[INFO] fetching crate rustc-ap-rustc_expand 727.0.0...
[INFO] checking rustc-ap-rustc_expand-727.0.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate rustc-ap-rustc_expand 727.0.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_expand 727.0.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_expand 727.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_expand 727.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_expand 727.0.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a5b79e0a0bc191b01f28f4bc46f6c3f6ca3fb43c47a84956a56472ac2a11dd4
[INFO] running `Command { std: "docker" "start" "-a" "2a5b79e0a0bc191b01f28f4bc46f6c3f6ca3fb43c47a84956a56472ac2a11dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a5b79e0a0bc191b01f28f4bc46f6c3f6ca3fb43c47a84956a56472ac2a11dd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5b79e0a0bc191b01f28f4bc46f6c3f6ca3fb43c47a84956a56472ac2a11dd4", kill_on_drop: false }`
[INFO] [stdout] 2a5b79e0a0bc191b01f28f4bc46f6c3f6ca3fb43c47a84956a56472ac2a11dd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cf0779db6892b41216b3de7f60dbc9199827f92388dc821cb68bdd2acaea2e5
[INFO] running `Command { std: "docker" "start" "-a" "4cf0779db6892b41216b3de7f60dbc9199827f92388dc821cb68bdd2acaea2e5", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rustc-rayon-core v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking rustc-ap-rustc_graphviz v727.0.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking annotate-snippets v0.8.0
[INFO] [stderr]     Checking rustc-ap-rustc_fs_util v727.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking memmap2 v0.2.3
[INFO] [stderr]     Checking jobserver v0.1.24
[INFO] [stderr]     Checking termize v0.1.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v727.0.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking measureme v9.1.2
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]     Checking rustc-ap-rustc_serialize v727.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking rustc-rayon v0.3.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v727.0.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking rustc-ap-rustc_index v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_arena v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_span v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_target v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_feature v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_lint_defs v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_ast_pretty v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_session v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_attr v727.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_parse v727.0.0
[INFO] [stdout] error: environment variable `CFG_RELEASE` not defined
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_attr-727.0.0/src/builtin.rs:594:47
[INFO] [stdout]     |
[INFO] [stdout] 594 |             let rustc_version = parse_version(env!("CFG_RELEASE"), true).unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustc-ap-rustc_attr` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4cf0779db6892b41216b3de7f60dbc9199827f92388dc821cb68bdd2acaea2e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf0779db6892b41216b3de7f60dbc9199827f92388dc821cb68bdd2acaea2e5", kill_on_drop: false }`
[INFO] [stdout] 4cf0779db6892b41216b3de7f60dbc9199827f92388dc821cb68bdd2acaea2e5