[INFO] updating cached repository https://github.com/cengizIO/anagram-finder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f09d843ccfeb7e3d1b2f0ea58d689c52e34e9743
[INFO] testing cengizIO/anagram-finder against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FcengizIO%2Fanagram-finder" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cengizIO/anagram-finder on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cengizIO/anagram-finder
[INFO] finished tweaking git repo https://github.com/cengizIO/anagram-finder
[INFO] tweaked toml for git repo https://github.com/cengizIO/anagram-finder written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/cengizIO/anagram-finder already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e2d29790b329a1d6a556b946cd33090704c2e322356865bf89df339764f2360
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e2d29790b329a1d6a556b946cd33090704c2e322356865bf89df339764f2360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2d29790b329a1d6a556b946cd33090704c2e322356865bf89df339764f2360", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2d29790b329a1d6a556b946cd33090704c2e322356865bf89df339764f2360", kill_on_drop: false }`
[INFO] [stdout] 6e2d29790b329a1d6a556b946cd33090704c2e322356865bf89df339764f2360
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67f7d9426342a425e35fce98b563bc95d543ebb702a2175c087160d0dc1aed0d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67f7d9426342a425e35fce98b563bc95d543ebb702a2175c087160d0dc1aed0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling anagram v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/anagram.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "67f7d9426342a425e35fce98b563bc95d543ebb702a2175c087160d0dc1aed0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f7d9426342a425e35fce98b563bc95d543ebb702a2175c087160d0dc1aed0d", kill_on_drop: false }`
[INFO] [stdout] 67f7d9426342a425e35fce98b563bc95d543ebb702a2175c087160d0dc1aed0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c81d3bba1bbc4fbd7ad6a0d3289cdf117f86dce9e3518684df905485ff2d8756
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c81d3bba1bbc4fbd7ad6a0d3289cdf117f86dce9e3518684df905485ff2d8756", kill_on_drop: false }`
[INFO] [stderr]    Compiling anagram v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/anagram.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/anagram.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[INFO] [stdout]    |             ----^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "c81d3bba1bbc4fbd7ad6a0d3289cdf117f86dce9e3518684df905485ff2d8756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81d3bba1bbc4fbd7ad6a0d3289cdf117f86dce9e3518684df905485ff2d8756", kill_on_drop: false }`
[INFO] [stdout] c81d3bba1bbc4fbd7ad6a0d3289cdf117f86dce9e3518684df905485ff2d8756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bff03b62798d99a5e13e9ef84421c405b5bb403a6e769d49c2e8fa94c4e865ca
[INFO] running `Command { std: "docker" "start" "-a" "bff03b62798d99a5e13e9ef84421c405b5bb403a6e769d49c2e8fa94c4e865ca", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/anagram.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/anagram.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let mut words_list = anagrams.entry(word_key).or_insert(Vec::new());
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/anagram-9a9d99c67c4adfcc
[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] [stderr]      Running /opt/rustwide/target/debug/deps/anagram-67290fb2ad3488ec
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::test_case_insensitive_anagrams ... ignored
[INFO] [stdout] test tests::test_detect_anagram ... ignored
[INFO] [stdout] test tests::test_does_not_confuse_different_duplicates ... ignored
[INFO] [stdout] test tests::test_does_not_detect_a_differently_cased_unicode_word_as_its_own_anagram ... ignored
[INFO] [stdout] test tests::test_does_not_detect_a_differently_cased_word_as_its_own_anagram ... ignored
[INFO] [stdout] test tests::test_does_not_detect_a_word_as_its_own_anagram ... ignored
[INFO] [stdout] test tests::test_eliminate_anagram_subsets ... ignored
[INFO] [stdout] test tests::test_misleading_unicode_anagrams ... ignored
[INFO] [stdout] test tests::test_multiple_anagrams ... ignored
[INFO] [stdout] test tests::test_unicode_anagrams ... ignored
[INFO] [stderr]    Doc-tests anagram
[INFO] [stdout] test tests::test_detect_simple_anagram ... ok
[INFO] [stdout] test tests::test_no_matches ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 10 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 `Command { std: "docker" "inspect" "bff03b62798d99a5e13e9ef84421c405b5bb403a6e769d49c2e8fa94c4e865ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff03b62798d99a5e13e9ef84421c405b5bb403a6e769d49c2e8fa94c4e865ca", kill_on_drop: false }`
[INFO] [stdout] bff03b62798d99a5e13e9ef84421c405b5bb403a6e769d49c2e8fa94c4e865ca