[INFO] fetching crate matrix-sdk-base 0.4.1...
[INFO] building matrix-sdk-base-0.4.1 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] extracting crate matrix-sdk-base 0.4.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate matrix-sdk-base 0.4.1 on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-26/source/.cargo/config
[INFO] started tweaking crates.io crate matrix-sdk-base 0.4.1
[INFO] finished tweaking crates.io crate matrix-sdk-base 0.4.1
[INFO] tweaked toml for crates.io crate matrix-sdk-base 0.4.1 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate matrix-sdk-base 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "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 endian-type v0.1.2
[INFO] [stderr] Downloaded flate2 v1.0.21
[INFO] [stderr] Downloaded error-code v2.3.0
[INFO] [stderr] Downloaded str-buf v1.0.5
[INFO] [stderr] Downloaded nix v0.22.1
[INFO] [stderr] Downloaded clipboard-win v4.2.1
[INFO] [stderr] Downloaded nibble_vec v0.1.0
[INFO] [stderr] Downloaded radix_trie v0.2.1
[INFO] [stderr] Downloaded rustyline v9.0.0
[INFO] [stderr] Downloaded fd-lock v3.0.0
[INFO] [stderr] Downloaded console_error_panic_hook v0.1.6
[INFO] [stderr] Downloaded wasm-bindgen-test v0.3.27
[INFO] [stderr] Downloaded rustyline-derive v0.5.0
[INFO] [stderr] Downloaded utf8parse v0.2.0
[INFO] [stderr] Downloaded wasm-bindgen-test-macro v0.3.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94856be06891eed9332feb781b4567aeb12ee8601cf6280debc7a911a28232dd
[INFO] running `Command { std: "docker" "start" "-a" "94856be06891eed9332feb781b4567aeb12ee8601cf6280debc7a911a28232dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94856be06891eed9332feb781b4567aeb12ee8601cf6280debc7a911a28232dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94856be06891eed9332feb781b4567aeb12ee8601cf6280debc7a911a28232dd", kill_on_drop: false }`
[INFO] [stdout] 94856be06891eed9332feb781b4567aeb12ee8601cf6280debc7a911a28232dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f84297c03f1640dfe50031fb62364b20b6a11d8f4bdb658a9c5e56d55787b8bf
[INFO] running `Command { std: "docker" "start" "-a" "f84297c03f1640dfe50031fb62364b20b6a11d8f4bdb658a9c5e56d55787b8bf", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling proc-macro2 v1.0.29
[INFO] [stderr] Compiling syn v1.0.76
[INFO] [stderr] Compiling serde_derive v1.0.130
[INFO] [stderr] Compiling version_check v0.9.3
[INFO] [stderr] Compiling serde v1.0.130
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling libc v0.2.101
[INFO] [stderr] Compiling cfg-if v1.0.0
[INFO] [stderr] Compiling serde_json v1.0.67
[INFO] [stderr] Compiling pin-project-lite v0.2.7
[INFO] [stderr] Compiling once_cell v1.8.0
[INFO] [stderr] Compiling proc-macro-hack v0.5.19
[INFO] [stderr] Compiling ruma-identifiers-validation v0.5.0
[INFO] [stderr] Compiling lazy_static v1.4.0
[INFO] [stderr] Compiling wildmatch v2.1.0
[INFO] [stderr] Compiling unindent v0.1.7
[INFO] [stderr] Compiling futures-core v0.3.17
[INFO] [stderr] Compiling fnv v1.0.7
[INFO] [stderr] Compiling proc-macro-nested v0.1.7
[INFO] [stderr] Compiling const_fn v0.4.8
[INFO] [stderr] Compiling futures-task v0.3.17
[INFO] [stderr] Compiling futures-channel v0.3.17
[INFO] [stderr] Compiling futures-sink v0.3.17
[INFO] [stderr] Compiling futures-io v0.3.17
[INFO] [stderr] Compiling slab v0.4.4
[INFO] [stderr] Compiling assign v1.1.1
[INFO] [stderr] Compiling async-trait v0.1.51
[INFO] [stderr] Compiling itertools v0.10.1
[INFO] [stderr] Compiling http v0.2.4
[INFO] [stderr] Compiling tracing-core v0.1.20
[INFO] [stderr] Compiling indoc v1.0.3
[INFO] [stderr] Compiling indexmap v1.7.0
[INFO] [stderr] Compiling futures-macro v0.3.17
[INFO] [stderr] Compiling futures-util v0.3.17
[INFO] [stderr] Compiling tokio v1.11.0
[INFO] [stderr] Compiling ahash v0.7.4
[INFO] [stderr] Compiling standback v0.2.17
[INFO] [stderr] Compiling time v0.2.27
[INFO] [stderr] Compiling quote v1.0.9
[INFO] [stderr] Compiling getrandom v0.2.3
[INFO] [stderr] Compiling num_cpus v1.13.0
[INFO] [stderr] Compiling dashmap v4.0.2
[INFO] [stderr] Compiling hashbrown v0.11.2
[INFO] [stderr] Compiling lru v0.6.6
[INFO] [stderr] Compiling synstructure v0.12.5
[INFO] [stderr] Compiling thiserror-impl v1.0.29
[INFO] [stderr] Compiling ruma-identifiers-macros v0.20.0
[INFO] [stderr] Compiling tracing-attributes v0.1.15
[INFO] [stderr] Compiling time-macros-impl v0.1.2
[INFO] [stderr] Compiling tokio-macros v1.3.0
[INFO] [stderr] Compiling zeroize_derive v1.1.0
[INFO] [stderr] Compiling time-macros v0.1.1
[INFO] [stderr] Compiling zeroize v1.4.1
[INFO] [stderr] Compiling instant v0.1.10
[INFO] [stderr] Compiling tracing v0.1.26
[INFO] [stderr] Compiling thiserror v1.0.29
[INFO] [stderr] Compiling futures-executor v0.3.17
[INFO] [stderr] Compiling futures v0.3.17
[INFO] [stderr] Compiling toml v0.5.8
[INFO] [stderr] Compiling js_int v0.2.1
[INFO] [stderr] Compiling uuid v0.8.2
[INFO] [stderr] Compiling proc-macro-crate v1.0.0
[INFO] [stderr] Compiling ruma-serde-macros v0.5.0
[INFO] [stderr] Compiling ruma-events-macros v0.24.5
[INFO] [stderr] Compiling ruma-api-macros v0.18.3
[INFO] [stderr] Compiling ruma-serde v0.5.0
[INFO] [stderr] Compiling ruma-identifiers v0.20.0
[INFO] [stderr] Compiling ruma-common v0.6.0
[INFO] [stderr] Compiling ruma-api v0.18.3
[INFO] [stderr] Compiling ruma-events v0.24.5
[INFO] [stderr] Compiling ruma-state-res v0.4.1
[INFO] [stderr] Compiling ruma-client-api v0.12.2
[INFO] [stderr] Compiling ruma-federation-api v0.3.1
[INFO] [stderr] Compiling ruma v0.4.0
[INFO] [stderr] Compiling matrix-sdk-common v0.4.1
[INFO] [stderr] Compiling matrix-sdk-base v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `store_path`
[INFO] [stdout] --> src/client.rs:90:5
[INFO] [stdout] |
[INFO] [stdout] 90 | store_path: Arc