[INFO] updating cached repository https://github.com/data-pup/cargo-metadata-exercise [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] 756fc3afe4e803d5bfd37de7d60ba1d616657ede [INFO] checking data-pup/cargo-metadata-exercise against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdata-pup%2Fcargo-metadata-exercise" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/data-pup/cargo-metadata-exercise 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/data-pup/cargo-metadata-exercise [INFO] finished tweaking git repo https://github.com/data-pup/cargo-metadata-exercise [INFO] tweaked toml for git repo https://github.com/data-pup/cargo-metadata-exercise written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/data-pup/cargo-metadata-exercise 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 43098f0ee7233513ef4514c9a73ceaa463c5436a3f0a04b7292aae43df6c1fa5 [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" "43098f0ee7233513ef4514c9a73ceaa463c5436a3f0a04b7292aae43df6c1fa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "43098f0ee7233513ef4514c9a73ceaa463c5436a3f0a04b7292aae43df6c1fa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43098f0ee7233513ef4514c9a73ceaa463c5436a3f0a04b7292aae43df6c1fa5", kill_on_drop: false }` [INFO] [stdout] 43098f0ee7233513ef4514c9a73ceaa463c5436a3f0a04b7292aae43df6c1fa5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 8968d7a52e1f5bcc20485d859252bae212ed057e924bb8928b1a771e1ebc494b [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" "8968d7a52e1f5bcc20485d859252bae212ed057e924bb8928b1a771e1ebc494b", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling cc v1.0.23 [INFO] [stderr] Compiling proc-macro2 v0.4.17 [INFO] [stderr] Compiling serde v1.0.76 [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking rustc-demangle v0.1.9 [INFO] [stderr] Checking itoa v0.4.2 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking backtrace v0.3.9 [INFO] [stderr] Checking error-chain v0.12.0 [INFO] [stderr] Compiling serde_derive v1.0.76 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Checking serde_json v1.0.26 [INFO] [stderr] Checking toml v0.4.6 [INFO] [stderr] Checking cargo_metadata v0.6.0 [INFO] [stderr] Checking cargo-metadata-ex v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 40.94s [INFO] running `Command { std: "docker" "inspect" "8968d7a52e1f5bcc20485d859252bae212ed057e924bb8928b1a771e1ebc494b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8968d7a52e1f5bcc20485d859252bae212ed057e924bb8928b1a771e1ebc494b", kill_on_drop: false }` [INFO] [stdout] 8968d7a52e1f5bcc20485d859252bae212ed057e924bb8928b1a771e1ebc494b