[INFO] crate optimization_engine 0.6.2 is already in cache
[INFO] checking optimization_engine-0.6.2 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate optimization_engine 0.6.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate optimization_engine 0.6.2 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate optimization_engine 0.6.2
[INFO] finished tweaking crates.io crate optimization_engine 0.6.2
[INFO] tweaked toml for crates.io crate optimization_engine 0.6.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate optimization_engine 0.6.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51902d2bc6ea7bf0946d8696d0c4f13df852ada7e0204e1b5e37548ae48213ef
[INFO] running `"docker" "start" "-a" "51902d2bc6ea7bf0946d8696d0c4f13df852ada7e0204e1b5e37548ae48213ef"`
[INFO] [stderr]    Compiling bindgen v0.49.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libloading v0.5.1
[INFO] [stderr]    Compiling clang-sys v0.28.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking unit_test_utils v0.1.3
[INFO] [stderr]     Checking optimization_engine v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.1.6
[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 17s
[INFO] running `"docker" "inspect" "51902d2bc6ea7bf0946d8696d0c4f13df852ada7e0204e1b5e37548ae48213ef"`
[INFO] running `"docker" "rm" "-f" "51902d2bc6ea7bf0946d8696d0c4f13df852ada7e0204e1b5e37548ae48213ef"`
[INFO] [stdout] 51902d2bc6ea7bf0946d8696d0c4f13df852ada7e0204e1b5e37548ae48213ef