[INFO] fetching crate hkdf 0.9.0...
[INFO] checking hkdf-0.9.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate hkdf 0.9.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate hkdf 0.9.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hkdf 0.9.0
[INFO] finished tweaking crates.io crate hkdf 0.9.0
[INFO] tweaked toml for crates.io crate hkdf 0.9.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate hkdf 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded block-cipher-trait v0.4.2
[INFO] [stderr]   Downloaded sha2 v0.9.0
[INFO] [stderr]   Downloaded crypto-tests v0.5.5
[INFO] [stderr]   Downloaded block-buffer v0.8.0
[INFO] [stderr]   Downloaded sha-1 v0.9.0
[INFO] [stderr]   Downloaded hmac v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88ac7e5581fd433321266679bfd67fcb8b0fb02de74898c7bb9cf911e150a3f6
[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" "88ac7e5581fd433321266679bfd67fcb8b0fb02de74898c7bb9cf911e150a3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88ac7e5581fd433321266679bfd67fcb8b0fb02de74898c7bb9cf911e150a3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88ac7e5581fd433321266679bfd67fcb8b0fb02de74898c7bb9cf911e150a3f6", kill_on_drop: false }`
[INFO] [stdout] 88ac7e5581fd433321266679bfd67fcb8b0fb02de74898c7bb9cf911e150a3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 3c52bb33c5502fc63f208ff33984f78f81c8b60d84da553229f036e5236eec92
[INFO] running `Command { std: "docker" "start" "-a" "3c52bb33c5502fc63f208ff33984f78f81c8b60d84da553229f036e5236eec92", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking block-cipher-trait v0.4.2
[INFO] [stderr]     Checking crypto-tests v0.5.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking sha-1 v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.0
[INFO] [stderr]     Checking hmac v0.8.0
[INFO] [stderr]     Checking hkdf v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "3c52bb33c5502fc63f208ff33984f78f81c8b60d84da553229f036e5236eec92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c52bb33c5502fc63f208ff33984f78f81c8b60d84da553229f036e5236eec92", kill_on_drop: false }`
[INFO] [stdout] 3c52bb33c5502fc63f208ff33984f78f81c8b60d84da553229f036e5236eec92