[INFO] crate fingertrees 0.2.1 is already in cache
[INFO] extracting crate fingertrees 0.2.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/fingertrees/0.2.1
[INFO] extracting crate fingertrees 0.2.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/fingertrees/0.2.1
[INFO] validating manifest of fingertrees-0.2.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fingertrees-0.2.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fingertrees-0.2.1
[INFO] finished frobbing fingertrees-0.2.1
[INFO] frobbed toml for fingertrees-0.2.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/fingertrees/0.2.1/Cargo.toml
[INFO] started frobbing fingertrees-0.2.1
[INFO] finished frobbing fingertrees-0.2.1
[INFO] frobbed toml for fingertrees-0.2.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/fingertrees/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fingertrees-0.2.1 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/fingertrees/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 536e3ef6ac46f159e4b29f3ea14b69c672fe124e61425b9cbc45ce9219e8a372
[INFO] running `"docker" "start" "-a" "536e3ef6ac46f159e4b29f3ea14b69c672fe124e61425b9cbc45ce9219e8a372"`
[INFO] [stderr]    Compiling fingertrees v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "536e3ef6ac46f159e4b29f3ea14b69c672fe124e61425b9cbc45ce9219e8a372"`
[INFO] running `"docker" "rm" "-f" "536e3ef6ac46f159e4b29f3ea14b69c672fe124e61425b9cbc45ce9219e8a372"`
[INFO] [stdout] 536e3ef6ac46f159e4b29f3ea14b69c672fe124e61425b9cbc45ce9219e8a372
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/fingertrees/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] aee7d8511b1860f3a685e8a9dfa50f844abb5c49e2dd28ba5d304d91d007efd4
[INFO] running `"docker" "start" "-a" "aee7d8511b1860f3a685e8a9dfa50f844abb5c49e2dd28ba5d304d91d007efd4"`
[INFO] [stderr]    Compiling criterion v0.2.9
[INFO] [stderr]    Compiling quickcheck v0.7.2
[INFO] [stderr]    Compiling fingertrees v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.16s
[INFO] running `"docker" "inspect" "aee7d8511b1860f3a685e8a9dfa50f844abb5c49e2dd28ba5d304d91d007efd4"`
[INFO] running `"docker" "rm" "-f" "aee7d8511b1860f3a685e8a9dfa50f844abb5c49e2dd28ba5d304d91d007efd4"`
[INFO] [stdout] aee7d8511b1860f3a685e8a9dfa50f844abb5c49e2dd28ba5d304d91d007efd4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-1/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/fingertrees/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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] 5a67e40cd02f28a15631cc030eb21bcbdabe383d1c9a2a15616527b1fb4034ed
[INFO] running `"docker" "start" "-a" "5a67e40cd02f28a15631cc030eb21bcbdabe383d1c9a2a15616527b1fb4034ed"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fingertrees-005f7b6d70167a6c
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::simple::sync_send ... ok
[INFO] [stdout] test test::simple::reversed ... ok
[INFO] [stdout] test test::simple::queue ... ok
[INFO] [stdout] test test::quickcheck::split_and_concat ... ok
[INFO] [stdout] test test::simple::split ... ok
[INFO] [stdout] test test::simple::concat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fingertrees
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/reference.rs - reference::Refs (line 36) ... ok
[INFO] [stdout] test src/lib.rs -  (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5a67e40cd02f28a15631cc030eb21bcbdabe383d1c9a2a15616527b1fb4034ed"`
[INFO] running `"docker" "rm" "-f" "5a67e40cd02f28a15631cc030eb21bcbdabe383d1c9a2a15616527b1fb4034ed"`
[INFO] [stdout] 5a67e40cd02f28a15631cc030eb21bcbdabe383d1c9a2a15616527b1fb4034ed