[INFO] fetching crate rpc_pb 0.9.0...
[INFO] checking rpc_pb-0.9.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate rpc_pb 0.9.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rpc_pb 0.9.0 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 rpc_pb 0.9.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rpc_pb 0.9.0
[INFO] tweaked toml for crates.io crate rpc_pb 0.9.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate rpc_pb 0.9.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 79be358befb1483625584737e3391416aedb20284fe3d4af6f37f1afc6f680dc
[INFO] running `Command { std: "docker" "start" "-a" "79be358befb1483625584737e3391416aedb20284fe3d4af6f37f1afc6f680dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79be358befb1483625584737e3391416aedb20284fe3d4af6f37f1afc6f680dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79be358befb1483625584737e3391416aedb20284fe3d4af6f37f1afc6f680dc", kill_on_drop: false }`
[INFO] [stdout] 79be358befb1483625584737e3391416aedb20284fe3d4af6f37f1afc6f680dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f3aaeaf0ceaf6f9626ff64abe3ec783213f3f3ef0696ef3edf9a5b1dec4a4e9d
[INFO] running `Command { std: "docker" "start" "-a" "f3aaeaf0ceaf6f9626ff64abe3ec783213f3f3ef0696ef3edf9a5b1dec4a4e9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling buffertk v0.9.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking zerror v0.6.0
[INFO] [stderr]     Checking sig_fig_histogram v0.4.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking biometrics v0.9.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr]     Checking utilz v0.5.0
[INFO] [stderr]    Compiling derive_util v0.4.0
[INFO] [stderr]    Compiling prototk_derive v0.9.0
[INFO] [stderr]    Compiling arrrg_derive v0.4.0
[INFO] [stderr]    Compiling zerror_derive v0.5.0
[INFO] [stderr]     Checking arrrg v0.4.0
[INFO] [stderr]     Checking guacamole v0.8.0
[INFO] [stderr]     Checking prototk v0.9.0
[INFO] [stderr]     Checking one_two_eight v0.6.0
[INFO] [stderr]     Checking tatl v0.8.0
[INFO] [stderr]     Checking indicio v0.7.0
[INFO] [stderr]     Checking zerror_core v0.8.0
[INFO] [stderr]     Checking rpc_pb v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "f3aaeaf0ceaf6f9626ff64abe3ec783213f3f3ef0696ef3edf9a5b1dec4a4e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3aaeaf0ceaf6f9626ff64abe3ec783213f3f3ef0696ef3edf9a5b1dec4a4e9d", kill_on_drop: false }`
[INFO] [stdout] f3aaeaf0ceaf6f9626ff64abe3ec783213f3f3ef0696ef3edf9a5b1dec4a4e9d