[INFO] updating cached repository https://github.com/davidcl/symbols-graph
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f3b0013caf4cb74e9c0848ca665c5f17d57d454
[INFO] checking davidcl/symbols-graph against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidcl%2Fsymbols-graph" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidcl/symbols-graph on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidcl/symbols-graph
[INFO] finished tweaking git repo https://github.com/davidcl/symbols-graph
[INFO] tweaked toml for git repo https://github.com/davidcl/symbols-graph written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/davidcl/symbols-graph already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef8376722de4a3e8afd5c4a9deb4a4a85b6d00283b92bc852f65e0b9076d2083
[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" "ef8376722de4a3e8afd5c4a9deb4a4a85b6d00283b92bc852f65e0b9076d2083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef8376722de4a3e8afd5c4a9deb4a4a85b6d00283b92bc852f65e0b9076d2083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8376722de4a3e8afd5c4a9deb4a4a85b6d00283b92bc852f65e0b9076d2083", kill_on_drop: false }`
[INFO] [stdout] ef8376722de4a3e8afd5c4a9deb4a4a85b6d00283b92bc852f65e0b9076d2083
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9824f0c58346e6f9c8a638ea34b762bc2fa7e4fa03b8d8b58caa146b0bda6914
[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" "9824f0c58346e6f9c8a638ea34b762bc2fa7e4fa03b8d8b58caa146b0bda6914", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking parity-wasm v0.38.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking string-interner v0.7.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking gimli v0.18.0
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking goblin v0.0.22
[INFO] [stderr]     Checking object v0.12.0
[INFO] [stderr]     Checking symbols-graph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.35s
[INFO] running `Command { std: "docker" "inspect" "9824f0c58346e6f9c8a638ea34b762bc2fa7e4fa03b8d8b58caa146b0bda6914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9824f0c58346e6f9c8a638ea34b762bc2fa7e4fa03b8d8b58caa146b0bda6914", kill_on_drop: false }`
[INFO] [stdout] 9824f0c58346e6f9c8a638ea34b762bc2fa7e4fa03b8d8b58caa146b0bda6914