[INFO] fetching crate metrics_cloudwatch_embedded 0.5.0...
[INFO] checking metrics_cloudwatch_embedded-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate metrics_cloudwatch_embedded 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate metrics_cloudwatch_embedded 0.5.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics_cloudwatch_embedded 0.5.0
[INFO] finished tweaking crates.io crate metrics_cloudwatch_embedded 0.5.0
[INFO] tweaked toml for crates.io crate metrics_cloudwatch_embedded 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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 150 packages to latest compatible versions
[INFO] [stderr]       Adding anes v0.1.6 (available: v0.2.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding idna v0.5.0 (available: v1.0.2)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding lambda_http v0.11.4 (available: v0.13.0)
[INFO] [stderr]       Adding lambda_runtime v0.11.3 (available: v0.13.0)
[INFO] [stderr]       Adding matchers v0.1.0 (available: v0.2.0)
[INFO] [stderr]       Adding metrics v0.22.3 (available: v0.23.0)
[INFO] [stderr]       Adding regex-automata v0.1.10 (available: v0.4.7)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.4)
[INFO] [stderr]       Adding tower v0.4.13 (available: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12f8f3573629ddbf96daf9c03abeb1ddd5bd2c4dcd4c76f9b49eb59ba0ff8fb0
[INFO] running `Command { std: "docker" "start" "-a" "12f8f3573629ddbf96daf9c03abeb1ddd5bd2c4dcd4c76f9b49eb59ba0ff8fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12f8f3573629ddbf96daf9c03abeb1ddd5bd2c4dcd4c76f9b49eb59ba0ff8fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f8f3573629ddbf96daf9c03abeb1ddd5bd2c4dcd4c76f9b49eb59ba0ff8fb0", kill_on_drop: false }`
[INFO] [stdout] 12f8f3573629ddbf96daf9c03abeb1ddd5bd2c4dcd4c76f9b49eb59ba0ff8fb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ec627105f2b63d48c52dc3d417d1da8789c73c201950fbfe394354aa8c36b07
[INFO] running `Command { std: "docker" "start" "-a" "6ec627105f2b63d48c52dc3d417d1da8789c73c201950fbfe394354aa8c36b07", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking clap_lex v0.7.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking clap_builder v4.5.18
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking metrics v0.22.3
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking clap v4.5.18
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking query_map v0.7.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-serde v2.1.1
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]     Checking aws_lambda_events v0.15.1
[INFO] [stderr]     Checking hyper v1.4.1
[INFO] [stderr]     Checking tokio-stream v0.1.16
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking hyper-util v0.1.9
[INFO] [stderr]     Checking lambda_runtime_api_client v0.11.1
[INFO] [stderr]     Checking lambda_runtime v0.11.3
[INFO] [stderr]     Checking lambda_http v0.11.4
[INFO] [stderr]     Checking metrics_cloudwatch_embedded v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.80s
[INFO] running `Command { std: "docker" "inspect" "6ec627105f2b63d48c52dc3d417d1da8789c73c201950fbfe394354aa8c36b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ec627105f2b63d48c52dc3d417d1da8789c73c201950fbfe394354aa8c36b07", kill_on_drop: false }`
[INFO] [stdout] 6ec627105f2b63d48c52dc3d417d1da8789c73c201950fbfe394354aa8c36b07