[INFO] cloning repository https://github.com/zhonglinlynn/rust-signatures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhonglinlynn/rust-signatures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhonglinlynn%2Frust-signatures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhonglinlynn%2Frust-signatures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 871fba084bf36c2eb0a0c22739bedabb8565d890
[INFO] checking zhonglinlynn/rust-signatures against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhonglinlynn%2Frust-signatures" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhonglinlynn/rust-signatures on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhonglinlynn/rust-signatures
[INFO] finished tweaking git repo https://github.com/zhonglinlynn/rust-signatures
[INFO] tweaked toml for git repo https://github.com/zhonglinlynn/rust-signatures written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/zhonglinlynn/rust-signatures 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize_derive v1.2.2
[INFO] [stderr]   Downloaded spki v0.5.2
[INFO] [stderr]   Downloaded ed25519 v1.3.0
[INFO] [stderr]   Downloaded serde v1.0.131
[INFO] [stderr]   Downloaded ff v0.11.0
[INFO] [stderr]   Downloaded pem-rfc7468 v0.3.1
[INFO] [stderr]   Downloaded ecdsa v0.13.3
[INFO] [stderr]   Downloaded p256 v0.10.0
[INFO] [stderr]   Downloaded ring-compat v0.4.0
[INFO] [stderr]   Downloaded elliptic-curve v0.11.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded p384 v0.9.0
[INFO] [stderr]   Downloaded base64ct v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a899ba85693b1b63689303f21e3d5b51d66fc76c11b5fb85325b7b2782614d5
[INFO] running `Command { std: "docker" "start" "-a" "5a899ba85693b1b63689303f21e3d5b51d66fc76c11b5fb85325b7b2782614d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a899ba85693b1b63689303f21e3d5b51d66fc76c11b5fb85325b7b2782614d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a899ba85693b1b63689303f21e3d5b51d66fc76c11b5fb85325b7b2782614d5", kill_on_drop: false }`
[INFO] [stdout] 5a899ba85693b1b63689303f21e3d5b51d66fc76c11b5fb85325b7b2782614d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19482a4e938b8664776f311daa509a93983cfa370a31a38248b53b0a25a5af6b
[INFO] running `Command { std: "docker" "start" "-a" "19482a4e938b8664776f311daa509a93983cfa370a31a38248b53b0a25a5af6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking base64ct v1.3.0
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ff v0.11.0
[INFO] [stderr]     Checking pem-rfc7468 v0.3.1
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking spki v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking signature v1.4.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking ed25519 v1.3.0
[INFO] [stderr]     Checking ed25519 v1.4.0-pre (/opt/rustwide/workdir/ed25519)
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking pkcs8 v0.8.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking sec1 v0.2.1
[INFO] [stderr]     Checking elliptic-curve v0.11.6
[INFO] [stderr]     Checking rfc6979 v0.1.0 (/opt/rustwide/workdir/rfc6979)
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking ecdsa v0.13.3
[INFO] [stderr]     Checking ecdsa v0.13.3 (/opt/rustwide/workdir/ecdsa)
[INFO] [stderr]     Checking p256 v0.10.0
[INFO] [stderr]     Checking p384 v0.9.0
[INFO] [stderr]     Checking ring-compat v0.4.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "19482a4e938b8664776f311daa509a93983cfa370a31a38248b53b0a25a5af6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19482a4e938b8664776f311daa509a93983cfa370a31a38248b53b0a25a5af6b", kill_on_drop: false }`
[INFO] [stdout] 19482a4e938b8664776f311daa509a93983cfa370a31a38248b53b0a25a5af6b