[INFO] fetching crate trace2 0.1.0... [INFO] checking trace2-0.1.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] extracting crate trace2 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate trace2 0.1.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate trace2 0.1.0 [INFO] finished tweaking crates.io crate trace2 0.1.0 [INFO] tweaked toml for crates.io crate trace2 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded trace2_macro v0.1.0 [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 42b7ba2d7092830c7f94cafc78b6b81e2d90b8b8b68d042c2607244500a09dc1 [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" "42b7ba2d7092830c7f94cafc78b6b81e2d90b8b8b68d042c2607244500a09dc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "42b7ba2d7092830c7f94cafc78b6b81e2d90b8b8b68d042c2607244500a09dc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42b7ba2d7092830c7f94cafc78b6b81e2d90b8b8b68d042c2607244500a09dc1", kill_on_drop: false }` [INFO] [stdout] 42b7ba2d7092830c7f94cafc78b6b81e2d90b8b8b68d042c2607244500a09dc1 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc9b5a04a777e4dbcc57f0bb069e9d1b86f03486aa6ca414fb3d58bbeac14c76 [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" "cc9b5a04a777e4dbcc57f0bb069e9d1b86f03486aa6ca414fb3d58bbeac14c76", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Compiling trace2_macro v0.1.0 [INFO] [stderr] Checking trace2 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> examples/crate_level.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(proc_macro_mod)] [INFO] [stdout] | ^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: subsumed by `#![feature(proc_macro_hygiene)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: non-builtin inner attributes are unstable [INFO] [stdout] --> examples/crate_level.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | #![::trace2::trace2] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54726 for more information [INFO] [stdout] = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> tests/nested.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(proc_macro_mod)] [INFO] [stdout] | ^^^^^^^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: subsumed by `#![feature(proc_macro_hygiene)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: non-builtin inner attributes are unstable [INFO] [stdout] --> tests/nested.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | #![::trace2::trace2] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #54726 for more information [INFO] [stdout] = help: add `#![feature(custom_inner_attributes)]` to the crate attributes to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/generic.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/generic.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/return_box.rs:22:42 [INFO] [stdout] | [INFO] [stdout] 22 | fn new_animal(kind: &'static str) -> Box { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Animal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> tests/return_box.rs:22:42 [INFO] [stdout] | [INFO] [stdout] 22 | fn new_animal(kind: &'static str) -> Box { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn Animal` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/unreachable.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/unreachable.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/basic.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/basic.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/ignore.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/ignore.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/return_box.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/return_box.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `trace2`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/ignore.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/ignore.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/impl_level.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> examples/impl_level.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/complex_impl_type.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/complex_impl_type.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> tests/complex.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | #[::trace2::trace2] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `FloorInt` [INFO] [stdout] --> tests/complex.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | FloorInt, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0557, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0557`. [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CeilInt` [INFO] [stdout] --> tests/complex.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | CeilInt, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RoundInt` [INFO] [stdout] --> tests/complex.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | RoundInt, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CeilReal` [INFO] [stdout] --> tests/complex.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | CeilReal, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `RoundReal` [INFO] [stdout] --> tests/complex.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | RoundReal, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `use_extern_macros` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/complex.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(use_extern_macros)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `proc_macro_path_invoc` has been stable since 1.30.0 and no longer requires an attribute to enable [INFO] [stdout] --> tests/complex.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_path_invoc)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "cc9b5a04a777e4dbcc57f0bb069e9d1b86f03486aa6ca414fb3d58bbeac14c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc9b5a04a777e4dbcc57f0bb069e9d1b86f03486aa6ca414fb3d58bbeac14c76", kill_on_drop: false }` [INFO] [stdout] cc9b5a04a777e4dbcc57f0bb069e9d1b86f03486aa6ca414fb3d58bbeac14c76