[INFO] fetching crate ecdsa-flow 1.0.0...
[INFO] checking ecdsa-flow-1.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate ecdsa-flow 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ecdsa-flow 1.0.0 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 ecdsa-flow 1.0.0
[INFO] finished tweaking crates.io crate ecdsa-flow 1.0.0
[INFO] tweaked toml for crates.io crate ecdsa-flow 1.0.0 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 31 packages to latest compatible versions
[INFO] [stderr]       Adding base64ct v1.1.1 (available: v1.6.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (available: v0.10.4)
[INFO] [stderr]       Adding block-padding v0.2.1 (available: v0.3.3)
[INFO] [stderr]       Adding const-oid v0.6.2 (available: v0.9.6)
[INFO] [stderr]       Adding crypto-bigint v0.2.11 (available: v0.5.5)
[INFO] [stderr]       Adding der v0.4.5 (available: v0.7.9)
[INFO] [stderr]       Adding digest v0.9.0 (available: v0.10.7)
[INFO] [stderr]       Adding ff v0.11.1 (available: v0.13.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding group v0.11.0 (available: v0.13.0)
[INFO] [stderr]       Adding hex-literal v0.3.4 (available: v0.4.1)
[INFO] [stderr]       Adding hmac v0.11.0 (available: v0.12.1)
[INFO] [stderr]       Adding pem-rfc7468 v0.2.4 (available: v0.7.0)
[INFO] [stderr]       Adding pkcs8 v0.7.6 (available: v0.10.2)
[INFO] [stderr]       Adding sha3 v0.9.1 (available: v0.10.8)
[INFO] [stderr]       Adding spki v0.4.1 (available: v0.7.3)
[INFO] [stderr]       Adding subtle v2.4.1 (available: v2.6.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding zeroize v1.4.3 (available: v1.8.1)
[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-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] 85a3f04e6476d028b71656b6c695ccc2f25ece73762873ad10813c61f9906a3b
[INFO] running `Command { std: "docker" "start" "-a" "85a3f04e6476d028b71656b6c695ccc2f25ece73762873ad10813c61f9906a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a3f04e6476d028b71656b6c695ccc2f25ece73762873ad10813c61f9906a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a3f04e6476d028b71656b6c695ccc2f25ece73762873ad10813c61f9906a3b", kill_on_drop: false }`
[INFO] [stdout] 85a3f04e6476d028b71656b6c695ccc2f25ece73762873ad10813c61f9906a3b
[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] a66595097a044695b4660291bb11dfce687b7056c842bf32ee2d922dd7a4bae2
[INFO] running `Command { std: "docker" "start" "-a" "a66595097a044695b4660291bb11dfce687b7056c842bf32ee2d922dd7a4bae2", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking const-oid v0.6.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking zeroize v1.4.3
[INFO] [stderr]     Checking base64ct v1.1.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking pem-rfc7468 v0.2.4
[INFO] [stderr]     Checking der v0.4.5
[INFO] [stderr]     Checking ff v0.11.1
[INFO] [stderr]     Checking group v0.11.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking signature-flow v1.0.0
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking spki v0.4.1
[INFO] [stderr]     Checking pkcs8 v0.7.6
[INFO] [stderr]     Checking elliptic-curve-flow v1.0.0
[INFO] [stderr]     Checking ecdsa-flow v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "a66595097a044695b4660291bb11dfce687b7056c842bf32ee2d922dd7a4bae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a66595097a044695b4660291bb11dfce687b7056c842bf32ee2d922dd7a4bae2", kill_on_drop: false }`
[INFO] [stdout] a66595097a044695b4660291bb11dfce687b7056c842bf32ee2d922dd7a4bae2