[INFO] fetching crate mintscan 0.4.0...
[INFO] checking mintscan-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mintscan 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mintscan 0.4.0 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 mintscan 0.4.0
[INFO] finished tweaking crates.io crate mintscan 0.4.0
[INFO] tweaked toml for crates.io crate mintscan 0.4.0 written to /workspace/builds/worker-0-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 137 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding ct-logs v0.8.0 (latest: v0.9.0)
[INFO] [stderr]       Adding curve25519-dalek v3.2.1 (latest: v4.1.2)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding ed25519 v1.5.3 (latest: v2.2.3)
[INFO] [stderr]       Adding ed25519-dalek v1.0.1 (latest: v2.1.1)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding hyper-rustls v0.22.1 (latest: v0.27.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding num-derive v0.3.3 (latest: v0.4.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding prost v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-derive v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding prost-types v0.11.9 (latest: v0.12.3)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.19.1 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-native-certs v0.5.0 (latest: v0.7.0)
[INFO] [stderr]       Adding sct v0.6.1 (latest: v0.7.1)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding signature v1.6.4 (latest: v2.2.0)
[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 tendermint v0.23.9 (latest: v0.35.0)
[INFO] [stderr]       Adding tendermint-proto v0.23.9 (latest: v0.35.0)
[INFO] [stderr]       Adding time v0.3.11 (latest: v0.3.34)
[INFO] [stderr]       Adding time-macros v0.2.4 (latest: v0.2.17)
[INFO] [stderr]       Adding tokio-rustls v0.22.0 (latest: v0.26.0)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding webpki v0.21.4 (latest: v0.22.4)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding zeroize v1.3.0 (latest: v1.7.0)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iqhttp v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7877f817080856326797335a665ae483a4afb8149007bf720b9700827634049c
[INFO] running `Command { std: "docker" "start" "-a" "7877f817080856326797335a665ae483a4afb8149007bf720b9700827634049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7877f817080856326797335a665ae483a4afb8149007bf720b9700827634049c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7877f817080856326797335a665ae483a4afb8149007bf720b9700827634049c", kill_on_drop: false }`
[INFO] [stdout] 7877f817080856326797335a665ae483a4afb8149007bf720b9700827634049c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 351ba622faee9ccaf616f8657f7f95e2c005e19add2e9da2e6d63c12bb61a3e7
[INFO] running `Command { std: "docker" "start" "-a" "351ba622faee9ccaf616f8657f7f95e2c005e19add2e9da2e6d63c12bb61a3e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking time v0.3.11
[INFO] [stderr]     Checking ed25519 v1.5.3
[INFO] [stderr]     Checking flex-error v0.4.4
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking prost v0.11.9
[INFO] [stderr]     Checking prost-types v0.11.9
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking tendermint-proto v0.23.9
[INFO] [stderr]     Checking iqhttp v0.2.0
[INFO] [stderr]     Checking tendermint v0.23.9
[INFO] [stderr]     Checking mintscan v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.25s
[INFO] running `Command { std: "docker" "inspect" "351ba622faee9ccaf616f8657f7f95e2c005e19add2e9da2e6d63c12bb61a3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "351ba622faee9ccaf616f8657f7f95e2c005e19add2e9da2e6d63c12bb61a3e7", kill_on_drop: false }`
[INFO] [stdout] 351ba622faee9ccaf616f8657f7f95e2c005e19add2e9da2e6d63c12bb61a3e7