[INFO] fetching crate boxx 0.0.3-beta... [INFO] testing boxx-0.0.3-beta against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate boxx 0.0.3-beta into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate boxx 0.0.3-beta on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 84832de6b20d4dda326896639d4f02527c14a08641f4b64d8210a1b768b5e7bf [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" "84832de6b20d4dda326896639d4f02527c14a08641f4b64d8210a1b768b5e7bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "84832de6b20d4dda326896639d4f02527c14a08641f4b64d8210a1b768b5e7bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84832de6b20d4dda326896639d4f02527c14a08641f4b64d8210a1b768b5e7bf", kill_on_drop: false }` [INFO] [stdout] 84832de6b20d4dda326896639d4f02527c14a08641f4b64d8210a1b768b5e7bf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1218a4ae2dfcdc85b4534bc81add6379ec13971e19bed29356f19be3a3a234f5 [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" "1218a4ae2dfcdc85b4534bc81add6379ec13971e19bed29356f19be3a3a234f5", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling lazy_static v1.4.0 [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 vte v0.3.3 [INFO] [stderr] Compiling thread_local v1.0.1 [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 termios v0.3.1 [INFO] [stderr] Compiling clicolors-control v1.0.1 [INFO] [stderr] Compiling term_size v0.3.1 [INFO] [stderr] Compiling regex v1.3.4 [INFO] [stderr] Compiling thiserror-impl v1.0.11 [INFO] [stderr] Compiling console v0.9.2 [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 30.67s [INFO] running `Command { std: "docker" "inspect" "1218a4ae2dfcdc85b4534bc81add6379ec13971e19bed29356f19be3a3a234f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1218a4ae2dfcdc85b4534bc81add6379ec13971e19bed29356f19be3a3a234f5", kill_on_drop: false }` [INFO] [stdout] 1218a4ae2dfcdc85b4534bc81add6379ec13971e19bed29356f19be3a3a234f5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--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] e686e2c5e6877b5476519d1313c546e8c8302c8ea27169f1dead38d4fdfdaf93 [INFO] running `Command { std: "docker" "start" "-a" "e686e2c5e6877b5476519d1313c546e8c8302c8ea27169f1dead38d4fdfdaf93", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling pulldown-cmark v0.4.1 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling semver-parser v0.9.0 [INFO] [stderr] Compiling toml v0.5.6 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling url v1.7.2 [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 25.77s [INFO] running `Command { std: "docker" "inspect" "e686e2c5e6877b5476519d1313c546e8c8302c8ea27169f1dead38d4fdfdaf93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e686e2c5e6877b5476519d1313c546e8c8302c8ea27169f1dead38d4fdfdaf93", kill_on_drop: false }` [INFO] [stdout] e686e2c5e6877b5476519d1313c546e8c8302c8ea27169f1dead38d4fdfdaf93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 65599d01a642c30edf1161b2f7d7414fa5b598d7369997a6ea28e208774cf38e [INFO] running `Command { std: "docker" "start" "-a" "65599d01a642c30edf1161b2f7d7414fa5b598d7369997a6ea28e208774cf38e", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/boxx-4e4b5fafe90d0805 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mod-0232b510ae6ffdef [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] [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 [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::builder (line 63) ... ok [INFO] [stdout] test src/lib.rs - Boxx::new (line 49) ... ok [INFO] [stdout] test src/lib.rs - Boxx::default (line 36) ... ok [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] test src/lib.rs - Boxx::display (line 84) ... 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 `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:100:14 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [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 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "65599d01a642c30edf1161b2f7d7414fa5b598d7369997a6ea28e208774cf38e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65599d01a642c30edf1161b2f7d7414fa5b598d7369997a6ea28e208774cf38e", kill_on_drop: false }` [INFO] [stdout] 65599d01a642c30edf1161b2f7d7414fa5b598d7369997a6ea28e208774cf38e