[INFO] crate pop-trait 0.2.1 is already in cache
[INFO] extracting crate pop-trait 0.2.1 into work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/pop-trait/0.2.1
[INFO] extracting crate pop-trait 0.2.1 into work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/pop-trait/0.2.1
[INFO] validating manifest of pop-trait-0.2.1 on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of pop-trait-0.2.1 on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing pop-trait-0.2.1
[INFO] finished frobbing pop-trait-0.2.1
[INFO] frobbed toml for pop-trait-0.2.1 written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/pop-trait/0.2.1/Cargo.toml
[INFO] started frobbing pop-trait-0.2.1
[INFO] finished frobbing pop-trait-0.2.1
[INFO] frobbed toml for pop-trait-0.2.1 written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/pop-trait/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking pop-trait-0.2.1 against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-6/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/pop-trait/0.2.1:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 32c57391455ff396d347bf2481361d5f48de0eee877d2290a8905fa07d6340a2
[INFO] running `"docker" "start" "-a" "32c57391455ff396d347bf2481361d5f48de0eee877d2290a8905fa07d6340a2"`
[INFO] [stderr]     Checking compare v0.0.6
[INFO] [stderr]     Checking linked-list v0.0.3
[INFO] [stderr]     Checking linear-map v0.0.4
[INFO] [stderr]     Checking enum-set v0.0.8
[INFO] [stderr]     Checking traverse v0.0.12
[INFO] [stderr]     Checking interval-heap v0.0.5
[INFO] [stderr]     Checking blist v0.0.4
[INFO] [stderr]     Checking len-trait v0.2.6
[INFO] [stderr]     Checking pop-trait v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0463]: can't find crate for `clippy`
[INFO] [stderr]  --> src/lib.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![cfg_attr(test, plugin(clippy))]
[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 `pop-trait`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "32c57391455ff396d347bf2481361d5f48de0eee877d2290a8905fa07d6340a2"`
[INFO] running `"docker" "rm" "-f" "32c57391455ff396d347bf2481361d5f48de0eee877d2290a8905fa07d6340a2"`
[INFO] [stdout] 32c57391455ff396d347bf2481361d5f48de0eee877d2290a8905fa07d6340a2