[INFO] updating cached repository lampij/HashTable [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/lampij/HashTable [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/lampij/HashTable" "work/ex/beta-1.38-1/sources/1.37.0/gh/lampij/HashTable"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lampij/HashTable'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lampij/HashTable" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lampij/HashTable"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lampij/HashTable'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6dd4f350b75ac9d941cf815b203a9fc94bcdba9c [INFO] sha for GitHub repo lampij/HashTable: 6dd4f350b75ac9d941cf815b203a9fc94bcdba9c [INFO] validating manifest of lampij/HashTable 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 lampij/HashTable 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 lampij/HashTable [INFO] finished frobbing lampij/HashTable [INFO] frobbed toml for lampij/HashTable written to work/ex/beta-1.38-1/sources/1.37.0/gh/lampij/HashTable/Cargo.toml [INFO] started frobbing lampij/HashTable [INFO] finished frobbing lampij/HashTable [INFO] frobbed toml for lampij/HashTable written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lampij/HashTable/Cargo.toml [INFO] crate lampij/HashTable 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 lampij/HashTable 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lampij/HashTable:/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] 209f5b8f6b76be8164836bfc3f755d8136611ba4ba7bdcfb47b0b699cd720f40 [INFO] running `"docker" "start" "-a" "209f5b8f6b76be8164836bfc3f755d8136611ba4ba7bdcfb47b0b699cd720f40"` [INFO] [stderr] Compiling HashTable v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hash_table.rs:24:17 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hash_table.rs:26:6 [INFO] [stderr] | [INFO] [stderr] 26 | let mut key_as_byte_array = key.as_bytes(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `HashTable` [INFO] [stderr] --> src/hash_table.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | pub struct HashTable { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `add` [INFO] [stderr] --> src/hash_table.rs:8:2 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn add(&mut self, key: &String, value: &String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/hash_table.rs:14:2 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn get(&self, key: &String) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/hash_table.rs:18:2 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new() -> HashTable { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `hash_fun` [INFO] [stderr] --> src/hash_table.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: crate `HashTable` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] = help: convert the identifier to snake case: `hash_table` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `"docker" "inspect" "209f5b8f6b76be8164836bfc3f755d8136611ba4ba7bdcfb47b0b699cd720f40"` [INFO] running `"docker" "rm" "-f" "209f5b8f6b76be8164836bfc3f755d8136611ba4ba7bdcfb47b0b699cd720f40"` [INFO] [stdout] 209f5b8f6b76be8164836bfc3f755d8136611ba4ba7bdcfb47b0b699cd720f40 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lampij/HashTable:/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] 2c8d2ce6d58f13259f0fc38043d76fea3e13a2e79a86d2c8bea01a6dde194329 [INFO] running `"docker" "start" "-a" "2c8d2ce6d58f13259f0fc38043d76fea3e13a2e79a86d2c8bea01a6dde194329"` [INFO] [stderr] Compiling HashTable v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hash_table.rs:24:17 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn hash_fun(mut key: &str) -> usize { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hash_table.rs:26:6 [INFO] [stderr] | [INFO] [stderr] 26 | let mut key_as_byte_array = key.as_bytes(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: crate `HashTable` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] = help: convert the identifier to snake case: `hash_table` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `"docker" "inspect" "2c8d2ce6d58f13259f0fc38043d76fea3e13a2e79a86d2c8bea01a6dde194329"` [INFO] running `"docker" "rm" "-f" "2c8d2ce6d58f13259f0fc38043d76fea3e13a2e79a86d2c8bea01a6dde194329"` [INFO] [stdout] 2c8d2ce6d58f13259f0fc38043d76fea3e13a2e79a86d2c8bea01a6dde194329 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lampij/HashTable:/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] 2a354c07f8e88443bc4beb7fcc44a31c418f8ec655328358331aa34c8c14b1a0 [INFO] running `"docker" "start" "-a" "2a354c07f8e88443bc4beb7fcc44a31c418f8ec655328358331aa34c8c14b1a0"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/HashTable-cd0a283cf0e8e3ab [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test collision_testing ... ok [INFO] [stdout] test multi_add ... ok [INFO] [stdout] test add_to_hashtable ... ok [INFO] [stdout] test get_from_hashtable ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "2a354c07f8e88443bc4beb7fcc44a31c418f8ec655328358331aa34c8c14b1a0"` [INFO] running `"docker" "rm" "-f" "2a354c07f8e88443bc4beb7fcc44a31c418f8ec655328358331aa34c8c14b1a0"` [INFO] [stdout] 2a354c07f8e88443bc4beb7fcc44a31c418f8ec655328358331aa34c8c14b1a0