[INFO] fetching crate symbolic-unreal 7.5.0...
[INFO] checking symbolic-unreal-7.5.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate symbolic-unreal 7.5.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate symbolic-unreal 7.5.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-unreal 7.5.0
[INFO] finished tweaking crates.io crate symbolic-unreal 7.5.0
[INFO] tweaked toml for crates.io crate symbolic-unreal 7.5.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcfdca1692a1ed070c47ab2a7e078c5d8fb3bc19e3bb7aac4d5e1c8ef1494c63
[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" "bcfdca1692a1ed070c47ab2a7e078c5d8fb3bc19e3bb7aac4d5e1c8ef1494c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcfdca1692a1ed070c47ab2a7e078c5d8fb3bc19e3bb7aac4d5e1c8ef1494c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfdca1692a1ed070c47ab2a7e078c5d8fb3bc19e3bb7aac4d5e1c8ef1494c63", kill_on_drop: false }`
[INFO] [stdout] bcfdca1692a1ed070c47ab2a7e078c5d8fb3bc19e3bb7aac4d5e1c8ef1494c63
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b700a85401c92443ca779486e96f8dd8cbfa26e677ea4adcf52a337a3fc96852
[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" "b700a85401c92443ca779486e96f8dd8cbfa26e677ea4adcf52a337a3fc96852", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking flate2 v1.0.18
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking console v0.10.3
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking anylog v0.5.0
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking symbolic-unreal v7.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v0.15.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.44s
[INFO] running `Command { std: "docker" "inspect" "b700a85401c92443ca779486e96f8dd8cbfa26e677ea4adcf52a337a3fc96852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b700a85401c92443ca779486e96f8dd8cbfa26e677ea4adcf52a337a3fc96852", kill_on_drop: false }`
[INFO] [stdout] b700a85401c92443ca779486e96f8dd8cbfa26e677ea4adcf52a337a3fc96852