[INFO] fetching crate kefta_core 0.0.1...
[INFO] checking kefta_core-0.0.1 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate kefta_core 0.0.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate kefta_core 0.0.1 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kefta_core 0.0.1
[INFO] finished tweaking crates.io crate kefta_core 0.0.1
[INFO] tweaked toml for crates.io crate kefta_core 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87b653bf40b510dbc265c45b593468ee0e0103b2fbb63bfc506cd5beca219223
[INFO] running `Command { std: "docker" "start" "-a" "87b653bf40b510dbc265c45b593468ee0e0103b2fbb63bfc506cd5beca219223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87b653bf40b510dbc265c45b593468ee0e0103b2fbb63bfc506cd5beca219223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b653bf40b510dbc265c45b593468ee0e0103b2fbb63bfc506cd5beca219223", kill_on_drop: false }`
[INFO] [stdout] 87b653bf40b510dbc265c45b593468ee0e0103b2fbb63bfc506cd5beca219223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52c59af43708cb857b08eb438982138e5c935ca5cc18c42aa025b798330a9f0f
[INFO] running `Command { std: "docker" "start" "-a" "52c59af43708cb857b08eb438982138e5c935ca5cc18c42aa025b798330a9f0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking unicode-ident v1.0.11
[INFO] [stderr]     Checking litrs v0.2.3
[INFO] [stderr]     Checking kefta_core v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]  --> src/structs/map.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | const _EMPTY_REF: &Vec<AttrNode> = &_EMPTY;
[INFO] [stdout]   |                                    ^^^^^^^ this borrow of an interior mutable value may end up in the final value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]  --> src/structs/map.rs:8:36
[INFO] [stdout]   |
[INFO] [stdout] 8 | const _EMPTY_REF: &Vec<AttrNode> = &_EMPTY;
[INFO] [stdout]   |                                    ^^^^^^^ this borrow of an interior mutable value may end up in the final value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0492`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0492`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kefta_core` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `kefta_core` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "52c59af43708cb857b08eb438982138e5c935ca5cc18c42aa025b798330a9f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c59af43708cb857b08eb438982138e5c935ca5cc18c42aa025b798330a9f0f", kill_on_drop: false }`
[INFO] [stdout] 52c59af43708cb857b08eb438982138e5c935ca5cc18c42aa025b798330a9f0f
