[INFO] updating cached repository https://github.com/cpearce/arm-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 14c2e00a8d6ab6f081714af58d773f04f6321a4b
[INFO] testing cpearce/arm-rs against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcpearce%2Farm-rs" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cpearce/arm-rs on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cpearce/arm-rs
[INFO] finished tweaking git repo https://github.com/cpearce/arm-rs
[INFO] tweaked toml for git repo https://github.com/cpearce/arm-rs written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/cpearce/arm-rs already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 62b20f9693893458ccb900502eb93d7651304dfff85f2a181c06f5c63f279af8
[INFO] running `"docker" "start" "-a" "62b20f9693893458ccb900502eb93d7651304dfff85f2a181c06f5c63f279af8"`
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]    Compiling arm v0.1.0 (/opt/rustwide/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 6.06s
[INFO] running `"docker" "inspect" "62b20f9693893458ccb900502eb93d7651304dfff85f2a181c06f5c63f279af8"`
[INFO] running `"docker" "rm" "-f" "62b20f9693893458ccb900502eb93d7651304dfff85f2a181c06f5c63f279af8"`
[INFO] [stdout] 62b20f9693893458ccb900502eb93d7651304dfff85f2a181c06f5c63f279af8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 1bf2a33f0e6bd66956363416e1b6e9814b1d802b60fc79673041071a921a5269
[INFO] running `"docker" "start" "-a" "1bf2a33f0e6bd66956363416e1b6e9814b1d802b60fc79673041071a921a5269"`
[INFO] [stderr]    Compiling arm v0.1.0 (/opt/rustwide/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 2.98s
[INFO] running `"docker" "inspect" "1bf2a33f0e6bd66956363416e1b6e9814b1d802b60fc79673041071a921a5269"`
[INFO] running `"docker" "rm" "-f" "1bf2a33f0e6bd66956363416e1b6e9814b1d802b60fc79673041071a921a5269"`
[INFO] [stdout] 1bf2a33f0e6bd66956363416e1b6e9814b1d802b60fc79673041071a921a5269
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] e840bccb93ffd366c3a13e40fe970dc5d560481ce59e14b8479d4326f2fc399b
[INFO] running `"docker" "start" "-a" "e840bccb93ffd366c3a13e40fe970dc5d560481ce59e14b8479d4326f2fc399b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arm-d1dc4ec6e57bb082
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test transaction_reader::tests::test_dedupe_sorted ... ok
[INFO] [stdout] test vec_sets::tests::test_union ... ok
[INFO] [stdout] test vec_sets::tests::test_split_out_item ... ok
[INFO] [stdout] test index::tests::test_index ... 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" "e840bccb93ffd366c3a13e40fe970dc5d560481ce59e14b8479d4326f2fc399b"`
[INFO] running `"docker" "rm" "-f" "e840bccb93ffd366c3a13e40fe970dc5d560481ce59e14b8479d4326f2fc399b"`
[INFO] [stdout] e840bccb93ffd366c3a13e40fe970dc5d560481ce59e14b8479d4326f2fc399b