[INFO] fetching crate fawkes-crypto-pairing_ce 0.18.1...
[INFO] checking fawkes-crypto-pairing_ce-0.18.1 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate fawkes-crypto-pairing_ce 0.18.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fawkes-crypto-pairing_ce 0.18.1 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f24d7ec94eb27e7a7faf8f888948d3104315a3b0d5b31648fd66f509cbd65d3
[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" "3f24d7ec94eb27e7a7faf8f888948d3104315a3b0d5b31648fd66f509cbd65d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f24d7ec94eb27e7a7faf8f888948d3104315a3b0d5b31648fd66f509cbd65d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f24d7ec94eb27e7a7faf8f888948d3104315a3b0d5b31648fd66f509cbd65d3", kill_on_drop: false }`
[INFO] [stdout] 3f24d7ec94eb27e7a7faf8f888948d3104315a3b0d5b31648fd66f509cbd65d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84507f68ee85424de4d77bc641618a65b943df9ef103e7228f7a6a4c5e0f5663
[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" "84507f68ee85424de4d77bc641618a65b943df9ef103e7228f7a6a4c5e0f5663", 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] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v0.6.13
[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 a macro (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] 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 a macro (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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.07s
[INFO] running `Command { std: "docker" "inspect" "84507f68ee85424de4d77bc641618a65b943df9ef103e7228f7a6a4c5e0f5663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84507f68ee85424de4d77bc641618a65b943df9ef103e7228f7a6a4c5e0f5663", kill_on_drop: false }`
[INFO] [stdout] 84507f68ee85424de4d77bc641618a65b943df9ef103e7228f7a6a4c5e0f5663