[INFO] fetching crate sha2 0.9.3...
[INFO] checking sha2-0.9.3 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate sha2 0.9.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sha2 0.9.3 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sha2 0.9.3
[INFO] finished tweaking crates.io crate sha2 0.9.3
[INFO] tweaked toml for crates.io crate sha2 0.9.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate sha2 0.9.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e3ba7862c256b8671410e46de2befbfeb79a72fab82e3b411f2c5f7831683c7
[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" "2e3ba7862c256b8671410e46de2befbfeb79a72fab82e3b411f2c5f7831683c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e3ba7862c256b8671410e46de2befbfeb79a72fab82e3b411f2c5f7831683c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3ba7862c256b8671410e46de2befbfeb79a72fab82e3b411f2c5f7831683c7", kill_on_drop: false }`
[INFO] [stdout] 2e3ba7862c256b8671410e46de2befbfeb79a72fab82e3b411f2c5f7831683c7
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3307b53ad83a892ac69269e4e0bf8bae37676977aeb8df7405374ee0ae164445
[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" "3307b53ad83a892ac69269e4e0bf8bae37676977aeb8df7405374ee0ae164445", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "3307b53ad83a892ac69269e4e0bf8bae37676977aeb8df7405374ee0ae164445", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3307b53ad83a892ac69269e4e0bf8bae37676977aeb8df7405374ee0ae164445", kill_on_drop: false }`
[INFO] [stdout] 3307b53ad83a892ac69269e4e0bf8bae37676977aeb8df7405374ee0ae164445