[INFO] crate binomial-iter 0.1.0 is already in cache
[INFO] extracting crate binomial-iter 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/binomial-iter/0.1.0
[INFO] extracting crate binomial-iter 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/binomial-iter/0.1.0
[INFO] validating manifest of binomial-iter-0.1.0 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 binomial-iter-0.1.0 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 binomial-iter-0.1.0
[INFO] finished frobbing binomial-iter-0.1.0
[INFO] frobbed toml for binomial-iter-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/binomial-iter/0.1.0/Cargo.toml
[INFO] started frobbing binomial-iter-0.1.0
[INFO] finished frobbing binomial-iter-0.1.0
[INFO] frobbed toml for binomial-iter-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/binomial-iter/0.1.0/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 binomial-iter-0.1.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/binomial-iter/0.1.0:/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] 87691f33db0e1d58280b6a84ece8c48650a8eadf5f2b207ca64bc149c8df002b
[INFO] running `"docker" "start" "-a" "87691f33db0e1d58280b6a84ece8c48650a8eadf5f2b207ca64bc149c8df002b"`
[INFO] [stderr]    Compiling binomial-iter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "87691f33db0e1d58280b6a84ece8c48650a8eadf5f2b207ca64bc149c8df002b"`
[INFO] running `"docker" "rm" "-f" "87691f33db0e1d58280b6a84ece8c48650a8eadf5f2b207ca64bc149c8df002b"`
[INFO] [stdout] 87691f33db0e1d58280b6a84ece8c48650a8eadf5f2b207ca64bc149c8df002b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/binomial-iter/0.1.0:/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] c96c5b5307d18744d7dd85f58a360f9dfd616e56ae3e8a233385876fad6bd112
[INFO] running `"docker" "start" "-a" "c96c5b5307d18744d7dd85f58a360f9dfd616e56ae3e8a233385876fad6bd112"`
[INFO] [stderr]    Compiling binomial-iter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `n_iter`
[INFO] [stderr]  --> src/test.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn n_iter() {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "c96c5b5307d18744d7dd85f58a360f9dfd616e56ae3e8a233385876fad6bd112"`
[INFO] running `"docker" "rm" "-f" "c96c5b5307d18744d7dd85f58a360f9dfd616e56ae3e8a233385876fad6bd112"`
[INFO] [stdout] c96c5b5307d18744d7dd85f58a360f9dfd616e56ae3e8a233385876fad6bd112
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/binomial-iter/0.1.0:/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] fc30cee4d6deb790101d94c5a2c22d36536b11ec14cc0f22d4874c079ca16a4e
[INFO] running `"docker" "start" "-a" "fc30cee4d6deb790101d94c5a2c22d36536b11ec14cc0f22d4874c079ca16a4e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/binomial_iter-80825ba26b4a7e75
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests binomial-iter
[INFO] [stdout] test test::k_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fc30cee4d6deb790101d94c5a2c22d36536b11ec14cc0f22d4874c079ca16a4e"`
[INFO] running `"docker" "rm" "-f" "fc30cee4d6deb790101d94c5a2c22d36536b11ec14cc0f22d4874c079ca16a4e"`
[INFO] [stdout] fc30cee4d6deb790101d94c5a2c22d36536b11ec14cc0f22d4874c079ca16a4e