[INFO] fetching crate peroxide 0.28.1...
[INFO] testing peroxide-0.28.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate peroxide 0.28.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate peroxide 0.28.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peroxide 0.28.1
[INFO] finished tweaking crates.io crate peroxide 0.28.1
[INFO] tweaked toml for crates.io crate peroxide 0.28.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate peroxide 0.28.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13db39efc3cefa1534c6a80443cfc442712b3e484b2694542b968598bbc9acc2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13db39efc3cefa1534c6a80443cfc442712b3e484b2694542b968598bbc9acc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13db39efc3cefa1534c6a80443cfc442712b3e484b2694542b968598bbc9acc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13db39efc3cefa1534c6a80443cfc442712b3e484b2694542b968598bbc9acc2", kill_on_drop: false }`
[INFO] [stdout] 13db39efc3cefa1534c6a80443cfc442712b3e484b2694542b968598bbc9acc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec4d7d8949dd6b9ab2cb5836ca61d360dc5767632895f31f426523e759c3e425
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec4d7d8949dd6b9ab2cb5836ca61d360dc5767632895f31f426523e759c3e425", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling peroxide v0.28.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling peroxide-ad v0.1.4
[INFO] [stderr]    Compiling puruspe v0.1.4
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.37s
[INFO] running `Command { std: "docker" "inspect" "ec4d7d8949dd6b9ab2cb5836ca61d360dc5767632895f31f426523e759c3e425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4d7d8949dd6b9ab2cb5836ca61d360dc5767632895f31f426523e759c3e425", kill_on_drop: false }`
[INFO] [stdout] ec4d7d8949dd6b9ab2cb5836ca61d360dc5767632895f31f426523e759c3e425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab1babde8f9e976e47554dc3f78856ff04894e03923e8f692f8a18d53f2bd80f
[INFO] running `Command { std: "docker" "start" "-a" "ab1babde8f9e976e47554dc3f78856ff04894e03923e8f692f8a18d53f2bd80f", kill_on_drop: false }`
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling peroxide v0.28.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `peroxide`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ode_env --edition=2018 examples/ode_env.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=59dad58b41cf2b1d -C extra-filename=-59dad58b41cf2b1d --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern csv=/opt/rustwide/target/debug/deps/libcsv-a647230694c2186c.rlib --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-1a13a0ebe3427ff4.rlib --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-716ec1f1b0dbb5e2.rlib --extern json=/opt/rustwide/target/debug/deps/libjson-6da6c759d90ab09c.rlib --extern matrixmultiply=/opt/rustwide/target/debug/deps/libmatrixmultiply-30d4d20b5fda7456.rlib --extern order_stat=/opt/rustwide/target/debug/deps/liborder_stat-fb5c04dc831fb844.rlib --extern peroxide=/opt/rustwide/target/debug/deps/libperoxide-40ebd92601a2b837.rlib --extern peroxide_ad=/opt/rustwide/target/debug/deps/libperoxide_ad-3850c827b5e88421.so --extern puruspe=/opt/rustwide/target/debug/deps/libpuruspe-3859fb29016e4361.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-ba07024eb538fd6c.rlib --extern rand_distr=/opt/rustwide/target/debug/deps/librand_distr-dbe01a7844410b7d.rlib --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" "ab1babde8f9e976e47554dc3f78856ff04894e03923e8f692f8a18d53f2bd80f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab1babde8f9e976e47554dc3f78856ff04894e03923e8f692f8a18d53f2bd80f", kill_on_drop: false }`
[INFO] [stdout] ab1babde8f9e976e47554dc3f78856ff04894e03923e8f692f8a18d53f2bd80f