[INFO] crate bp7 0.3.0 is already in cache
[INFO] extracting crate bp7 0.3.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/bp7/0.3.0
[INFO] extracting crate bp7 0.3.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/bp7/0.3.0
[INFO] validating manifest of bp7-0.3.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bp7-0.3.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bp7-0.3.0
[INFO] finished frobbing bp7-0.3.0
[INFO] frobbed toml for bp7-0.3.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/bp7/0.3.0/Cargo.toml
[INFO] started frobbing bp7-0.3.0
[INFO] finished frobbing bp7-0.3.0
[INFO] frobbed toml for bp7-0.3.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/bp7/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bp7-0.3.0 against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/bp7/0.3.0:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 749e0105d69f43826877cb2f10a9131ac45e60a107373a3295a85734768063d1
[INFO] running `"docker" "start" "-a" "749e0105d69f43826877cb2f10a9131ac45e60a107373a3295a85734768063d1"`
[INFO] [stderr]     Checking bstr v0.2.2
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking serde_bytes v0.11.1
[INFO] [stderr]     Checking bp7 v0.3.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr] warning: unused imports: `SerializeSeq`, `Serializer`
[INFO] [stderr]  --> src/eid.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::ser::{SerializeSeq, Serializer};
[INFO] [stderr]   |                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `has_unique_elements`
[INFO] [stderr]    --> src/bundle.rs:252:1
[INFO] [stderr]     |
[INFO] [stderr] 252 | / fn has_unique_elements<T>(iter: T) -> bool
[INFO] [stderr] 253 | | where
[INFO] [stderr] 254 | |     T: IntoIterator,
[INFO] [stderr] 255 | |     T::Item: Eq + Hash,
[INFO] [stderr] ...   |
[INFO] [stderr] 258 | |     iter.into_iter().all(move |x| uniq.insert(x))
[INFO] [stderr] 259 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr] warning: unused import: `criterion::black_box`
[INFO] [stderr]  --> benches/benchmark.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use criterion::black_box;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SerializeSeq`, `Serializer`
[INFO] [stderr]  --> src/eid.rs:3:18
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde::ser::{SerializeSeq, Serializer};
[INFO] [stderr]   |                  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `has_unique_elements`
[INFO] [stderr]    --> src/bundle.rs:252:1
[INFO] [stderr]     |
[INFO] [stderr] 252 | / fn has_unique_elements<T>(iter: T) -> bool
[INFO] [stderr] 253 | | where
[INFO] [stderr] 254 | |     T: IntoIterator,
[INFO] [stderr] 255 | |     T::Item: Eq + Hash,
[INFO] [stderr] ...   |
[INFO] [stderr] 258 | |     iter.into_iter().all(move |x| uniq.insert(x))
[INFO] [stderr] 259 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.81s
[INFO] running `"docker" "inspect" "749e0105d69f43826877cb2f10a9131ac45e60a107373a3295a85734768063d1"`
[INFO] running `"docker" "rm" "-f" "749e0105d69f43826877cb2f10a9131ac45e60a107373a3295a85734768063d1"`
[INFO] [stdout] 749e0105d69f43826877cb2f10a9131ac45e60a107373a3295a85734768063d1