[INFO] fetching crate hkdf 0.10.0-alpha.0...
[INFO] checking hkdf-0.10.0-alpha.0 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate hkdf 0.10.0-alpha.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hkdf 0.10.0-alpha.0 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hkdf 0.10.0-alpha.0
[INFO] finished tweaking crates.io crate hkdf 0.10.0-alpha.0
[INFO] tweaked toml for crates.io crate hkdf 0.10.0-alpha.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate hkdf 0.10.0-alpha.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--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 hmac v0.10.1
[INFO] [stderr]   Downloaded block-cipher-trait v0.4.2
[INFO] [stderr]   Downloaded crypto-mac v0.4.0
[INFO] [stderr]   Downloaded crypto-tests v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] 6948c76806254a0baf4f315f77c1d18d8a62045a59b09de9565c49fedf49e093
[INFO] running `Command { std: "docker" "start" "-a" "6948c76806254a0baf4f315f77c1d18d8a62045a59b09de9565c49fedf49e093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6948c76806254a0baf4f315f77c1d18d8a62045a59b09de9565c49fedf49e093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6948c76806254a0baf4f315f77c1d18d8a62045a59b09de9565c49fedf49e093", kill_on_drop: false }`
[INFO] [stdout] 6948c76806254a0baf4f315f77c1d18d8a62045a59b09de9565c49fedf49e093
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4558a64f6ad666de998de468e88f5512483e1b2f7a7ff9197024b46173b81f3e
[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" "4558a64f6ad666de998de468e88f5512483e1b2f7a7ff9197024b46173b81f3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[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]     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-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "4558a64f6ad666de998de468e88f5512483e1b2f7a7ff9197024b46173b81f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4558a64f6ad666de998de468e88f5512483e1b2f7a7ff9197024b46173b81f3e", kill_on_drop: false }`
[INFO] [stdout] 4558a64f6ad666de998de468e88f5512483e1b2f7a7ff9197024b46173b81f3e