[INFO] fetching crate clio 0.1.1... [INFO] testing clio-0.1.1 against 1.49.0 for beta-1.50-1 [INFO] extracting crate clio 0.1.1 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate clio 0.1.1 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03f8f6562a5a1369f4be1eabff0a644785b4f2dabae97056263d008b29a9fdbb [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" "03f8f6562a5a1369f4be1eabff0a644785b4f2dabae97056263d008b29a9fdbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03f8f6562a5a1369f4be1eabff0a644785b4f2dabae97056263d008b29a9fdbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03f8f6562a5a1369f4be1eabff0a644785b4f2dabae97056263d008b29a9fdbb", kill_on_drop: false }` [INFO] [stdout] 03f8f6562a5a1369f4be1eabff0a644785b4f2dabae97056263d008b29a9fdbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53e505e21dbf8263aab54f1d63789646c3616c1db7b16bee78caf2b915171a58 [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" "53e505e21dbf8263aab54f1d63789646c3616c1db7b16bee78caf2b915171a58", kill_on_drop: false }` [INFO] [stderr] Compiling clio v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "53e505e21dbf8263aab54f1d63789646c3616c1db7b16bee78caf2b915171a58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53e505e21dbf8263aab54f1d63789646c3616c1db7b16bee78caf2b915171a58", kill_on_drop: false }` [INFO] [stdout] 53e505e21dbf8263aab54f1d63789646c3616c1db7b16bee78caf2b915171a58 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 104cd5e9ae23e32410b6abd890f330f5bdd19af73a4b25ce59afc535ac181c1d [INFO] running `Command { std: "docker" "start" "-a" "104cd5e9ae23e32410b6abd890f330f5bdd19af73a4b25ce59afc535ac181c1d", kill_on_drop: false }` [INFO] [stderr] Compiling clio v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "104cd5e9ae23e32410b6abd890f330f5bdd19af73a4b25ce59afc535ac181c1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "104cd5e9ae23e32410b6abd890f330f5bdd19af73a4b25ce59afc535ac181c1d", kill_on_drop: false }` [INFO] [stdout] 104cd5e9ae23e32410b6abd890f330f5bdd19af73a4b25ce59afc535ac181c1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4f153bb8783f83f78e5d31bba01614b6f071329facf5bfb8e9c95022d7ca483b [INFO] running `Command { std: "docker" "start" "-a" "4f153bb8783f83f78e5d31bba01614b6f071329facf5bfb8e9c95022d7ca483b", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/clio-aa3eb563efdd5e65 [INFO] [stdout] [INFO] [stderr] Doc-tests clio [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] | ^^^^^^^^^ not a function [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 `OsStr`, found `str` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&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 `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 `Try` is not implemented for `()` [INFO] [stdout] = note: required by `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] | ^^^^^^^^^ not a function [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 `OsStr`, found `str` [INFO] [stdout] | [INFO] [stdout] = note: expected reference `&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 `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 `Try` is not implemented for `()` [INFO] [stdout] = note: required by `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: 0x561e13d72770 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stdout] 1: 0x561e13d72770 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x561e13d72770 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x561e13d72770 - ::fmt::he009dcaaa75eed60 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x561e13d8bbbc - core::fmt::write::h77b4746b0dea1dd3 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17 [INFO] [stdout] 5: 0x561e13d706d2 - std::io::Write::write_fmt::heb7e50902e98831c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15 [INFO] [stdout] 6: 0x561e13d74ad5 - std::sys_common::backtrace::_print::h2d880c9e69a21be9 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x561e13d74ad5 - std::sys_common::backtrace::print::h5f02b1bb49f36879 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x561e13d74ad5 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x561e13d74778 - std::panicking::default_hook::hb52d73f0da9a4bb8 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9 [INFO] [stdout] 10: 0x561e13d75271 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17 [INFO] [stdout] 11: 0x561e13d74db7 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13 [INFO] [stdout] 12: 0x561e13d72c2c - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x561e13d74d19 - rust_begin_unwind [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5 [INFO] [stdout] 14: 0x561e13d8af61 - core::panicking::panic_fmt::ha0bb065d9a260792 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x561e13d8af22 - core::panicking::panic_bounds_check::h625de1b83193c0a3 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:69:5 [INFO] [stdout] 16: 0x561e13d5d5d8 - >::index::hb45029f0c226c463 [INFO] [stdout] 17: 0x561e13d5b1c3 - core::slice::index:: for [T]>::index::hc769343e51238e38 [INFO] [stdout] 18: 0x561e13d5d6e7 - as core::ops::index::Index>::index::h842924f5dd202354 [INFO] [stdout] 19: 0x561e13d5dcdd - rust_out::main::hca9cca01e17c4103 [INFO] [stdout] 20: 0x561e13d59f56 - core::ops::function::FnOnce::call_once::h5dcf423586138aff [INFO] [stdout] 21: 0x561e13d593f9 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1c4289c22a655b23 [INFO] [stdout] 22: 0x561e13d598fc - std::rt::lang_start::{{closure}}::h205167ce83584f71 [INFO] [stdout] 23: 0x561e13d75697 - core::ops::function::impls:: for &F>::call_once::h57e2a071d427b24c [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13 [INFO] [stdout] 24: 0x561e13d75697 - std::panicking::try::do_call::h81cbbe0c3b30a28e [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40 [INFO] [stdout] 25: 0x561e13d75697 - std::panicking::try::hbeeb95b4e1f0a876 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19 [INFO] [stdout] 26: 0x561e13d75697 - std::panic::catch_unwind::h59c48ccb40a0bf20 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14 [INFO] [stdout] 27: 0x561e13d75697 - std::rt::lang_start_internal::ha53ab63f88fee728 [INFO] [stdout] at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25 [INFO] [stdout] 28: 0x561e13d598d8 - std::rt::lang_start::h33f2e7b6f1c5ecf8 [INFO] [stdout] 29: 0x561e13d5dffb - main [INFO] [stdout] 30: 0x7fbdf744e0b3 - __libc_start_main [INFO] [stdout] 31: 0x561e13d590ae - _start [INFO] [stdout] 32: 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" "4f153bb8783f83f78e5d31bba01614b6f071329facf5bfb8e9c95022d7ca483b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f153bb8783f83f78e5d31bba01614b6f071329facf5bfb8e9c95022d7ca483b", kill_on_drop: false }` [INFO] [stdout] 4f153bb8783f83f78e5d31bba01614b6f071329facf5bfb8e9c95022d7ca483b