[INFO] fetching crate ezel 0.0.1...
[INFO] testing ezel-0.0.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ezel 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate ezel 0.0.1
[INFO] finished tweaking crates.io crate ezel 0.0.1
[INFO] tweaked toml for crates.io crate ezel 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ezel 0.0.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ezel 0.0.1 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" "+1.99.0-beta.8" "fetch" "--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]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622
[INFO] running `Command { std: "docker" "start" "1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
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[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
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[INFO] [stderr]    Compiling cairo-sys-rs v0.14.9
[INFO] [stderr]    Compiling pango-sys v0.14.0
[INFO] [stderr]    Compiling pangocairo-sys v0.14.0
[INFO] [stderr]    Compiling glib v0.14.8
[INFO] [stderr]    Compiling pango v0.14.8
[INFO] [stderr]    Compiling cairo-rs v0.14.9
[INFO] [stderr]    Compiling pangocairo v0.14.0
[INFO] [stderr]    Compiling piet-cairo v0.5.0
[INFO] [stderr]    Compiling piet-common v0.5.0
[INFO] [stderr]    Compiling polars-arrow v0.20.0
[INFO] [stderr]    Compiling polars-core v0.20.0
[INFO] [stderr]    Compiling polars-io v0.20.0
[INFO] [stderr]    Compiling polars-time v0.20.0
[INFO] [stderr]    Compiling polars-lazy v0.20.0
[INFO] [stderr]    Compiling polars v0.20.0
[INFO] [stderr]    Compiling ezel v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `graph`
[INFO] [stdout]   --> src/lib.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[cfg(feature = "graph")]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `advise`, `default`, `gg`, `piet-svg`, `png`, and `svg`
[INFO] [stdout]    = help: consider adding `graph` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::f64::EPSILON`: replaced by the `EPSILON` associated constant on `f64`
[INFO] [stdout]  --> src/cartesian/labeling/plotters.rs:9:52
[INFO] [stdout]   |
[INFO] [stdout] 9 |     if (range.start - range.end).abs() < std::f64::EPSILON {
[INFO] [stdout]   |                                                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` 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 `ezel` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622", kill_on_drop: false }`
[INFO] [stdout] 1637f6bfabca63e749175f01c3bd648f9d36eaeaad4aa09ae8300ae90c298622
