[INFO] fetching crate mcl 0.5.0-alpha...
[INFO] checking mcl-0.5.0-alpha against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate mcl 0.5.0-alpha into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate mcl 0.5.0-alpha on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcl 0.5.0-alpha
[INFO] finished tweaking crates.io crate mcl 0.5.0-alpha
[INFO] tweaked toml for crates.io crate mcl 0.5.0-alpha written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate mcl 0.5.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c30b23a018ed9743e30c3fc97ae673c84ce72f8289033893e5eb705d091279
[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" "01c30b23a018ed9743e30c3fc97ae673c84ce72f8289033893e5eb705d091279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c30b23a018ed9743e30c3fc97ae673c84ce72f8289033893e5eb705d091279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c30b23a018ed9743e30c3fc97ae673c84ce72f8289033893e5eb705d091279", kill_on_drop: false }`
[INFO] [stdout] 01c30b23a018ed9743e30c3fc97ae673c84ce72f8289033893e5eb705d091279
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 310e0fa758a90845433bd2ce65d5aa99d3f0d4bfc0ee613ce223ba08fabafb49
[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" "310e0fa758a90845433bd2ce65d5aa99d3f0d4bfc0ee613ce223ba08fabafb49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling mcl_derive v0.5.0-alpha
[INFO] [stderr]     Checking mcl v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]    --> src/bn.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let P = G1::hash_and_map(b"abc").unwrap();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `p`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]    --> src/bn.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let Q = G2::hash_and_map(b"abc").unwrap();
[INFO] [stdout]     |                 ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `aQ` should have a snake case name
[INFO] [stdout]    --> src/bn.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |             let aQ = Q * &a;
[INFO] [stdout]     |                 ^^ help: convert the identifier to snake case: `a_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bP` should have a snake case name
[INFO] [stdout]    --> src/bn.rs:145:17
[INFO] [stdout]     |
[INFO] [stdout] 145 |             let bP = P * &b;
[INFO] [stdout]     |                 ^^ help: convert the identifier to snake case: `b_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `P` should have a snake case name
[INFO] [stdout]   --> examples/pairing.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let P = G1::hash_and_map(b"this").unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Q` should have a snake case name
[INFO] [stdout]   --> examples/pairing.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let Q = G2::hash_and_map(b"that").unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `aP` should have a snake case name
[INFO] [stdout]   --> examples/pairing.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let aP = &P * a;
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `a_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bQ` should have a snake case name
[INFO] [stdout]   --> examples/pairing.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let bQ = &Q * b;
[INFO] [stdout]    |         ^^ help: convert the identifier to snake case: `b_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]  --> examples/schnorr_pairing.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let g = G1::hash_and_map(b"something").unwrap();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `A` should have a snake case name
[INFO] [stdout]   --> examples/schnorr_pairing.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let A = &g2 * &a;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case: `a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X` should have a snake case name
[INFO] [stdout]   --> examples/schnorr_pairing.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let X = &g2 * &x;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `U` should have a snake case name
[INFO] [stdout]   --> examples/schnorr_pairing.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut U = X.get_str(Base::Dec);
[INFO] [stdout]    |             ^ help: convert the identifier to snake case (notice the capitalization): `u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `U` should have a snake case name
[INFO] [stdout]   --> examples/schnorr_pairing.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let U = G1::hash_and_map(U.as_bytes()).unwrap();
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `S` should have a snake case name
[INFO] [stdout]   --> examples/schnorr_pairing.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let S = &U * s;
[INFO] [stdout]    |         ^ help: convert the identifier to snake case (notice the capitalization): `s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.82s
[INFO] running `Command { std: "docker" "inspect" "310e0fa758a90845433bd2ce65d5aa99d3f0d4bfc0ee613ce223ba08fabafb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310e0fa758a90845433bd2ce65d5aa99d3f0d4bfc0ee613ce223ba08fabafb49", kill_on_drop: false }`
[INFO] [stdout] 310e0fa758a90845433bd2ce65d5aa99d3f0d4bfc0ee613ce223ba08fabafb49