[INFO] fetching crate arcon_build 0.2.0...
[INFO] checking arcon_build-0.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate arcon_build 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate arcon_build 0.2.0 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 arcon_build 0.2.0
[INFO] finished tweaking crates.io crate arcon_build 0.2.0
[INFO] tweaked toml for crates.io crate arcon_build 0.2.0 written to /workspace/builds/worker-2/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 6884afa3c58279e4b4b9db945c28ae40b6b969d0d1dad471b12dffff0dfc844a
[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" "6884afa3c58279e4b4b9db945c28ae40b6b969d0d1dad471b12dffff0dfc844a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6884afa3c58279e4b4b9db945c28ae40b6b969d0d1dad471b12dffff0dfc844a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6884afa3c58279e4b4b9db945c28ae40b6b969d0d1dad471b12dffff0dfc844a", kill_on_drop: false }`
[INFO] [stdout] 6884afa3c58279e4b4b9db945c28ae40b6b969d0d1dad471b12dffff0dfc844a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] e69643e1014804880b050fdcfb721f9d0bd5d9183e7a6529fade029a3a90facb
[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" "e69643e1014804880b050fdcfb721f9d0bd5d9183e7a6529fade029a3a90facb", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking prost-types v0.6.1
[INFO] [stderr]     Checking arcon_build v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.70s
[INFO] running `Command { std: "docker" "inspect" "e69643e1014804880b050fdcfb721f9d0bd5d9183e7a6529fade029a3a90facb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69643e1014804880b050fdcfb721f9d0bd5d9183e7a6529fade029a3a90facb", kill_on_drop: false }`
[INFO] [stdout] e69643e1014804880b050fdcfb721f9d0bd5d9183e7a6529fade029a3a90facb