[INFO] fetching crate uvt-plot 0.1.1...
[INFO] checking uvt-plot-0.1.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate uvt-plot 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate uvt-plot 0.1.1
[INFO] finished tweaking crates.io crate uvt-plot 0.1.1
[INFO] tweaked toml for crates.io crate uvt-plot 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate uvt-plot 0.1.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate uvt-plot 0.1.1 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumset v1.1.6
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[INFO] [stderr]   Downloaded uvt v0.1.0
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[INFO] [stderr]   Downloaded freetype-sys v0.20.1
[INFO] [stderr]   Downloaded vtkio v0.6.3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd9c27ffe842072824cee8b62ef6195e00cff54f543d799507ecfb4d6e31dc3c
[INFO] running `Command { std: "docker" "start" "-a" "dd9c27ffe842072824cee8b62ef6195e00cff54f543d799507ecfb4d6e31dc3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd9c27ffe842072824cee8b62ef6195e00cff54f543d799507ecfb4d6e31dc3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd9c27ffe842072824cee8b62ef6195e00cff54f543d799507ecfb4d6e31dc3c", kill_on_drop: false }`
[INFO] [stdout] dd9c27ffe842072824cee8b62ef6195e00cff54f543d799507ecfb4d6e31dc3c
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a02db92279e95acba2f613901ed25c3231f3f0a02c39696df1527179a919dad
[INFO] running `Command { std: "docker" "start" "-a" "8a02db92279e95acba2f613901ed25c3231f3f0a02c39696df1527179a919dad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking adler2 v2.0.0
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[INFO] [stderr]     Checking bytemuck v1.23.0
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[INFO] [stderr]    Compiling yeslogic-fontconfig-sys v6.0.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling binrw_derive v0.12.0
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling pathfinder_simd v0.5.5
[INFO] [stderr]     Checking libloading v0.8.8
[INFO] [stderr]    Compiling owo-colors v3.5.0
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[INFO] [stderr]    Compiling darling_macro v0.20.11
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[INFO] [stderr]     Checking uvt-plot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `z_span`
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let z_span = (z_min, z_max);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_z_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z_span`
[INFO] [stdout]    --> src/lib.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let z_span = (z_min, z_max);
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_z_span`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.59s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1, quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "8a02db92279e95acba2f613901ed25c3231f3f0a02c39696df1527179a919dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a02db92279e95acba2f613901ed25c3231f3f0a02c39696df1527179a919dad", kill_on_drop: false }`
[INFO] [stdout] 8a02db92279e95acba2f613901ed25c3231f3f0a02c39696df1527179a919dad