[INFO] cloning repository https://github.com/TyOverby/wasm-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TyOverby/wasm-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyOverby%2Fwasm-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyOverby%2Fwasm-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b69c524578df918345df161142c1eceff9fc492
[INFO] testing TyOverby/wasm-playground against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyOverby%2Fwasm-playground" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TyOverby/wasm-playground on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TyOverby/wasm-playground
[INFO] finished tweaking git repo https://github.com/TyOverby/wasm-playground
[INFO] tweaked toml for git repo https://github.com/TyOverby/wasm-playground written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TyOverby/wasm-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wabt v0.3.0
[INFO] [stderr]   Downloaded wasmi v0.2.0
[INFO] [stderr]   Downloaded wabt-sys v0.1.4
[INFO] [stderr]   Downloaded parity-wasm v0.31.0
[INFO] [stderr]   Downloaded parity-wasm v0.27.6
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fa69b06dcdd547316470b29b5af0c01365214ae1b612aba4767f73c8c1d3117
[INFO] running `Command { std: "docker" "start" "-a" "3fa69b06dcdd547316470b29b5af0c01365214ae1b612aba4767f73c8c1d3117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fa69b06dcdd547316470b29b5af0c01365214ae1b612aba4767f73c8c1d3117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fa69b06dcdd547316470b29b5af0c01365214ae1b612aba4767f73c8c1d3117", kill_on_drop: false }`
[INFO] [stdout] 3fa69b06dcdd547316470b29b5af0c01365214ae1b612aba4767f73c8c1d3117
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6392d8e9646d12ef50592b7bcb171e829ad965997265e022d5087199e9017c74
[INFO] running `Command { std: "docker" "start" "-a" "6392d8e9646d12ef50592b7bcb171e829ad965997265e022d5087199e9017c74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling smallvec v0.6.2
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling memory_units v0.3.0
[INFO] [stderr]    Compiling nan-preserving-float v0.1.0
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling parity-wasm v0.31.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling cmake v0.1.31
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling wabt-sys v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling parity-wasm v0.27.6
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling wasmi v0.2.0
[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-1.0.66/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=4f0c8609391f188c -C extra-filename=-4f0c8609391f188c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn --cfg de_boxed_c_str --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg num_nonzero` (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" "6392d8e9646d12ef50592b7bcb171e829ad965997265e022d5087199e9017c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6392d8e9646d12ef50592b7bcb171e829ad965997265e022d5087199e9017c74", kill_on_drop: false }`
[INFO] [stdout] 6392d8e9646d12ef50592b7bcb171e829ad965997265e022d5087199e9017c74
