[INFO] fetching crate mystem 0.2.2...
[INFO] testing mystem-0.2.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mystem 0.2.2 into /workspace/builds/worker-6-tc2/source
[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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mystem 0.2.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mystem 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | homepage = "https://github.com/house-of-vanity/mystem-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 | repository = "https://github.com/house-of-vanity/mystem-rs"
[INFO] [stderr]    |              ----------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mystem` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae
[INFO] running `Command { std: "docker" "start" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | homepage = "https://github.com/house-of-vanity/mystem-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 | repository = "https://github.com/house-of-vanity/mystem-rs"
[INFO] [stderr]    |              ----------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mystem` (manifest) generated 1 warning
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling cfg-if v0.1.10
[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 `release` profile [optimized] target(s) in 8.95s
[INFO] running `Command { std: "docker" "inspect" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | homepage = "https://github.com/house-of-vanity/mystem-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 | repository = "https://github.com/house-of-vanity/mystem-rs"
[INFO] [stderr]    |              ----------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mystem` (manifest) generated 1 warning
[INFO] [stderr]    Compiling mystem v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | homepage = "https://github.com/house-of-vanity/mystem-rs"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 19 | repository = "https://github.com/house-of-vanity/mystem-rs"
[INFO] [stderr]    |              ----------------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `mystem` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/mystem/4cea182cd69a7d64/out/mystem-4cea182cd69a7d64)
[INFO] [stderr]    Doc-tests mystem
[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] [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:91:41
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_89_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 91 | let mut instance = mystem::MyStem::new()?;
[INFO] [stdout]    |                                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_89_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                         +++++++++++++++++++++++++++++++++++++++++
[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:92:81
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_89_0() {
[INFO] [stdout]    |                                      ---------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] 91 | let mut instance = mystem::MyStem::new()?;
[INFO] [stdout] 92 |     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]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_89_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                         +++++++++++++++++++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `Vec<Lexeme>` doesn't implement `std::fmt::Display`
[INFO] [stdout]   --> src/lib.rs:93:42
[INFO] [stdout]    |
[INFO] [stdout] 93 |         println!("{} is a lexeme of {}", stem.lex, stem.text)
[INFO] [stdout]    |                   --                     ^^^^^^^^ `Vec<Lexeme>` cannot be formatted with the default formatter
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   required by this formatting parameter
[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] 
[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 0.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae", kill_on_drop: false }`
[INFO] [stdout] 1bae3c1cecc2499ba3bdd1f70a5e2842ac8b7625f99a2bbf8456ccdbadf569ae
