[INFO] fetching crate neon-serde4 1.0.0-1...
[INFO] checking neon-serde4-1.0.0-1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate neon-serde4 1.0.0-1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate neon-serde4 1.0.0-1 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 neon-serde4 1.0.0-1
[INFO] finished tweaking crates.io crate neon-serde4 1.0.0-1
[INFO] tweaked toml for crates.io crate neon-serde4 1.0.0-1 written to /workspace/builds/worker-2-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]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8b77dc1e79c8d0160ee9d7a04caa9a82694ad2d172d7266e55b3f0768a30ccd3
[INFO] running `Command { std: "docker" "start" "-a" "8b77dc1e79c8d0160ee9d7a04caa9a82694ad2d172d7266e55b3f0768a30ccd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b77dc1e79c8d0160ee9d7a04caa9a82694ad2d172d7266e55b3f0768a30ccd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b77dc1e79c8d0160ee9d7a04caa9a82694ad2d172d7266e55b3f0768a30ccd3", kill_on_drop: false }`
[INFO] [stdout] 8b77dc1e79c8d0160ee9d7a04caa9a82694ad2d172d7266e55b3f0768a30ccd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ace5435d1ef39e9f39fd0a9795a96334fc52a4a77ec286fa635bb9595764338e
[INFO] running `Command { std: "docker" "start" "-a" "ace5435d1ef39e9f39fd0a9795a96334fc52a4a77ec286fa635bb9595764338e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking send_wrapper v0.6.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking libloading v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling syn-mid v0.6.0
[INFO] [stderr]    Compiling neon-macros v1.0.0
[INFO] [stderr]     Checking neon v1.0.0
[INFO] [stderr]     Checking neon-serde4 v1.0.0-1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.12s
[INFO] running `Command { std: "docker" "inspect" "ace5435d1ef39e9f39fd0a9795a96334fc52a4a77ec286fa635bb9595764338e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace5435d1ef39e9f39fd0a9795a96334fc52a4a77ec286fa635bb9595764338e", kill_on_drop: false }`
[INFO] [stdout] ace5435d1ef39e9f39fd0a9795a96334fc52a4a77ec286fa635bb9595764338e