[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#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkobigurk%2Flibrustzcash_omer_external" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kobigurk/librustzcash_omer_external on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1deccbab9ac135cb8fec8aa7e39615be2d1c0eb6172096dd733bdfd720b60638
[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" "1deccbab9ac135cb8fec8aa7e39615be2d1c0eb6172096dd733bdfd720b60638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1deccbab9ac135cb8fec8aa7e39615be2d1c0eb6172096dd733bdfd720b60638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1deccbab9ac135cb8fec8aa7e39615be2d1c0eb6172096dd733bdfd720b60638", kill_on_drop: false }`
[INFO] [stdout] 1deccbab9ac135cb8fec8aa7e39615be2d1c0eb6172096dd733bdfd720b60638
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37f4413666fc435273d1dfe235239de12c6419ce3f97f81f39301d9abc9bdc97
[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" "37f4413666fc435273d1dfe235239de12c6419ce3f97f81f39301d9abc9bdc97", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking pairing v0.14.2 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bellman v0.1.0 (https://github.com/zcash/librustzcash.git?rev=06da3b9ac8f278e5d4ae13088cf0a4c03d2c13f5#06da3b9a)
[INFO] [stderr]     Checking blake2-rfc v0.2.18 (https://github.com/gtank/blake2-rfc?rev=7a5b5fc99ae483a0043db7547fb79a6fa44b88a9#7a5b5fc9)
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[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 9.97s
[INFO] running `Command { std: "docker" "inspect" "37f4413666fc435273d1dfe235239de12c6419ce3f97f81f39301d9abc9bdc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f4413666fc435273d1dfe235239de12c6419ce3f97f81f39301d9abc9bdc97", kill_on_drop: false }`
[INFO] [stdout] 37f4413666fc435273d1dfe235239de12c6419ce3f97f81f39301d9abc9bdc97