[INFO] fetching crate informalsystems-pbjson-build 0.7.0...
[INFO] checking informalsystems-pbjson-build-0.7.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate informalsystems-pbjson-build 0.7.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate informalsystems-pbjson-build 0.7.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate informalsystems-pbjson-build 0.7.0
[INFO] finished tweaking crates.io crate informalsystems-pbjson-build 0.7.0
[INFO] tweaked toml for crates.io crate informalsystems-pbjson-build 0.7.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding itertools v0.12.1 (available: v0.13.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (available: v0.6.5)
[INFO] [stderr]       Adding prost v0.12.6 (available: v0.13.3)
[INFO] [stderr]       Adding prost-derive v0.12.6 (available: v0.13.3)
[INFO] [stderr]       Adding prost-types v0.12.6 (available: v0.13.3)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ff951ca5dcd667f582194b039e40704a400fa719deb0e57a7ebf7fb693cd727
[INFO] running `Command { std: "docker" "start" "-a" "2ff951ca5dcd667f582194b039e40704a400fa719deb0e57a7ebf7fb693cd727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ff951ca5dcd667f582194b039e40704a400fa719deb0e57a7ebf7fb693cd727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ff951ca5dcd667f582194b039e40704a400fa719deb0e57a7ebf7fb693cd727", kill_on_drop: false }`
[INFO] [stdout] 2ff951ca5dcd667f582194b039e40704a400fa719deb0e57a7ebf7fb693cd727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e12536011e419989e7cb4c3a3988322d67c90affe97ad54d52f8bd67d86c4d3c
[INFO] running `Command { std: "docker" "start" "-a" "e12536011e419989e7cb4c3a3988322d67c90affe97ad54d52f8bd67d86c4d3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling prost-derive v0.12.6
[INFO] [stderr]     Checking prost v0.12.6
[INFO] [stderr]     Checking prost-types v0.12.6
[INFO] [stderr]     Checking informalsystems-pbjson-build v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/message.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Message(TypePath),
[INFO] [stdout]    |     ------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Message(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/message.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Message(TypePath),
[INFO] [stdout]    |     ------- ^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FieldType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Message(()),
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.95s
[INFO] running `Command { std: "docker" "inspect" "e12536011e419989e7cb4c3a3988322d67c90affe97ad54d52f8bd67d86c4d3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12536011e419989e7cb4c3a3988322d67c90affe97ad54d52f8bd67d86c4d3c", kill_on_drop: false }`
[INFO] [stdout] e12536011e419989e7cb4c3a3988322d67c90affe97ad54d52f8bd67d86c4d3c