[INFO] crate femme 1.3.0 is already in cache [INFO] testing femme-1.3.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274 [INFO] extracting crate femme 1.3.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate femme 1.3.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16 [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate femme 1.3.0 [INFO] finished tweaking crates.io crate femme 1.3.0 [INFO] tweaked toml for crates.io crate femme 1.3.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate femme 1.3.0 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a3ca54264fa287711caa5361b6a1471a56b56e0a5538654cd537cf086073148c [INFO] running `"docker" "start" "-a" "a3ca54264fa287711caa5361b6a1471a56b56e0a5538654cd537cf086073148c"` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling log v0.4.7 [INFO] [stderr] Compiling serde v1.0.97 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling rustc-demangle v0.1.15 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling regex-syntax v0.6.8 [INFO] [stderr] Compiling lock_api v0.3.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling termios v0.3.1 [INFO] [stderr] Compiling clicolors-control v1.0.0 [INFO] [stderr] Compiling aho-corasick v0.7.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling parking_lot_core v0.6.1 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling backtrace-sys v0.1.30 [INFO] [stderr] Compiling backtrace v0.3.32 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Compiling console v0.7.7 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling async-log-attributes v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.97 [INFO] [stderr] Compiling async-log v1.1.0 [INFO] [stderr] Compiling femme v1.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 31s [INFO] running `"docker" "inspect" "a3ca54264fa287711caa5361b6a1471a56b56e0a5538654cd537cf086073148c"` [INFO] running `"docker" "rm" "-f" "a3ca54264fa287711caa5361b6a1471a56b56e0a5538654cd537cf086073148c"` [INFO] [stdout] a3ca54264fa287711caa5361b6a1471a56b56e0a5538654cd537cf086073148c [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3898db4c0220c23c27625bef0992d06cdd2a15aab67bcf68a38b2541cbdc3668 [INFO] running `"docker" "start" "-a" "3898db4c0220c23c27625bef0992d06cdd2a15aab67bcf68a38b2541cbdc3668"` [INFO] [stderr] Compiling femme v1.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 5.51s [INFO] running `"docker" "inspect" "3898db4c0220c23c27625bef0992d06cdd2a15aab67bcf68a38b2541cbdc3668"` [INFO] running `"docker" "rm" "-f" "3898db4c0220c23c27625bef0992d06cdd2a15aab67bcf68a38b2541cbdc3668"` [INFO] [stdout] 3898db4c0220c23c27625bef0992d06cdd2a15aab67bcf68a38b2541cbdc3668 [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4033c536eca324b652ee8a30b40112c075554224ea8cb4cbbb2e9ae3199c80c1 [INFO] running `"docker" "start" "-a" "4033c536eca324b652ee8a30b40112c075554224ea8cb4cbbb2e9ae3199c80c1"` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/femme-eeab2d691510de4b [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] [stderr] Doc-tests femme [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 6) ... FAILED [INFO] [stdout] test src/lib.rs - start (line 34) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 6) 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:7:1 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [INFO] [stdout] 4 | | femme::start(log::LevelFilter::Trace)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 5 | | log::warn!("Unauthorized access attempt on /login"); [INFO] [stdout] 6 | | log::info!("Listening on port 8080"); [INFO] [stdout] 7 | | } [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 - (line 6) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `"docker" "inspect" "4033c536eca324b652ee8a30b40112c075554224ea8cb4cbbb2e9ae3199c80c1"` [INFO] running `"docker" "rm" "-f" "4033c536eca324b652ee8a30b40112c075554224ea8cb4cbbb2e9ae3199c80c1"` [INFO] [stdout] 4033c536eca324b652ee8a30b40112c075554224ea8cb4cbbb2e9ae3199c80c1