[INFO] updating cached repository https://github.com/oldmammuth/test-num_cpus [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] 4a4ff2503547dea8efc4fc3dea386bb23cb4d728 [INFO] checking oldmammuth/test-num_cpus against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foldmammuth%2Ftest-num_cpus" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/oldmammuth/test-num_cpus on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/oldmammuth/test-num_cpus [INFO] finished tweaking git repo https://github.com/oldmammuth/test-num_cpus [INFO] tweaked toml for git repo https://github.com/oldmammuth/test-num_cpus written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/oldmammuth/test-num_cpus already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/oldmammuth/num_cpus.git` [INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/oldmammuth/num_cpus.git` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0deedffaa4d7c756f37a5af4601b8ea1596f513fb42c137140aa9eb46ed9ef7f [INFO] running `Command { std: "docker" "start" "-a" "0deedffaa4d7c756f37a5af4601b8ea1596f513fb42c137140aa9eb46ed9ef7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0deedffaa4d7c756f37a5af4601b8ea1596f513fb42c137140aa9eb46ed9ef7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0deedffaa4d7c756f37a5af4601b8ea1596f513fb42c137140aa9eb46ed9ef7f", kill_on_drop: false }` [INFO] [stdout] 0deedffaa4d7c756f37a5af4601b8ea1596f513fb42c137140aa9eb46ed9ef7f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9da621c1cf8f9970cb33ed41c34802779d585e40b3106029b1f76716c5c2b45 [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" "d9da621c1cf8f9970cb33ed41c34802779d585e40b3106029b1f76716c5c2b45", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Checking num_cpus v1.7.0 (https://github.com/oldmammuth/num_cpus.git#b2be87c2) [INFO] [stderr] Checking test-num_cpus v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.63s [INFO] running `Command { std: "docker" "inspect" "d9da621c1cf8f9970cb33ed41c34802779d585e40b3106029b1f76716c5c2b45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9da621c1cf8f9970cb33ed41c34802779d585e40b3106029b1f76716c5c2b45", kill_on_drop: false }` [INFO] [stdout] d9da621c1cf8f9970cb33ed41c34802779d585e40b3106029b1f76716c5c2b45