[INFO] fetching crate libblobd-kv 0.7.2...
[INFO] checking libblobd-kv-0.7.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate libblobd-kv 0.7.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate libblobd-kv 0.7.2 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 libblobd-kv 0.7.2
[INFO] finished tweaking crates.io crate libblobd-kv 0.7.2
[INFO] tweaked toml for crates.io crate libblobd-kv 0.7.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 145 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding nu-ansi-term v0.46.0 (latest: v0.50.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding regex-automata v0.1.10 (latest: v0.4.6)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.24.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded off64 v0.6.0
[INFO] [stderr]   Downloaded io-uring v0.6.3
[INFO] [stderr]   Downloaded signal-future v0.1.1
[INFO] [stderr]   Downloaded bufpool v0.2.4
[INFO] [stderr]   Downloaded stochastic-queue v0.2.0
[INFO] [stderr]   Downloaded tinybuf v0.3.0
[INFO] [stderr]   Downloaded struct-name v0.0.1
[INFO] [stderr]   Downloaded struct-name-macro v0.0.2
[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] aeaf878c2bed146c713395a4a5f70b10bc2d6ed0bc679c3efd21ca048391e502
[INFO] running `Command { std: "docker" "start" "-a" "aeaf878c2bed146c713395a4a5f70b10bc2d6ed0bc679c3efd21ca048391e502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeaf878c2bed146c713395a4a5f70b10bc2d6ed0bc679c3efd21ca048391e502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeaf878c2bed146c713395a4a5f70b10bc2d6ed0bc679c3efd21ca048391e502", kill_on_drop: false }`
[INFO] [stdout] aeaf878c2bed146c713395a4a5f70b10bc2d6ed0bc679c3efd21ca048391e502
[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] 2b19b43e44816948020a8211e780a622fecc8d77bd51148d270e0e543d78cc3b
[INFO] running `Command { std: "docker" "start" "-a" "2b19b43e44816948020a8211e780a622fecc8d77bd51148d270e0e543d78cc3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling struct-name v0.0.1
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking roaring v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking bufpool v0.2.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking signal-future v0.1.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking stochastic-queue v0.2.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling struct-name-macro v0.0.2
[INFO] [stderr]    Compiling tracing-test-macro v0.2.4
[INFO] [stderr]     Checking off64 v0.6.0
[INFO] [stderr]     Checking tracing-test v0.2.4
[INFO] [stderr]     Checking tinybuf v0.3.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking libblobd-kv v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.77s
[INFO] running `Command { std: "docker" "inspect" "2b19b43e44816948020a8211e780a622fecc8d77bd51148d270e0e543d78cc3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b19b43e44816948020a8211e780a622fecc8d77bd51148d270e0e543d78cc3b", kill_on_drop: false }`
[INFO] [stdout] 2b19b43e44816948020a8211e780a622fecc8d77bd51148d270e0e543d78cc3b
[INFO] checking libblobd-kv-0.7.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate libblobd-kv 0.7.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate libblobd-kv 0.7.2 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libblobd-kv 0.7.2
[INFO] finished tweaking crates.io crate libblobd-kv 0.7.2
[INFO] tweaked toml for crates.io crate libblobd-kv 0.7.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45cd3fe4b21f331d61ad6ae28c8a840758a3834c81341dadf46a3e26562c6c16
[INFO] running `Command { std: "docker" "start" "-a" "45cd3fe4b21f331d61ad6ae28c8a840758a3834c81341dadf46a3e26562c6c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45cd3fe4b21f331d61ad6ae28c8a840758a3834c81341dadf46a3e26562c6c16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cd3fe4b21f331d61ad6ae28c8a840758a3834c81341dadf46a3e26562c6c16", kill_on_drop: false }`
[INFO] [stdout] 45cd3fe4b21f331d61ad6ae28c8a840758a3834c81341dadf46a3e26562c6c16
[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" "-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6a170c81f1b78f494b09147611d60ef949f9028d511f3fa8c83d781212ebc2d
[INFO] running `Command { std: "docker" "start" "-a" "f6a170c81f1b78f494b09147611d60ef949f9028d511f3fa8c83d781212ebc2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling io-uring v0.6.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling struct-name v0.0.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking roaring v0.10.3
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking bufpool v0.2.4
[INFO] [stderr]     Checking signal-future v0.1.1
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking stochastic-queue v0.2.0
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling struct-name-macro v0.0.2
[INFO] [stderr]    Compiling tracing-test-macro v0.2.4
[INFO] [stderr]     Checking off64 v0.6.0
[INFO] [stderr]     Checking tracing-test v0.2.4
[INFO] [stderr]     Checking tinybuf v0.3.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking libblobd-kv v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.37s
[INFO] running `Command { std: "docker" "inspect" "f6a170c81f1b78f494b09147611d60ef949f9028d511f3fa8c83d781212ebc2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a170c81f1b78f494b09147611d60ef949f9028d511f3fa8c83d781212ebc2d", kill_on_drop: false }`
[INFO] [stdout] f6a170c81f1b78f494b09147611d60ef949f9028d511f3fa8c83d781212ebc2d