[INFO] updating cached repository https://github.com/anderejd/extern_attrib [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a70c0caf5ddb993cde6e65d89b125f168e1d5dcc [INFO] checking anderejd/extern_attrib against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanderejd%2Fextern_attrib" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anderejd/extern_attrib on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/anderejd/extern_attrib [INFO] finished tweaking git repo https://github.com/anderejd/extern_attrib [INFO] tweaked toml for git repo https://github.com/anderejd/extern_attrib written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/anderejd/extern_attrib already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 925a414144a282f67e9d218f6ff4b9f0e0628270d67e5e569ba02b49a3ae450b [INFO] running `"docker" "start" "-a" "925a414144a282f67e9d218f6ff4b9f0e0628270d67e5e569ba02b49a3ae450b"` [INFO] [stderr] Checking extern_attrib v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:35:7 [INFO] [stderr] | [INFO] [stderr] 35 | { //! This scope drops abi_opt after mutation. [INFO] [stderr] | _____- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 36 | | let abi_opt = match item.node { [INFO] [stderr] 37 | | ItemKind::Fn(_, _, _, ref mut opt, _, _) => opt, [INFO] [stderr] 38 | | _ => return input [INFO] [stderr] 39 | | }; [INFO] [stderr] 40 | | modify_abi(abi_opt); [INFO] [stderr] 41 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` 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:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | #![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: unused doc comment [INFO] [stderr] --> src/lib.rs:35:7 [INFO] [stderr] | [INFO] [stderr] 35 | { //! This scope drops abi_opt after mutation. [INFO] [stderr] | _____- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 36 | | let abi_opt = match item.node { [INFO] [stderr] 37 | | ItemKind::Fn(_, _, _, ref mut opt, _, _) => opt, [INFO] [stderr] 38 | | _ => return input [INFO] [stderr] 39 | | }; [INFO] [stderr] 40 | | modify_abi(abi_opt); [INFO] [stderr] 41 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` 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:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | #![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: unused doc comment [INFO] [stderr] --> src/lib.rs:35:7 [INFO] [stderr] | [INFO] [stderr] 35 | { //! This scope drops abi_opt after mutation. [INFO] [stderr] | _____- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 36 | | let abi_opt = match item.node { [INFO] [stderr] 37 | | ItemKind::Fn(_, _, _, ref mut opt, _, _) => opt, [INFO] [stderr] 38 | | _ => return input [INFO] [stderr] 39 | | }; [INFO] [stderr] 40 | | modify_abi(abi_opt); [INFO] [stderr] 41 | | } [INFO] [stderr] | |_____- rustdoc does not generate documentation for expressions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` 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:13:12 [INFO] [stderr] | [INFO] [stderr] 13 | #![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: unused doc comment [INFO] [stderr] --> tests/tests.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | /// This should cause build failure if extern_auto is incorrect. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 25 | #[cfg(not(target_os = "windows"))] [INFO] [stderr] 26 | let f: extern "C" fn(i: i32) -> i32 = modified_by_attrib; [INFO] [stderr] | --------------------------------------------------------- rustdoc does not generate documentation for statements [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` 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] --> tests/tests.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] Finished dev [unoptimized + debuginfo] target(s) in 11.08s [INFO] running `"docker" "inspect" "925a414144a282f67e9d218f6ff4b9f0e0628270d67e5e569ba02b49a3ae450b"` [INFO] running `"docker" "rm" "-f" "925a414144a282f67e9d218f6ff4b9f0e0628270d67e5e569ba02b49a3ae450b"` [INFO] [stdout] 925a414144a282f67e9d218f6ff4b9f0e0628270d67e5e569ba02b49a3ae450b