[INFO] cloning repository https://github.com/shelbyd/par_async [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shelbyd/par_async" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fpar_async", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fpar_async'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db58c7a481f374b0bd860208b976a646442591de [INFO] checking shelbyd/par_async against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshelbyd%2Fpar_async" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shelbyd/par_async on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shelbyd/par_async [INFO] finished tweaking git repo https://github.com/shelbyd/par_async [INFO] tweaked toml for git repo https://github.com/shelbyd/par_async written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/shelbyd/par_async already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e739351ce8deec9e257810c505085170b1d4ffb2f3fa452b51cf0c3a1c045fb2 [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" "e739351ce8deec9e257810c505085170b1d4ffb2f3fa452b51cf0c3a1c045fb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e739351ce8deec9e257810c505085170b1d4ffb2f3fa452b51cf0c3a1c045fb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e739351ce8deec9e257810c505085170b1d4ffb2f3fa452b51cf0c3a1c045fb2", kill_on_drop: false }` [INFO] [stdout] e739351ce8deec9e257810c505085170b1d4ffb2f3fa452b51cf0c3a1c045fb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e85ec955eb89e457c7d2d9bae45bf02dc3859059f5e0d5ad970b371dd5b4af29 [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" "e85ec955eb89e457c7d2d9bae45bf02dc3859059f5e0d5ad970b371dd5b4af29", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Checking unicode-xid v0.2.0 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling proc-macro2 v1.0.1 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-test-preview v0.3.0-alpha.18 [INFO] [stderr] Checking par_async v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 45.71s [INFO] running `Command { std: "docker" "inspect" "e85ec955eb89e457c7d2d9bae45bf02dc3859059f5e0d5ad970b371dd5b4af29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e85ec955eb89e457c7d2d9bae45bf02dc3859059f5e0d5ad970b371dd5b4af29", kill_on_drop: false }` [INFO] [stdout] e85ec955eb89e457c7d2d9bae45bf02dc3859059f5e0d5ad970b371dd5b4af29