[INFO] fetching crate priority-queue 1.0.3...
[INFO] checking priority-queue-1.0.3 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate priority-queue 1.0.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate priority-queue 1.0.3 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate priority-queue 1.0.3
[INFO] finished tweaking crates.io crate priority-queue 1.0.3
[INFO] tweaked toml for crates.io crate priority-queue 1.0.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9411827be8c780206983db6b50c7393a6a15eb41fe7eea2d9a34a7419b6b7ed
[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" "f9411827be8c780206983db6b50c7393a6a15eb41fe7eea2d9a34a7419b6b7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9411827be8c780206983db6b50c7393a6a15eb41fe7eea2d9a34a7419b6b7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9411827be8c780206983db6b50c7393a6a15eb41fe7eea2d9a34a7419b6b7ed", kill_on_drop: false }`
[INFO] [stdout] f9411827be8c780206983db6b50c7393a6a15eb41fe7eea2d9a34a7419b6b7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 243cb8b0301a7e15b90454d386acdf69f38e597ab2adfe9ffc2223797e19d72f
[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" "243cb8b0301a7e15b90454d386acdf69f38e597ab2adfe9ffc2223797e19d72f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling priority-queue v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_test v1.0.118
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.95s
[INFO] running `Command { std: "docker" "inspect" "243cb8b0301a7e15b90454d386acdf69f38e597ab2adfe9ffc2223797e19d72f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243cb8b0301a7e15b90454d386acdf69f38e597ab2adfe9ffc2223797e19d72f", kill_on_drop: false }`
[INFO] [stdout] 243cb8b0301a7e15b90454d386acdf69f38e597ab2adfe9ffc2223797e19d72f