[INFO] fetching crate informalsystems-prost-build 0.8.1...
[INFO] checking informalsystems-prost-build-0.8.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate informalsystems-prost-build 0.8.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate informalsystems-prost-build 0.8.1 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 informalsystems-prost-build 0.8.1
[INFO] finished tweaking crates.io crate informalsystems-prost-build 0.8.1
[INFO] tweaked toml for crates.io crate informalsystems-prost-build 0.8.1 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 48 packages
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding fixedbitset v0.4.2 (latest: v0.5.6)
[INFO] [stderr]       Adding heck v0.3.3 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding multimap v0.8.3 (latest: v0.10.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[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 informalsystems-prost-derive v0.8.1
[INFO] [stderr]   Downloaded informalsystems-prost-types v0.8.1
[INFO] [stderr]   Downloaded informalsystems-prost v0.8.1
[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] ada3d9a4a27ec435d5254e459045b043870b1f8dd936a6b4967293e8ca5430c0
[INFO] running `Command { std: "docker" "start" "-a" "ada3d9a4a27ec435d5254e459045b043870b1f8dd936a6b4967293e8ca5430c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada3d9a4a27ec435d5254e459045b043870b1f8dd936a6b4967293e8ca5430c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada3d9a4a27ec435d5254e459045b043870b1f8dd936a6b4967293e8ca5430c0", kill_on_drop: false }`
[INFO] [stdout] ada3d9a4a27ec435d5254e459045b043870b1f8dd936a6b4967293e8ca5430c0
[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] 56970a468bcc20e38965ad91debc7e445b74ad3ca7e0149ffb8af2090b540678
[INFO] running `Command { std: "docker" "start" "-a" "56970a468bcc20e38965ad91debc7e445b74ad3ca7e0149ffb8af2090b540678", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling informalsystems-prost-build v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling informalsystems-prost-derive v0.8.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking informalsystems-prost v0.8.1
[INFO] [stderr]     Checking informalsystems-prost-types v0.8.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.05s
[INFO] running `Command { std: "docker" "inspect" "56970a468bcc20e38965ad91debc7e445b74ad3ca7e0149ffb8af2090b540678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56970a468bcc20e38965ad91debc7e445b74ad3ca7e0149ffb8af2090b540678", kill_on_drop: false }`
[INFO] [stdout] 56970a468bcc20e38965ad91debc7e445b74ad3ca7e0149ffb8af2090b540678