[INFO] crate cp_api 0.3.1 is already in cache
[INFO] extracting crate cp_api 0.3.1 into work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cp_api/0.3.1
[INFO] extracting crate cp_api 0.3.1 into work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/cp_api/0.3.1
[INFO] validating manifest of cp_api-0.3.1 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cp_api-0.3.1 on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cp_api-0.3.1
[INFO] finished frobbing cp_api-0.3.1
[INFO] frobbed toml for cp_api-0.3.1 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cp_api/0.3.1/Cargo.toml
[INFO] started frobbing cp_api-0.3.1
[INFO] finished frobbing cp_api-0.3.1
[INFO] frobbed toml for cp_api-0.3.1 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/cp_api/0.3.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cp_api-0.3.1 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-2/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/cp_api/0.3.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ff57ec14f054b0b35fba59e614d3a4864ec38fb5d038401a4e4d8b106c719f33
[INFO] running `"docker" "start" "-a" "ff57ec14f054b0b35fba59e614d3a4864ec38fb5d038401a4e4d8b106c719f33"`
[INFO] [stderr]     Checking cp_api v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0615]: attempted to take value of method `source` on type `cp_api::error::Error`
[INFO] [stderr]   --> tests/errors.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |         if e.source.is_some() {
[INFO] [stderr]    |              ^^^^^^ help: use parentheses to call the method: `source()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0615`.
[INFO] [stderr] error: Could not compile `cp_api`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ff57ec14f054b0b35fba59e614d3a4864ec38fb5d038401a4e4d8b106c719f33"`
[INFO] running `"docker" "rm" "-f" "ff57ec14f054b0b35fba59e614d3a4864ec38fb5d038401a4e4d8b106c719f33"`
[INFO] [stdout] ff57ec14f054b0b35fba59e614d3a4864ec38fb5d038401a4e4d8b106c719f33