [INFO] running `Command { std: "docker" "start" "-a" "4894711233f314b9d654c9d89b356630882343616088cc21bffab8ce8f916aef", kill_on_drop: false }` [INFO] [stderr] Compiling clio v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "4894711233f314b9d654c9d89b356630882343616088cc21bffab8ce8f916aef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4894711233f314b9d654c9d89b356630882343616088cc21bffab8ce8f916aef", kill_on_drop: false }` [INFO] [stdout] 4894711233f314b9d654c9d89b356630882343616088cc21bffab8ce8f916aef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7cbcb9db1d0c8e2878e380063e5dcc12b1fdd5e7b548b47471b76ed8d7fc013d [INFO] running `Command { std: "docker" "start" "-a" "7cbcb9db1d0c8e2878e380063e5dcc12b1fdd5e7b548b47471b76ed8d7fc013d", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/clio-20d1c82887762933 [INFO] [stderr] Doc-tests clio [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/input.rs - input::Input::len (line 26) ... FAILED [INFO] [stdout] test src/input.rs - input::Input::is_empty (line 42) ... FAILED [INFO] [stdout] test src/lib.rs - (line 7) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/input.rs - input::Input::len (line 26) stdout ---- [INFO] [stdout] error[E0423]: expected function, found macro `assert_eq` [INFO] [stdout] --> src/input.rs:29:1 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq(Some(0), file.len()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `!` to invoke the macro [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(Some(0), file.len()); [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/input.rs:27:29 [INFO] [stdout] | [INFO] [stdout] 4 | let file = clio::Input::new("foo.txt")?; [INFO] [stdout] | ^^^^^^^^^ expected struct `std::ffi::OsStr`, found `str` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&std::ffi::OsStr` [INFO] [stdout] found reference `&'static str` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/input.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [INFO] [stdout] 4 | | let file = clio::Input::new("foo.txt")?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 5 | | [INFO] [stdout] 6 | | assert_eq(Some(0), file.len()); [INFO] [stdout] 7 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0423. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/input.rs - input::Input::is_empty (line 42) stdout ---- [INFO] [stdout] error[E0423]: expected function, found macro `assert_eq` [INFO] [stdout] --> src/input.rs:45:1 [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq(Some(true), file.is_empty()); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `!` to invoke the macro [INFO] [stdout] | [INFO] [stdout] 6 | assert_eq!(Some(true), file.is_empty()); [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/input.rs:43:29 [INFO] [stdout] | [INFO] [stdout] 4 | let file = clio::Input::new("foo.txt")?; [INFO] [stdout] | ^^^^^^^^^ expected struct `std::ffi::OsStr`, found `str` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&std::ffi::OsStr` [INFO] [stdout] found reference `&'static str` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/input.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [INFO] [stdout] 4 | | let file = clio::Input::new("foo.txt")?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 5 | | [INFO] [stdout] 6 | | assert_eq(Some(true), file.is_empty()); [INFO] [stdout] 7 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0423. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 7) stdout ---- [INFO] [stdout] Test executable failed (exit code 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] thread 'main' panicked at 'index out of bounds: the len is 1 but the index is 1', src/lib.rs:6:37 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5597526d24e5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5597526d24e5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5597526d24e5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5597526d24e5 - ::fmt::hb4bdb37c3c335733 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x5597526ef7cc - core::fmt::write::h540ac4a6a1232abc [INFO] [stdout] at src/libcore/fmt/mod.rs:1076 [INFO] [stdout] 5: 0x5597526d07e2 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stdout] at src/libstd/io/mod.rs:1539 [INFO] [stdout] 6: 0x5597526d4920 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 7: 0x5597526d4920 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 8: 0x5597526d4920 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 9: 0x5597526d466c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stdout] at src/libstd/panicking.rs:217 [INFO] [stdout] 10: 0x5597526d4f63 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stdout] at src/libstd/panicking.rs:526 [INFO] [stdout] 11: 0x5597526d4b5b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:437 [INFO] [stdout] 12: 0x5597526eebd1 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 13: 0x5597526eeb92 - core::panicking::panic_bounds_check::hdef4fff11e167a6a [INFO] [stdout] at src/libcore/panicking.rs:62 [INFO] [stdout] 14: 0x5597526c2d58 - >::index::h5eed2fe40f17e784 [INFO] [stdout] 15: 0x5597526c1943 - core::slice:: for [T]>::index::h3c24f91f0103c655 [INFO] [stdout] 16: 0x5597526c3043 - as core::ops::index::Index>::index::hdcc84ccd91556585 [INFO] [stdout] 17: 0x5597526c3658 - rust_out::main::h50d7771d5832238f [INFO] [stdout] 18: 0x5597526c07d8 - std::rt::lang_start::{{closure}}::h28205dcb4757ea37 [INFO] [stdout] 19: 0x5597526d5333 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stdout] at src/libstd/rt.rs:52 [INFO] [stdout] 20: 0x5597526d5333 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stdout] at src/libstd/panicking.rs:348 [INFO] [stdout] 21: 0x5597526d5333 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stdout] at src/libstd/panicking.rs:325 [INFO] [stdout] 22: 0x5597526d5333 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stdout] at src/libstd/panic.rs:394 [INFO] [stdout] 23: 0x5597526d5333 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stdout] at src/libstd/rt.rs:51 [INFO] [stdout] 24: 0x5597526c07a8 - std::rt::lang_start::h59b7ea0c8edf2107 [INFO] [stdout] 25: 0x5597526c38eb - main [INFO] [stdout] 26: 0x7feb76a3d0b3 - __libc_start_main [INFO] [stdout] 27: 0x5597526c017e - _start [INFO] [stdout] 28: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/input.rs - input::Input::is_empty (line 42) [INFO] [stdout] src/input.rs - input::Input::len (line 26) [INFO] [stdout] src/lib.rs - (line 7) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "7cbcb9db1d0c8e2878e380063e5dcc12b1fdd5e7b548b47471b76ed8d7fc013d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cbcb9db1d0c8e2878e380063e5dcc12b1fdd5e7b548b47471b76ed8d7fc013d", kill_on_drop: false }` [INFO] [stdout] 7cbcb9db1d0c8e2878e380063e5dcc12b1fdd5e7b548b47471b76ed8d7fc013d