[INFO] fetching crate rust_bridge_traits 0.1.0...
[INFO] checking rust_bridge_traits-0.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate rust_bridge_traits 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate rust_bridge_traits 0.1.0 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 rust_bridge_traits 0.1.0
[INFO] finished tweaking crates.io crate rust_bridge_traits 0.1.0
[INFO] tweaked toml for crates.io crate rust_bridge_traits 0.1.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding libloading v0.6.7 (available: v0.8.5)
[INFO] [stderr]       Adding neon v0.10.1 (available: v1.0.0)
[INFO] [stderr]       Adding neon-macros v0.10.1 (available: v1.0.0)
[INFO] [stderr]       Adding semver v0.9.0 (available: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (available: v0.10.2)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding syn-mid v0.5.4 (available: v0.6.0)
[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] 737b2e9a2aef07124d2ad2e0f32ec6faf9193d63a6fbdb4fbd8aec81ca60302c
[INFO] running `Command { std: "docker" "start" "-a" "737b2e9a2aef07124d2ad2e0f32ec6faf9193d63a6fbdb4fbd8aec81ca60302c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "737b2e9a2aef07124d2ad2e0f32ec6faf9193d63a6fbdb4fbd8aec81ca60302c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "737b2e9a2aef07124d2ad2e0f32ec6faf9193d63a6fbdb4fbd8aec81ca60302c", kill_on_drop: false }`
[INFO] [stdout] 737b2e9a2aef07124d2ad2e0f32ec6faf9193d63a6fbdb4fbd8aec81ca60302c
[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] b53dfbe0ee9bb9114962977eab3a4edd3d3abdfb7d93f8356738859489af9ba3
[INFO] running `Command { std: "docker" "start" "-a" "b53dfbe0ee9bb9114962977eab3a4edd3d3abdfb7d93f8356738859489af9ba3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling neon-build v0.10.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking neon-runtime v0.10.1
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling neon v0.10.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn-mid v0.5.4
[INFO] [stderr]    Compiling neon-macros v0.10.1
[INFO] [stderr]     Checking rust_bridge_traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.93s
[INFO] running `Command { std: "docker" "inspect" "b53dfbe0ee9bb9114962977eab3a4edd3d3abdfb7d93f8356738859489af9ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53dfbe0ee9bb9114962977eab3a4edd3d3abdfb7d93f8356738859489af9ba3", kill_on_drop: false }`
[INFO] [stdout] b53dfbe0ee9bb9114962977eab3a4edd3d3abdfb7d93f8356738859489af9ba3