[INFO] fetching crate boxx 0.0.3-beta... [INFO] testing boxx-0.0.3-beta against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate boxx 0.0.3-beta into /workspace/builds/worker-75/source [INFO] validating manifest of crates.io crate boxx 0.0.3-beta on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate boxx 0.0.3-beta [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate boxx 0.0.3-beta [INFO] tweaked toml for crates.io crate boxx 0.0.3-beta written to /workspace/builds/worker-75/source/Cargo.toml [INFO] crate crates.io crate boxx 0.0.3-beta already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a42b5538f8df2310541596e3aef8a618cb303079ef952ea3830fa95cb5900b54 [INFO] running `Command { std: "docker" "start" "-a" "a42b5538f8df2310541596e3aef8a618cb303079ef952ea3830fa95cb5900b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a42b5538f8df2310541596e3aef8a618cb303079ef952ea3830fa95cb5900b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a42b5538f8df2310541596e3aef8a618cb303079ef952ea3830fa95cb5900b54", kill_on_drop: false }` [INFO] [stdout] a42b5538f8df2310541596e3aef8a618cb303079ef952ea3830fa95cb5900b54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 558b1a6c52cc7f618ddb6da330f45e9258b18113738a2ad1a214bd9fca3679d6 [INFO] running `Command { std: "docker" "start" "-a" "558b1a6c52cc7f618ddb6da330f45e9258b18113738a2ad1a214bd9fca3679d6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling utf8parse v0.1.1 [INFO] [stderr] Compiling regex-syntax v0.6.16 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling vte v0.3.3 [INFO] [stderr] Compiling strip-ansi-escapes v0.1.0 [INFO] [stderr] Compiling aho-corasick v0.7.9 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling term_size v0.3.1 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling console v0.9.2 [INFO] [stderr] Compiling thiserror-impl v1.0.11 [INFO] [stderr] Compiling thiserror v1.0.11 [INFO] [stderr] Compiling boxx v0.0.3-beta (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.77s [INFO] running `Command { std: "docker" "inspect" "558b1a6c52cc7f618ddb6da330f45e9258b18113738a2ad1a214bd9fca3679d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "558b1a6c52cc7f618ddb6da330f45e9258b18113738a2ad1a214bd9fca3679d6", kill_on_drop: false }` [INFO] [stdout] 558b1a6c52cc7f618ddb6da330f45e9258b18113738a2ad1a214bd9fca3679d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f027bdd89b81b015ed4266267e8ace0c7b7a7bd3ba72accc3d96b6425dafec6 [INFO] running `Command { std: "docker" "start" "-a" "3f027bdd89b81b015ed4266267e8ace0c7b7a7bd3ba72accc3d96b6425dafec6", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling pulldown-cmark v0.4.1 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling semver-parser v0.9.0 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling version-sync v0.8.1 [INFO] [stderr] Compiling boxx v0.0.3-beta (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 14.91s [INFO] running `Command { std: "docker" "inspect" "3f027bdd89b81b015ed4266267e8ace0c7b7a7bd3ba72accc3d96b6425dafec6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f027bdd89b81b015ed4266267e8ace0c7b7a7bd3ba72accc3d96b6425dafec6", kill_on_drop: false }` [INFO] [stdout] 3f027bdd89b81b015ed4266267e8ace0c7b7a7bd3ba72accc3d96b6425dafec6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 909298bfd95fd2024187ae717f39284b2f365a28dd4f64810b002469c9e558a8 [INFO] running `Command { std: "docker" "start" "-a" "909298bfd95fd2024187ae717f39284b2f365a28dd4f64810b002469c9e558a8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/boxx-1a5419e6802a84fb) [INFO] [stdout] [INFO] [stderr] Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-ecc2ae7a470422b4) [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 2 tests [INFO] [stdout] test test_readme_deps ... ok [INFO] [stdout] test test_html_root_url ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests boxx [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test src/lib.rs - Boxx::as_str (line 97) ... FAILED [INFO] [stdout] test src/lib.rs - Boxx::display (line 84) ... ok [INFO] [stdout] test src/lib.rs - Boxx::default (line 36) ... ok [INFO] [stdout] test src/lib.rs - Boxx::new (line 49) ... ok [INFO] [stdout] test src/lib.rs - Boxx::builder (line 63) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - Boxx::as_str (line 97) 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:100:53 [INFO] [stdout] | [INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_97_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 4 | | use boxx::Boxx; [INFO] [stdout] 5 | | [INFO] [stdout] 6 | | let result = Boxx::default().as_str("Hello, World!")?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 7 | | println!("{}", result); [INFO] [stdout] 8 | | } _doctest_main_src_lib_rs_97_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: aborting due to previous error [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 - Boxx::as_str (line 97) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 4 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.21s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "909298bfd95fd2024187ae717f39284b2f365a28dd4f64810b002469c9e558a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "909298bfd95fd2024187ae717f39284b2f365a28dd4f64810b002469c9e558a8", kill_on_drop: false }` [INFO] [stdout] 909298bfd95fd2024187ae717f39284b2f365a28dd4f64810b002469c9e558a8