[INFO] crate leetcode_prelude 0.2.2 is already in cache
[INFO] extracting crate leetcode_prelude 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/leetcode_prelude/0.2.2
[INFO] extracting crate leetcode_prelude 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/leetcode_prelude/0.2.2
[INFO] validating manifest of leetcode_prelude-0.2.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of leetcode_prelude-0.2.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing leetcode_prelude-0.2.2
[INFO] finished frobbing leetcode_prelude-0.2.2
[INFO] frobbed toml for leetcode_prelude-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/leetcode_prelude/0.2.2/Cargo.toml
[INFO] started frobbing leetcode_prelude-0.2.2
[INFO] finished frobbing leetcode_prelude-0.2.2
[INFO] frobbed toml for leetcode_prelude-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/leetcode_prelude/0.2.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing leetcode_prelude-0.2.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/leetcode_prelude/0.2.2:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f8cd388fb061524c4f2509d383e658711ea7cabf4122b40c95dbf21a4b3580b5
[INFO] running `"docker" "start" "-a" "f8cd388fb061524c4f2509d383e658711ea7cabf4122b40c95dbf21a4b3580b5"`
[INFO] [stderr]    Compiling leetcode_test v0.1.1
[INFO] [stderr]    Compiling leetcode_prelude v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "f8cd388fb061524c4f2509d383e658711ea7cabf4122b40c95dbf21a4b3580b5"`
[INFO] running `"docker" "rm" "-f" "f8cd388fb061524c4f2509d383e658711ea7cabf4122b40c95dbf21a4b3580b5"`
[INFO] [stdout] f8cd388fb061524c4f2509d383e658711ea7cabf4122b40c95dbf21a4b3580b5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/leetcode_prelude/0.2.2:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f9109f712a0b4a96a3d141df9757f5a4e451278da4497926d8fb9833e0281ccb
[INFO] running `"docker" "start" "-a" "f9109f712a0b4a96a3d141df9757f5a4e451278da4497926d8fb9833e0281ccb"`
[INFO] [stderr]    Compiling leetcode_prelude v0.2.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "f9109f712a0b4a96a3d141df9757f5a4e451278da4497926d8fb9833e0281ccb"`
[INFO] running `"docker" "rm" "-f" "f9109f712a0b4a96a3d141df9757f5a4e451278da4497926d8fb9833e0281ccb"`
[INFO] [stdout] f9109f712a0b4a96a3d141df9757f5a4e451278da4497926d8fb9833e0281ccb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/leetcode_prelude/0.2.2:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c784447c3c5f325baf56c393eb26b09aa2b69e5db05bc6dbf9be8dd222d7cfbe
[INFO] running `"docker" "start" "-a" "c784447c3c5f325baf56c393eb26b09aa2b69e5db05bc6dbf9be8dd222d7cfbe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/leetcode_prelude-4f35367735a19357
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::assert_eq_sorted ... ok
[INFO] [stdout] test tests::test_vec_string ... ok
[INFO] [stdout] test btree::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode_prelude
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/linkedlist.rs - linkedlist (line 24) ... ok
[INFO] [stdout] test src/btree.rs - btree (line 32) ... 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" "c784447c3c5f325baf56c393eb26b09aa2b69e5db05bc6dbf9be8dd222d7cfbe"`
[INFO] running `"docker" "rm" "-f" "c784447c3c5f325baf56c393eb26b09aa2b69e5db05bc6dbf9be8dd222d7cfbe"`
[INFO] [stdout] c784447c3c5f325baf56c393eb26b09aa2b69e5db05bc6dbf9be8dd222d7cfbe