[INFO] fetching crate firestore-serde 0.1.2...
[INFO] checking firestore-serde-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate firestore-serde 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate firestore-serde 0.1.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate firestore-serde 0.1.2
[INFO] finished tweaking crates.io crate firestore-serde 0.1.2
[INFO] tweaked toml for crates.io crate firestore-serde 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 117 packages
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding h2 v0.3.26 (latest: v0.4.4)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.0)
[INFO] [stderr]       Adding hyper v0.14.28 (latest: v1.2.0)
[INFO] [stderr]       Adding hyper-timeout v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding prost v0.9.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-derive v0.9.0 (latest: v0.12.4)
[INFO] [stderr]       Adding prost-types v0.9.0 (latest: v0.12.4)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tokio-util v0.6.10 (latest: v0.7.10)
[INFO] [stderr]       Adding tonic v0.6.2 (latest: v0.11.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost v0.9.0
[INFO] [stderr]   Downloaded prost-types v0.9.0
[INFO] [stderr]   Downloaded tonic v0.6.2
[INFO] [stderr]   Downloaded prost-derive v0.9.0
[INFO] [stderr]   Downloaded googapis v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4f0ba7e1055f57f310f22722ff0b421900caa6fa21576157af5b68316d48f0c
[INFO] running `Command { std: "docker" "start" "-a" "f4f0ba7e1055f57f310f22722ff0b421900caa6fa21576157af5b68316d48f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f0ba7e1055f57f310f22722ff0b421900caa6fa21576157af5b68316d48f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f0ba7e1055f57f310f22722ff0b421900caa6fa21576157af5b68316d48f0c", kill_on_drop: false }`
[INFO] [stdout] f4f0ba7e1055f57f310f22722ff0b421900caa6fa21576157af5b68316d48f0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9df36d89fa1fab72ac16418aed128fed27696bcc40b96a616cb1fa1bfb990320
[INFO] running `Command { std: "docker" "start" "-a" "9df36d89fa1fab72ac16418aed128fed27696bcc40b96a616cb1fa1bfb990320", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-io-timeout v1.2.0
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking prost v0.9.0
[INFO] [stderr]     Checking prost-types v0.9.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.6.2
[INFO] [stderr]     Checking googapis v0.6.0
[INFO] [stderr]     Checking firestore-serde v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `SerializationError` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use super::*;
[INFO] [stdout]    |         -------- the item `SerializationError` is already imported here
[INFO] [stdout] 67 |     use crate::firestore::ArrayValue;
[INFO] [stdout] 68 |     use crate::serialize::SerializationError;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.30s
[INFO] running `Command { std: "docker" "inspect" "9df36d89fa1fab72ac16418aed128fed27696bcc40b96a616cb1fa1bfb990320", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df36d89fa1fab72ac16418aed128fed27696bcc40b96a616cb1fa1bfb990320", kill_on_drop: false }`
[INFO] [stdout] 9df36d89fa1fab72ac16418aed128fed27696bcc40b96a616cb1fa1bfb990320