[INFO] cloning repository https://github.com/lenscas/card_game_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lenscas/card_game_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fcard_game_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fcard_game_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10173cbb5bc20f82ee3f193dd41d8d4622c56652
[INFO] testing lenscas/card_game_client against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flenscas%2Fcard_game_client" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lenscas/card_game_client on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lenscas/card_game_client
[INFO] finished tweaking git repo https://github.com/lenscas/card_game_client
[INFO] tweaked toml for git repo https://github.com/lenscas/card_game_client written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/lenscas/card_game_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/lenscas/card_game_shared.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b10aedf5d3ad31402ab38ab4e81c3371f26f5c89cb54ee3349414b6e6df667bb
[INFO] running `Command { std: "docker" "start" "-a" "b10aedf5d3ad31402ab38ab4e81c3371f26f5c89cb54ee3349414b6e6df667bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b10aedf5d3ad31402ab38ab4e81c3371f26f5c89cb54ee3349414b6e6df667bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10aedf5d3ad31402ab38ab4e81c3371f26f5c89cb54ee3349414b6e6df667bb", kill_on_drop: false }`
[INFO] [stdout] b10aedf5d3ad31402ab38ab4e81c3371f26f5c89cb54ee3349414b6e6df667bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf1d23e960b2916a80d41fb6560b94c990a1a91ab29c84a62ada38b6115dd70d
[INFO] running `Command { std: "docker" "start" "-a" "cf1d23e960b2916a80d41fb6560b94c990a1a91ab29c84a62ada38b6115dd70d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.3.3
[INFO] [stderr]    Compiling vec-arena v0.5.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling RustyXML v0.1.1
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling infer v0.1.7
[INFO] [stderr]    Compiling isahc v0.9.8
[INFO] [stderr]    Compiling isahc v0.8.2
[INFO] [stderr]    Compiling bytemuck v1.3.1
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling mint v0.5.5
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling omnom v2.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling futf v0.1.4
[INFO] [stderr]    Compiling async-mutex v1.1.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.9.15/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=5256d0e59a793bf6 -C extra-filename=-5256d0e59a793bf6 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "cf1d23e960b2916a80d41fb6560b94c990a1a91ab29c84a62ada38b6115dd70d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf1d23e960b2916a80d41fb6560b94c990a1a91ab29c84a62ada38b6115dd70d", kill_on_drop: false }`
[INFO] [stdout] cf1d23e960b2916a80d41fb6560b94c990a1a91ab29c84a62ada38b6115dd70d