[INFO] fetching crate mystem 0.2.2... [INFO] testing mystem-0.2.2 against 1.55.0 for beta-1.56-1 [INFO] extracting crate mystem 0.2.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate mystem 0.2.2 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mystem 0.2.2 [INFO] finished tweaking crates.io crate mystem 0.2.2 [INFO] tweaked toml for crates.io crate mystem 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate mystem 0.2.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 642bd9d584152a6a55fd120b1b88df77ad996940a8d92eeb4bbe2065eb4dfa8c [INFO] running `Command { std: "docker" "start" "-a" "642bd9d584152a6a55fd120b1b88df77ad996940a8d92eeb4bbe2065eb4dfa8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "642bd9d584152a6a55fd120b1b88df77ad996940a8d92eeb4bbe2065eb4dfa8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "642bd9d584152a6a55fd120b1b88df77ad996940a8d92eeb4bbe2065eb4dfa8c", kill_on_drop: false }` [INFO] [stdout] 642bd9d584152a6a55fd120b1b88df77ad996940a8d92eeb4bbe2065eb4dfa8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c4666a4f2c11c0350c6d63f06376249fc6542415a9e802e486aa8c1bfed021a6 [INFO] running `Command { std: "docker" "start" "-a" "c4666a4f2c11c0350c6d63f06376249fc6542415a9e802e486aa8c1bfed021a6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling subprocess v0.2.6 [INFO] [stderr] Compiling mystem v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.87s [INFO] running `Command { std: "docker" "inspect" "c4666a4f2c11c0350c6d63f06376249fc6542415a9e802e486aa8c1bfed021a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4666a4f2c11c0350c6d63f06376249fc6542415a9e802e486aa8c1bfed021a6", kill_on_drop: false }` [INFO] [stdout] c4666a4f2c11c0350c6d63f06376249fc6542415a9e802e486aa8c1bfed021a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5eb5203e04f6020f1704112f8d5669ccce1721a8cf8b199f90e70882cc81a0b2 [INFO] running `Command { std: "docker" "start" "-a" "5eb5203e04f6020f1704112f8d5669ccce1721a8cf8b199f90e70882cc81a0b2", kill_on_drop: false }` [INFO] [stderr] Compiling mystem v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "5eb5203e04f6020f1704112f8d5669ccce1721a8cf8b199f90e70882cc81a0b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5eb5203e04f6020f1704112f8d5669ccce1721a8cf8b199f90e70882cc81a0b2", kill_on_drop: false }` [INFO] [stdout] 5eb5203e04f6020f1704112f8d5669ccce1721a8cf8b199f90e70882cc81a0b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 804273ea88ddf25debb439dd3a44b74f951a1cd9ba1f9bd91766de0e6114ef38 [INFO] running `Command { std: "docker" "start" "-a" "804273ea88ddf25debb439dd3a44b74f951a1cd9ba1f9bd91766de0e6114ef38", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mystem-055802cbe96881ca) [INFO] [stdout] [INFO] [stderr] Doc-tests mystem [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] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] test src/lib.rs - MyStem::stemming (line 89) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - MyStem::stemming (line 89) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:90:41 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_89_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | let mut instance = mystem::MyStem::new()?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 5 | | for stem in instance.stemming("Связался с лучшим - подохни как все.".into())? { [INFO] [stdout] 6 | | println!("{} is a lexeme of {}", stem.lex, stem.text) [INFO] [stdout] ... | [INFO] [stdout] 13 | | // все is a lexeme of все [INFO] [stdout] 14 | | } _doctest_main_src_lib_rs_89_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [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 `FromResidual`) [INFO] [stdout] --> src/lib.rs:91:81 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_89_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | let mut instance = mystem::MyStem::new()?; [INFO] [stdout] 5 | | for stem in instance.stemming("Связался с лучшим - подохни как все.".into())? { [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 6 | | println!("{} is a lexeme of {}", stem.lex, stem.text) [INFO] [stdout] ... | [INFO] [stdout] 13 | | // все is a lexeme of все [INFO] [stdout] 14 | | } _doctest_main_src_lib_rs_89_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error[E0277]: `Vec` doesn't implement `std::fmt::Display` [INFO] [stdout] --> src/lib.rs:92:42 [INFO] [stdout] | [INFO] [stdout] 6 | println!("{} is a lexeme of {}", stem.lex, stem.text) [INFO] [stdout] | ^^^^^^^^ `Vec` cannot be formatted with the default formatter [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::fmt::Display` is not implemented for `Vec` [INFO] [stdout] = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead [INFO] [stdout] = note: this error originates in the macro `$crate::format_args_nl` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - MyStem::stemming (line 89) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "804273ea88ddf25debb439dd3a44b74f951a1cd9ba1f9bd91766de0e6114ef38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "804273ea88ddf25debb439dd3a44b74f951a1cd9ba1f9bd91766de0e6114ef38", kill_on_drop: false }` [INFO] [stdout] 804273ea88ddf25debb439dd3a44b74f951a1cd9ba1f9bd91766de0e6114ef38