[INFO] fetching crate fawkes-crypto-powersoftau 0.2.0...
[INFO] checking fawkes-crypto-powersoftau-0.2.0 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate fawkes-crypto-powersoftau 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fawkes-crypto-powersoftau 0.2.0 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fawkes-crypto-powersoftau 0.2.0
[INFO] finished tweaking crates.io crate fawkes-crypto-powersoftau 0.2.0
[INFO] tweaked toml for crates.io crate fawkes-crypto-powersoftau 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate fawkes-crypto-powersoftau 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-literal v0.2.1
[INFO] [stderr]   Downloaded hermit-abi v0.1.11
[INFO] [stderr]   Downloaded memoffset v0.5.4
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded ff_derive_ce v0.5.1
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.15
[INFO] [stderr]   Downloaded rust-crypto v0.2.36
[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.1
[INFO] [stderr]   Downloaded ff_ce v0.7.1
[INFO] [stderr]   Downloaded fawkes-crypto-bellman_ce v0.3.1
[INFO] [stderr]   Downloaded bit-vec v0.6.1
[INFO] [stderr]   Downloaded fawkes-crypto-pairing_ce v0.18.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cff8ae43af9715df0d987f08ff5ccbf8e3f8284deeb4b1bee42b92136b2a6a3b
[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" "cff8ae43af9715df0d987f08ff5ccbf8e3f8284deeb4b1bee42b92136b2a6a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cff8ae43af9715df0d987f08ff5ccbf8e3f8284deeb4b1bee42b92136b2a6a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff8ae43af9715df0d987f08ff5ccbf8e3f8284deeb4b1bee42b92136b2a6a3b", kill_on_drop: false }`
[INFO] [stdout] cff8ae43af9715df0d987f08ff5ccbf8e3f8284deeb4b1bee42b92136b2a6a3b
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 03d90d2f70553f944badf1c0263be5635a2f4fbcd010b815624e273ed2f087f3
[INFO] running `Command { std: "docker" "start" "-a" "03d90d2f70553f944badf1c0263be5635a2f4fbcd010b815624e273ed2f087f3", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking bit-vec v0.6.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking exitcode v1.1.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1
[INFO] [stderr]     Checking ff_ce v0.7.1
[INFO] [stderr]     Checking fawkes-crypto-pairing_ce v0.18.0
[INFO] [stderr]     Checking fawkes-crypto-bellman_ce v0.3.1
[INFO] [stderr]     Checking fawkes-crypto-powersoftau v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.89s
[INFO] running `Command { std: "docker" "inspect" "03d90d2f70553f944badf1c0263be5635a2f4fbcd010b815624e273ed2f087f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03d90d2f70553f944badf1c0263be5635a2f4fbcd010b815624e273ed2f087f3", kill_on_drop: false }`
[INFO] [stdout] 03d90d2f70553f944badf1c0263be5635a2f4fbcd010b815624e273ed2f087f3