[INFO] fetching crate cml-chain-wasm 6.0.1...
[INFO] checking cml-chain-wasm-6.0.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate cml-chain-wasm 6.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cml-chain-wasm 6.0.1 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 cml-chain-wasm 6.0.1
[INFO] finished tweaking crates.io crate cml-chain-wasm 6.0.1
[INFO] tweaked toml for crates.io crate cml-chain-wasm 6.0.1 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 97 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding bech32 v0.7.3 (available: v0.11.0)
[INFO] [stderr]       Adding block-buffer v0.9.0 (available: v0.10.4)
[INFO] [stderr]       Adding digest v0.9.0 (available: v0.10.7)
[INFO] [stderr]       Adding fraction v0.10.0 (available: v0.15.3)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v1.1.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.13.0)
[INFO] [stderr]       Adding num v0.2.1 (available: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.2.4 (available: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.2.4 (available: v0.4.2)
[INFO] [stderr]       Adding serde-wasm-bindgen v0.4.5 (available: v0.6.5)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.8)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (available: v0.58.0)
[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-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d75fa815f7b86c7384b5ced01fb8ead185e8849d78200950a55812c9f1c8b94
[INFO] running `Command { std: "docker" "start" "-a" "5d75fa815f7b86c7384b5ced01fb8ead185e8849d78200950a55812c9f1c8b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d75fa815f7b86c7384b5ced01fb8ead185e8849d78200950a55812c9f1c8b94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d75fa815f7b86c7384b5ced01fb8ead185e8849d78200950a55812c9f1c8b94", kill_on_drop: false }`
[INFO] [stdout] 5d75fa815f7b86c7384b5ced01fb8ead185e8849d78200950a55812c9f1c8b94
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b555f641d3d70df8a0ab8268d5e5efa0ae9d52f3edd060171977dea0ca0b4fb
[INFO] running `Command { std: "docker" "start" "-a" "9b555f641d3d70df8a0ab8268d5e5efa0ae9d52f3edd060171977dea0ca0b4fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]    Compiling schemars v0.8.21
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]     Checking cbor_event v2.4.0
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking cryptoxide v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.93
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling schemars_derive v0.8.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.93
[INFO] [stderr]     Checking serde-aux v4.5.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.93
[INFO] [stderr]     Checking ed25519-bip32 v0.4.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking fraction v0.10.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking js-sys v0.3.70
[INFO] [stderr]     Checking cml-core v6.0.1
[INFO] [stderr]     Checking cml-crypto v6.0.1
[INFO] [stderr]     Checking cml-chain v6.0.1
[INFO] [stderr]     Checking serde-wasm-bindgen v0.4.5
[INFO] [stderr]     Checking cml-core-wasm v6.0.1
[INFO] [stderr]     Checking cml-crypto-wasm v6.0.1
[INFO] [stderr]     Checking cml-chain-wasm v6.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.69s
[INFO] running `Command { std: "docker" "inspect" "9b555f641d3d70df8a0ab8268d5e5efa0ae9d52f3edd060171977dea0ca0b4fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b555f641d3d70df8a0ab8268d5e5efa0ae9d52f3edd060171977dea0ca0b4fb", kill_on_drop: false }`
[INFO] [stdout] 9b555f641d3d70df8a0ab8268d5e5efa0ae9d52f3edd060171977dea0ca0b4fb