[INFO] fetching crate ark-gm17 0.2.0...
[INFO] checking ark-gm17-0.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate ark-gm17 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ark-gm17 0.2.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ark-gm17 0.2.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate ark-gm17 0.2.0
[INFO] tweaked toml for crates.io crate ark-gm17 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate ark-gm17 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", 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] 3b797f3ca2d2bd65394955297c394eac503febde6b068157e88ddaf4de45c1ec
[INFO] running `Command { std: "docker" "start" "-a" "3b797f3ca2d2bd65394955297c394eac503febde6b068157e88ddaf4de45c1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b797f3ca2d2bd65394955297c394eac503febde6b068157e88ddaf4de45c1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b797f3ca2d2bd65394955297c394eac503febde6b068157e88ddaf4de45c1ec", kill_on_drop: false }`
[INFO] [stdout] 3b797f3ca2d2bd65394955297c394eac503febde6b068157e88ddaf4de45c1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fb92cb3e8e733e8af5a839fdd9a5819318310a3c4ab91b192f9f271c4156c3b
[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" "2fb92cb3e8e733e8af5a839fdd9a5819318310a3c4ab91b192f9f271c4156c3b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking ahash v0.7.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking ark-std v0.2.0
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling ark-serialize-derive v0.2.0
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-macros v0.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking ark-serialize v0.2.0
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking ark-ff v0.2.0
[INFO] [stderr]     Checking ark-ec v0.2.0
[INFO] [stderr]     Checking ark-relations v0.2.0
[INFO] [stderr]     Checking ark-poly v0.2.0
[INFO] [stderr]     Checking ark-snark v0.2.0
[INFO] [stderr]     Checking ark-r1cs-std v0.2.0
[INFO] [stderr]     Checking ark-bls12-377 v0.2.0
[INFO] [stderr]     Checking ark-crypto-primitives v0.2.0
[INFO] [stderr]     Checking ark-bls12-381 v0.2.0
[INFO] [stderr]     Checking ark-cp6-782 v0.2.0
[INFO] [stderr]     Checking ark-gm17 v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ark-mnt4-753 v0.2.0
[INFO] [stderr]     Checking ark-mnt4-298 v0.2.0
[INFO] [stderr]     Checking ark-mnt6-298 v0.2.0
[INFO] [stderr]     Checking ark-mnt6-753 v0.2.0
[INFO] [stdout] error: couldn't read benches/bench.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-gm17`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2fb92cb3e8e733e8af5a839fdd9a5819318310a3c4ab91b192f9f271c4156c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb92cb3e8e733e8af5a839fdd9a5819318310a3c4ab91b192f9f271c4156c3b", kill_on_drop: false }`
[INFO] [stdout] 2fb92cb3e8e733e8af5a839fdd9a5819318310a3c4ab91b192f9f271c4156c3b