[INFO] fetching crate feed 2.1.0...
[INFO] checking feed-2.1.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate feed 2.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate feed 2.1.0 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 feed 2.1.0
[INFO] finished tweaking crates.io crate feed 2.1.0
[INFO] tweaked toml for crates.io crate feed 2.1.0 written to /workspace/builds/worker-4-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 47 packages to latest compatible versions
[INFO] [stderr]       Adding chrono v0.3.0 (available: v0.4.38)
[INFO] [stderr]       Adding idna v0.1.5 (available: v1.0.2)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.22)
[INFO] [stderr]       Adding mime v0.2.6 (available: v0.3.17)
[INFO] [stderr]       Adding num v0.1.42 (available: v0.4.3)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (available: v2.3.1)
[INFO] [stderr]       Adding quick-xml v0.4.2 (available: v0.36.2)
[INFO] [stderr]       Adding rss v0.4.0 (available: v2.0.9)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.36)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.2)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e7ed3c87ea655c45a16a26b4d89819d1b54284896458d52cc4315c7ae0fc22be
[INFO] running `Command { std: "docker" "start" "-a" "e7ed3c87ea655c45a16a26b4d89819d1b54284896458d52cc4315c7ae0fc22be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7ed3c87ea655c45a16a26b4d89819d1b54284896458d52cc4315c7ae0fc22be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ed3c87ea655c45a16a26b4d89819d1b54284896458d52cc4315c7ae0fc22be", kill_on_drop: false }`
[INFO] [stdout] e7ed3c87ea655c45a16a26b4d89819d1b54284896458d52cc4315c7ae0fc22be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 12bd9c250391b64bc6fb84671d842e4a5b8f91575314ea55ede73f777fc9f533
[INFO] running `Command { std: "docker" "start" "-a" "12bd9c250391b64bc6fb84671d842e4a5b8f91575314ea55ede73f777fc9f533", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking quick-xml v0.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling openssl-sys v0.9.103
[INFO] [stderr]    Compiling libz-sys v1.1.20
[INFO] [stderr]    Compiling curl-sys v0.4.76+curl-8.10.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking rss v0.4.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.3.0
[INFO] [stderr]     Checking feed v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.86s
[INFO] running `Command { std: "docker" "inspect" "12bd9c250391b64bc6fb84671d842e4a5b8f91575314ea55ede73f777fc9f533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bd9c250391b64bc6fb84671d842e4a5b8f91575314ea55ede73f777fc9f533", kill_on_drop: false }`
[INFO] [stdout] 12bd9c250391b64bc6fb84671d842e4a5b8f91575314ea55ede73f777fc9f533