[INFO] fetching crate img 0.1.0...
[INFO] checking img-0.1.0 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate img 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate img 0.1.0 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate img 0.1.0
[INFO] finished tweaking crates.io crate img 0.1.0
[INFO] tweaked toml for crates.io crate img 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56557b928c71f64c95f5a1c6a3679fffcd02430d6d1191698e5ce7a7bb116069
[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" "56557b928c71f64c95f5a1c6a3679fffcd02430d6d1191698e5ce7a7bb116069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56557b928c71f64c95f5a1c6a3679fffcd02430d6d1191698e5ce7a7bb116069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56557b928c71f64c95f5a1c6a3679fffcd02430d6d1191698e5ce7a7bb116069", kill_on_drop: false }`
[INFO] [stdout] 56557b928c71f64c95f5a1c6a3679fffcd02430d6d1191698e5ce7a7bb116069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de2455f5ec75351291951c88fbe1f185ac28674686dde5b169582d6e59ec0a5e
[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" "de2455f5ec75351291951c88fbe1f185ac28674686dde5b169582d6e59ec0a5e", kill_on_drop: false }`
[INFO] [stderr]     Checking img v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: where clauses are not enforced in type aliases
[INFO] [stdout]   --> src/image/impl_buffer.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type ImageBufferVal<PixelP> where PixelP: Pixel = ImageVal<ImageBuffer<PixelP>>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the clause will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type ImageBufferVal<PixelP>  = ImageVal<ImageBuffer<PixelP>>;
[INFO] [stdout]    |                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]   --> src/scalar/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     a + b;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused comparison that must be used
[INFO] [stdout]   --> src/scalar/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     a == b;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: where clauses are not enforced in type aliases
[INFO] [stdout]   --> src/image/impl_buffer.rs:18:39
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type ImageBufferVal<PixelP> where PixelP: Pixel = ImageVal<ImageBuffer<PixelP>>;
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the clause will not be checked when the type alias is used, and should be removed
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type ImageBufferVal<PixelP>  = ImageVal<ImageBuffer<PixelP>>;
[INFO] [stdout]    |                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de2455f5ec75351291951c88fbe1f185ac28674686dde5b169582d6e59ec0a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2455f5ec75351291951c88fbe1f185ac28674686dde5b169582d6e59ec0a5e", kill_on_drop: false }`
[INFO] [stdout] de2455f5ec75351291951c88fbe1f185ac28674686dde5b169582d6e59ec0a5e