[INFO] fetching crate matrix-sdk 0.4.1...
[INFO] checking matrix-sdk-0.4.1 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate matrix-sdk 0.4.1 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate matrix-sdk 0.4.1 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix-sdk 0.4.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate matrix-sdk 0.4.1
[INFO] tweaked toml for crates.io crate matrix-sdk 0.4.1 written to /workspace/builds/worker-43/source/Cargo.toml
[INFO] crate crates.io crate matrix-sdk 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize_derive v1.1.0
[INFO] [stderr]   Downloaded ed25519 v1.2.0
[INFO] [stderr]   Downloaded chacha20poly1305 v0.9.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.66
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded chacha20 v0.8.1
[INFO] [stderr]   Downloaded poly1305 v0.7.2
[INFO] [stderr]   Downloaded signature v1.3.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.27
[INFO] [stderr]   Downloaded atomic v0.5.0
[INFO] [stderr]   Downloaded tokio-socks v0.5.1
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.1
[INFO] [stderr]   Downloaded backoff v0.3.0
[INFO] [stderr]   Downloaded synstructure v0.12.5
[INFO] [stderr]   Downloaded pkcs8 v0.7.5
[INFO] [stderr]   Downloaded spki v0.4.0
[INFO] [stderr]   Downloaded ruma-signatures v0.9.0
[INFO] [stderr]   Downloaded ruma-appservice-api v0.4.0
[INFO] [stderr]   Downloaded ruma-events v0.24.5
[INFO] [stderr]   Downloaded ruma-api v0.18.3
[INFO] [stderr]   Downloaded ruma-client-api v0.12.2
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.0
[INFO] [stderr]   Downloaded der v0.4.1
[INFO] [stderr]   Downloaded const-oid v0.6.0
[INFO] [stderr]   Downloaded zeroize v1.4.1
[INFO] [stderr]   Downloaded ruma-events-macros v0.24.5
[INFO] [stderr]   Downloaded olm-rs v2.0.1
[INFO] [stderr]   Downloaded ruma-api-macros v0.18.3
[INFO] [stderr]   Downloaded olm-sys v1.1.2
[INFO] [stderr]   Downloaded matrix-sdk-base v0.4.1
[INFO] [stderr]   Downloaded matrix-sdk-crypto v0.4.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dd8d776bdbaaf4f4c9064d2bee21040fd7e30fb6b1eb1850ca1402da8c5225e
[INFO] running `Command { std: "docker" "start" "-a" "3dd8d776bdbaaf4f4c9064d2bee21040fd7e30fb6b1eb1850ca1402da8c5225e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dd8d776bdbaaf4f4c9064d2bee21040fd7e30fb6b1eb1850ca1402da8c5225e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dd8d776bdbaaf4f4c9064d2bee21040fd7e30fb6b1eb1850ca1402da8c5225e", kill_on_drop: false }`
[INFO] [stdout] 3dd8d776bdbaaf4f4c9064d2bee21040fd7e30fb6b1eb1850ca1402da8c5225e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9c407ed1f3033c54bb6838d6f23f6d2cc948ec0c5423a0bdb1005d7f3caa07b
[INFO] running `Command { std: "docker" "start" "-a" "e9c407ed1f3033c54bb6838d6f23f6d2cc948ec0c5423a0bdb1005d7f3caa07b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.77
[INFO] [stderr]     Checking wildmatch v2.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking const-oid v0.6.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling g2poly v0.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.77
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking checked_int_cast v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]    Compiling matrix-sdk-test-macros v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking tracing-core v0.1.20
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.11.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking tinyvec v1.4.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking anyhow v1.0.44
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking der v0.4.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr] error: could not compile `sharded-slab`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sharded_slab --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sharded-slab-0.1.3/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=576e913d3b0d2031 -C extra-filename=-576e913d3b0d2031 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3ab14ef94a1f89cf.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e9c407ed1f3033c54bb6838d6f23f6d2cc948ec0c5423a0bdb1005d7f3caa07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c407ed1f3033c54bb6838d6f23f6d2cc948ec0c5423a0bdb1005d7f3caa07b", kill_on_drop: false }`
[INFO] [stdout] e9c407ed1f3033c54bb6838d6f23f6d2cc948ec0c5423a0bdb1005d7f3caa07b