[INFO] cloning repository https://github.com/myfreeweb/imgroll
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myfreeweb/imgroll" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fimgroll", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fimgroll'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b37ee2519cf3791cea40527524db398dc3c01a13
[INFO] checking myfreeweb/imgroll against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fimgroll" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myfreeweb/imgroll on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myfreeweb/imgroll
[INFO] finished tweaking git repo https://github.com/myfreeweb/imgroll
[INFO] tweaked toml for git repo https://github.com/myfreeweb/imgroll written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/myfreeweb/imgroll already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/ctz/hyper-rustls`
[INFO] [stderr]     Updating git repository `https://github.com/ctz/rustls-native-certs`
[INFO] [stderr]     Updating git repository `https://github.com/RazrFalcon/color-thief-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusoto_credential v0.43.0-beta.1
[INFO] [stderr]   Downloaded rusoto_s3 v0.43.0-beta.1
[INFO] [stderr]   Downloaded lodepng v2.5.0
[INFO] [stderr]   Downloaded rgb v0.8.16
[INFO] [stderr]   Downloaded time v0.2.6
[INFO] [stderr]   Downloaded simple_logger v1.5.0
[INFO] [stderr]   Downloaded aws_lambda_events v0.2.5
[INFO] [stderr]   Downloaded rexiv2 v0.9.0
[INFO] [stderr]   Downloaded nasm-rs v0.1.7
[INFO] [stderr]   Downloaded gexiv2-sys v1.1.1
[INFO] [stderr]   Downloaded rusoto_core v0.43.0-beta.1
[INFO] [stderr]   Downloaded rusoto_signature v0.43.0-beta.1
[INFO] [stderr]   Downloaded tiny-keccak v2.0.1
[INFO] [stderr]   Downloaded zopfli v0.4.0
[INFO] [stderr]   Downloaded mozjpeg v0.8.15
[INFO] [stderr]   Downloaded og-libwebp-sys v0.1.1
[INFO] [stderr]   Downloaded mozjpeg-sys v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e00a67ff51b98d101bce6ae4f727e9a89f13ae9e2946aece70c6a028cd0df244
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e00a67ff51b98d101bce6ae4f727e9a89f13ae9e2946aece70c6a028cd0df244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e00a67ff51b98d101bce6ae4f727e9a89f13ae9e2946aece70c6a028cd0df244", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00a67ff51b98d101bce6ae4f727e9a89f13ae9e2946aece70c6a028cd0df244", kill_on_drop: false }`
[INFO] [stdout] e00a67ff51b98d101bce6ae4f727e9a89f13ae9e2946aece70c6a028cd0df244
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 460590e211154a3858a0fdf1e85fd64d91f9f0cd64d01c93669daa7b0ad894b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "460590e211154a3858a0fdf1e85fd64d91f9f0cd64d01c93669daa7b0ad894b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking itoa v0.4.5
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
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[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]    Compiling typenum v1.11.2
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[INFO] [stderr]    Compiling scopeguard v1.0.0
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[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling rustversion v1.0.2
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[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking inflate v0.4.5
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[INFO] [stderr]    Compiling num-traits v0.2.11
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[INFO] [stderr]    Compiling unicase v2.6.0
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[INFO] [stderr]    Compiling crc v1.8.1
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[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling rusoto_core v0.43.0-beta.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking colored v1.9.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling gexiv2-sys v1.1.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
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[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking zopfli v0.4.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking digest v0.8.1
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[INFO] [stderr]     Checking sha2 v0.8.1
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[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]    Compiling nasm-rs v0.1.7
[INFO] [stderr]    Compiling mozjpeg-sys v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking rustls-native-certs v0.2.1 (https://github.com/ctz/rustls-native-certs#69ca3e00)
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling async-trait v0.1.24
[INFO] [stderr]    Compiling lambda-attributes v0.1.0 (https://github.com/awslabs/aws-lambda-rust-runtime?branch=async-await#006a275a)
[INFO] [stderr]    Compiling snafu-derive v0.6.2
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
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[INFO] [stderr]     Checking snafu v0.6.2
[INFO] [stderr]     Checking time-macros v0.1.0
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[INFO] [stderr]     Checking tokio-rustls v0.12.2
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[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]    Compiling og-libwebp-sys v0.1.1
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rgb v0.8.16
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]     Checking rexiv2 v0.9.0
[INFO] [stderr]     Checking lodepng v2.5.0
[INFO] [stderr]     Checking color-thief v0.1.0 (https://github.com/RazrFalcon/color-thief-rs#bb7e77c2)
[INFO] [stderr]     Checking mozjpeg v0.8.15
[INFO] [stderr]     Checking hyper-rustls v0.19.2 (https://github.com/ctz/hyper-rustls#f51987a4)
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking simple_logger v1.5.0
[INFO] [stderr]     Checking rusoto_credential v0.43.0-beta.1
[INFO] [stderr]     Checking aws_lambda_events v0.2.5
[INFO] [stderr]     Checking lambda v0.1.0 (https://github.com/awslabs/aws-lambda-rust-runtime?branch=async-await#006a275a)
[INFO] [stderr]     Checking rusoto_signature v0.43.0-beta.1
[INFO] [stderr]     Checking rusoto_s3 v0.43.0-beta.1
[INFO] [stderr]     Checking imgroll v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Lossless`
[INFO] [stdout]   --> src/webp.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Lossless,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lossless`
[INFO] [stdout]   --> src/webp.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     Lossless,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 21s
[INFO] running `Command { std: "docker" "inspect" "460590e211154a3858a0fdf1e85fd64d91f9f0cd64d01c93669daa7b0ad894b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "460590e211154a3858a0fdf1e85fd64d91f9f0cd64d01c93669daa7b0ad894b7", kill_on_drop: false }`
[INFO] [stdout] 460590e211154a3858a0fdf1e85fd64d91f9f0cd64d01c93669daa7b0ad894b7