[INFO] cloning repository https://github.com/jaroslaw-weber/rust-procedural-macros-examples [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaroslaw-weber/rust-procedural-macros-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-procedural-macros-examples"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-procedural-macros-examples'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 876a51061cb0d40f54f121215d545efd534ff202 [INFO] checking jaroslaw-weber/rust-procedural-macros-examples against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaroslaw-weber%2Frust-procedural-macros-examples" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jaroslaw-weber/rust-procedural-macros-examples on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jaroslaw-weber/rust-procedural-macros-examples [INFO] finished tweaking git repo https://github.com/jaroslaw-weber/rust-procedural-macros-examples [INFO] tweaked toml for git repo https://github.com/jaroslaw-weber/rust-procedural-macros-examples written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/jaroslaw-weber/rust-procedural-macros-examples already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 90de98f6b1b884b4591e3a5dd747a68f33616405c2bd001f4e7a43541afe6b88 [INFO] running `"docker" "start" "-a" "90de98f6b1b884b4591e3a5dd747a68f33616405c2bd001f4e7a43541afe6b88"` [INFO] [stderr] Compiling procedural_macros_simple_examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/roman_parser.rs:21:53 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn roman_to_i32(input: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/roman_parser.rs:21:53 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn roman_to_i32(input: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/roman_parser.rs:21:53 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn roman_to_i32(input: &str) -> Result> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(proc_macro)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(proc_macro)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(proc_macro)] [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions [INFO] [stderr] --> examples/test.rs:9:18 [INFO] [stderr] | [INFO] [stderr] 9 | let x: i32 = binary!(10101); //21 [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54727 for more information [INFO] [stderr] = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions [INFO] [stderr] --> examples/test.rs:11:18 [INFO] [stderr] | [INFO] [stderr] 11 | let y: i32 = roman!(XIV); //14 [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54727 for more information [INFO] [stderr] = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions [INFO] [stderr] --> examples/test.rs:13:25 [INFO] [stderr] | [INFO] [stderr] 13 | let reversed: i32 = reverse_number!(12345); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54727 for more information [INFO] [stderr] = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions [INFO] [stderr] --> examples/test.rs:16:23 [INFO] [stderr] | [INFO] [stderr] 16 | let parsed: i32 = english_to_number!(four); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #54727 for more information [INFO] [stderr] = help: add `#![feature(proc_macro_hygiene)]` to the crate attributes to enable [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0658`. [INFO] [stderr] error: could not compile `procedural_macros_simple_examples`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "90de98f6b1b884b4591e3a5dd747a68f33616405c2bd001f4e7a43541afe6b88"` [INFO] running `"docker" "rm" "-f" "90de98f6b1b884b4591e3a5dd747a68f33616405c2bd001f4e7a43541afe6b88"` [INFO] [stdout] 90de98f6b1b884b4591e3a5dd747a68f33616405c2bd001f4e7a43541afe6b88