[INFO] fetching crate include_js_core 0.1.2...
[INFO] testing include_js_core-0.1.2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate include_js_core 0.1.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate include_js_core 0.1.2
[INFO] finished tweaking crates.io crate include_js_core 0.1.2
[INFO] tweaked toml for crates.io crate include_js_core 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate include_js_core 0.1.2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 82 packages to latest compatible versions
[INFO] [stderr]       Adding Boa v0.11.0 (available: v0.13.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gc_derive v0.3.6
[INFO] [stderr]   Downloaded gc v0.3.6
[INFO] [stderr]   Downloaded boa_unicode v0.11.0
[INFO] [stderr]   Downloaded ryu-js v0.2.2
[INFO] [stderr]   Downloaded unicode-general-category v0.3.0
[INFO] [stderr]   Downloaded Boa v0.11.0
[INFO] [stderr]   Downloaded regress v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4c2b79932b60e5869658fc89e526557120e97d36a555a1e51f18b1c572f6606
[INFO] running `Command { std: "docker" "start" "-a" "e4c2b79932b60e5869658fc89e526557120e97d36a555a1e51f18b1c572f6606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c2b79932b60e5869658fc89e526557120e97d36a555a1e51f18b1c572f6606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c2b79932b60e5869658fc89e526557120e97d36a555a1e51f18b1c572f6606", kill_on_drop: false }`
[INFO] [stdout] e4c2b79932b60e5869658fc89e526557120e97d36a555a1e51f18b1c572f6606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 297ad613807bac4ed41ab459e3c3b44b25f81de232b13427f8b98f760f20e447
[INFO] running `Command { std: "docker" "start" "-a" "297ad613807bac4ed41ab459e3c3b44b25f81de232b13427f8b98f760f20e447", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling unicode-general-category v0.3.0
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling ryu-js v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling boa_unicode v0.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling gc_derive v0.3.6
[INFO] [stderr]    Compiling gc v0.3.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling regress v0.2.0
[INFO] [stderr]    Compiling Boa v0.11.0
[INFO] [stderr]    Compiling include_js_core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn_transmute)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `const_fn_transmute` has been stable since `1.56.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_fn_transmute` has been stable since 1.56.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn_transmute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `include_js_core` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "297ad613807bac4ed41ab459e3c3b44b25f81de232b13427f8b98f760f20e447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297ad613807bac4ed41ab459e3c3b44b25f81de232b13427f8b98f760f20e447", kill_on_drop: false }`
[INFO] [stdout] 297ad613807bac4ed41ab459e3c3b44b25f81de232b13427f8b98f760f20e447