[INFO] cloning repository https://github.com/matterinc/alpha_line
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matterinc/alpha_line" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Falpha_line", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Falpha_line'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 69374556cfff65b89397db59697802cc04bafb59
[INFO] checking matterinc/alpha_line against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatterinc%2Falpha_line" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matterinc/alpha_line on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matterinc/alpha_line
[INFO] finished tweaking git repo https://github.com/matterinc/alpha_line
[INFO] tweaked toml for git repo https://github.com/matterinc/alpha_line written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/matterinc/alpha_line already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 6cd3b110680472733df124f5e58ff5a92e6f63c95e043430f5d14d5c7f5b8d30
[INFO] running `Command { std: "docker" "start" "-a" "6cd3b110680472733df124f5e58ff5a92e6f63c95e043430f5d14d5c7f5b8d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cd3b110680472733df124f5e58ff5a92e6f63c95e043430f5d14d5c7f5b8d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd3b110680472733df124f5e58ff5a92e6f63c95e043430f5d14d5c7f5b8d30", kill_on_drop: false }`
[INFO] [stdout] 6cd3b110680472733df124f5e58ff5a92e6f63c95e043430f5d14d5c7f5b8d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 123d6f4ecd831e4a4789614d00984dca16ac4ccf86e9447b159249166f2b76ed
[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" "123d6f4ecd831e4a4789614d00984dca16ac4ccf86e9447b159249166f2b76ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking blake2 v0.6.1
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling hex-literal-impl v0.1.1
[INFO] [stderr]     Checking hex-literal v0.1.2
[INFO] [stderr]    Compiling ff_derive v0.4.0 (https://github.com/matterinc/ff#056a13b9)
[INFO] [stderr]     Checking ff v0.5.0 (https://github.com/matterinc/ff#056a13b9)
[INFO] [stderr]     Checking pairing v0.15.1 (https://github.com/matterinc/pairing#59a1d70c)
[INFO] [stderr]     Checking alpha_line v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `G1_x` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     G1_x,
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case: `G1X`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G1_alpha_x` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     G1_alpha_x,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `G1AlphaX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G2_x` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     G2_x,
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case: `G2X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G2_alpha_x` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     G2_alpha_x,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `G2AlphaX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G2_alpha` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     G2_alpha
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `G2Alpha`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G1_x` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     G1_x,
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case: `G1X`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G1_alpha_x` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:120:5
[INFO] [stdout]     |
[INFO] [stdout] 120 |     G1_alpha_x,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `G1AlphaX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G2_x` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     G2_x,
[INFO] [stdout]     |     ^^^^ help: convert the identifier to upper camel case: `G2X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G2_alpha_x` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     G2_alpha_x,
[INFO] [stdout]     |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `G2AlphaX`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `G2_alpha` should have an upper camel case name
[INFO] [stdout]    --> src/parameters.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     G2_alpha
[INFO] [stdout]     |     ^^^^^^^^ help: convert the identifier to upper camel case: `G2Alpha`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/beacon_constrained.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for i in 0..(1u64<<N) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/beacon_constrained.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         for i in 0..(1u64<<N) {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.84s
[INFO] running `Command { std: "docker" "inspect" "123d6f4ecd831e4a4789614d00984dca16ac4ccf86e9447b159249166f2b76ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "123d6f4ecd831e4a4789614d00984dca16ac4ccf86e9447b159249166f2b76ed", kill_on_drop: false }`
[INFO] [stdout] 123d6f4ecd831e4a4789614d00984dca16ac4ccf86e9447b159249166f2b76ed