[INFO] fetching crate fvm_ipld_encoding 0.4.0...
[INFO] checking fvm_ipld_encoding-0.4.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate fvm_ipld_encoding 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fvm_ipld_encoding 0.4.0 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 fvm_ipld_encoding 0.4.0
[INFO] finished tweaking crates.io crate fvm_ipld_encoding 0.4.0
[INFO] tweaked toml for crates.io crate fvm_ipld_encoding 0.4.0 written to /workspace/builds/worker-2-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 44 packages to latest compatible versions
[INFO] [stderr]       Adding cbor4ii v0.2.14 (available: v0.3.3)
[INFO] [stderr]       Adding cid v0.10.1 (available: v0.11.1)
[INFO] [stderr]       Adding multihash v0.18.1 (available: v0.19.1)
[INFO] [stderr]       Adding multihash-derive v0.8.1 (available: v0.9.0)
[INFO] [stderr]       Adding proc-macro-crate v1.1.3 (available: v1.3.1)
[INFO] [stderr]       Adding serde-big-array v0.3.3 (available: v0.5.1)
[INFO] [stderr]       Adding serde_ipld_dagcbor v0.4.2 (available: v0.6.1)
[INFO] [stderr]       Adding serde_tuple v0.5.0 (available: v1.0.0)
[INFO] [stderr]       Adding serde_tuple_macros v0.5.0 (available: v1.0.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.1)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.8.19)
[INFO] [stderr]       Adding unsigned-varint v0.7.2 (available: v0.8.0)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 40752c24b55dec245dc3613ea29b28137f7d5df508b59236c7289d411ee7feec
[INFO] running `Command { std: "docker" "start" "-a" "40752c24b55dec245dc3613ea29b28137f7d5df508b59236c7289d411ee7feec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40752c24b55dec245dc3613ea29b28137f7d5df508b59236c7289d411ee7feec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40752c24b55dec245dc3613ea29b28137f7d5df508b59236c7289d411ee7feec", kill_on_drop: false }`
[INFO] [stdout] 40752c24b55dec245dc3613ea29b28137f7d5df508b59236c7289d411ee7feec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5862e6f98556bf4bfe66905cf4318bc23f453f7b8a6e88be87157f11481db13f
[INFO] running `Command { std: "docker" "start" "-a" "5862e6f98556bf4bfe66905cf4318bc23f453f7b8a6e88be87157f11481db13f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]    Compiling thiserror v1.0.64
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.13
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling serde_tuple_macros v0.5.0
[INFO] [stderr]     Checking data-encoding-macro v0.1.15
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde-big-array v0.3.3
[INFO] [stderr]     Checking serde_bytes v0.11.15
[INFO] [stderr]     Checking cbor4ii v0.2.14
[INFO] [stderr]     Checking serde_tuple v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking multihash v0.18.1
[INFO] [stderr]     Checking cid v0.10.1
[INFO] [stderr]     Checking fvm_ipld_blockstore v0.2.1
[INFO] [stderr]     Checking serde_ipld_dagcbor v0.4.2
[INFO] [stderr]     Checking fvm_ipld_encoding v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.14s
[INFO] running `Command { std: "docker" "inspect" "5862e6f98556bf4bfe66905cf4318bc23f453f7b8a6e88be87157f11481db13f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5862e6f98556bf4bfe66905cf4318bc23f453f7b8a6e88be87157f11481db13f", kill_on_drop: false }`
[INFO] [stdout] 5862e6f98556bf4bfe66905cf4318bc23f453f7b8a6e88be87157f11481db13f