[INFO] fetching crate ripple-keypairs 0.1.0...
[INFO] checking ripple-keypairs-0.1.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate ripple-keypairs 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ripple-keypairs 0.1.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ripple-keypairs 0.1.0
[INFO] finished tweaking crates.io crate ripple-keypairs 0.1.0
[INFO] tweaked toml for crates.io crate ripple-keypairs 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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" "+90442458ac46b1d5eed752c316da25450f67285b" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3714be8e82d5119de85be82788a01148c5873ebdf9c6ee36c87f3bb4e9ff1c6b
[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" "3714be8e82d5119de85be82788a01148c5873ebdf9c6ee36c87f3bb4e9ff1c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3714be8e82d5119de85be82788a01148c5873ebdf9c6ee36c87f3bb4e9ff1c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3714be8e82d5119de85be82788a01148c5873ebdf9c6ee36c87f3bb4e9ff1c6b", kill_on_drop: false }`
[INFO] [stdout] 3714be8e82d5119de85be82788a01148c5873ebdf9c6ee36c87f3bb4e9ff1c6b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d5965ad3317b5860d9cec2475436f8f65afab7503a9feeb3e4426388e3e4337
[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" "0d5965ad3317b5860d9cec2475436f8f65afab7503a9feeb3e4426388e3e4337", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking ripple-address-codec v0.1.1
[INFO] [stderr]     Checking ripple-keypairs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.79s
[INFO] running `Command { std: "docker" "inspect" "0d5965ad3317b5860d9cec2475436f8f65afab7503a9feeb3e4426388e3e4337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5965ad3317b5860d9cec2475436f8f65afab7503a9feeb3e4426388e3e4337", kill_on_drop: false }`
[INFO] [stdout] 0d5965ad3317b5860d9cec2475436f8f65afab7503a9feeb3e4426388e3e4337