[INFO] fetching crate nakamoto-common 0.4.0...
[INFO] checking nakamoto-common-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate nakamoto-common 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate nakamoto-common 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 nakamoto-common 0.4.0
[INFO] finished tweaking crates.io crate nakamoto-common 0.4.0
[INFO] tweaked toml for crates.io crate nakamoto-common 0.4.0 written to /workspace/builds/worker-3-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 24 packages
[INFO] [stderr]       Adding bech32 v0.9.1 (latest: v0.11.0)
[INFO] [stderr]       Adding bitcoin v0.29.2 (latest: v0.31.2)
[INFO] [stderr]       Adding bitcoin_hashes v0.11.0 (latest: v0.14.0)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding nonempty v0.7.0 (latest: v0.10.0)
[INFO] [stderr]       Adding secp256k1 v0.24.3 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.6.1 (latest: v0.10.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 microserde-derive v0.1.13
[INFO] [stderr]   Downloaded nonempty v0.7.0
[INFO] [stderr]   Downloaded nakamoto-net v0.4.0
[INFO] [stderr]   Downloaded microserde v0.1.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 25b5980cb8d1aba3651b0caaaabc20f202b35bff469eb0c133b4cb7a08351fde
[INFO] running `Command { std: "docker" "start" "-a" "25b5980cb8d1aba3651b0caaaabc20f202b35bff469eb0c133b4cb7a08351fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b5980cb8d1aba3651b0caaaabc20f202b35bff469eb0c133b4cb7a08351fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b5980cb8d1aba3651b0caaaabc20f202b35bff469eb0c133b4cb7a08351fde", kill_on_drop: false }`
[INFO] [stdout] 25b5980cb8d1aba3651b0caaaabc20f202b35bff469eb0c133b4cb7a08351fde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c91787f0902d8669018639305bd790567d636d89d17d90de57170b397a1cf175
[INFO] running `Command { std: "docker" "start" "-a" "c91787f0902d8669018639305bd790567d636d89d17d90de57170b397a1cf175", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking bitcoin_hashes v0.11.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking bech32 v0.9.1
[INFO] [stderr]     Checking nonempty v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]     Checking nakamoto-net v0.4.0
[INFO] [stderr]    Compiling microserde-derive v0.1.13
[INFO] [stderr]     Checking microserde v0.1.13
[INFO] [stderr]     Checking secp256k1 v0.24.3
[INFO] [stderr]     Checking bitcoin v0.29.2
[INFO] [stderr]     Checking nakamoto-common v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s
[INFO] running `Command { std: "docker" "inspect" "c91787f0902d8669018639305bd790567d636d89d17d90de57170b397a1cf175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c91787f0902d8669018639305bd790567d636d89d17d90de57170b397a1cf175", kill_on_drop: false }`
[INFO] [stdout] c91787f0902d8669018639305bd790567d636d89d17d90de57170b397a1cf175