[INFO] fetching crate vsss-rs 2.0.0-pre0...
[INFO] checking vsss-rs-2.0.0-pre0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate vsss-rs 2.0.0-pre0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate vsss-rs 2.0.0-pre0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate vsss-rs 2.0.0-pre0
[INFO] finished tweaking crates.io crate vsss-rs 2.0.0-pre0
[INFO] tweaked toml for crates.io crate vsss-rs 2.0.0-pre0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-big-array v0.3.2
[INFO] [stderr]   Downloaded serde_bare v0.5.0
[INFO] [stderr]   Downloaded x25519-dalek v1.1.1
[INFO] [stderr]   Downloaded riscv-target v0.1.2
[INFO] [stderr]   Downloaded bare-metal v1.0.0
[INFO] [stderr]   Downloaded heapless v0.7.8
[INFO] [stderr]   Downloaded pairing v0.20.0
[INFO] [stderr]   Downloaded bls12_381_plus v0.5.2
[INFO] [stderr]   Downloaded bit_field v0.10.1
[INFO] [stderr]   Downloaded critical-section v0.2.5
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.5
[INFO] [stderr]   Downloaded wyz v0.4.0
[INFO] [stderr]   Downloaded bitvec v0.22.3
[INFO] [stderr]   Downloaded riscv v0.7.0
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded curve25519-dalek v4.0.0-pre.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd588e1e485e843397ccb5b2a64641bdf505b100a8c64d6cadaf974effa0433c
[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" "bd588e1e485e843397ccb5b2a64641bdf505b100a8c64d6cadaf974effa0433c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd588e1e485e843397ccb5b2a64641bdf505b100a8c64d6cadaf974effa0433c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd588e1e485e843397ccb5b2a64641bdf505b100a8c64d6cadaf974effa0433c", kill_on_drop: false }`
[INFO] [stdout] bd588e1e485e843397ccb5b2a64641bdf505b100a8c64d6cadaf974effa0433c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 835215101c954039164c493bcd178119290c8a83ec9b5db9b92ea73fc0523ad7
[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" "835215101c954039164c493bcd178119290c8a83ec9b5db9b92ea73fc0523ad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]    Compiling heapless v0.7.8
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking signature v1.3.2
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking ed25519 v1.3.0
[INFO] [stderr]     Checking der v0.4.4
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking pairing v0.20.0
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking curve25519-dalek v4.0.0-pre.1
[INFO] [stderr]     Checking elliptic-curve v0.10.6
[INFO] [stderr]     Checking x25519-dalek v1.1.1
[INFO] [stderr]     Checking ecdsa v0.12.4
[INFO] [stderr]     Checking k256 v0.9.6
[INFO] [stderr]     Checking p256 v0.9.0
[INFO] [stderr]     Checking serde-big-array v0.3.2
[INFO] [stderr]     Checking serde_bare v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking bls12_381_plus v0.5.2
[INFO] [stderr]     Checking vsss-rs v2.0.0-pre0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.82s
[INFO] running `Command { std: "docker" "inspect" "835215101c954039164c493bcd178119290c8a83ec9b5db9b92ea73fc0523ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835215101c954039164c493bcd178119290c8a83ec9b5db9b92ea73fc0523ad7", kill_on_drop: false }`
[INFO] [stdout] 835215101c954039164c493bcd178119290c8a83ec9b5db9b92ea73fc0523ad7