[INFO] fetching crate rustc-ap-rustc_expand 720.0.0...
[INFO] testing rustc-ap-rustc_expand-720.0.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate rustc-ap-rustc_expand 720.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rustc-ap-rustc_expand 720.0.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustc-ap-rustc_expand 720.0.0
[INFO] finished tweaking crates.io crate rustc-ap-rustc_expand 720.0.0
[INFO] tweaked toml for crates.io crate rustc-ap-rustc_expand 720.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-ap-rustc_ast_passes v720.0.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_parse v720.0.0
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded rustc-ap-rustc_attr v720.0.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1873c606c38164e18cd9463533b5649f43e4a5d85c6e9826e01981f71e772da3
[INFO] running `Command { std: "docker" "start" "-a" "1873c606c38164e18cd9463533b5649f43e4a5d85c6e9826e01981f71e772da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1873c606c38164e18cd9463533b5649f43e4a5d85c6e9826e01981f71e772da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1873c606c38164e18cd9463533b5649f43e4a5d85c6e9826e01981f71e772da3", kill_on_drop: false }`
[INFO] [stdout] 1873c606c38164e18cd9463533b5649f43e4a5d85c6e9826e01981f71e772da3
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba9058a88228a9cf54d29e261809699a6b2a1a0dc62d1969aa7bcebc7048389b
[INFO] running `Command { std: "docker" "start" "-a" "ba9058a88228a9cf54d29e261809699a6b2a1a0dc62d1969aa7bcebc7048389b", kill_on_drop: false }`
[INFO] [stderr]    Compiling annotate-snippets v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling rustc-ap-rustc_fs_util v720.0.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v720.0.0
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termize v0.1.1
[INFO] [stderr]    Compiling rustc-ap-rustc_target v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_feature v720.0.0
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast v720.0.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rustc-ap-rustc_lint_defs v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_ast_pretty v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_errors v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_session v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_attr v720.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_parse v720.0.0
[INFO] [stdout] error: environment variable `CFG_RELEASE` not defined
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc-ap-rustc_attr-720.0.0/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] [stderr] error: could not compile `rustc-ap-rustc_attr`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "ba9058a88228a9cf54d29e261809699a6b2a1a0dc62d1969aa7bcebc7048389b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9058a88228a9cf54d29e261809699a6b2a1a0dc62d1969aa7bcebc7048389b", kill_on_drop: false }`
[INFO] [stdout] ba9058a88228a9cf54d29e261809699a6b2a1a0dc62d1969aa7bcebc7048389b