[INFO] cloning repository https://github.com/Licenser/nested-executors [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Licenser/nested-executors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLicenser%2Fnested-executors", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLicenser%2Fnested-executors'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d36e9e1a6882b324f7e686e17964d1dc373e1f59 [INFO] checking Licenser/nested-executors against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLicenser%2Fnested-executors" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Licenser/nested-executors on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Licenser/nested-executors [INFO] finished tweaking git repo https://github.com/Licenser/nested-executors [INFO] tweaked toml for git repo https://github.com/Licenser/nested-executors written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/Licenser/nested-executors already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6796b85de45fb42b3a186bc023604ab31514d6ddcb0bac175f22ebe5b796e3ac [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" "6796b85de45fb42b3a186bc023604ab31514d6ddcb0bac175f22ebe5b796e3ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6796b85de45fb42b3a186bc023604ab31514d6ddcb0bac175f22ebe5b796e3ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6796b85de45fb42b3a186bc023604ab31514d6ddcb0bac175f22ebe5b796e3ac", kill_on_drop: false }` [INFO] [stdout] 6796b85de45fb42b3a186bc023604ab31514d6ddcb0bac175f22ebe5b796e3ac [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d1782920532b62a7f59f45f8cdf3bda8e2e5966951141dff5e03a539b3152423 [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" "d1782920532b62a7f59f45f8cdf3bda8e2e5966951141dff5e03a539b3152423", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.17 [INFO] [stderr] Compiling syn v1.0.25 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Checking scoped-tls-hkt v0.1.2 [INFO] [stderr] Checking pin-project-lite v0.1.5 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking kv-log-macro v1.0.6 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Checking pin-project v0.4.17 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking piper v0.1.2 [INFO] [stderr] Checking smol v0.1.10 [INFO] [stderr] Checking async-std v1.6.0 [INFO] [stderr] Checking nested-executors v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 55.04s [INFO] running `Command { std: "docker" "inspect" "d1782920532b62a7f59f45f8cdf3bda8e2e5966951141dff5e03a539b3152423", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1782920532b62a7f59f45f8cdf3bda8e2e5966951141dff5e03a539b3152423", kill_on_drop: false }` [INFO] [stdout] d1782920532b62a7f59f45f8cdf3bda8e2e5966951141dff5e03a539b3152423