[INFO] fetching crate image 0.24.2...
[INFO] checking image-0.24.2 against try#56723e30e40b52b73b9722d31caeec71c84a0ed4 for pr-98370
[INFO] extracting crate image 0.24.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate image 0.24.2 on toolchain 56723e30e40b52b73b9722d31caeec71c84a0ed4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate image 0.24.2
[INFO] finished tweaking crates.io crate image 0.24.2
[INFO] tweaked toml for crates.io crate image 0.24.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate image 0.24.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef81b03431741f8be6444defd243be4cd310fccc8cf0cecbf0ae896f55626ecb
[INFO] running `Command { std: "docker" "start" "-a" "ef81b03431741f8be6444defd243be4cd310fccc8cf0cecbf0ae896f55626ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef81b03431741f8be6444defd243be4cd310fccc8cf0cecbf0ae896f55626ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef81b03431741f8be6444defd243be4cd310fccc8cf0cecbf0ae896f55626ecb", kill_on_drop: false }`
[INFO] [stdout] ef81b03431741f8be6444defd243be4cd310fccc8cf0cecbf0ae896f55626ecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+56723e30e40b52b73b9722d31caeec71c84a0ed4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4056f22281bd9fa203e1046ce8f5a8b36142aa4fff8064fe94843e8ee8e8edd
[INFO] running `Command { std: "docker" "start" "-a" "c4056f22281bd9fa203e1046ce8f5a8b36142aa4fff8064fe94843e8ee8e8edd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking regex-syntax v0.6.25
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[INFO] [stderr]    Compiling serde_derive v1.0.136
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[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking color_quant v1.1.0
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[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling rayon v1.5.2
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[INFO] [stderr]    Compiling rustc_version v0.4.0
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[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking threadpool v1.8.1
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[INFO] [stderr]     Checking plotters v0.3.1
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[INFO] [stderr]     Checking jpeg-decoder v0.2.4
[INFO] [stderr]     Checking tiff v0.7.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking flume v0.10.12
[INFO] [stderr]     Checking exr v1.4.2
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking image v0.24.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         #[doc = $content] extern { }
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ ---------- rustdoc does not generate documentation for extern block
[INFO] [stdout] ...
[INFO] [stdout] 276 | insert_as_doc!(include_str!("../README.md"));
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `insert_as_doc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/lib.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         #[doc = $content] extern { }
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ ---------- rustdoc does not generate documentation for extern block
[INFO] [stdout] ...
[INFO] [stdout] 276 | insert_as_doc!(include_str!("../README.md"));
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout]     = note: this warning originates in the macro `insert_as_doc` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `image`
[INFO] [stdout]     --> src/dynimage.rs:1325:13
[INFO] [stdout]      |
[INFO] [stdout] 1325 |             image: super::DynamicImage,
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.10s
[INFO] running `Command { std: "docker" "inspect" "c4056f22281bd9fa203e1046ce8f5a8b36142aa4fff8064fe94843e8ee8e8edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4056f22281bd9fa203e1046ce8f5a8b36142aa4fff8064fe94843e8ee8e8edd", kill_on_drop: false }`
[INFO] [stdout] c4056f22281bd9fa203e1046ce8f5a8b36142aa4fff8064fe94843e8ee8e8edd