[INFO] fetching crate tusk_data 0.0.1...
[INFO] checking tusk_data-0.0.1 against beta for pr-78714
[INFO] extracting crate tusk_data 0.0.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tusk_data 0.0.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tusk_data 0.0.1
[INFO] finished tweaking crates.io crate tusk_data 0.0.1
[INFO] tweaked toml for crates.io crate tusk_data 0.0.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd2f30f8af161a8afe20c991bc75e49c4abb96bdd74d7d2d4432afd5a53b7050
[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" "fd2f30f8af161a8afe20c991bc75e49c4abb96bdd74d7d2d4432afd5a53b7050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd2f30f8af161a8afe20c991bc75e49c4abb96bdd74d7d2d4432afd5a53b7050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2f30f8af161a8afe20c991bc75e49c4abb96bdd74d7d2d4432afd5a53b7050", kill_on_drop: false }`
[INFO] [stdout] fd2f30f8af161a8afe20c991bc75e49c4abb96bdd74d7d2d4432afd5a53b7050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45c794f443a6c2dca55fb09f262c9310978beec0a3331be36e251b81681400e1
[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" "45c794f443a6c2dca55fb09f262c9310978beec0a3331be36e251b81681400e1", 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] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking tusk_data v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vo`
[INFO] [stdout]   --> src/metrics/mod.rs:36:56
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn join(&self, rhs: &Self, terms: Vec<String>, vo: ops::Ops) -> Option<Self> {
[INFO] [stdout]    |                                                        ^^ help: if this is intentional, prefix it with an underscore: `_vo`
[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] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> benches/metrics.rs:11:50
[INFO] [stdout]    |
[INFO] [stdout] 11 |         c.bench_function("matching metadata", move |b| {
[INFO] [stdout]    |                                                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[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] [stdout] warning: unused variable: `vo`
[INFO] [stdout]   --> src/metrics/mod.rs:36:56
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn join(&self, rhs: &Self, terms: Vec<String>, vo: ops::Ops) -> Option<Self> {
[INFO] [stdout]    |                                                        ^^ help: if this is intentional, prefix it with an underscore: `_vo`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_metadata_builder`
[INFO] [stdout]    --> src/metadata/mod.rs:221:8
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn test_metadata_builder() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_metadata_filter`
[INFO] [stdout]    --> src/metadata/mod.rs:236:8
[INFO] [stdout]     |
[INFO] [stdout] 236 |     fn test_metadata_filter() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.58s
[INFO] running `Command { std: "docker" "inspect" "45c794f443a6c2dca55fb09f262c9310978beec0a3331be36e251b81681400e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c794f443a6c2dca55fb09f262c9310978beec0a3331be36e251b81681400e1", kill_on_drop: false }`
[INFO] [stdout] 45c794f443a6c2dca55fb09f262c9310978beec0a3331be36e251b81681400e1