[INFO] fetching crate io-enum 1.0.0...
[INFO] checking io-enum-1.0.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate io-enum 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate io-enum 1.0.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-enum 1.0.0
[INFO] finished tweaking crates.io crate io-enum 1.0.0
[INFO] tweaked toml for crates.io crate io-enum 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] befe9387ec124275e81d01411d40d986f4f896c5fbd4cfb9021842d5d68f75df
[INFO] running `Command { std: "docker" "start" "-a" "befe9387ec124275e81d01411d40d986f4f896c5fbd4cfb9021842d5d68f75df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "befe9387ec124275e81d01411d40d986f4f896c5fbd4cfb9021842d5d68f75df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befe9387ec124275e81d01411d40d986f4f896c5fbd4cfb9021842d5d68f75df", kill_on_drop: false }`
[INFO] [stdout] befe9387ec124275e81d01411d40d986f4f896c5fbd4cfb9021842d5d68f75df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 9028047c781a13deace6ff2b5a0c9be5adb29b58bd88db1d44188d6c89d51e77
[INFO] running `Command { std: "docker" "start" "-a" "9028047c781a13deace6ff2b5a0c9be5adb29b58bd88db1d44188d6c89d51e77", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]    Compiling io-enum v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.94s
[INFO] running `Command { std: "docker" "inspect" "9028047c781a13deace6ff2b5a0c9be5adb29b58bd88db1d44188d6c89d51e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9028047c781a13deace6ff2b5a0c9be5adb29b58bd88db1d44188d6c89d51e77", kill_on_drop: false }`
[INFO] [stdout] 9028047c781a13deace6ff2b5a0c9be5adb29b58bd88db1d44188d6c89d51e77