[INFO] fetching crate symbolic-unreal 7.4.0...
[INFO] checking symbolic-unreal-7.4.0 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate symbolic-unreal 7.4.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate symbolic-unreal 7.4.0 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-unreal 7.4.0
[INFO] finished tweaking crates.io crate symbolic-unreal 7.4.0
[INFO] tweaked toml for crates.io crate symbolic-unreal 7.4.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5063f5b1fbeadf9541a4aa596256947de5ab2a59c58a4ca68a6512ce43a17956
[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" "5063f5b1fbeadf9541a4aa596256947de5ab2a59c58a4ca68a6512ce43a17956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5063f5b1fbeadf9541a4aa596256947de5ab2a59c58a4ca68a6512ce43a17956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5063f5b1fbeadf9541a4aa596256947de5ab2a59c58a4ca68a6512ce43a17956", kill_on_drop: false }`
[INFO] [stdout] 5063f5b1fbeadf9541a4aa596256947de5ab2a59c58a4ca68a6512ce43a17956
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19f633d899f44e9d6c0f76f2aec781272d86e737a10fe67fbe12c0e6ce33bf8a
[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" "19f633d899f44e9d6c0f76f2aec781272d86e737a10fe67fbe12c0e6ce33bf8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking console v0.10.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking anylog v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking symbolic-unreal v7.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v0.15.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.18s
[INFO] running `Command { std: "docker" "inspect" "19f633d899f44e9d6c0f76f2aec781272d86e737a10fe67fbe12c0e6ce33bf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19f633d899f44e9d6c0f76f2aec781272d86e737a10fe67fbe12c0e6ce33bf8a", kill_on_drop: false }`
[INFO] [stdout] 19f633d899f44e9d6c0f76f2aec781272d86e737a10fe67fbe12c0e6ce33bf8a