[INFO] crate strukt 0.1.0 is already in cache
[INFO] checking strukt-0.1.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate strukt 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate strukt 0.1.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate strukt 0.1.0
[INFO] finished tweaking crates.io crate strukt 0.1.0
[INFO] tweaked toml for crates.io crate strukt 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] 791eb9893e518ee3dc1451f8d5275c8228f482c23e3f5b00d0358d846acda201
[INFO] running `"docker" "start" "-a" "791eb9893e518ee3dc1451f8d5275c8228f482c23e3f5b00d0358d846acda201"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]     Checking strukt v0.1.0 (/opt/rustwide/workdir)
[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:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![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:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning 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:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(proc_macro)]
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: procedural macros cannot be expanded to expressions
[INFO] [stderr]   --> tests/tests.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     assert_eq!(pack!("<bI")(b' ', 0x41424344), b" DCBA");
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #54727 <https://github.com/rust-lang/rust/issues/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]   --> tests/tests.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 |     assert_eq!(pack!(">bI")(b' ', 0x41424344), b" ABCD");
[INFO] [stderr]    |                ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #54727 <https://github.com/rust-lang/rust/issues/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]   --> tests/tests.rs:12:16
[INFO] [stderr]    |
[INFO] [stderr] 12 |     assert_eq!(pack!("Q")(0x41424344), b"DCBA\0\0\0\0");
[INFO] [stderr]    |                ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: see issue #54727 <https://github.com/rust-lang/rust/issues/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 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0658`.
[INFO] [stderr] error: could not compile `strukt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "791eb9893e518ee3dc1451f8d5275c8228f482c23e3f5b00d0358d846acda201"`
[INFO] running `"docker" "rm" "-f" "791eb9893e518ee3dc1451f8d5275c8228f482c23e3f5b00d0358d846acda201"`
[INFO] [stdout] 791eb9893e518ee3dc1451f8d5275c8228f482c23e3f5b00d0358d846acda201