[INFO] fetching crate descent_ipopt 0.5.0...
[INFO] checking descent_ipopt-0.5.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate descent_ipopt 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate descent_ipopt 0.5.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate descent_ipopt 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate descent_ipopt 0.5.0
[INFO] tweaked toml for crates.io crate descent_ipopt 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate descent_ipopt 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded descent_macro v0.5.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 3fd4a66b70daf7dba45c481b65b8441973af0fea16f8f91e1e151e16ff10d272
[INFO] running `Command { std: "docker" "start" "-a" "3fd4a66b70daf7dba45c481b65b8441973af0fea16f8f91e1e151e16ff10d272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fd4a66b70daf7dba45c481b65b8441973af0fea16f8f91e1e151e16ff10d272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd4a66b70daf7dba45c481b65b8441973af0fea16f8f91e1e151e16ff10d272", kill_on_drop: false }`
[INFO] [stdout] 3fd4a66b70daf7dba45c481b65b8441973af0fea16f8f91e1e151e16ff10d272
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--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] aa20c04b4f8692f20012e66970314cac36fa6c01a99b11bb51da5b17e5a46d1e
[INFO] running `Command { std: "docker" "start" "-a" "aa20c04b4f8692f20012e66970314cac36fa6c01a99b11bb51da5b17e5a46d1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling descent_macro v0.5.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking descent v0.5.0
[INFO] [stderr]     Checking descent_ipopt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.44s
[INFO] running `Command { std: "docker" "inspect" "aa20c04b4f8692f20012e66970314cac36fa6c01a99b11bb51da5b17e5a46d1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa20c04b4f8692f20012e66970314cac36fa6c01a99b11bb51da5b17e5a46d1e", kill_on_drop: false }`
[INFO] [stdout] aa20c04b4f8692f20012e66970314cac36fa6c01a99b11bb51da5b17e5a46d1e