[INFO] fetching crate rustc-ap-rustc_expand 660.0.0...
[INFO] checking rustc-ap-rustc_expand-660.0.0 against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] extracting crate rustc-ap-rustc_expand 660.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_expand 660.0.0 on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustc-ap-rustc_expand 660.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_expand 660.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_expand 660.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "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] 83d6740a500cdd8a52525d8de1409b78b7c98abb1f4aaebfe7ab128a1e6cebbe
[INFO] running `"docker" "start" "-a" "83d6740a500cdd8a52525d8de1409b78b7c98abb1f4aaebfe7ab128a1e6cebbe"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking rustc-ap-graphviz v660.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v660.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v660.0.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v660.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_attr v660.0.0
[INFO] [stderr]     Checking version_check v0.9.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v660.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v660.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rustc-ap-serialize v660.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rustc-rayon-core v0.3.0
[INFO] [stderr]     Checking rustc-rayon v0.3.0
[INFO] [stderr]     Checking rustc-ap-rustc_index v660.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v660.0.0
[INFO] [stderr]     Checking rustc-ap-arena v660.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v660.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_feature v660.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v660.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast_pretty v660.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_session v660.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_parse v660.0.0
[INFO] [stderr] error: environment variable `CFG_RELEASE_CHANNEL` not defined
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_attr-660.0.0/builtin.rs:655:27
[INFO] [stderr]     |
[INFO] [stderr] 655 |             let channel = env!("CFG_RELEASE_CHANNEL");
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: environment variable `CFG_RELEASE` not defined
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_attr-660.0.0/builtin.rs:657:48
[INFO] [stderr]     |
[INFO] [stderr] 657 |             let rustc_version = Version::parse(env!("CFG_RELEASE")).unwrap();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_attr`.
[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] [stderr] error: build failed
[INFO] running `"docker" "inspect" "83d6740a500cdd8a52525d8de1409b78b7c98abb1f4aaebfe7ab128a1e6cebbe"`
[INFO] running `"docker" "rm" "-f" "83d6740a500cdd8a52525d8de1409b78b7c98abb1f4aaebfe7ab128a1e6cebbe"`
[INFO] [stdout] 83d6740a500cdd8a52525d8de1409b78b7c98abb1f4aaebfe7ab128a1e6cebbe