[INFO] fetching crate color-convert 0.1.0...
[INFO] checking color-convert-0.1.0 against beta for pr-78714
[INFO] extracting crate color-convert 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate color-convert 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate color-convert 0.1.0
[INFO] finished tweaking crates.io crate color-convert 0.1.0
[INFO] tweaked toml for crates.io crate color-convert 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b93d50642dca63705f52e7b9b1c4d7f2a7e026ceed06db2ea79df6a70d87aa2d
[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" "b93d50642dca63705f52e7b9b1c4d7f2a7e026ceed06db2ea79df6a70d87aa2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b93d50642dca63705f52e7b9b1c4d7f2a7e026ceed06db2ea79df6a70d87aa2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93d50642dca63705f52e7b9b1c4d7f2a7e026ceed06db2ea79df6a70d87aa2d", kill_on_drop: false }`
[INFO] [stdout] b93d50642dca63705f52e7b9b1c4d7f2a7e026ceed06db2ea79df6a70d87aa2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69821f87989ff40b12fe007fd75a837a671011eb895520d8f677d559372c7c75
[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" "69821f87989ff40b12fe007fd75a837a671011eb895520d8f677d559372c7c75", kill_on_drop: false }`
[INFO] [stderr]     Checking color-convert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/handles/hex.rs:48:90
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let data = (map::map_hex(hex_vec[6]) * 16 + map::map_hex(hex_vec[7])) as f32 / 255f32;;
[INFO] [stdout]    |                                                                                                   ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/handles/hex.rs:48:90
[INFO] [stdout]    |
[INFO] [stdout] 48 |             let data = (map::map_hex(hex_vec[6]) * 16 + map::map_hex(hex_vec[7])) as f32 / 255f32;;
[INFO] [stdout]    |                                                                                                   ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/handles/hsl.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut s = utils::convert_alpha_value_to_number(&value["s"]);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/handles/hsl.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut l = utils::convert_alpha_value_to_number(&value["l"]);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/handles/hsl.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut s = utils::convert_alpha_value_to_number(&value["s"]);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/handles/hsl.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut l = utils::convert_alpha_value_to_number(&value["l"]);
[INFO] [stdout]    |             ----^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "69821f87989ff40b12fe007fd75a837a671011eb895520d8f677d559372c7c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69821f87989ff40b12fe007fd75a837a671011eb895520d8f677d559372c7c75", kill_on_drop: false }`
[INFO] [stdout] 69821f87989ff40b12fe007fd75a837a671011eb895520d8f677d559372c7c75