[INFO] fetching crate railwayapp 3.14.1...
[INFO] checking railwayapp-3.14.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate railwayapp 3.14.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate railwayapp 3.14.1 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 railwayapp 3.14.1
[INFO] finished tweaking crates.io crate railwayapp 3.14.1
[INFO] tweaked toml for crates.io crate railwayapp 3.14.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate railwayapp 3.14.1 already has a lockfile, it will not be regenerated
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] aadd5903641d23ecfe81631e92b35a7c3cca14345dd765820f1181d2063e02b0
[INFO] running `Command { std: "docker" "start" "-a" "aadd5903641d23ecfe81631e92b35a7c3cca14345dd765820f1181d2063e02b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aadd5903641d23ecfe81631e92b35a7c3cca14345dd765820f1181d2063e02b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aadd5903641d23ecfe81631e92b35a7c3cca14345dd765820f1181d2063e02b0", kill_on_drop: false }`
[INFO] [stdout] aadd5903641d23ecfe81631e92b35a7c3cca14345dd765820f1181d2063e02b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8fdb2780368ddac5f0a60b38e4d0be683b9504e45762b99e8209be6b7fc0cdf4
[INFO] running `Command { std: "docker" "start" "-a" "8fdb2780368ddac5f0a60b38e4d0be683b9504e45762b99e8209be6b7fc0cdf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
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[INFO] [stderr]    Compiling darling_core v0.20.9
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[INFO] [stderr]    Compiling graphql-introspection-query v0.2.0
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[INFO] [stderr]     Checking hyper-rustls v0.24.2
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[INFO] [stderr]    Compiling graphql_query_derive v0.13.0
[INFO] [stderr]     Checking graphql_client v0.13.0
[INFO] [stderr]     Checking graphql-ws-client v0.8.2
[INFO] [stderr]     Checking railwayapp v3.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.44s
[INFO] running `Command { std: "docker" "inspect" "8fdb2780368ddac5f0a60b38e4d0be683b9504e45762b99e8209be6b7fc0cdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fdb2780368ddac5f0a60b38e4d0be683b9504e45762b99e8209be6b7fc0cdf4", kill_on_drop: false }`
[INFO] [stdout] 8fdb2780368ddac5f0a60b38e4d0be683b9504e45762b99e8209be6b7fc0cdf4