[INFO] cloning repository https://github.com/omprakashsridharan/async-timer [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omprakashsridharan/async-timer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomprakashsridharan%2Fasync-timer"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomprakashsridharan%2Fasync-timer'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 524dd9db212156067fa9745bb969cd1adf348198 [INFO] checking omprakashsridharan/async-timer against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomprakashsridharan%2Fasync-timer" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/omprakashsridharan/async-timer on toolchain 914adf04af1c1a984707f778da3d04590c03d144 [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/omprakashsridharan/async-timer [INFO] finished tweaking git repo https://github.com/omprakashsridharan/async-timer [INFO] tweaked toml for git repo https://github.com/omprakashsridharan/async-timer written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/omprakashsridharan/async-timer already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "/opt/rustwide/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 60b471a367618595d705f47aa68ac68f2022c25879e9b4fc3633fcae467f84b3 [INFO] running `"docker" "start" "-a" "60b471a367618595d705f47aa68ac68f2022c25879e9b4fc3633fcae467f84b3"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.21 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling proc-macro2 v1.0.12 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling quote v1.0.5 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling pin-project-internal v0.4.16 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking pin-project v0.4.16 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking async-timer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.49s [INFO] running `"docker" "inspect" "60b471a367618595d705f47aa68ac68f2022c25879e9b4fc3633fcae467f84b3"` [INFO] running `"docker" "rm" "-f" "60b471a367618595d705f47aa68ac68f2022c25879e9b4fc3633fcae467f84b3"` [INFO] [stdout] 60b471a367618595d705f47aa68ac68f2022c25879e9b4fc3633fcae467f84b3