[INFO] fetching crate mystem 0.2.2...
[INFO] testing mystem-0.2.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate mystem 0.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mystem 0.2.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-5/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" "+beta-2021-08-01" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85c68688bbd76f3216d96f7818a391509d11382b56e8ae60756e6c6a53d2903d
[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" "85c68688bbd76f3216d96f7818a391509d11382b56e8ae60756e6c6a53d2903d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85c68688bbd76f3216d96f7818a391509d11382b56e8ae60756e6c6a53d2903d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c68688bbd76f3216d96f7818a391509d11382b56e8ae60756e6c6a53d2903d", kill_on_drop: false }`
[INFO] [stdout] 85c68688bbd76f3216d96f7818a391509d11382b56e8ae60756e6c6a53d2903d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--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] 404b6ce74cf1da47fc4c22fe382450341d62172c659a6c00f8431666ddcf5b02
[INFO] running `Command { std: "docker" "start" "-a" "404b6ce74cf1da47fc4c22fe382450341d62172c659a6c00f8431666ddcf5b02", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling subprocess v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling mystem v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.24s
[INFO] running `Command { std: "docker" "inspect" "404b6ce74cf1da47fc4c22fe382450341d62172c659a6c00f8431666ddcf5b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404b6ce74cf1da47fc4c22fe382450341d62172c659a6c00f8431666ddcf5b02", kill_on_drop: false }`
[INFO] [stdout] 404b6ce74cf1da47fc4c22fe382450341d62172c659a6c00f8431666ddcf5b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23e2630151d58cbb46df24bdc27f9986072b2e5cf70c3ce32a7e3b75d88699b3
[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" "23e2630151d58cbb46df24bdc27f9986072b2e5cf70c3ce32a7e3b75d88699b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling mystem v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "23e2630151d58cbb46df24bdc27f9986072b2e5cf70c3ce32a7e3b75d88699b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e2630151d58cbb46df24bdc27f9986072b2e5cf70c3ce32a7e3b75d88699b3", kill_on_drop: false }`
[INFO] [stdout] 23e2630151d58cbb46df24bdc27f9986072b2e5cf70c3ce32a7e3b75d88699b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20d47a38c724f4f035f5523d4bc3138eba6b9bc293e6fb691747834440a5f0a4
[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" "20d47a38c724f4f035f5523d4bc3138eba6b9bc293e6fb691747834440a5f0a4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mystem-a4ce82bea934fb12)
[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; finished in 0.00s
[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 `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<Result<Infallible, AppError>>` 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<Result<Infallible, AppError>>` is not implemented for `()`
[INFO] [stdout] note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Vec<Lexeme>` 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<Lexeme>` cannot be formatted with the default formatter
[INFO] [stdout]   |
[INFO] [stdout]   = help: the trait `std::fmt::Display` is not implemented for `Vec<Lexeme>`
[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 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "20d47a38c724f4f035f5523d4bc3138eba6b9bc293e6fb691747834440a5f0a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d47a38c724f4f035f5523d4bc3138eba6b9bc293e6fb691747834440a5f0a4", kill_on_drop: false }`
[INFO] [stdout] 20d47a38c724f4f035f5523d4bc3138eba6b9bc293e6fb691747834440a5f0a4
