[INFO] crate tusk_data 0.0.1 is already in cache
[INFO] extracting crate tusk_data 0.0.1 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/tusk_data/0.0.1
[INFO] extracting crate tusk_data 0.0.1 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/tusk_data/0.0.1
[INFO] validating manifest of tusk_data-0.0.1 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tusk_data-0.0.1 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tusk_data-0.0.1
[INFO] finished frobbing tusk_data-0.0.1
[INFO] frobbed toml for tusk_data-0.0.1 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/tusk_data/0.0.1/Cargo.toml
[INFO] started frobbing tusk_data-0.0.1
[INFO] finished frobbing tusk_data-0.0.1
[INFO] frobbed toml for tusk_data-0.0.1 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/tusk_data/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tusk_data-0.0.1 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-6/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/tusk_data/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8efa8a0a4a420cd5c5c597aacb4d116bbd546b9f3d3a091317456a8e633b3f73
[INFO] running `"docker" "start" "-a" "8efa8a0a4a420cd5c5c597aacb4d116bbd546b9f3d3a091317456a8e633b3f73"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking csv v1.1.0
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking tusk_data v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `vo`
[INFO] [stderr]   --> src/metrics/mod.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn join(&self, rhs: &Self, terms: Vec<String>, vo: ops::Ops) -> Option<Self> {
[INFO] [stderr]    |                                                        ^^ help: consider prefixing with an underscore: `_vo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> benches/metrics.rs:11:50
[INFO] [stderr]    |
[INFO] [stderr] 11 |         c.bench_function("matching metadata", move |b| {
[INFO] [stderr]    |                                                     ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vo`
[INFO] [stderr]   --> src/metrics/mod.rs:36:56
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn join(&self, rhs: &Self, terms: Vec<String>, vo: ops::Ops) -> Option<Self> {
[INFO] [stderr]    |                                                        ^^ help: consider prefixing with an underscore: `_vo`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_metadata_builder`
[INFO] [stderr]    --> src/metadata/mod.rs:221:5
[INFO] [stderr]     |
[INFO] [stderr] 221 |     fn test_metadata_builder() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_metadata_filter`
[INFO] [stderr]    --> src/metadata/mod.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn test_metadata_filter() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.05s
[INFO] running `"docker" "inspect" "8efa8a0a4a420cd5c5c597aacb4d116bbd546b9f3d3a091317456a8e633b3f73"`
[INFO] running `"docker" "rm" "-f" "8efa8a0a4a420cd5c5c597aacb4d116bbd546b9f3d3a091317456a8e633b3f73"`
[INFO] [stdout] 8efa8a0a4a420cd5c5c597aacb4d116bbd546b9f3d3a091317456a8e633b3f73