[INFO] fetching crate optimization_engine 0.7.0...
[INFO] checking optimization_engine-0.7.0 against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] extracting crate optimization_engine 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate optimization_engine 0.7.0 on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optimization_engine 0.7.0
[INFO] finished tweaking crates.io crate optimization_engine 0.7.0
[INFO] tweaked toml for crates.io crate optimization_engine 0.7.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate optimization_engine 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bindgen v0.49.2
[INFO] [stderr]   Downloaded clang-sys v0.28.0
[INFO] [stderr]   Downloaded icasadi_test v0.0.2
[INFO] [stderr]   Downloaded lbfgs v0.2.1
[INFO] [stderr]   Downloaded unit_test_utils v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d833b95f605b1412c64b0369022f154161b097189b3baf7f028df37538b5b2b4
[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" "d833b95f605b1412c64b0369022f154161b097189b3baf7f028df37538b5b2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d833b95f605b1412c64b0369022f154161b097189b3baf7f028df37538b5b2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d833b95f605b1412c64b0369022f154161b097189b3baf7f028df37538b5b2b4", kill_on_drop: false }`
[INFO] [stdout] d833b95f605b1412c64b0369022f154161b097189b3baf7f028df37538b5b2b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8e3dabfb6a2ce6eaa9db65625bb7a298ea166e69572ee0154492833a6faabcc
[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" "f8e3dabfb6a2ce6eaa9db65625bb7a298ea166e69572ee0154492833a6faabcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking unit_test_utils v0.1.3
[INFO] [stderr]     Checking optimization_engine v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling icasadi_test v0.0.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "f8e3dabfb6a2ce6eaa9db65625bb7a298ea166e69572ee0154492833a6faabcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e3dabfb6a2ce6eaa9db65625bb7a298ea166e69572ee0154492833a6faabcc", kill_on_drop: false }`
[INFO] [stdout] f8e3dabfb6a2ce6eaa9db65625bb7a298ea166e69572ee0154492833a6faabcc