[INFO] fetching crate mls-rs-core 0.19.1...
[INFO] checking mls-rs-core-0.19.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] extracting crate mls-rs-core 0.19.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mls-rs-core 0.19.1 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 mls-rs-core 0.19.1
[INFO] finished tweaking crates.io crate mls-rs-core 0.19.1
[INFO] tweaked toml for crates.io crate mls-rs-core 0.19.1 written to /workspace/builds/worker-7-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 109 packages to latest compatible versions
[INFO] [stderr]       Adding ext-trait v1.0.1 (available: v2.0.0)
[INFO] [stderr]       Adding ext-trait-proc_macros v1.0.1 (available: v2.0.0)
[INFO] [stderr]       Adding extension-traits v1.0.1 (available: v2.0.0)
[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 macro_rules_attribute v0.1.3 (available: v0.2.0)
[INFO] [stderr]       Adding macro_rules_attribute-proc_macro v0.1.3 (available: v0.2.0)
[INFO] [stderr]       Adding prettyplease v0.1.25 (available: v0.2.22)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.79)
[INFO] [stderr]       Adding uninit v0.5.1 (available: v0.6.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding with_builtin_macros v0.0.3 (available: v0.1.0)
[INFO] [stderr]       Adding with_builtin_macros-proc_macros v0.0.3 (available: v0.1.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6cc0bbd9ff34890f154af22f51c44a957fbde1739e0f749c9607d96a6b945a3e
[INFO] running `Command { std: "docker" "start" "-a" "6cc0bbd9ff34890f154af22f51c44a957fbde1739e0f749c9607d96a6b945a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cc0bbd9ff34890f154af22f51c44a957fbde1739e0f749c9607d96a6b945a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc0bbd9ff34890f154af22f51c44a957fbde1739e0f749c9607d96a6b945a3e", kill_on_drop: false }`
[INFO] [stdout] 6cc0bbd9ff34890f154af22f51c44a957fbde1739e0f749c9607d96a6b945a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] f984559cf0901dc040d2f4a9f4cb4c62b94a33f50e32c59aa632ea519e547aa0
[INFO] running `Command { std: "docker" "start" "-a" "f984559cf0901dc040d2f4a9f4cb4c62b94a33f50e32c59aa632ea519e547aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling syn v2.0.79
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling maybe-async v0.2.10
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]    Compiling darling v0.20.10
[INFO] [stderr]    Compiling mls-rs-codec-derive v0.1.1
[INFO] [stderr]     Checking mls-rs-codec v0.5.3
[INFO] [stderr]     Checking mls-rs-core v0.19.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.06s
[INFO] running `Command { std: "docker" "inspect" "f984559cf0901dc040d2f4a9f4cb4c62b94a33f50e32c59aa632ea519e547aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f984559cf0901dc040d2f4a9f4cb4c62b94a33f50e32c59aa632ea519e547aa0", kill_on_drop: false }`
[INFO] [stdout] f984559cf0901dc040d2f4a9f4cb4c62b94a33f50e32c59aa632ea519e547aa0