[INFO] fetching crate descent_ipopt 0.4.0...
[INFO] checking descent_ipopt-0.4.0 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate descent_ipopt 0.4.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate descent_ipopt 0.4.0 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate descent_ipopt 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate descent_ipopt 0.4.0
[INFO] tweaked toml for crates.io crate descent_ipopt 0.4.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate descent_ipopt 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", 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] 9aaecceff0a50aedd6bf860c007526c7bbc58d43c83047d5335e981cb162cfc3
[INFO] running `Command { std: "docker" "start" "-a" "9aaecceff0a50aedd6bf860c007526c7bbc58d43c83047d5335e981cb162cfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aaecceff0a50aedd6bf860c007526c7bbc58d43c83047d5335e981cb162cfc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aaecceff0a50aedd6bf860c007526c7bbc58d43c83047d5335e981cb162cfc3", kill_on_drop: false }`
[INFO] [stdout] 9aaecceff0a50aedd6bf860c007526c7bbc58d43c83047d5335e981cb162cfc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88908deb3bb819b3e04f3399a625c434be2406133a30fc7bf6bcd1084d79d28f
[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" "88908deb3bb819b3e04f3399a625c434be2406133a30fc7bf6bcd1084d79d28f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.27
[INFO] [stderr]    Compiling descent_macro v0.4.0
[INFO] [stderr]    Compiling snafu-derive v0.6.8
[INFO] [stderr]     Checking snafu v0.6.8
[INFO] [stderr]     Checking descent v0.4.0
[INFO] [stderr]     Checking descent_ipopt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.91s
[INFO] running `Command { std: "docker" "inspect" "88908deb3bb819b3e04f3399a625c434be2406133a30fc7bf6bcd1084d79d28f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88908deb3bb819b3e04f3399a625c434be2406133a30fc7bf6bcd1084d79d28f", kill_on_drop: false }`
[INFO] [stdout] 88908deb3bb819b3e04f3399a625c434be2406133a30fc7bf6bcd1084d79d28f