[INFO] fetching crate shuttle-core 0.3.1...
[INFO] checking shuttle-core-0.3.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate shuttle-core 0.3.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate shuttle-core 0.3.1 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 shuttle-core 0.3.1
[INFO] finished tweaking crates.io crate shuttle-core 0.3.1
[INFO] tweaked toml for crates.io crate shuttle-core 0.3.1 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 57 packages to latest compatible versions
[INFO] [stderr]       Adding base32 v0.3.1 (available: v0.5.1)
[INFO] [stderr]       Adding base64 v0.9.3 (available: v0.22.1)
[INFO] [stderr]       Adding bigdecimal v0.0.10 (available: v0.4.5)
[INFO] [stderr]       Adding crc16 v0.3.4 (available: v0.4.0)
[INFO] [stderr]       Adding libsodium-sys v0.0.16 (available: v0.2.7)
[INFO] [stderr]       Adding num v0.1.42 (available: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.1.44 (available: v0.4.6)
[INFO] [stderr]       Adding num-traits v0.1.43 (available: v0.2.19)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (available: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (available: v0.8.3)
[INFO] [stderr]       Adding serde-xdr v0.5.1 (available: v0.6.0)
[INFO] [stderr]       Adding serde_bytes v0.10.5 (available: v0.11.15)
[INFO] [stderr]       Adding sodiumoxide v0.0.16 (available: v0.2.7)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding synstructure v0.12.6 (available: v0.13.1)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[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] bafe2e2fff5fd2be963ff2bdc6ed2a0988a91af7fe804940ce31b830d7ee5b5c
[INFO] running `Command { std: "docker" "start" "-a" "bafe2e2fff5fd2be963ff2bdc6ed2a0988a91af7fe804940ce31b830d7ee5b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bafe2e2fff5fd2be963ff2bdc6ed2a0988a91af7fe804940ce31b830d7ee5b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bafe2e2fff5fd2be963ff2bdc6ed2a0988a91af7fe804940ce31b830d7ee5b5c", kill_on_drop: false }`
[INFO] [stdout] bafe2e2fff5fd2be963ff2bdc6ed2a0988a91af7fe804940ce31b830d7ee5b5c
[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] 20bcbf9f059e6633e44068e4287ba18c8b8a76f9933c6bfd5ee91cb60c2d8db4
[INFO] running `Command { std: "docker" "start" "-a" "20bcbf9f059e6633e44068e4287ba18c8b8a76f9933c6bfd5ee91cb60c2d8db4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling libsodium-sys v0.0.16
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling crc16 v0.3.4
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking base32 v0.3.1
[INFO] [stderr]     Checking sodiumoxide v0.0.16
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking bigdecimal v0.0.10
[INFO] [stderr]     Checking object v0.36.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde-xdr v0.5.1
[INFO] [stderr]     Checking shuttle-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint v0.1.44
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "20bcbf9f059e6633e44068e4287ba18c8b8a76f9933c6bfd5ee91cb60c2d8db4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20bcbf9f059e6633e44068e4287ba18c8b8a76f9933c6bfd5ee91cb60c2d8db4", kill_on_drop: false }`
[INFO] [stdout] 20bcbf9f059e6633e44068e4287ba18c8b8a76f9933c6bfd5ee91cb60c2d8db4