[INFO] updating cached repository iolivia/rust-hash-table
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iolivia/rust-hash-table
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iolivia/rust-hash-table" "work/ex/beta-1.38-1/sources/1.37.0/gh/iolivia/rust-hash-table"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/iolivia/rust-hash-table'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iolivia/rust-hash-table" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iolivia/rust-hash-table"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iolivia/rust-hash-table'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70bcbf4538c699383f1375ef1c596d33258fe900
[INFO] sha for GitHub repo iolivia/rust-hash-table: 70bcbf4538c699383f1375ef1c596d33258fe900
[INFO] validating manifest of iolivia/rust-hash-table 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 iolivia/rust-hash-table 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 iolivia/rust-hash-table
[INFO] finished frobbing iolivia/rust-hash-table
[INFO] frobbed toml for iolivia/rust-hash-table written to work/ex/beta-1.38-1/sources/1.37.0/gh/iolivia/rust-hash-table/Cargo.toml
[INFO] started frobbing iolivia/rust-hash-table
[INFO] finished frobbing iolivia/rust-hash-table
[INFO] frobbed toml for iolivia/rust-hash-table written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iolivia/rust-hash-table/Cargo.toml
[INFO] crate iolivia/rust-hash-table 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 iolivia/rust-hash-table against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iolivia/rust-hash-table:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f6da685a9e8493bc3fb5bf5c2220cc53b3491372da7edcc4f310d3a52496c9c6
[INFO] running `"docker" "start" "-a" "f6da685a9e8493bc3fb5bf5c2220cc53b3491372da7edcc4f310d3a52496c9c6"`
[INFO] [stderr]    Compiling rust-hash-table v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn new(capacity: usize) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "f6da685a9e8493bc3fb5bf5c2220cc53b3491372da7edcc4f310d3a52496c9c6"`
[INFO] running `"docker" "rm" "-f" "f6da685a9e8493bc3fb5bf5c2220cc53b3491372da7edcc4f310d3a52496c9c6"`
[INFO] [stdout] f6da685a9e8493bc3fb5bf5c2220cc53b3491372da7edcc4f310d3a52496c9c6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iolivia/rust-hash-table:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ff9c8e4a19cd1e78bb5ea4da4bd2ff27f165b9858b850d82c7781a904fa15d5c
[INFO] running `"docker" "start" "-a" "ff9c8e4a19cd1e78bb5ea4da4bd2ff27f165b9858b850d82c7781a904fa15d5c"`
[INFO] [stderr]    Compiling rust-hash-table v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "ff9c8e4a19cd1e78bb5ea4da4bd2ff27f165b9858b850d82c7781a904fa15d5c"`
[INFO] running `"docker" "rm" "-f" "ff9c8e4a19cd1e78bb5ea4da4bd2ff27f165b9858b850d82c7781a904fa15d5c"`
[INFO] [stdout] ff9c8e4a19cd1e78bb5ea4da4bd2ff27f165b9858b850d82c7781a904fa15d5c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/iolivia/rust-hash-table:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 0d62510dfea7719471d01c3f0f7146b1c8bdd10bffd8a214168f35ddd0b0b7c5
[INFO] running `"docker" "start" "-a" "0d62510dfea7719471d01c3f0f7146b1c8bdd10bffd8a214168f35ddd0b0b7c5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_hash_table-594ee1b8fe27c907
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::get_when_empty ... ok
[INFO] [stdout] test tests::get_not_found ... ok
[INFO] [stdout] test tests::insert_at_capacity ... ok
[INFO] [stdout] test tests::insert_at_a_lot_more_capacity ... ok
[INFO] [stdout] test tests::insert_decrements_size ... ok
[INFO] [stdout] test tests::insert_at_double_capacity ... ok
[INFO] [stdout] test tests::insert_get ... ok
[INFO] [stdout] test tests::insert_empty ... ok
[INFO] [stdout] test tests::insert_same_key_fails ... ok
[INFO] [stdout] test tests::insert_remove_get ... ok
[INFO] [stdout] test tests::insert_key_with_symbols ... ok
[INFO] [stdout] test tests::insert_get_different_key_reference ... ok
[INFO] [stdout] test tests::insert_multiple ... ok
[INFO] [stdout] test tests::remove_when_empty ... ok
[INFO] [stdout] test tests::remove_last_key_at_capacity ... ok
[INFO] [stdout] test tests::remove_first_key_at_capacity_then_insert_it_again ... ok
[INFO] [stdout] test tests::insert_spaces ... ok
[INFO] [stdout] test tests::remove_with_collisions ... ok
[INFO] [stdout] test tests::size_after_multiple_inserts ... ok
[INFO] [stdout] test tests::size_after_one_insert ... ok
[INFO] [stdout] test tests::size_after_one_insert_and_one_remove ... ok
[INFO] [stdout] test tests::remove_first_key_at_capacity ... ok
[INFO] [stdout] test tests::size_over_capacity ... ok
[INFO] [stdout] test tests::size_at_capacity ... ok
[INFO] [stdout] test tests::size_when_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0d62510dfea7719471d01c3f0f7146b1c8bdd10bffd8a214168f35ddd0b0b7c5"`
[INFO] running `"docker" "rm" "-f" "0d62510dfea7719471d01c3f0f7146b1c8bdd10bffd8a214168f35ddd0b0b7c5"`
[INFO] [stdout] 0d62510dfea7719471d01c3f0f7146b1c8bdd10bffd8a214168f35ddd0b0b7c5