[INFO] fetching crate mcl 0.5.0-alpha...
[INFO] checking mcl-0.5.0-alpha against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate mcl 0.5.0-alpha into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mcl 0.5.0-alpha on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-4/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mcl_derive v0.5.0-alpha
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 66f35d651009dbe40e73aca9e37b789abb0b6f24cf616aef44baa4560aac7bb6
[INFO] running `Command { std: "docker" "start" "-a" "66f35d651009dbe40e73aca9e37b789abb0b6f24cf616aef44baa4560aac7bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66f35d651009dbe40e73aca9e37b789abb0b6f24cf616aef44baa4560aac7bb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66f35d651009dbe40e73aca9e37b789abb0b6f24cf616aef44baa4560aac7bb6", kill_on_drop: false }`
[INFO] [stdout] 66f35d651009dbe40e73aca9e37b789abb0b6f24cf616aef44baa4560aac7bb6
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a384451372377d11f441931e69633ad3e39f5b2e28de33d4bee0c168e1161811
[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" "a384451372377d11f441931e69633ad3e39f5b2e28de33d4bee0c168e1161811", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling libc v0.2.62
[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: 4 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.44s
[INFO] running `Command { std: "docker" "inspect" "a384451372377d11f441931e69633ad3e39f5b2e28de33d4bee0c168e1161811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a384451372377d11f441931e69633ad3e39f5b2e28de33d4bee0c168e1161811", kill_on_drop: false }`
[INFO] [stdout] a384451372377d11f441931e69633ad3e39f5b2e28de33d4bee0c168e1161811