[INFO] fetching crate sp-ark-ed-on-bls12-381-bandersnatch 0.4.1...
[INFO] checking sp-ark-ed-on-bls12-381-bandersnatch-0.4.1 against try#1baf923b9c3a455162afe43e18647f494c1a4b73 for pr-151510
[INFO] extracting crate sp-ark-ed-on-bls12-381-bandersnatch 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate sp-ark-ed-on-bls12-381-bandersnatch 0.4.1
[INFO] finished tweaking crates.io crate sp-ark-ed-on-bls12-381-bandersnatch 0.4.1
[INFO] tweaked toml for crates.io crate sp-ark-ed-on-bls12-381-bandersnatch 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sp-ark-ed-on-bls12-381-bandersnatch 0.4.1 on toolchain 1baf923b9c3a455162afe43e18647f494c1a4b73
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 244 packages to latest compatible versions
[INFO] [stderr]       Adding ark-algebra-test-templates v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ec v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ed-on-bls12-381-bandersnatch-ext v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding ark-ff v0.4.2 (available: v0.5.0)
[INFO] [stderr]       Adding ark-scale v0.0.11 (available: v0.0.13)
[INFO] [stderr]       Adding ark-std v0.4.0 (available: v0.5.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding sp-crypto-ec-utils v0.4.0 (available: v0.19.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f668b54fc27bb0464a7aebe5f9338178637160530ea3b24c5ffba62fcb9db144
[INFO] running `Command { std: "docker" "start" "-a" "f668b54fc27bb0464a7aebe5f9338178637160530ea3b24c5ffba62fcb9db144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f668b54fc27bb0464a7aebe5f9338178637160530ea3b24c5ffba62fcb9db144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f668b54fc27bb0464a7aebe5f9338178637160530ea3b24c5ffba62fcb9db144", kill_on_drop: false }`
[INFO] [stdout] f668b54fc27bb0464a7aebe5f9338178637160530ea3b24c5ffba62fcb9db144
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+1baf923b9c3a455162afe43e18647f494c1a4b73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3214bf2399d3be56e86c293f642d466fd778f8cc47bc307f8b1e8b590c169c8
[INFO] running `Command { std: "docker" "start" "-a" "e3214bf2399d3be56e86c293f642d466fd778f8cc47bc307f8b1e8b590c169c8", kill_on_drop: false }`
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[INFO] [stderr]     Checking ark-bw6-761 v0.4.0
[INFO] [stderr]     Checking ark-ed-on-bls12-377 v0.4.0
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[INFO] [stderr]     Checking sp-ark-ed-on-bls12-381-bandersnatch v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `r1cs`
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "r1cs")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `r1cs` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `r1cs`
[INFO] [stdout]  --> src/lib.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "r1cs")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `default` and `std`
[INFO] [stdout]   = help: consider adding `r1cs` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "e3214bf2399d3be56e86c293f642d466fd778f8cc47bc307f8b1e8b590c169c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3214bf2399d3be56e86c293f642d466fd778f8cc47bc307f8b1e8b590c169c8", kill_on_drop: false }`
[INFO] [stdout] e3214bf2399d3be56e86c293f642d466fd778f8cc47bc307f8b1e8b590c169c8