[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 master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyfreeweb%2Fimgroll" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myfreeweb/imgroll on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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-2/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c2f0f482afb4d84b8207ac6c2c1e675747927b6d342cecb3fca5cb86a387782
[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" "3c2f0f482afb4d84b8207ac6c2c1e675747927b6d342cecb3fca5cb86a387782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c2f0f482afb4d84b8207ac6c2c1e675747927b6d342cecb3fca5cb86a387782", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2f0f482afb4d84b8207ac6c2c1e675747927b6d342cecb3fca5cb86a387782", kill_on_drop: false }`
[INFO] [stdout] 3c2f0f482afb4d84b8207ac6c2c1e675747927b6d342cecb3fca5cb86a387782
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e036a3d7d0a147668e977f46a91e1b5158791acfdf008d84b972e00589a81086
[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" "e036a3d7d0a147668e977f46a91e1b5158791acfdf008d84b972e00589a81086", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
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[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling clang-sys v0.28.1
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[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling rusoto_core v0.43.0-beta.1
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[INFO] [stderr]    Compiling num_cpus v1.12.0
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[INFO] [stderr]     Checking crossbeam-deque v0.7.2
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[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling nasm-rs v0.1.7
[INFO] [stderr]    Compiling mozjpeg-sys v0.10.2
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
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[INFO] [stderr]     Checking webpki-roots v0.17.0
[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 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]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking snafu v0.6.2
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[INFO] [stderr]     Checking tokio-rustls v0.12.2
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[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]    Compiling og-libwebp-sys v0.1.1
[INFO] [stderr]     Checking hyper-rustls v0.19.2 (https://github.com/ctz/hyper-rustls#f51987a4)
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking rgb v0.8.16
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]     Checking rexiv2 v0.9.0
[INFO] [stderr]     Checking lodepng v2.5.0
[INFO] [stderr]     Checking mozjpeg v0.8.15
[INFO] [stderr]     Checking color-thief v0.1.0 (https://github.com/RazrFalcon/color-thief-rs#bb7e77c2)
[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 05s
[INFO] running `Command { std: "docker" "inspect" "e036a3d7d0a147668e977f46a91e1b5158791acfdf008d84b972e00589a81086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e036a3d7d0a147668e977f46a91e1b5158791acfdf008d84b972e00589a81086", kill_on_drop: false }`
[INFO] [stdout] e036a3d7d0a147668e977f46a91e1b5158791acfdf008d84b972e00589a81086