[INFO] fetching crate fuzzr 0.0.3...
[INFO] testing fuzzr-0.0.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fuzzr 0.0.3 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate fuzzr 0.0.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-32/source/.cargo/config.toml
[INFO] started tweaking crates.io crate fuzzr 0.0.3
[INFO] finished tweaking crates.io crate fuzzr 0.0.3
[INFO] tweaked toml for crates.io crate fuzzr 0.0.3 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate crates.io crate fuzzr 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4b91d5b4097b2b3a93beb701d231386f3612c982b1c1dd45ea864520c282bba
[INFO] running `Command { std: "docker" "start" "-a" "d4b91d5b4097b2b3a93beb701d231386f3612c982b1c1dd45ea864520c282bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4b91d5b4097b2b3a93beb701d231386f3612c982b1c1dd45ea864520c282bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b91d5b4097b2b3a93beb701d231386f3612c982b1c1dd45ea864520c282bba", kill_on_drop: false }`
[INFO] [stdout] d4b91d5b4097b2b3a93beb701d231386f3612c982b1c1dd45ea864520c282bba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 995b636c3e20ea261bc95acec8eab9c4f63942400547bced40ea35a2af0d8230
[INFO] running `Command { std: "docker" "start" "-a" "995b636c3e20ea261bc95acec8eab9c4f63942400547bced40ea35a2af0d8230", kill_on_drop: false }`
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[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling wgpu-types v0.6.1
[INFO] [stderr] error: could not compile `futures-timer`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_timer --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-timer-3.0.2/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 -C metadata=f8d0397cf3081a27 -C extra-filename=-f8d0397cf3081a27 --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" "995b636c3e20ea261bc95acec8eab9c4f63942400547bced40ea35a2af0d8230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "995b636c3e20ea261bc95acec8eab9c4f63942400547bced40ea35a2af0d8230", kill_on_drop: false }`
[INFO] [stdout] 995b636c3e20ea261bc95acec8eab9c4f63942400547bced40ea35a2af0d8230