[INFO] cloning repository https://github.com/luser/threadpool-test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luser/threadpool-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fthreadpool-test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fthreadpool-test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 62f901b32b2e15eae69d874ac506845ea7f55e35 [INFO] checking luser/threadpool-test against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fthreadpool-test" "/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/luser/threadpool-test on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/luser/threadpool-test [INFO] finished tweaking git repo https://github.com/luser/threadpool-test [INFO] tweaked toml for git repo https://github.com/luser/threadpool-test written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/luser/threadpool-test already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures v0.3.4 [INFO] [stderr] Downloaded futures-io v0.3.4 [INFO] [stderr] Downloaded num_cpus v1.12.0 [INFO] [stderr] Downloaded futures-task v0.3.4 [INFO] [stderr] Downloaded memchr v2.3.2 [INFO] [stderr] Downloaded futures-sink v0.3.4 [INFO] [stderr] Downloaded futures-executor v0.3.4 [INFO] [stderr] Downloaded futures-macro v0.3.4 [INFO] [stderr] Downloaded hermit-abi v0.1.6 [INFO] [stderr] Downloaded futures-util v0.3.4 [INFO] [stderr] Downloaded futures-channel v0.3.4 [INFO] [stderr] Downloaded syn v1.0.14 [INFO] [stderr] Downloaded proc-macro2 v1.0.8 [INFO] [stderr] Downloaded futures-core v0.3.4 [INFO] [stderr] Downloaded futures-timer v3.0.1 [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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b89579fcccf90db1f8aab9408613b91d57f9ecf88718a2a8605a3ebdd294e5f8 [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" "b89579fcccf90db1f8aab9408613b91d57f9ecf88718a2a8605a3ebdd294e5f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b89579fcccf90db1f8aab9408613b91d57f9ecf88718a2a8605a3ebdd294e5f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b89579fcccf90db1f8aab9408613b91d57f9ecf88718a2a8605a3ebdd294e5f8", kill_on_drop: false }` [INFO] [stdout] b89579fcccf90db1f8aab9408613b91d57f9ecf88718a2a8605a3ebdd294e5f8 [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" "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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6e64ccea0b0617073c8b26bfb9f818293d89d4b7b5343ce48532b06367da24b2 [INFO] running `Command { std: "docker" "start" "-a" "6e64ccea0b0617073c8b26bfb9f818293d89d4b7b5343ce48532b06367da24b2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling memchr v2.3.2 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-timer v3.0.1 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking threadpool-test v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.15s [INFO] running `Command { std: "docker" "inspect" "6e64ccea0b0617073c8b26bfb9f818293d89d4b7b5343ce48532b06367da24b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e64ccea0b0617073c8b26bfb9f818293d89d4b7b5343ce48532b06367da24b2", kill_on_drop: false }` [INFO] [stdout] 6e64ccea0b0617073c8b26bfb9f818293d89d4b7b5343ce48532b06367da24b2