[INFO] fetching crate colorsys 0.6.0...
[INFO] checking colorsys-0.6.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate colorsys 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate colorsys 0.6.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate colorsys 0.6.0
[INFO] finished tweaking crates.io crate colorsys 0.6.0
[INFO] tweaked toml for crates.io crate colorsys 0.6.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 93fc8de29602289c9a79d4a469b8e18d813a290a4a9a139a48a91b1d35db4488
[INFO] running `Command { std: "docker" "start" "-a" "93fc8de29602289c9a79d4a469b8e18d813a290a4a9a139a48a91b1d35db4488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93fc8de29602289c9a79d4a469b8e18d813a290a4a9a139a48a91b1d35db4488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93fc8de29602289c9a79d4a469b8e18d813a290a4a9a139a48a91b1d35db4488", kill_on_drop: false }`
[INFO] [stdout] 93fc8de29602289c9a79d4a469b8e18d813a290a4a9a139a48a91b1d35db4488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f768e36db211e5bf1729012f582e7827fca87992f144fd0af4a14c9f7543fc96
[INFO] running `Command { std: "docker" "start" "-a" "f768e36db211e5bf1729012f582e7827fca87992f144fd0af4a14c9f7543fc96", kill_on_drop: false }`
[INFO] [stderr]     Checking colorsys v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Hsv`
[INFO] [stdout]   --> src/common/mod.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   Hsv,
[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: variant is never constructed: `Hsv`
[INFO] [stdout]   --> src/common/mod.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   Hsv,
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "f768e36db211e5bf1729012f582e7827fca87992f144fd0af4a14c9f7543fc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f768e36db211e5bf1729012f582e7827fca87992f144fd0af4a14c9f7543fc96", kill_on_drop: false }`
[INFO] [stdout] f768e36db211e5bf1729012f582e7827fca87992f144fd0af4a14c9f7543fc96