[INFO] fetching crate async-dup 1.2.2...
[INFO] checking async-dup-1.2.2 against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] extracting crate async-dup 1.2.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-dup 1.2.2 on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-dup 1.2.2
[INFO] finished tweaking crates.io crate async-dup 1.2.2
[INFO] tweaked toml for crates.io crate async-dup 1.2.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54008785b9084f5fe8c5ef60bbadeabb32f8004b57775455dd9f0f990ed1cf12
[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" "54008785b9084f5fe8c5ef60bbadeabb32f8004b57775455dd9f0f990ed1cf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54008785b9084f5fe8c5ef60bbadeabb32f8004b57775455dd9f0f990ed1cf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54008785b9084f5fe8c5ef60bbadeabb32f8004b57775455dd9f0f990ed1cf12", kill_on_drop: false }`
[INFO] [stdout] 54008785b9084f5fe8c5ef60bbadeabb32f8004b57775455dd9f0f990ed1cf12
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5c7ab0840015a61cee655a7e9b04bf3205fbe82f0b5eaf681b444ee03d58374
[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" "c5c7ab0840015a61cee655a7e9b04bf3205fbe82f0b5eaf681b444ee03d58374", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking async-dup v1.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking socket2 v0.3.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures v0.3.7
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.54s
[INFO] running `Command { std: "docker" "inspect" "c5c7ab0840015a61cee655a7e9b04bf3205fbe82f0b5eaf681b444ee03d58374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c7ab0840015a61cee655a7e9b04bf3205fbe82f0b5eaf681b444ee03d58374", kill_on_drop: false }`
[INFO] [stdout] c5c7ab0840015a61cee655a7e9b04bf3205fbe82f0b5eaf681b444ee03d58374