[INFO] fetching crate double-checked-cell 2.1.0...
[INFO] checking double-checked-cell-2.1.0 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate double-checked-cell 2.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate double-checked-cell 2.1.0 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate double-checked-cell 2.1.0
[INFO] finished tweaking crates.io crate double-checked-cell 2.1.0
[INFO] tweaked toml for crates.io crate double-checked-cell 2.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v0.1.2
[INFO] [stderr]   Downloaded variance v0.1.3
[INFO] [stderr]   Downloaded scoped-pool v1.0.0
[INFO] [stderr]   Downloaded crossbeam v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 560284e047717f9066ec8fb6c1a77f910fe0a6c2d79cf61072cc7bf4d5b1332f
[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" "560284e047717f9066ec8fb6c1a77f910fe0a6c2d79cf61072cc7bf4d5b1332f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "560284e047717f9066ec8fb6c1a77f910fe0a6c2d79cf61072cc7bf4d5b1332f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "560284e047717f9066ec8fb6c1a77f910fe0a6c2d79cf61072cc7bf4d5b1332f", kill_on_drop: false }`
[INFO] [stdout] 560284e047717f9066ec8fb6c1a77f910fe0a6c2d79cf61072cc7bf4d5b1332f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21480fe9fe43d8f631f2e34c0f37473b2a7f835f7cd3b42a46b0cac9efafb591
[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" "21480fe9fe43d8f631f2e34c0f37473b2a7f835f7cd3b42a46b0cac9efafb591", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking variance v0.1.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking scopeguard v0.1.2
[INFO] [stderr]     Checking double-checked-cell v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking scoped-pool v1.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "21480fe9fe43d8f631f2e34c0f37473b2a7f835f7cd3b42a46b0cac9efafb591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21480fe9fe43d8f631f2e34c0f37473b2a7f835f7cd3b42a46b0cac9efafb591", kill_on_drop: false }`
[INFO] [stdout] 21480fe9fe43d8f631f2e34c0f37473b2a7f835f7cd3b42a46b0cac9efafb591