[INFO] fetching crate erg_compiler 0.6.18-nightly.2...
[INFO] checking erg_compiler-0.6.18-nightly.2 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate erg_compiler 0.6.18-nightly.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate erg_compiler 0.6.18-nightly.2 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 erg_compiler 0.6.18-nightly.2
[INFO] finished tweaking crates.io crate erg_compiler 0.6.18-nightly.2
[INFO] tweaked toml for crates.io crate erg_compiler 0.6.18-nightly.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate erg_compiler 0.6.18-nightly.2 already has a lockfile, it will not be regenerated
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 38c6d579fe4eb2f8491c8b1b4e508418804e3db080e6a1f2c1f6283683387e5e
[INFO] running `Command { std: "docker" "start" "-a" "38c6d579fe4eb2f8491c8b1b4e508418804e3db080e6a1f2c1f6283683387e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38c6d579fe4eb2f8491c8b1b4e508418804e3db080e6a1f2c1f6283683387e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38c6d579fe4eb2f8491c8b1b4e508418804e3db080e6a1f2c1f6283683387e5e", kill_on_drop: false }`
[INFO] [stdout] 38c6d579fe4eb2f8491c8b1b4e508418804e3db080e6a1f2c1f6283683387e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 944ca501e604448bb56df6d262ce1aa65c4568c835599c0c246cb54f8f6c46f0
[INFO] running `Command { std: "docker" "start" "-a" "944ca501e604448bb56df6d262ce1aa65c4568c835599c0c246cb54f8f6c46f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling erg_common v0.6.18-nightly.2
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking unicode-xid v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]     Checking erg_parser v0.6.18-nightly.2
[INFO] [stderr]    Compiling erg_compiler v0.6.18-nightly.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]    --> context/register.rs:161:20
[INFO] [stdout]     |
[INFO] [stdout] 161 | const UBAR: &Str = &Str::ever("_");
[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]    --> context/register.rs:161:20
[INFO] [stdout]     |
[INFO] [stdout] 161 | const UBAR: &Str = &Str::ever("_");
[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]   --> context/mod.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 | const BUILTINS: &Str = &Str::ever("<builtins>");
[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]   --> context/mod.rs:57:24
[INFO] [stdout]    |
[INFO] [stdout] 57 | const BUILTINS: &Str = &Str::ever("<builtins>");
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^ this borrow of an interior mutable value may end up in the final value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: cannot borrow here, since the borrowed element may contain interior mutability
[INFO] [stdout]    --> hir.rs:476:12
[INFO] [stdout]     |
[INFO] [stdout] 476 |         if ident.vis.is_public() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #80384 <https://github.com/rust-lang/rust/issues/80384> for more information
[INFO] [stdout]     = help: add `#![feature(const_refs_to_cell)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: cannot borrow here, since the borrowed element may contain interior mutability
[INFO] [stdout]    --> hir.rs:476:12
[INFO] [stdout]     |
[INFO] [stdout] 476 |         if ident.vis.is_public() {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #80384 <https://github.com/rust-lang/rust/issues/80384> for more information
[INFO] [stdout]     = help: add `#![feature(const_refs_to_cell)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0492, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0492`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `erg_compiler` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0492, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0492`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `erg_compiler` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "944ca501e604448bb56df6d262ce1aa65c4568c835599c0c246cb54f8f6c46f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944ca501e604448bb56df6d262ce1aa65c4568c835599c0c246cb54f8f6c46f0", kill_on_drop: false }`
[INFO] [stdout] 944ca501e604448bb56df6d262ce1aa65c4568c835599c0c246cb54f8f6c46f0
