[INFO] fetching crate fawkes-crypto-pairing_ce 0.18.1...
[INFO] checking fawkes-crypto-pairing_ce-0.18.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate fawkes-crypto-pairing_ce 0.18.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fawkes-crypto-pairing_ce 0.18.1 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fawkes-crypto-pairing_ce 0.18.1
[INFO] finished tweaking crates.io crate fawkes-crypto-pairing_ce 0.18.1
[INFO] tweaked toml for crates.io crate fawkes-crypto-pairing_ce 0.18.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07790b852160f68cf2c34f44d10db9c31cef3b791f048e9587277da187ee669f
[INFO] running `Command { std: "docker" "start" "-a" "07790b852160f68cf2c34f44d10db9c31cef3b791f048e9587277da187ee669f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07790b852160f68cf2c34f44d10db9c31cef3b791f048e9587277da187ee669f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07790b852160f68cf2c34f44d10db9c31cef3b791f048e9587277da187ee669f", kill_on_drop: false }`
[INFO] [stdout] 07790b852160f68cf2c34f44d10db9c31cef3b791f048e9587277da187ee669f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e569ccab79c340beee1498473fa289c9f8f10d4cb951099ff9d0192891b71493
[INFO] running `Command { std: "docker" "start" "-a" "e569ccab79c340beee1498473fa289c9f8f10d4cb951099ff9d0192891b71493", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling ff_derive_ce v0.5.1
[INFO] [stderr]     Checking ff_ce v0.7.1
[INFO] [stderr]     Checking fawkes-crypto-pairing_ce v0.18.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `is_in_correct_subgroup_assuming_on_curve`
[INFO] [stdout]    --> src/bn256/ec.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |               fn is_in_correct_subgroup_assuming_on_curve(&self) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 645 | /     curve_impl!(
[INFO] [stdout] 646 | |         "G1",
[INFO] [stdout] 647 | |         G1,
[INFO] [stdout] 648 | |         G1Affine,
[INFO] [stdout] ...   |
[INFO] [stdout] 654 | |         G2Affine
[INFO] [stdout] 655 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `curve_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/pairing_benches.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_in_correct_subgroup_assuming_on_curve`
[INFO] [stdout]    --> src/bn256/ec.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |               fn is_in_correct_subgroup_assuming_on_curve(&self) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 645 | /     curve_impl!(
[INFO] [stdout] 646 | |         "G1",
[INFO] [stdout] 647 | |         G1,
[INFO] [stdout] 648 | |         G1Affine,
[INFO] [stdout] ...   |
[INFO] [stdout] 654 | |         G2Affine
[INFO] [stdout] 655 | |     );
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `curve_impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fawkes-crypto-pairing_ce` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e569ccab79c340beee1498473fa289c9f8f10d4cb951099ff9d0192891b71493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e569ccab79c340beee1498473fa289c9f8f10d4cb951099ff9d0192891b71493", kill_on_drop: false }`
[INFO] [stdout] e569ccab79c340beee1498473fa289c9f8f10d4cb951099ff9d0192891b71493
