[INFO] fetching crate safe_http 0.1.0-beta.4...
[INFO] checking safe_http-0.1.0-beta.4 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate safe_http 0.1.0-beta.4 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate safe_http 0.1.0-beta.4 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 safe_http 0.1.0-beta.4
[INFO] finished tweaking crates.io crate safe_http 0.1.0-beta.4
[INFO] tweaked toml for crates.io crate safe_http 0.1.0-beta.4 written to /workspace/builds/worker-4-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]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d2af32be0fed82411eae76f6ca83c93b6b09c2f396183662d66b25f2cd66818e
[INFO] running `Command { std: "docker" "start" "-a" "d2af32be0fed82411eae76f6ca83c93b6b09c2f396183662d66b25f2cd66818e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2af32be0fed82411eae76f6ca83c93b6b09c2f396183662d66b25f2cd66818e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2af32be0fed82411eae76f6ca83c93b6b09c2f396183662d66b25f2cd66818e", kill_on_drop: false }`
[INFO] [stdout] d2af32be0fed82411eae76f6ca83c93b6b09c2f396183662d66b25f2cd66818e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6e2cf1bf21406fa4dafef1eec4e162dbfa8129c0870bc4597236b05abb4dc3c5
[INFO] running `Command { std: "docker" "start" "-a" "6e2cf1bf21406fa4dafef1eec4e162dbfa8129c0870bc4597236b05abb4dc3c5", kill_on_drop: false }`
[INFO] [stderr]     Checking shared_bytes v0.1.0-beta.4
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking safe_uri v0.1.0-beta.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking safe_http v0.1.0-beta.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stdout] error[E0492]: constants cannot refer to interior mutable data
[INFO] [stdout]    --> src/header_name/constants.rs:300:61
[INFO] [stdout]     |
[INFO] [stdout] 300 |       pub(super) const GENERATED_CONSTANTS: &'static [Self] = &[
[INFO] [stdout]     |  _____________________________________________________________^
[INFO] [stdout] 301 | |         Self::ACCEPT,
[INFO] [stdout] 302 | |         Self::ACCEPT_CHARSET,
[INFO] [stdout] 303 | |         Self::ACCEPT_ENCODING,
[INFO] [stdout] ...   |
[INFO] [stdout] 359 | |         Self::X_CONTENT_TYPE_OPTIONS,
[INFO] [stdout] 360 | |     ];
[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] [stderr] error: could not compile `safe_http` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6e2cf1bf21406fa4dafef1eec4e162dbfa8129c0870bc4597236b05abb4dc3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2cf1bf21406fa4dafef1eec4e162dbfa8129c0870bc4597236b05abb4dc3c5", kill_on_drop: false }`
[INFO] [stdout] 6e2cf1bf21406fa4dafef1eec4e162dbfa8129c0870bc4597236b05abb4dc3c5
