[INFO] cloning repository https://github.com/PlasmaPower/nano-ring-signatures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PlasmaPower/nano-ring-signatures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlasmaPower%2Fnano-ring-signatures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlasmaPower%2Fnano-ring-signatures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff68129353328e34733670a0bcb54b859f47a741
[INFO] checking PlasmaPower/nano-ring-signatures against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPlasmaPower%2Fnano-ring-signatures" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PlasmaPower/nano-ring-signatures on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PlasmaPower/nano-ring-signatures
[INFO] finished tweaking git repo https://github.com/PlasmaPower/nano-ring-signatures
[INFO] tweaked toml for git repo https://github.com/PlasmaPower/nano-ring-signatures written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/PlasmaPower/nano-ring-signatures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a698b1b4168f651eae337fcbf4597e55a387a158cd4b426a46a6900c1de64bae
[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" "a698b1b4168f651eae337fcbf4597e55a387a158cd4b426a46a6900c1de64bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a698b1b4168f651eae337fcbf4597e55a387a158cd4b426a46a6900c1de64bae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a698b1b4168f651eae337fcbf4597e55a387a158cd4b426a46a6900c1de64bae", kill_on_drop: false }`
[INFO] [stdout] a698b1b4168f651eae337fcbf4597e55a387a158cd4b426a46a6900c1de64bae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 749c573418fe376849cf5b5507c829dedaedc2eb078a8b043e84f4e1ee0234e7
[INFO] running `Command { std: "docker" "start" "-a" "749c573418fe376849cf5b5507c829dedaedc2eb078a8b043e84f4e1ee0234e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling subtle v2.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rpassword v3.0.2
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling curve25519-dalek v1.1.4
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling curve25519-dalek v0.20.0
[INFO] [stderr]     Checking ed25519-dalek v0.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking nanocurrency-types v0.3.16
[INFO] [stderr]     Checking nano-ring-signatures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.44s
[INFO] running `Command { std: "docker" "inspect" "749c573418fe376849cf5b5507c829dedaedc2eb078a8b043e84f4e1ee0234e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749c573418fe376849cf5b5507c829dedaedc2eb078a8b043e84f4e1ee0234e7", kill_on_drop: false }`
[INFO] [stdout] 749c573418fe376849cf5b5507c829dedaedc2eb078a8b043e84f4e1ee0234e7