[INFO] fetching crate fud-core 0.0.2...
[INFO] checking fud-core-0.0.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate fud-core 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate fud-core 0.0.2 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 fud-core 0.0.2
[INFO] finished tweaking crates.io crate fud-core 0.0.2
[INFO] tweaked toml for crates.io crate fud-core 0.0.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding cranelift-entity v0.103.0 (available: v0.112.1)
[INFO] [stderr]       Adding env_logger v0.9.3 (available: v0.11.5)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (available: v0.4.0)
[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] [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7cb7853aa25a60898541215640744e225239be2087c98be2c9320ec93b3d70e
[INFO] running `Command { std: "docker" "start" "-a" "c7cb7853aa25a60898541215640744e225239be2087c98be2c9320ec93b3d70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7cb7853aa25a60898541215640744e225239be2087c98be2c9320ec93b3d70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cb7853aa25a60898541215640744e225239be2087c98be2c9320ec93b3d70e", kill_on_drop: false }`
[INFO] [stdout] c7cb7853aa25a60898541215640744e225239be2087c98be2c9320ec93b3d70e
[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] 900231b3e63eba928ff9606237f91b285989c0528c5f0f4a8b1ca997e3439f3a
[INFO] running `Command { std: "docker" "start" "-a" "900231b3e63eba928ff9606237f91b285989c0528c5f0f4a8b1ca997e3439f3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking winnow v0.6.20
[INFO] [stderr]    Compiling camino v1.1.9
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking cranelift-entity v0.103.0
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]     Checking serde v1.0.210
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking argh_shared v0.1.12
[INFO] [stderr]     Checking toml_edit v0.22.22
[INFO] [stderr]    Compiling argh_derive v0.1.12
[INFO] [stderr]     Checking argh v0.1.12
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking fud-core v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.38s
[INFO] running `Command { std: "docker" "inspect" "900231b3e63eba928ff9606237f91b285989c0528c5f0f4a8b1ca997e3439f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900231b3e63eba928ff9606237f91b285989c0528c5f0f4a8b1ca997e3439f3a", kill_on_drop: false }`
[INFO] [stdout] 900231b3e63eba928ff9606237f91b285989c0528c5f0f4a8b1ca997e3439f3a