[INFO] fetching crate mystem 0.2.2... [INFO] testing mystem-0.2.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate mystem 0.2.2 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate mystem 0.2.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-11/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded subprocess v0.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0f740959caed0c9f4fa13fdfb9bca22b7316ca72a1cfe9a4e48b4a896163d00 [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" "d0f740959caed0c9f4fa13fdfb9bca22b7316ca72a1cfe9a4e48b4a896163d00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0f740959caed0c9f4fa13fdfb9bca22b7316ca72a1cfe9a4e48b4a896163d00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0f740959caed0c9f4fa13fdfb9bca22b7316ca72a1cfe9a4e48b4a896163d00", kill_on_drop: false }` [INFO] [stdout] d0f740959caed0c9f4fa13fdfb9bca22b7316ca72a1cfe9a4e48b4a896163d00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bdea6f10e9d3a0f16dea4a8449b5cab38e3761ee6ff4bb20f88279639960000f [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" "bdea6f10e9d3a0f16dea4a8449b5cab38e3761ee6ff4bb20f88279639960000f", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling serde_json v1.0.60 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling log v0.4.11 [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 11.81s [INFO] running `Command { std: "docker" "inspect" "bdea6f10e9d3a0f16dea4a8449b5cab38e3761ee6ff4bb20f88279639960000f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bdea6f10e9d3a0f16dea4a8449b5cab38e3761ee6ff4bb20f88279639960000f", kill_on_drop: false }` [INFO] [stdout] bdea6f10e9d3a0f16dea4a8449b5cab38e3761ee6ff4bb20f88279639960000f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f17af3382e003cd41cfdf648053c9218d434dd6e727f24a77df2c5135057dc96 [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" "f17af3382e003cd41cfdf648053c9218d434dd6e727f24a77df2c5135057dc96", kill_on_drop: false }` [INFO] [stderr] Compiling mystem v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `Command { std: "docker" "inspect" "f17af3382e003cd41cfdf648053c9218d434dd6e727f24a77df2c5135057dc96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f17af3382e003cd41cfdf648053c9218d434dd6e727f24a77df2c5135057dc96", kill_on_drop: false }` [INFO] [stdout] f17af3382e003cd41cfdf648053c9218d434dd6e727f24a77df2c5135057dc96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 08b2b2ffb1f4d8421c183cc99a9d2343f2d4d42eea18a0eb72f97366fd0e86eb [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" "08b2b2ffb1f4d8421c183cc99a9d2343f2d4d42eea18a0eb72f97366fd0e86eb", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mystem-b256dd268b2e2b12) [INFO] [stdout] [INFO] [stderr] Doc-tests mystem [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] [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 0.42s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "08b2b2ffb1f4d8421c183cc99a9d2343f2d4d42eea18a0eb72f97366fd0e86eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08b2b2ffb1f4d8421c183cc99a9d2343f2d4d42eea18a0eb72f97366fd0e86eb", kill_on_drop: false }` [INFO] [stdout] 08b2b2ffb1f4d8421c183cc99a9d2343f2d4d42eea18a0eb72f97366fd0e86eb