[INFO] cloning repository https://github.com/kobigurk/librustzcash_omer_external
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kobigurk/librustzcash_omer_external" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Flibrustzcash_omer_external", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Flibrustzcash_omer_external'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f077ebb86cdfff91c09347d6a57c804c189f3b5
[INFO] checking kobigurk/librustzcash_omer_external against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Flibrustzcash_omer_external" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kobigurk/librustzcash_omer_external on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kobigurk/librustzcash_omer_external
[INFO] finished tweaking git repo https://github.com/kobigurk/librustzcash_omer_external
[INFO] tweaked toml for git repo https://github.com/kobigurk/librustzcash_omer_external written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/kobigurk/librustzcash_omer_external already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa6f42e93e28ff83395e7fb0abeb80e779c56caee285c72c14b7adb0209c2b5e
[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" "fa6f42e93e28ff83395e7fb0abeb80e779c56caee285c72c14b7adb0209c2b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa6f42e93e28ff83395e7fb0abeb80e779c56caee285c72c14b7adb0209c2b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6f42e93e28ff83395e7fb0abeb80e779c56caee285c72c14b7adb0209c2b5e", kill_on_drop: false }`
[INFO] [stdout] fa6f42e93e28ff83395e7fb0abeb80e779c56caee285c72c14b7adb0209c2b5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8eae16b9399a5308256ce3605e8ef3eb5e6d4a6d5e187990ecb56b52f5b8cd
[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" "bf8eae16b9399a5308256ce3605e8ef3eb5e6d4a6d5e187990ecb56b52f5b8cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking pairing v0.14.2 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking bellman v0.1.0 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking sapling-crypto v0.0.1 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking omer_test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `JubjubBls12`, `JubjubEngine`, `PrimeOrder`, `fs::Fs`
[INFO] [stdout]  --> src/main.rs:4:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sapling_crypto::jubjub::{edwards, fs::Fs, PrimeOrder, Unknown, JubjubBls12, JubjubEngine };
[INFO] [stdout]   |                                       ^^^^^^  ^^^^^^^^^^           ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `JubjubBls12`, `JubjubEngine`, `PrimeOrder`, `fs::Fs`
[INFO] [stdout]  --> src/main.rs:4:39
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sapling_crypto::jubjub::{edwards, fs::Fs, PrimeOrder, Unknown, JubjubBls12, JubjubEngine };
[INFO] [stdout]   |                                       ^^^^^^  ^^^^^^^^^^           ^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.30s
[INFO] running `Command { std: "docker" "inspect" "bf8eae16b9399a5308256ce3605e8ef3eb5e6d4a6d5e187990ecb56b52f5b8cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8eae16b9399a5308256ce3605e8ef3eb5e6d4a6d5e187990ecb56b52f5b8cd", kill_on_drop: false }`
[INFO] [stdout] bf8eae16b9399a5308256ce3605e8ef3eb5e6d4a6d5e187990ecb56b52f5b8cd