[INFO] crate bp7 0.3.5 is already in cache
[INFO] extracting crate bp7 0.3.5 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/bp7/0.3.5
[INFO] extracting crate bp7 0.3.5 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/bp7/0.3.5
[INFO] validating manifest of bp7-0.3.5 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bp7-0.3.5 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bp7-0.3.5
[INFO] finished frobbing bp7-0.3.5
[INFO] frobbed toml for bp7-0.3.5 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/bp7/0.3.5/Cargo.toml
[INFO] started frobbing bp7-0.3.5
[INFO] finished frobbing bp7-0.3.5
[INFO] frobbed toml for bp7-0.3.5 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/bp7/0.3.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking bp7-0.3.5 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/bp7/0.3.5:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cce7972de34c82ea9e91ba6ff2f3527db6e7ca82779178d463aec5e9bfab03ba
[INFO] running `"docker" "start" "-a" "cce7972de34c82ea9e91ba6ff2f3527db6e7ca82779178d463aec5e9bfab03ba"`
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]     Checking instant v0.1.1
[INFO] [stderr]     Checking serde_bytes v0.11.2
[INFO] [stderr]     Checking serde_cbor v0.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking bp7 v0.3.5 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `CRCFuncations`
[INFO] [stderr]  --> src/canonical.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::crc::{CRCFuncations, CRCType, CrcBlock, CrcValue, CRC_16, CRC_32, CRC_NO};
[INFO] [stderr]   |                  ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CRCFuncations`
[INFO] [stderr]  --> src/canonical.rs:2:18
[INFO] [stderr]   |
[INFO] [stderr] 2 | use super::crc::{CRCFuncations, CRCType, CrcBlock, CrcValue, CRC_16, CRC_32, CRC_NO};
[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] 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] error[E0463]: can't find crate for `criterion`
[INFO] [stderr]  --> benches/benchmark.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | extern crate criterion;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `bp7`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "cce7972de34c82ea9e91ba6ff2f3527db6e7ca82779178d463aec5e9bfab03ba"`
[INFO] running `"docker" "rm" "-f" "cce7972de34c82ea9e91ba6ff2f3527db6e7ca82779178d463aec5e9bfab03ba"`
[INFO] [stdout] cce7972de34c82ea9e91ba6ff2f3527db6e7ca82779178d463aec5e9bfab03ba