[INFO] fetching crate mpc-websocket 0.3.5...
[INFO] testing mpc-websocket-0.3.5 against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] extracting crate mpc-websocket 0.3.5 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate mpc-websocket 0.3.5 on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-40/source/rust-toolchain
[INFO] started tweaking crates.io crate mpc-websocket 0.3.5
[INFO] finished tweaking crates.io crate mpc-websocket 0.3.5
[INFO] tweaked toml for crates.io crate mpc-websocket 0.3.5 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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 multipart v0.18.0
[INFO] [stderr]   Downloaded json-rpc2 v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 790f235d1711695ded9e81b20ad4e4e0f51410ac41c2b058c63ed60383c68b95
[INFO] running `Command { std: "docker" "start" "-a" "790f235d1711695ded9e81b20ad4e4e0f51410ac41c2b058c63ed60383c68b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "790f235d1711695ded9e81b20ad4e4e0f51410ac41c2b058c63ed60383c68b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790f235d1711695ded9e81b20ad4e4e0f51410ac41c2b058c63ed60383c68b95", kill_on_drop: false }`
[INFO] [stdout] 790f235d1711695ded9e81b20ad4e4e0f51410ac41c2b058c63ed60383c68b95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1262a6c9241f6ddc2d928780e818bdb6c1cb159a8550da9b06d7e2cad6554f0
[INFO] running `Command { std: "docker" "start" "-a" "a1262a6c9241f6ddc2d928780e818bdb6c1cb159a8550da9b06d7e2cad6554f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling once_cell v1.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling serde_json v1.0.80
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.26
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling http v0.2.7
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling multipart v0.18.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling headers v0.3.7
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[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-1.0.136/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=dee0df74c39ece2b -C extra-filename=-dee0df74c39ece2b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-16f4d56d78074154.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-faec848a47c42982.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-d2615c51bc5c1736.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts --cfg ptr_addr_of` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a1262a6c9241f6ddc2d928780e818bdb6c1cb159a8550da9b06d7e2cad6554f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1262a6c9241f6ddc2d928780e818bdb6c1cb159a8550da9b06d7e2cad6554f0", kill_on_drop: false }`
[INFO] [stdout] a1262a6c9241f6ddc2d928780e818bdb6c1cb159a8550da9b06d7e2cad6554f0