[INFO] fetching crate certify 0.5.2...
[INFO] checking certify-0.5.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate certify 0.5.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate certify 0.5.2 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 crates.io crate certify 0.5.2
[INFO] finished tweaking crates.io crate certify 0.5.2
[INFO] tweaked toml for crates.io crate certify 0.5.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages
[INFO] [stderr]       Adding asn1-rs v0.5.2 (latest: v0.6.1)
[INFO] [stderr]       Adding asn1-rs-derive v0.4.0 (latest: v0.5.0)
[INFO] [stderr]       Adding asn1-rs-impl v0.1.0 (latest: v0.2.0)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding der-parser v8.2.0 (latest: v9.0.0)
[INFO] [stderr]       Adding oid-registry v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding pem v1.1.1 (latest: v3.0.3)
[INFO] [stderr]       Adding rcgen v0.10.0 (latest: v0.13.0)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding x509-parser v0.14.0 (latest: v0.16.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ac3e92daacb0f359989787400d4bdc330aa76b7d3f53e5bda60dbaa9f5ef92b0
[INFO] running `Command { std: "docker" "start" "-a" "ac3e92daacb0f359989787400d4bdc330aa76b7d3f53e5bda60dbaa9f5ef92b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac3e92daacb0f359989787400d4bdc330aa76b7d3f53e5bda60dbaa9f5ef92b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3e92daacb0f359989787400d4bdc330aa76b7d3f53e5bda60dbaa9f5ef92b0", kill_on_drop: false }`
[INFO] [stdout] ac3e92daacb0f359989787400d4bdc330aa76b7d3f53e5bda60dbaa9f5ef92b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 10e1414e5b1f9fa1c70250b56ba847a49745a4932791de4ed2138df83edfb67b
[INFO] running `Command { std: "docker" "start" "-a" "10e1414e5b1f9fa1c70250b56ba847a49745a4932791de4ed2138df83edfb67b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling oid-registry v0.6.1
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking rusticata-macros v4.1.0
[INFO] [stderr]     Checking yasna v0.5.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling displaydoc v0.2.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling asn1-rs-derive v0.4.0
[INFO] [stderr]    Compiling asn1-rs-impl v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking asn1-rs v0.5.2
[INFO] [stderr]     Checking der-parser v8.2.0
[INFO] [stderr]     Checking x509-parser v0.14.0
[INFO] [stderr]     Checking rcgen v0.10.0
[INFO] [stderr]     Checking certify v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.64s
[INFO] running `Command { std: "docker" "inspect" "10e1414e5b1f9fa1c70250b56ba847a49745a4932791de4ed2138df83edfb67b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e1414e5b1f9fa1c70250b56ba847a49745a4932791de4ed2138df83edfb67b", kill_on_drop: false }`
[INFO] [stdout] 10e1414e5b1f9fa1c70250b56ba847a49745a4932791de4ed2138df83edfb67b