[INFO] fetching crate sha2raw 2.1.0...
[INFO] checking sha2raw-2.1.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate sha2raw 2.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sha2raw 2.1.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sha2raw 2.1.0
[INFO] finished tweaking crates.io crate sha2raw 2.1.0
[INFO] tweaked toml for crates.io crate sha2raw 2.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] 733deab82b189b538cf1f9977ae4765c7f557f6b01f25ad1ea3982a5651847e1
[INFO] running `Command { std: "docker" "start" "-a" "733deab82b189b538cf1f9977ae4765c7f557f6b01f25ad1ea3982a5651847e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "733deab82b189b538cf1f9977ae4765c7f557f6b01f25ad1ea3982a5651847e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733deab82b189b538cf1f9977ae4765c7f557f6b01f25ad1ea3982a5651847e1", kill_on_drop: false }`
[INFO] [stdout] 733deab82b189b538cf1f9977ae4765c7f557f6b01f25ad1ea3982a5651847e1
[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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56b3f2d9b2f0a8e2a7ddcfd5636c4eba37320f7c4cf7e40d1e20d60a4290a44e
[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" "56b3f2d9b2f0a8e2a7ddcfd5636c4eba37320f7c4cf7e40d1e20d60a4290a44e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking blobby v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling sha2-asm v0.5.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha2raw v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.26s
[INFO] running `Command { std: "docker" "inspect" "56b3f2d9b2f0a8e2a7ddcfd5636c4eba37320f7c4cf7e40d1e20d60a4290a44e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56b3f2d9b2f0a8e2a7ddcfd5636c4eba37320f7c4cf7e40d1e20d60a4290a44e", kill_on_drop: false }`
[INFO] [stdout] 56b3f2d9b2f0a8e2a7ddcfd5636c4eba37320f7c4cf7e40d1e20d60a4290a44e