[INFO] fetching crate hkdf 0.10.0...
[INFO] checking hkdf-0.10.0 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate hkdf 0.10.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate hkdf 0.10.0 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hkdf 0.10.0
[INFO] finished tweaking crates.io crate hkdf 0.10.0
[INFO] tweaked toml for crates.io crate hkdf 0.10.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate hkdf 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded generic-array v0.8.3
[INFO] [stderr]   Downloaded digest v0.6.2
[INFO] [stderr]   Downloaded block-cipher-trait v0.4.2
[INFO] [stderr]   Downloaded crypto-tests v0.5.5
[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" "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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] 51af65924f5d60c4cd57d734a49b991d62224e126c4131b3424b65d2b6061616
[INFO] running `Command { std: "docker" "start" "-a" "51af65924f5d60c4cd57d734a49b991d62224e126c4131b3424b65d2b6061616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51af65924f5d60c4cd57d734a49b991d62224e126c4131b3424b65d2b6061616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51af65924f5d60c4cd57d734a49b991d62224e126c4131b3424b65d2b6061616", kill_on_drop: false }`
[INFO] [stdout] 51af65924f5d60c4cd57d734a49b991d62224e126c4131b3424b65d2b6061616
[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" "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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] ce74f42d3eb56b5c3f682013e537b6896a78094e3a1d97841b5c6cffc01e286e
[INFO] running `Command { std: "docker" "start" "-a" "ce74f42d3eb56b5c3f682013e537b6896a78094e3a1d97841b5c6cffc01e286e", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-cipher-trait v0.4.2
[INFO] [stderr]     Checking crypto-tests v0.5.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking hkdf v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "ce74f42d3eb56b5c3f682013e537b6896a78094e3a1d97841b5c6cffc01e286e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce74f42d3eb56b5c3f682013e537b6896a78094e3a1d97841b5c6cffc01e286e", kill_on_drop: false }`
[INFO] [stdout] ce74f42d3eb56b5c3f682013e537b6896a78094e3a1d97841b5c6cffc01e286e