[INFO] fetching crate mystem 0.2.1... [INFO] testing mystem-0.2.1 against 1.49.0 for beta-1.50-1 [INFO] extracting crate mystem 0.2.1 into /workspace/builds/worker-13/source [INFO] validating manifest of crates.io crate mystem 0.2.1 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 mystem 0.2.1 [INFO] finished tweaking crates.io crate mystem 0.2.1 [INFO] tweaked toml for crates.io crate mystem 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate crates.io crate mystem 0.2.1 already has a lockfile, it will not be regenerated [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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e0635ecb4b22e8041399ef96a2cf5940895463ee457f60a5391046c6a956bd6c [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" "e0635ecb4b22e8041399ef96a2cf5940895463ee457f60a5391046c6a956bd6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e0635ecb4b22e8041399ef96a2cf5940895463ee457f60a5391046c6a956bd6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0635ecb4b22e8041399ef96a2cf5940895463ee457f60a5391046c6a956bd6c", kill_on_drop: false }` [INFO] [stdout] e0635ecb4b22e8041399ef96a2cf5940895463ee457f60a5391046c6a956bd6c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 97d42bd9d4ba859e8283bc9cf4fcdc539c5785cc5a3a30f21ddbb3e15337a8bd [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" "97d42bd9d4ba859e8283bc9cf4fcdc539c5785cc5a3a30f21ddbb3e15337a8bd", kill_on_drop: false }` [INFO] [stderr] Compiling subprocess v0.2.6 [INFO] [stderr] Compiling mystem v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.60s [INFO] running `Command { std: "docker" "inspect" "97d42bd9d4ba859e8283bc9cf4fcdc539c5785cc5a3a30f21ddbb3e15337a8bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97d42bd9d4ba859e8283bc9cf4fcdc539c5785cc5a3a30f21ddbb3e15337a8bd", kill_on_drop: false }` [INFO] [stdout] 97d42bd9d4ba859e8283bc9cf4fcdc539c5785cc5a3a30f21ddbb3e15337a8bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] cdc84ad20309bc3f6b3a27c8e482ab50fa7933147242419b3a56097de74b2534 [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" "cdc84ad20309bc3f6b3a27c8e482ab50fa7933147242419b3a56097de74b2534", kill_on_drop: false }` [INFO] [stderr] Compiling mystem v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `Command { std: "docker" "inspect" "cdc84ad20309bc3f6b3a27c8e482ab50fa7933147242419b3a56097de74b2534", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cdc84ad20309bc3f6b3a27c8e482ab50fa7933147242419b3a56097de74b2534", kill_on_drop: false }` [INFO] [stdout] cdc84ad20309bc3f6b3a27c8e482ab50fa7933147242419b3a56097de74b2534 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 581de79a6b23767f9d0199f3ef78fdddd603274f9bf9afd2325195147403914a [INFO] running `Command { std: "docker" "start" "-a" "581de79a6b23767f9d0199f3ef78fdddd603274f9bf9afd2325195147403914a", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mystem-a00f5e518e3392d7 [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] [stderr] Doc-tests mystem [INFO] [stdout] [INFO] [stdout] running 1 test [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 `Try`) [INFO] [stdout] --> src/lib.rs:90:20 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [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 | | } [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[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `Try`) [INFO] [stdout] --> src/lib.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [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 | | } [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[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: required by `std::fmt::Display::fmt` [INFO] [stdout] = note: this error originates in a macro (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 [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "581de79a6b23767f9d0199f3ef78fdddd603274f9bf9afd2325195147403914a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581de79a6b23767f9d0199f3ef78fdddd603274f9bf9afd2325195147403914a", kill_on_drop: false }` [INFO] [stdout] 581de79a6b23767f9d0199f3ef78fdddd603274f9bf9afd2325195147403914a