[INFO] fetching crate buttercup-crypto 0.4.2...
[INFO] checking buttercup-crypto-0.4.2 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate buttercup-crypto 0.4.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate buttercup-crypto 0.4.2 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buttercup-crypto 0.4.2
[INFO] finished tweaking crates.io crate buttercup-crypto 0.4.2
[INFO] tweaked toml for crates.io crate buttercup-crypto 0.4.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0e59da68dafa493abb3090c5a6f488aee994904b604d4a45bee59680ad9dd78
[INFO] running `Command { std: "docker" "start" "-a" "f0e59da68dafa493abb3090c5a6f488aee994904b604d4a45bee59680ad9dd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0e59da68dafa493abb3090c5a6f488aee994904b604d4a45bee59680ad9dd78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e59da68dafa493abb3090c5a6f488aee994904b604d4a45bee59680ad9dd78", kill_on_drop: false }`
[INFO] [stdout] f0e59da68dafa493abb3090c5a6f488aee994904b604d4a45bee59680ad9dd78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d95b5fa111ea52862a2db12054c4682dbf7532f480089377781fb2dd200e84f
[INFO] running `Command { std: "docker" "start" "-a" "1d95b5fa111ea52862a2db12054c4682dbf7532f480089377781fb2dd200e84f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking opaque-debug v0.1.1
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking generic-array v0.9.1
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking block-cipher-trait v0.5.3
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking aes-soft v0.1.0
[INFO] [stderr]     Checking block-modes v0.1.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking pbkdf2 v0.2.3
[INFO] [stderr]     Checking buttercup-crypto v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `Command { std: "docker" "inspect" "1d95b5fa111ea52862a2db12054c4682dbf7532f480089377781fb2dd200e84f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d95b5fa111ea52862a2db12054c4682dbf7532f480089377781fb2dd200e84f", kill_on_drop: false }`
[INFO] [stdout] 1d95b5fa111ea52862a2db12054c4682dbf7532f480089377781fb2dd200e84f