[INFO] fetching crate mirl 9.2.0...
[INFO] testing mirl-9.2.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate mirl 9.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mirl 9.2.0
[INFO] finished tweaking crates.io crate mirl 9.2.0
[INFO] tweaked toml for crates.io crate mirl 9.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mirl 9.2.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mirl 9.2.0 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libredox v0.1.4
[INFO] [stderr]   Downloaded pastey v0.2.1
[INFO] [stderr]   Downloaded bitcode_derive v0.6.9
[INFO] [stderr]   Downloaded resvg v0.45.1
[INFO] [stderr]   Downloaded macos-accessibility-client v0.0.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.7
[INFO] [stderr]   Downloaded dwrote v0.11.3
[INFO] [stderr]   Downloaded rgb v0.8.52
[INFO] [stderr]   Downloaded svgtypes v0.15.3
[INFO] [stderr]   Downloaded bitcode v0.6.9
[INFO] [stderr]   Downloaded derive_more-impl v2.1.0
[INFO] [stderr]   Downloaded minifb v0.28.0
[INFO] [stderr]   Downloaded glfw v0.51.0
[INFO] [stderr]   Downloaded fontdue v0.9.3
[INFO] [stderr]   Downloaded kurbo v0.11.2
[INFO] [stderr]   Downloaded usvg v0.45.1
[INFO] [stderr]   Downloaded derive_more v2.1.0
[INFO] [stderr]   Downloaded font-kit v0.11.0
[INFO] [stderr]   Downloaded wincode v0.4.5
[INFO] [stderr]   Downloaded enum_ext v0.5.2
[INFO] [stderr]   Downloaded raw-window-handle v0.5.2
[INFO] [stderr]   Downloaded simplecss v0.2.2
[INFO] [stderr]   Downloaded core-graphics v0.22.3
[INFO] [stderr]   Downloaded rustix v1.0.8
[INFO] [stderr]   Downloaded core-text v19.2.0
[INFO] [stderr]   Downloaded float-ord v0.2.0
[INFO] [stderr]   Downloaded freetype v0.7.2
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.5
[INFO] [stderr]   Downloaded imagesize v0.13.0
[INFO] [stderr]   Downloaded wincode-derive v0.4.3
[INFO] [stderr]   Downloaded readkey v0.2.2
[INFO] [stderr]   Downloaded readmouse v0.2.1
[INFO] [stderr]   Downloaded device_query v4.0.1
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded const-cstr v0.3.0
[INFO] [stderr]   Downloaded yeslogic-fontconfig-sys v3.2.0
[INFO] [stderr]   Downloaded glfw-sys v4.0.0+3.3.5
[INFO] [stderr]   Downloaded gl v0.14.0
[INFO] [stderr]   Downloaded x11 v2.21.0
[INFO] [stderr]   Downloaded freetype-sys v0.20.1
[INFO] [stderr]   Downloaded masstree v0.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 70d9994185f2995038d56da649688ac5eb7f09be564f08dd881255bcd6c8e0d3
[INFO] running `Command { std: "docker" "start" "-a" "70d9994185f2995038d56da649688ac5eb7f09be564f08dd881255bcd6c8e0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70d9994185f2995038d56da649688ac5eb7f09be564f08dd881255bcd6c8e0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70d9994185f2995038d56da649688ac5eb7f09be564f08dd881255bcd6c8e0d3", kill_on_drop: false }`
[INFO] [stdout] 70d9994185f2995038d56da649688ac5eb7f09be564f08dd881255bcd6c8e0d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90382f8107a8c54ef655ae82819f057b6529f7aed3ec4ff08eaa0a7e8cdc9bad
[INFO] running `Command { std: "docker" "start" "-a" "90382f8107a8c54ef655ae82819f057b6529f7aed3ec4ff08eaa0a7e8cdc9bad", kill_on_drop: false }`
[INFO] [stderr]    Compiling mirl v9.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of an internal attribute
[INFO] [stdout]    --> src/text/mod.rs:111:1
[INFO] [stdout]     |
[INFO] [stdout] 111 | #[rustc_allow_const_fn_unstable(const_eval_select)] // fallback impl has same behavior
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable
[INFO] [stdout]     = note: the `#[rustc_allow_const_fn_unstable]` attribute is an internal implementation detail that will never be stable
[INFO] [stdout]     = note: rustc_allow_const_fn_unstable side-steps feature gating and stability checks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of an internal attribute
[INFO] [stdout]    --> src/text/mod.rs:253:1
[INFO] [stdout]     |
[INFO] [stdout] 253 | #[rustc_allow_const_fn_unstable(const_eval_select)] // fallback impl has same behavior
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable
[INFO] [stdout]     = note: the `#[rustc_allow_const_fn_unstable]` attribute is an internal implementation detail that will never be stable
[INFO] [stdout]     = note: rustc_allow_const_fn_unstable side-steps feature gating and stability checks
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `rustc_allow_const_fn_unstable`
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | #![feature(rustc_allow_const_fn_unstable)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mirl` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "90382f8107a8c54ef655ae82819f057b6529f7aed3ec4ff08eaa0a7e8cdc9bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90382f8107a8c54ef655ae82819f057b6529f7aed3ec4ff08eaa0a7e8cdc9bad", kill_on_drop: false }`
[INFO] [stdout] 90382f8107a8c54ef655ae82819f057b6529f7aed3ec4ff08eaa0a7e8cdc9bad
