[INFO] fetching crate symbolic-unreal 8.0.0...
[INFO] checking symbolic-unreal-8.0.0 against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] extracting crate symbolic-unreal 8.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate symbolic-unreal 8.0.0 on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-unreal 8.0.0
[INFO] finished tweaking crates.io crate symbolic-unreal 8.0.0
[INFO] tweaked toml for crates.io crate symbolic-unreal 8.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anylog v0.5.0
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] [stderr]   Downloaded elementtree v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9456641179c12434922b0a4854a03a4dd184f033b4b8fbaa46126385b0f638b
[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" "e9456641179c12434922b0a4854a03a4dd184f033b4b8fbaa46126385b0f638b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9456641179c12434922b0a4854a03a4dd184f033b4b8fbaa46126385b0f638b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9456641179c12434922b0a4854a03a4dd184f033b4b8fbaa46126385b0f638b", kill_on_drop: false }`
[INFO] [stdout] e9456641179c12434922b0a4854a03a4dd184f033b4b8fbaa46126385b0f638b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a582844426bf90842422c6ef569f720e4fa6182f13cc1253f89a2e5932d3daa8
[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" "a582844426bf90842422c6ef569f720e4fa6182f13cc1253f89a2e5932d3daa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking console v0.14.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking anylog v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking symbolic-unreal v8.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v1.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.49s
[INFO] running `Command { std: "docker" "inspect" "a582844426bf90842422c6ef569f720e4fa6182f13cc1253f89a2e5932d3daa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a582844426bf90842422c6ef569f720e4fa6182f13cc1253f89a2e5932d3daa8", kill_on_drop: false }`
[INFO] [stdout] a582844426bf90842422c6ef569f720e4fa6182f13cc1253f89a2e5932d3daa8