[INFO] fetching crate ew 0.4.0...
[INFO] building ew-0.4.0 against try#8aaecdf5df68a6fbc126704e44d399ba2fe66bf2 for pr-94962
[INFO] extracting crate ew 0.4.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate ew 0.4.0 on toolchain 8aaecdf5df68a6fbc126704e44d399ba2fe66bf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ew 0.4.0
[INFO] finished tweaking crates.io crate ew 0.4.0
[INFO] tweaked toml for crates.io crate ew 0.4.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate ew 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad4db07e0ead45d937bb7a329dfc44556cb41699c77a26f186b9e8fc9c8a1fcf
[INFO] running `Command { std: "docker" "start" "-a" "ad4db07e0ead45d937bb7a329dfc44556cb41699c77a26f186b9e8fc9c8a1fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4db07e0ead45d937bb7a329dfc44556cb41699c77a26f186b9e8fc9c8a1fcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4db07e0ead45d937bb7a329dfc44556cb41699c77a26f186b9e8fc9c8a1fcf", kill_on_drop: false }`
[INFO] [stdout] ad4db07e0ead45d937bb7a329dfc44556cb41699c77a26f186b9e8fc9c8a1fcf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b276d575715789417cb260eea42ca71e462121aca088ea56224f34d7be5e1484
[INFO] running `Command { std: "docker" "start" "-a" "b276d575715789417cb260eea42ca71e462121aca088ea56224f34d7be5e1484", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling ew v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.49s
[INFO] running `Command { std: "docker" "inspect" "b276d575715789417cb260eea42ca71e462121aca088ea56224f34d7be5e1484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b276d575715789417cb260eea42ca71e462121aca088ea56224f34d7be5e1484", kill_on_drop: false }`
[INFO] [stdout] b276d575715789417cb260eea42ca71e462121aca088ea56224f34d7be5e1484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ff15c8106c42c4391a041e653da578beca71a1d3abb0f2c64d26df4b60bcba
[INFO] running `Command { std: "docker" "start" "-a" "20ff15c8106c42c4391a041e653da578beca71a1d3abb0f2c64d26df4b60bcba", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling ew-testfunc v0.1.0
[INFO] [stderr]    Compiling ew v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `ew`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name particleswarm_rastrigin_statistics_inertia --edition=2018 examples/particleswarm-rastrigin-statistics-inertia.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=3b85c7ac7cbbb00f -C extra-filename=-3b85c7ac7cbbb00f --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern ew=/opt/rustwide/target/debug/deps/libew-5d4ec3ac365efe19.rlib --extern ew_testfunc=/opt/rustwide/target/debug/deps/libew_testfunc-6827981f355b6692.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-f4a0f9966120524f.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b309ac036cd32b09.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-6639c8f934aa3ce5.rlib --cap-lints=forbid` (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" "20ff15c8106c42c4391a041e653da578beca71a1d3abb0f2c64d26df4b60bcba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ff15c8106c42c4391a041e653da578beca71a1d3abb0f2c64d26df4b60bcba", kill_on_drop: false }`
[INFO] [stdout] 20ff15c8106c42c4391a041e653da578beca71a1d3abb0f2c64d26df4b60bcba