[INFO] fetching crate fvm_ipld_encoding 0.4.0...
[INFO] checking fvm_ipld_encoding-0.4.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[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 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 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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 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: v2.0.79)
[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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "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-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 512eb6e38634594534e0a0a4bbadd4764f030524a68e47117e90bd437f8f7277
[INFO] running `Command { std: "docker" "start" "-a" "512eb6e38634594534e0a0a4bbadd4764f030524a68e47117e90bd437f8f7277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "512eb6e38634594534e0a0a4bbadd4764f030524a68e47117e90bd437f8f7277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "512eb6e38634594534e0a0a4bbadd4764f030524a68e47117e90bd437f8f7277", kill_on_drop: false }`
[INFO] [stdout] 512eb6e38634594534e0a0a4bbadd4764f030524a68e47117e90bd437f8f7277
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5471658287a7ec7d31bb764f4eda1c2fac23c2b6d471d36d78920ef498c09b4
[INFO] running `Command { std: "docker" "start" "-a" "c5471658287a7ec7d31bb764f4eda1c2fac23c2b6d471d36d78920ef498c09b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]    Compiling data-encoding v2.6.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.79
[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 toml v0.5.11
[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 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-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 multihash v0.18.1
[INFO] [stderr]     Checking cid v0.10.1
[INFO] [stderr]     Checking serde_ipld_dagcbor v0.4.2
[INFO] [stderr]     Checking fvm_ipld_blockstore v0.2.1
[INFO] [stderr]     Checking fvm_ipld_encoding v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.08s
[INFO] running `Command { std: "docker" "inspect" "c5471658287a7ec7d31bb764f4eda1c2fac23c2b6d471d36d78920ef498c09b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5471658287a7ec7d31bb764f4eda1c2fac23c2b6d471d36d78920ef498c09b4", kill_on_drop: false }`
[INFO] [stdout] c5471658287a7ec7d31bb764f4eda1c2fac23c2b6d471d36d78920ef498c09b4