[INFO] updating cached repository cpearce/arm-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cpearce/arm-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cpearce/arm-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/cpearce/arm-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cpearce/arm-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cpearce/arm-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cpearce/arm-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cpearce/arm-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14c2e00a8d6ab6f081714af58d773f04f6321a4b
[INFO] sha for GitHub repo cpearce/arm-rs: 14c2e00a8d6ab6f081714af58d773f04f6321a4b
[INFO] validating manifest of cpearce/arm-rs 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 cpearce/arm-rs 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 cpearce/arm-rs
[INFO] finished frobbing cpearce/arm-rs
[INFO] frobbed toml for cpearce/arm-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/cpearce/arm-rs/Cargo.toml
[INFO] started frobbing cpearce/arm-rs
[INFO] finished frobbing cpearce/arm-rs
[INFO] frobbed toml for cpearce/arm-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cpearce/arm-rs/Cargo.toml
[INFO] crate cpearce/arm-rs already has a lockfile, it will not be regenerated
[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 cpearce/arm-rs 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cpearce/arm-rs:/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] 0e72d5643a409e301b3a8e5e3dd6cf707e038e376edf5451965754e03e212cd7
[INFO] running `"docker" "start" "-a" "0e72d5643a409e301b3a8e5e3dd6cf707e038e376edf5451965754e03e212cd7"`
[INFO] [stderr]    Compiling arm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:45:90
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn count_item_frequencies(reader: TransactionReader) -> Result<(ItemCounter, usize), Box<Error>> {
[INFO] [stderr]    |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:61:55
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn mine_fp_growth(args: &Arguments) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `"docker" "inspect" "0e72d5643a409e301b3a8e5e3dd6cf707e038e376edf5451965754e03e212cd7"`
[INFO] running `"docker" "rm" "-f" "0e72d5643a409e301b3a8e5e3dd6cf707e038e376edf5451965754e03e212cd7"`
[INFO] [stdout] 0e72d5643a409e301b3a8e5e3dd6cf707e038e376edf5451965754e03e212cd7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cpearce/arm-rs:/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] de9709a28293fe6a293870136df7f62b744d08c1cbc0ed0fb52228cff9ea8719
[INFO] running `"docker" "start" "-a" "de9709a28293fe6a293870136df7f62b744d08c1cbc0ed0fb52228cff9ea8719"`
[INFO] [stderr]    Compiling arm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:45:90
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn count_item_frequencies(reader: TransactionReader) -> Result<(ItemCounter, usize), Box<Error>> {
[INFO] [stderr]    |                                                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:61:55
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn mine_fp_growth(args: &Arguments) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:185:21
[INFO] [stderr]     |
[INFO] [stderr] 185 | ) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.23s
[INFO] running `"docker" "inspect" "de9709a28293fe6a293870136df7f62b744d08c1cbc0ed0fb52228cff9ea8719"`
[INFO] running `"docker" "rm" "-f" "de9709a28293fe6a293870136df7f62b744d08c1cbc0ed0fb52228cff9ea8719"`
[INFO] [stdout] de9709a28293fe6a293870136df7f62b744d08c1cbc0ed0fb52228cff9ea8719
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cpearce/arm-rs:/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] cc39990c80fcc6050d02c15695715809ba8326f74434384e418469653d99ac6d
[INFO] running `"docker" "start" "-a" "cc39990c80fcc6050d02c15695715809ba8326f74434384e418469653d99ac6d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arm-8a3d6e32bb51341e
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test transaction_reader::tests::test_dedupe_sorted ... ok
[INFO] [stdout] test index::tests::test_index ... ok
[INFO] [stdout] test vec_sets::tests::test_union ... ok
[INFO] [stdout] test vec_sets::tests::test_split_out_item ... ok
[INFO] [stdout] test generate_rules::tests::test_kosarak ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cc39990c80fcc6050d02c15695715809ba8326f74434384e418469653d99ac6d"`
[INFO] running `"docker" "rm" "-f" "cc39990c80fcc6050d02c15695715809ba8326f74434384e418469653d99ac6d"`
[INFO] [stdout] cc39990c80fcc6050d02c15695715809ba8326f74434384e418469653d99ac6d