[INFO] fetching crate beams 0.1.0...
[INFO] checking beams-0.1.0 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate beams 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate beams 0.1.0 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate beams 0.1.0
[INFO] finished tweaking crates.io crate beams 0.1.0
[INFO] tweaked toml for crates.io crate beams 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3899b222bc488128b45d58b752be0bb04937cfac011b16a2514ff17a65a9ce2f
[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" "3899b222bc488128b45d58b752be0bb04937cfac011b16a2514ff17a65a9ce2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3899b222bc488128b45d58b752be0bb04937cfac011b16a2514ff17a65a9ce2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3899b222bc488128b45d58b752be0bb04937cfac011b16a2514ff17a65a9ce2f", kill_on_drop: false }`
[INFO] [stdout] 3899b222bc488128b45d58b752be0bb04937cfac011b16a2514ff17a65a9ce2f
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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] 6647e8769b62e1afd9227b2ab9da020de1a802c27735af5a700ecec78ef6c25f
[INFO] running `Command { std: "docker" "start" "-a" "6647e8769b62e1afd9227b2ab9da020de1a802c27735af5a700ecec78ef6c25f", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking qstring v0.6.0
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking openssl v0.10.32
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]     Checking ureq v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking beams v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.13s
[INFO] running `Command { std: "docker" "inspect" "6647e8769b62e1afd9227b2ab9da020de1a802c27735af5a700ecec78ef6c25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6647e8769b62e1afd9227b2ab9da020de1a802c27735af5a700ecec78ef6c25f", kill_on_drop: false }`
[INFO] [stdout] 6647e8769b62e1afd9227b2ab9da020de1a802c27735af5a700ecec78ef6c25f