[INFO] fetching crate fcplug-rclib 0.2.1...
[INFO] checking fcplug-rclib-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate fcplug-rclib 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fcplug-rclib 0.2.1 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 fcplug-rclib 0.2.1
[INFO] finished tweaking crates.io crate fcplug-rclib 0.2.1
[INFO] tweaked toml for crates.io crate fcplug-rclib 0.2.1 written to /workspace/builds/worker-6-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 92 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cbindgen v0.24.5 (latest: v0.26.0)
[INFO] [stderr]       Adding clap v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.0)
[INFO] [stderr]       Adding fcplug-build v0.2.4 (latest: v0.4.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding protobuf v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding protobuf-codegen v2.28.0 (latest: v3.4.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding which v4.4.2 (latest: v6.0.1)
[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 flatc-rust v0.2.0
[INFO] [stderr]   Downloaded defer-lite v1.0.0
[INFO] [stderr]   Downloaded fcplug-macros v0.2.4
[INFO] [stderr]   Downloaded fcplug-build v0.2.4
[INFO] [stderr]   Downloaded flatbuffers v23.5.26
[INFO] [stderr]   Downloaded cbindgen v0.24.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cbef15211f7440757e2520d4592f5a2f8a640ac23477b8df3d66b05ca470cb41
[INFO] running `Command { std: "docker" "start" "-a" "cbef15211f7440757e2520d4592f5a2f8a640ac23477b8df3d66b05ca470cb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbef15211f7440757e2520d4592f5a2f8a640ac23477b8df3d66b05ca470cb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbef15211f7440757e2520d4592f5a2f8a640ac23477b8df3d66b05ca470cb41", kill_on_drop: false }`
[INFO] [stdout] cbef15211f7440757e2520d4592f5a2f8a640ac23477b8df3d66b05ca470cb41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] dab76f30af201f1e4fb04b110a89ebf476ba05d126370c4ff108f2976bf30243
[INFO] running `Command { std: "docker" "start" "-a" "dab76f30af201f1e4fb04b110a89ebf476ba05d126370c4ff108f2976bf30243", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling cbindgen v0.24.5
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling flatc-rust v0.2.0
[INFO] [stderr]    Compiling flatbuffers v23.5.26
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]     Checking defer-lite v1.0.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]     Checking tracing-appender v0.2.3
[INFO] [stderr]    Compiling protoc v2.28.0
[INFO] [stderr]    Compiling protobuf-codegen v2.28.0
[INFO] [stderr]    Compiling protoc-rust v2.28.0
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling fcplug-macros v0.2.4
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling fcplug-build v0.2.4
[INFO] [stderr]    Compiling fcplug-rclib v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "dab76f30af201f1e4fb04b110a89ebf476ba05d126370c4ff108f2976bf30243", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab76f30af201f1e4fb04b110a89ebf476ba05d126370c4ff108f2976bf30243", kill_on_drop: false }`
[INFO] [stdout] dab76f30af201f1e4fb04b110a89ebf476ba05d126370c4ff108f2976bf30243