[INFO] fetching crate warmth 0.2.0...
[INFO] checking warmth-0.2.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate warmth 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate warmth 0.2.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warmth 0.2.0
[INFO] finished tweaking crates.io crate warmth 0.2.0
[INFO] tweaked toml for crates.io crate warmth 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c007c3fb07d442ac861452e2b328448432c70abaad01ce90d9844dcb246ec33b
[INFO] running `Command { std: "docker" "start" "-a" "c007c3fb07d442ac861452e2b328448432c70abaad01ce90d9844dcb246ec33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c007c3fb07d442ac861452e2b328448432c70abaad01ce90d9844dcb246ec33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c007c3fb07d442ac861452e2b328448432c70abaad01ce90d9844dcb246ec33b", kill_on_drop: false }`
[INFO] [stdout] c007c3fb07d442ac861452e2b328448432c70abaad01ce90d9844dcb246ec33b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a591c9902c722d674a39986388b3a3d329ef1f54701517c8a77801cfae4d469
[INFO] running `Command { std: "docker" "start" "-a" "8a591c9902c722d674a39986388b3a3d329ef1f54701517c8a77801cfae4d469", kill_on_drop: false }`
[INFO] [stderr]     Checking booties v0.1.1
[INFO] [stderr]     Checking earmuffs v0.1.0
[INFO] [stderr]     Checking snowgoggles v0.1.1
[INFO] [stderr]     Checking parka v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking fluff v0.1.1
[INFO] [stderr]     Checking warmth v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "8a591c9902c722d674a39986388b3a3d329ef1f54701517c8a77801cfae4d469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a591c9902c722d674a39986388b3a3d329ef1f54701517c8a77801cfae4d469", kill_on_drop: false }`
[INFO] [stdout] 8a591c9902c722d674a39986388b3a3d329ef1f54701517c8a77801cfae4d469