[INFO] cloning repository https://github.com/lampij/HashTable [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lampij/HashTable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flampij%2FHashTable", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flampij%2FHashTable'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6dd4f350b75ac9d941cf815b203a9fc94bcdba9c [INFO] testing lampij/HashTable against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flampij%2FHashTable" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lampij/HashTable on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lampij/HashTable [INFO] finished tweaking git repo https://github.com/lampij/HashTable [INFO] tweaked toml for git repo https://github.com/lampij/HashTable written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/lampij/HashTable already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", 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] bec051471921b75f4bbc638b882bceb2993c78be67284f94f53f30f84faf6d8c [INFO] running `Command { std: "docker" "start" "-a" "bec051471921b75f4bbc638b882bceb2993c78be67284f94f53f30f84faf6d8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bec051471921b75f4bbc638b882bceb2993c78be67284f94f53f30f84faf6d8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bec051471921b75f4bbc638b882bceb2993c78be67284f94f53f30f84faf6d8c", kill_on_drop: false }` [INFO] [stdout] bec051471921b75f4bbc638b882bceb2993c78be67284f94f53f30f84faf6d8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", 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] 882a8a5c8625bdd7bf26e6b292ffef2319a4869bdc69d89d03bda27e6173210d [INFO] running `Command { std: "docker" "start" "-a" "882a8a5c8625bdd7bf26e6b292ffef2319a4869bdc69d89d03bda27e6173210d", kill_on_drop: false }` [INFO] [stderr] Compiling HashTable v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hash_table.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn hash_fun(mut key: &str) -> usize { [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: variable does not need to be mutable [INFO] [stdout] --> src/hash_table.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | let mut key_as_byte_array = key.as_bytes(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `internal_collection` [INFO] [stdout] --> src/hash_table.rs:4:2 [INFO] [stdout] | [INFO] [stdout] 4 | internal_collection: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `HashTable` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/hash_table.rs:1:10 [INFO] [stdout] | [INFO] [stdout] 1 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/hash_table.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn add(&mut self, key: &String, value: &String) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/hash_table.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn get(&self, key: &String) -> String { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/hash_table.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new() -> HashTable { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `hash_fun` [INFO] [stdout] --> src/hash_table.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn hash_fun(mut key: &str) -> usize { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `HashTable` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `hash_table` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "882a8a5c8625bdd7bf26e6b292ffef2319a4869bdc69d89d03bda27e6173210d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "882a8a5c8625bdd7bf26e6b292ffef2319a4869bdc69d89d03bda27e6173210d", kill_on_drop: false }` [INFO] [stdout] 882a8a5c8625bdd7bf26e6b292ffef2319a4869bdc69d89d03bda27e6173210d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", 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] 25437e3488ea30029a3d979c502d819c5a0f78d5e4efab782dae298c4f87184b [INFO] running `Command { std: "docker" "start" "-a" "25437e3488ea30029a3d979c502d819c5a0f78d5e4efab782dae298c4f87184b", kill_on_drop: false }` [INFO] [stderr] Compiling HashTable v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hash_table.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn hash_fun(mut key: &str) -> usize { [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: variable does not need to be mutable [INFO] [stdout] --> src/hash_table.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | let mut key_as_byte_array = key.as_bytes(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate `HashTable` should have a snake case name [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] = help: convert the identifier to snake case: `hash_table` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `Command { std: "docker" "inspect" "25437e3488ea30029a3d979c502d819c5a0f78d5e4efab782dae298c4f87184b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25437e3488ea30029a3d979c502d819c5a0f78d5e4efab782dae298c4f87184b", kill_on_drop: false }` [INFO] [stdout] 25437e3488ea30029a3d979c502d819c5a0f78d5e4efab782dae298c4f87184b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "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] e4d6081f4be2cf2be9cc08f0ddb54831f3c6ee3fc3309137ce722c92b6a7f65e [INFO] running `Command { std: "docker" "start" "-a" "e4d6081f4be2cf2be9cc08f0ddb54831f3c6ee3fc3309137ce722c92b6a7f65e", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 4 tests [INFO] [stderr] --> src/hash_table.rs:24:17 [INFO] [stdout] test collision_testing ... ok [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] warning: `HashTable` (bin "HashTable" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/HashTable-6f19c799f8fae366) [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; finished in 0.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e4d6081f4be2cf2be9cc08f0ddb54831f3c6ee3fc3309137ce722c92b6a7f65e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4d6081f4be2cf2be9cc08f0ddb54831f3c6ee3fc3309137ce722c92b6a7f65e", kill_on_drop: false }` [INFO] [stdout] e4d6081f4be2cf2be9cc08f0ddb54831f3c6ee3fc3309137ce722c92b6a7f65e