[INFO] fetching crate ief 0.0.2...
[INFO] checking ief-0.0.2 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate ief 0.0.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ief 0.0.2 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ief 0.0.2
[INFO] finished tweaking crates.io crate ief 0.0.2
[INFO] tweaked toml for crates.io crate ief 0.0.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ief 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e0fc29ab7c56d53f7688bcbeaf90b049ed1b1badf7f01d513005118fbff0f11
[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" "4e0fc29ab7c56d53f7688bcbeaf90b049ed1b1badf7f01d513005118fbff0f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e0fc29ab7c56d53f7688bcbeaf90b049ed1b1badf7f01d513005118fbff0f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e0fc29ab7c56d53f7688bcbeaf90b049ed1b1badf7f01d513005118fbff0f11", kill_on_drop: false }`
[INFO] [stdout] 4e0fc29ab7c56d53f7688bcbeaf90b049ed1b1badf7f01d513005118fbff0f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54f9d72915a0cde2fcf8e038ca76c99d79cba44639c2d12f354d634601bf777d
[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" "54f9d72915a0cde2fcf8e038ca76c99d79cba44639c2d12f354d634601bf777d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling cpp_demangle v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking goblin v0.2.0
[INFO] [stderr]     Checking ief v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.23s
[INFO] running `Command { std: "docker" "inspect" "54f9d72915a0cde2fcf8e038ca76c99d79cba44639c2d12f354d634601bf777d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f9d72915a0cde2fcf8e038ca76c99d79cba44639c2d12f354d634601bf777d", kill_on_drop: false }`
[INFO] [stdout] 54f9d72915a0cde2fcf8e038ca76c99d79cba44639c2d12f354d634601bf777d