[INFO] fetching crate matrix-sdk 0.6.0...
[INFO] checking matrix-sdk-0.6.0 against try#b3e4dd99bf69ba41bc9bd7c11d27ddea7cb00ca4 for pr-102737
[INFO] extracting crate matrix-sdk 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate matrix-sdk 0.6.0 on toolchain b3e4dd99bf69ba41bc9bd7c11d27ddea7cb00ca4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b3e4dd99bf69ba41bc9bd7c11d27ddea7cb00ca4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate matrix-sdk 0.6.0
[INFO] finished tweaking crates.io crate matrix-sdk 0.6.0
[INFO] tweaked toml for crates.io crate matrix-sdk 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b3e4dd99bf69ba41bc9bd7c11d27ddea7cb00ca4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b3e4dd99bf69ba41bc9bd7c11d27ddea7cb00ca4" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+b3e4dd99bf69ba41bc9bd7c11d27ddea7cb00ca4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6036a173fa05c3c82897e8c4fb07f49f40b4053c1cee03d46f6d5882ea012c99
[INFO] running `Command { std: "docker" "start" "-a" "6036a173fa05c3c82897e8c4fb07f49f40b4053c1cee03d46f6d5882ea012c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6036a173fa05c3c82897e8c4fb07f49f40b4053c1cee03d46f6d5882ea012c99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6036a173fa05c3c82897e8c4fb07f49f40b4053c1cee03d46f6d5882ea012c99", kill_on_drop: false }`
[INFO] [stdout] 6036a173fa05c3c82897e8c4fb07f49f40b4053c1cee03d46f6d5882ea012c99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+b3e4dd99bf69ba41bc9bd7c11d27ddea7cb00ca4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cde5a68fdc9fcc61d96c8627cab1dd136d4a85a0e26deb3d86e9b0d9dfdc8ae
[INFO] running `Command { std: "docker" "start" "-a" "2cde5a68fdc9fcc61d96c8627cab1dd136d4a85a0e26deb3d86e9b0d9dfdc8ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]     Checking futures-io v0.3.24
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking futures-sink v0.3.24
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking digest v0.10.5
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling js_int v0.2.2
[INFO] [stderr]     Checking block-padding v0.3.2
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking uuid v1.1.2
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking wildmatch v2.1.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking cipher v0.4.3
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]    Compiling openssl-sys v0.9.76
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking signature v1.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr]     Checking base64ct v1.5.2
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]    Compiling openssl v0.10.42
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking spki v0.5.4
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling matrix-sdk-common v0.6.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking pkcs7 v0.3.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking aes v0.8.1
[INFO] [stderr]     Checking hkdf v0.12.3
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling futures-macro v0.3.24
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling darling_macro v0.14.1
[INFO] [stderr]    Compiling prost-derive v0.11.0
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]     Checking dashmap v5.4.0
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking lru v0.8.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling matrix-sdk-sled v0.2.0
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking async-channel v1.7.1
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.145/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=64114eed75774c3a -C extra-filename=-64114eed75774c3a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-ce93c879907a70ed.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5fd1a070ee0a6aad.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-0fa3f53975af2c39.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2cde5a68fdc9fcc61d96c8627cab1dd136d4a85a0e26deb3d86e9b0d9dfdc8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cde5a68fdc9fcc61d96c8627cab1dd136d4a85a0e26deb3d86e9b0d9dfdc8ae", kill_on_drop: false }`
[INFO] [stdout] 2cde5a68fdc9fcc61d96c8627cab1dd136d4a85a0e26deb3d86e9b0d9dfdc8ae