[INFO] fetching crate recursive_variadic 0.1.0...
[INFO] testing recursive_variadic-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate recursive_variadic 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate recursive_variadic 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recursive_variadic 0.1.0
[INFO] finished tweaking crates.io crate recursive_variadic 0.1.0
[INFO] tweaked toml for crates.io crate recursive_variadic 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a5b45b2a4fa94c22fb8e2fa1544c6da88c2add77a53d36acd7a6758f8ee2788
[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" "9a5b45b2a4fa94c22fb8e2fa1544c6da88c2add77a53d36acd7a6758f8ee2788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5b45b2a4fa94c22fb8e2fa1544c6da88c2add77a53d36acd7a6758f8ee2788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5b45b2a4fa94c22fb8e2fa1544c6da88c2add77a53d36acd7a6758f8ee2788", kill_on_drop: false }`
[INFO] [stdout] 9a5b45b2a4fa94c22fb8e2fa1544c6da88c2add77a53d36acd7a6758f8ee2788
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 986350367ffa40fbff4b1b229c87f0b4fb7fe7d98e76ff068155afaf2443ba1b
[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" "986350367ffa40fbff4b1b229c87f0b4fb7fe7d98e76ff068155afaf2443ba1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling recursive_variadic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "986350367ffa40fbff4b1b229c87f0b4fb7fe7d98e76ff068155afaf2443ba1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986350367ffa40fbff4b1b229c87f0b4fb7fe7d98e76ff068155afaf2443ba1b", kill_on_drop: false }`
[INFO] [stdout] 986350367ffa40fbff4b1b229c87f0b4fb7fe7d98e76ff068155afaf2443ba1b
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd4b544b191254fd1b13e0367cce636b8f439d438576512e20e46e695a6632fe
[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" "dd4b544b191254fd1b13e0367cce636b8f439d438576512e20e46e695a6632fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling recursive_variadic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]   --> src/lib.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     use std::any::Any;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "dd4b544b191254fd1b13e0367cce636b8f439d438576512e20e46e695a6632fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4b544b191254fd1b13e0367cce636b8f439d438576512e20e46e695a6632fe", kill_on_drop: false }`
[INFO] [stdout] dd4b544b191254fd1b13e0367cce636b8f439d438576512e20e46e695a6632fe
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 858a653b450b748f4a138dfd8811ac36b31b348a6c0d455d7c69d33ed8dfecf2
[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" "858a653b450b748f4a138dfd8811ac36b31b348a6c0d455d7c69d33ed8dfecf2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]   --> src/lib.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     use std::any::Any;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/recursive_variadic-bc2a097ccf1610b1
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests recursive_variadic
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "858a653b450b748f4a138dfd8811ac36b31b348a6c0d455d7c69d33ed8dfecf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858a653b450b748f4a138dfd8811ac36b31b348a6c0d455d7c69d33ed8dfecf2", kill_on_drop: false }`
[INFO] [stdout] 858a653b450b748f4a138dfd8811ac36b31b348a6c0d455d7c69d33ed8dfecf2