[INFO] fetching crate zz 0.1.0...
[INFO] testing zz-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate zz 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate zz 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zz 0.1.0
[INFO] finished tweaking crates.io crate zz 0.1.0
[INFO] tweaked toml for crates.io crate zz 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xoroshiro128 v0.3.0
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded pest_generator v2.1.3
[INFO] [stderr]   Downloaded pest_meta v2.1.3
[INFO] [stderr]   Downloaded seahash v3.0.7
[INFO] [stderr]   Downloaded ucd-trie v0.1.3
[INFO] [stderr]   Downloaded pest v2.1.3
[INFO] [stderr]   Downloaded pest_derive v2.1.0
[INFO] [stderr]   Downloaded toml v0.5.7
[INFO] [stderr]   Downloaded fasthash v0.4.0
[INFO] [stderr]   Downloaded fasthash-sys v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c3efb9ba927a512b56a7e3b07e01ea08c2f8fe674ea23de2be185d02bbbfff8
[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" "0c3efb9ba927a512b56a7e3b07e01ea08c2f8fe674ea23de2be185d02bbbfff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c3efb9ba927a512b56a7e3b07e01ea08c2f8fe674ea23de2be185d02bbbfff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3efb9ba927a512b56a7e3b07e01ea08c2f8fe674ea23de2be185d02bbbfff8", kill_on_drop: false }`
[INFO] [stdout] 0c3efb9ba927a512b56a7e3b07e01ea08c2f8fe674ea23de2be185d02bbbfff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb342ffc629f3e55afb2b164cfc7042e330901e333401331141b5a19ed332d74
[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" "bb342ffc629f3e55afb2b164cfc7042e330901e333401331141b5a19ed332d74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling seahash v3.0.7
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]    Compiling xoroshiro128 v0.3.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling fasthash v0.4.0
[INFO] [stderr]    Compiling zz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `artifact_namespace`
[INFO] [stdout]   --> src/resolver.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     artifact_namespace:         &Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_artifact_namespace`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.88s
[INFO] running `Command { std: "docker" "inspect" "bb342ffc629f3e55afb2b164cfc7042e330901e333401331141b5a19ed332d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb342ffc629f3e55afb2b164cfc7042e330901e333401331141b5a19ed332d74", kill_on_drop: false }`
[INFO] [stdout] bb342ffc629f3e55afb2b164cfc7042e330901e333401331141b5a19ed332d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--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] b4d7e607758c2c2da620bb2582ff3416e867bf011b8b3068da9ff45f369d0787
[INFO] running `Command { std: "docker" "start" "-a" "b4d7e607758c2c2da620bb2582ff3416e867bf011b8b3068da9ff45f369d0787", kill_on_drop: false }`
[INFO] [stderr]    Compiling zz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `artifact_namespace`
[INFO] [stdout]   --> src/resolver.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     artifact_namespace:         &Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_artifact_namespace`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 2.75s
[INFO] running `Command { std: "docker" "inspect" "b4d7e607758c2c2da620bb2582ff3416e867bf011b8b3068da9ff45f369d0787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d7e607758c2c2da620bb2582ff3416e867bf011b8b3068da9ff45f369d0787", kill_on_drop: false }`
[INFO] [stdout] b4d7e607758c2c2da620bb2582ff3416e867bf011b8b3068da9ff45f369d0787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", 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] 5a8bbcdac78087be7f36defec4d945d5b221edaa3793300926a8335664e03122
[INFO] running `Command { std: "docker" "start" "-a" "5a8bbcdac78087be7f36defec4d945d5b221edaa3793300926a8335664e03122", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `artifact_namespace`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/resolver.rs:18:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 18 |     artifact_namespace:         &Vec<String>,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_artifact_namespace`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zz-2dd16159c7f7f514
[INFO] running `Command { std: "docker" "inspect" "5a8bbcdac78087be7f36defec4d945d5b221edaa3793300926a8335664e03122", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8bbcdac78087be7f36defec4d945d5b221edaa3793300926a8335664e03122", kill_on_drop: false }`
[INFO] [stdout] 5a8bbcdac78087be7f36defec4d945d5b221edaa3793300926a8335664e03122
