[INFO] cloning repository https://github.com/0x471/bls12_381-keypair
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x471/bls12_381-keypair" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x471%2Fbls12_381-keypair", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x471%2Fbls12_381-keypair'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0532e17b495e791791976a3de48a4cc43069680
[INFO] checking 0x471/bls12_381-keypair against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x471%2Fbls12_381-keypair" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0x471/bls12_381-keypair on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0x471/bls12_381-keypair
[INFO] finished tweaking git repo https://github.com/0x471/bls12_381-keypair
[INFO] tweaked toml for git repo https://github.com/0x471/bls12_381-keypair written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0x471/bls12_381-keypair already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.10
[INFO] [stderr]   Downloaded serde_json v1.0.114
[INFO] [stderr]   Downloaded rayon v1.9.0
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded lambdaworks-math v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1867d11fff71559b27dfbce753750852ca7f36a3eed2145e303d0a315d85d5d
[INFO] running `Command { std: "docker" "start" "-a" "e1867d11fff71559b27dfbce753750852ca7f36a3eed2145e303d0a315d85d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1867d11fff71559b27dfbce753750852ca7f36a3eed2145e303d0a315d85d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1867d11fff71559b27dfbce753750852ca7f36a3eed2145e303d0a315d85d5d", kill_on_drop: false }`
[INFO] [stdout] e1867d11fff71559b27dfbce753750852ca7f36a3eed2145e303d0a315d85d5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 613c0192c96111b5ea07b813d9f8b11b76a2cc5adf5ebf068b981995882f8ed3
[INFO] running `Command { std: "docker" "start" "-a" "613c0192c96111b5ea07b813d9f8b11b76a2cc5adf5ebf068b981995882f8ed3", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking lambdaworks-math v0.5.0
[INFO] [stderr]     Checking bls12_381-keypair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `Command { std: "docker" "inspect" "613c0192c96111b5ea07b813d9f8b11b76a2cc5adf5ebf068b981995882f8ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "613c0192c96111b5ea07b813d9f8b11b76a2cc5adf5ebf068b981995882f8ed3", kill_on_drop: false }`
[INFO] [stdout] 613c0192c96111b5ea07b813d9f8b11b76a2cc5adf5ebf068b981995882f8ed3
[INFO] checking 0x471/bls12_381-keypair against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x471%2Fbls12_381-keypair" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0x471/bls12_381-keypair on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0x471/bls12_381-keypair
[INFO] finished tweaking git repo https://github.com/0x471/bls12_381-keypair
[INFO] tweaked toml for git repo https://github.com/0x471/bls12_381-keypair written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/0x471/bls12_381-keypair already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e15917b75f2c815fabe160c2fa1a35af400f751ef20b00c668b420afad907de
[INFO] running `Command { std: "docker" "start" "-a" "3e15917b75f2c815fabe160c2fa1a35af400f751ef20b00c668b420afad907de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e15917b75f2c815fabe160c2fa1a35af400f751ef20b00c668b420afad907de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e15917b75f2c815fabe160c2fa1a35af400f751ef20b00c668b420afad907de", kill_on_drop: false }`
[INFO] [stdout] 3e15917b75f2c815fabe160c2fa1a35af400f751ef20b00c668b420afad907de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b580c9d6d179bb8e1d240ca665d89cb0718a1d3f165542df2a01396028bfdf01
[INFO] running `Command { std: "docker" "start" "-a" "b580c9d6d179bb8e1d240ca665d89cb0718a1d3f165542df2a01396028bfdf01", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking lambdaworks-math v0.5.0
[INFO] [stderr]     Checking bls12_381-keypair v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.75s
[INFO] running `Command { std: "docker" "inspect" "b580c9d6d179bb8e1d240ca665d89cb0718a1d3f165542df2a01396028bfdf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b580c9d6d179bb8e1d240ca665d89cb0718a1d3f165542df2a01396028bfdf01", kill_on_drop: false }`
[INFO] [stdout] b580c9d6d179bb8e1d240ca665d89cb0718a1d3f165542df2a01396028bfdf01